/*
* gtkwin.c: the main code that runs a PuTTY terminal emulator and
* backend in a GTK window.
*/
#define _GNU_SOURCE
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <stdio.h>
#include <time.h>
#include <errno.h>
#include <locale.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <gtk/gtk.h>
#if !GTK_CHECK_VERSION(3,0,0)
#include <gdk/gdkkeysyms.h>
#endif
#if GTK_CHECK_VERSION(2,0,0)
#include <gtk/gtkimmodule.h>
#endif
#define PUTTY_DO_GLOBALS /* actually _define_ globals */
#define MAY_REFER_TO_GTK_IN_HEADERS
#include "putty.h"
#include "terminal.h"
#include "gtkcompat.h"
#include "gtkfont.h"
#include "gtkmisc.h"
#ifndef NOT_X_WINDOWS
#include <gdk/gdkx.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#endif
#include "x11misc.h"
/* Colours come in two flavours: configurable, and xterm-extended. */
#define NEXTCOLOURS 240 /* 216 colour-cube plus 24 shades of grey */
#define NALLCOLOURS (NCFGCOLOURS + NEXTCOLOURS)
GdkAtom compound_text_atom, utf8_string_atom;
struct clipboard_data_instance;
struct gui_data {
GtkWidget *window, *area, *sbar;
gboolean sbar_visible;
GtkBox *hbox;
GtkAdjustment *sbar_adjust;
GtkWidget *menu, *specialsmenu, *specialsitem1, *specialsitem2,
*restartitem;
GtkWidget *sessionsmenu;
#ifndef NO_BACKING_PIXMAPS
/*
* Server-side pixmap which we use to cache the terminal window's
* contents. When we draw text in the terminal, we draw it to this
* pixmap first, and then blit from there to the actual window;
* this way, X expose events can be handled with an absolute
* minimum of network traffic, by just sending a command to
* re-blit an appropriate rectangle from this pixmap.
*/
GdkPixmap *pixmap;
#endif
#ifdef DRAW_TEXT_CAIRO
/*
* If we're drawing using Cairo, we cache the same image on the
* client side in a Cairo surface.
*
* In GTK2+Cairo, this happens _as well_ as having the server-side
* pixmap cache above; in GTK3+Cairo, server-side pixmaps are
* deprecated, so we _just_ have this client-side cache. In the
* latter case that means we have to transmit a big wodge of
* bitmap data over the X connection on every expose event; but
* GTK3 apparently deliberately provides no way to avoid that
* inefficiency, and at least this way we don't _also_ have to
* redo any font rendering just because the window was temporarily
* covered.
*/
cairo_surface_t *surface;
#endif
#if GTK_CHECK_VERSION(2,0,0)
GtkIMContext *imc;
#endif
unifont *fonts[4]; /* normal, bold, wide, widebold */
int xpos, ypos, gotpos, gravity;
GdkCursor *rawcursor, *textcursor, *blankcursor, *waitcursor, *currcursor;
GdkColor cols[NALLCOLOURS];
#if !GTK_CHECK_VERSION(3,0,0)
GdkColormap *colmap;
#endif
int direct_to_font;
wchar_t *pastein_data;
int pastein_data_len;
#ifdef JUST_USE_GTK_CLIPBOARD_UTF8
GtkClipboard *clipboard;
struct clipboard_data_instance *current_cdi;
#else
char *pasteout_data, *pasteout_data_ctext, *pasteout_data_utf8;
int pasteout_data_len, pasteout_data_ctext_len, pasteout_data_utf8_len;
#endif
int font_width, font_height;
int width, height;
int ignore_sbar;
int mouseptr_visible;
int busy_status;
int alt_keycode;
int alt_digits;
char *wintitle;
char *icontitle;
int master_fd, master_func_id;
void *ldisc;
Backend *back;
void *backhandle;
Terminal *term;
void *logctx;
int exited;
struct unicode_data ucsdata;
Conf *conf;
void *eventlogstuff;
guint32 input_event_time; /* Timestamp of the most recent input event. */
int reconfiguring;
#if GTK_CHECK_VERSION(3,4,0)
gdouble cumulative_scroll;
#endif
/* Cached things out of conf that we refer to a lot */
int bold_style;
int window_border;
int cursor_type;
int drawtype;
int meta_mod_mask;
};
static void cache_conf_values(struct gui_data *inst)
{
inst->bold_style = conf_get_int(inst->conf, CONF_bold_style);
inst->window_border = conf_get_int(inst->conf, CONF_window_border);
inst->cursor_type = conf_get_int(inst->conf, CONF_cursor_type);
#ifdef OSX_META_KEY_CONFIG
inst->meta_mod_mask = 0;
if (conf_get_int(inst->conf, CONF_osx_option_meta))
inst->meta_mod_mask |= GDK_MOD1_MASK;
if (conf_get_int(inst->conf, CONF_osx_command_meta))
inst->meta_mod_mask |= GDK_MOD2_MASK;
#else
inst->meta_mod_mask = GDK_MOD1_MASK;
#endif
}
struct draw_ctx {
struct gui_data *inst;
unifont_drawctx uctx;
};
static int send_raw_mouse;
static void start_backend(struct gui_data *inst);
static void exit_callback(void *vinst);
void connection_fatal(void *frontend, const char *p, ...)
{
struct gui_data *inst = (struct gui_data *)frontend;
va_list ap;
char *msg;
va_start(ap, p);
msg = dupvprintf(p, ap);
va_end(ap);
fatal_message_box(inst->window, msg);
sfree(msg);
queue_toplevel_callback(exit_callback, inst);
}
/*
* Default settings that are specific to pterm.
*/
FontSpec *platform_default_fontspec(const char *name)
{
if (!strcmp(name, "Font"))
return fontspec_new(DEFAULT_GTK_FONT);
else
return fontspec_new("");
}
Filename *platform_default_filename(const char *name)
{
if (!strcmp(name, "LogFileName"))
return filename_from_str("putty.log");
else
return filename_from_str("");
}
char *platform_default_s(const char *name)
{
if (!strcmp(name, "SerialLine"))
return dupstr("/dev/ttyS0");
return NULL;
}
int platform_default_i(const char *name, int def)
{
if (!strcmp(name, "CloseOnExit"))
return 2; /* maps to FORCE_ON after painful rearrangement :-( */
if (!strcmp(name, "WinNameAlways"))
return 0; /* X natively supports icon titles, so use 'em by default */
return def;
}
/* Dummy routine, only required in plink. */
void frontend_echoedit_update(void *frontend, int echo, int edit)
{
}
char *get_ttymode(void *frontend, const char *mode)
{
struct gui_data *inst = (struct gui_data *)frontend;
return term_get_ttymode(inst->term, mode);
}
int from_backend(void *frontend, int is_stderr, const char *data, int len)
{
struct gui_data *inst = (struct gui_data *)frontend;
return term_data(inst->term, is_stderr, data, len);
}
int from_backend_untrusted(void *frontend, const char *data, int len)
{
struct gui_data *inst = (struct gui_data *)frontend;
return term_data_untrusted(inst->term, data, len);
}
int from_backend_eof(void *frontend)
{
return TRUE; /* do respond to incoming EOF with outgoing */
}
int get_userpass_input(prompts_t *p, const unsigned char *in, int inlen)
{
struct gui_data *inst = (struct gui_data *)p->frontend;
int ret;
ret = cmdline_get_passwd_input(p, in, inlen);
if (ret == -1)
ret = term_get_userpass_input(inst->term, p, in, inlen);
return ret;
}
void logevent(void *frontend, const char *string)
{
struct gui_data *inst = (struct gui_data *)frontend;
log_eventlog(inst->logctx, string);
logevent_dlg(inst->eventlogstuff, string);
}
int font_dimension(void *frontend, int which)/* 0 for width, 1 for height */
{
struct gui_data *inst = (struct gui_data *)frontend;
if (which)
return inst->font_height;
else
return inst->font_width;
}
/*
* Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
* into a cooked one (SELECT, EXTEND, PASTE).
*
* In Unix, this is not configurable; the X button arrangement is
* rock-solid across all applications, everyone has a three-button
* mouse or a means of faking it, and there is no need to switch
* buttons around at all.
*/
static Mouse_Button translate_button(Mouse_Button button)
{
/* struct gui_data *inst = (struct gui_data *)frontend; */
if (button == MBT_LEFT)
return MBT_SELECT;
if (button == MBT_MIDDLE)
return MBT_PASTE;
if (button == MBT_RIGHT)
return MBT_EXTEND;
return 0; /* shouldn't happen */
}
/*
* Return the top-level GtkWindow associated with a particular
* front end instance.
*/
void *get_window(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
return inst->window;
}
/*
* Minimise or restore the window in response to a server-side
* request.
*/
void set_iconic(void *frontend, int iconic)
{
/*
* GTK 1.2 doesn't know how to do this.
*/
#if GTK_CHECK_VERSION(2,0,0)
struct gui_data *inst = (struct gui_data *)frontend;
if (iconic)
gtk_window_iconify(GTK_WINDOW(inst->window));
else
gtk_window_deiconify(GTK_WINDOW(inst->window));
#endif
}
/*
* Move the window in response to a server-side request.
*/
void move_window(void *frontend, int x, int y)
{
struct gui_data *inst = (struct gui_data *)frontend;
/*
* I assume that when the GTK version of this call is available
* we should use it. Not sure how it differs from the GDK one,
* though.
*/
#if GTK_CHECK_VERSION(2,0,0)
/* in case we reset this at startup due to a geometry string */
gtk_window_set_gravity(GTK_WINDOW(inst->window), GDK_GRAVITY_NORTH_EAST);
gtk_window_move(GTK_WINDOW(inst->window), x, y);
#else
gdk_window_move(gtk_widget_get_window(inst->window), x, y);
#endif
}
/*
* Move the window to the top or bottom of the z-order in response
* to a server-side request.
*/
void set_zorder(void *frontend, int top)
{
struct gui_data *inst = (struct gui_data *)frontend;
if (top)
gdk_window_raise(gtk_widget_get_window(inst->window));
else
gdk_window_lower(gtk_widget_get_window(inst->window));
}
/*
* Refresh the window in response to a server-side request.
*/
void refresh_window(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
term_invalidate(inst->term);
}
/*
* Maximise or restore the window in response to a server-side
* request.
*/
void set_zoomed(void *frontend, int zoomed)
{
/*
* GTK 1.2 doesn't know how to do this.
*/
#if GTK_CHECK_VERSION(2,0,0)
struct gui_data *inst = (struct gui_data *)frontend;
if (zoomed)
gtk_window_maximize(GTK_WINDOW(inst->window));
else
gtk_window_unmaximize(GTK_WINDOW(inst->window));
#endif
}
/*
* Report whether the window is iconic, for terminal reports.
*/
int is_iconic(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
return !gdk_window_is_viewable(gtk_widget_get_window(inst->window));
}
/*
* Report the window's position, for terminal reports.
*/
void get_window_pos(void *frontend, int *x, int *y)
{
struct gui_data *inst = (struct gui_data *)frontend;
/*
* I assume that when the GTK version of this call is available
* we should use it. Not sure how it differs from the GDK one,
* though.
*/
#if GTK_CHECK_VERSION(2,0,0)
gtk_window_get_position(GTK_WINDOW(inst->window), x, y);
#else
gdk_window_get_position(gtk_widget_get_window(inst->window), x, y);
#endif
}
/*
* Report the window's pixel size, for terminal reports.
*/
void get_window_pixels(void *frontend, int *x, int *y)
{
struct gui_data *inst = (struct gui_data *)frontend;
/*
* I assume that when the GTK version of this call is available
* we should use it. Not sure how it differs from the GDK one,
* though.
*/
#if GTK_CHECK_VERSION(2,0,0)
gtk_window_get_size(GTK_WINDOW(inst->window), x, y);
#else
gdk_window_get_size(gtk_widget_get_window(inst->window), x, y);
#endif
}
/*
* Return the window or icon title.
*/
char *get_window_title(void *frontend, int icon)
{
struct gui_data *inst = (struct gui_data *)frontend;
return icon ? inst->icontitle : inst->wintitle;
}
gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
if (!inst->exited && conf_get_int(inst->conf, CONF_warn_on_close)) {
if (!reallyclose(inst))
return TRUE;
}
return FALSE;
}
static void update_mouseptr(struct gui_data *inst)
{
switch (inst->busy_status) {
case BUSY_NOT:
if (!inst->mouseptr_visible) {
gdk_window_set_cursor(gtk_widget_get_window(inst->area),
inst->blankcursor);
} else if (send_raw_mouse) {
gdk_window_set_cursor(gtk_widget_get_window(inst->area),
inst->rawcursor);
} else {
gdk_window_set_cursor(gtk_widget_get_window(inst->area),
inst->textcursor);
}
break;
case BUSY_WAITING: /* XXX can we do better? */
case BUSY_CPU:
/* We always display these cursors. */
gdk_window_set_cursor(gtk_widget_get_window(inst->area),
inst->waitcursor);
break;
default:
assert(0);
}
}
static void show_mouseptr(struct gui_data *inst, int show)
{
if (!conf_get_int(inst->conf, CONF_hide_mouseptr))
show = 1;
inst->mouseptr_visible = show;
update_mouseptr(inst);
}
static void draw_backing_rect(struct gui_data *inst);
gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
int w, h, need_size = 0;
/*
* See if the terminal size has changed, in which case we must
* let the terminal know.
*/
w = (event->width - 2*inst->window_border) / inst->font_width;
h = (event->height - 2*inst->window_border) / inst->font_height;
if (w != inst->width || h != inst->height) {
inst->width = w;
inst->height = h;
conf_set_int(inst->conf, CONF_width, inst->width);
conf_set_int(inst->conf, CONF_height, inst->height);
need_size = 1;
}
{
int backing_w = w * inst->font_width + 2*inst->window_border;
int backing_h = h * inst->font_height + 2*inst->window_border;
#ifndef NO_BACKING_PIXMAPS
if (inst->pixmap) {
gdk_pixmap_unref(inst->pixmap);
inst->pixmap = NULL;
}
inst->pixmap = gdk_pixmap_new(gtk_widget_get_window(widget),
backing_w, backing_h, -1);
#endif
#ifdef DRAW_TEXT_CAIRO
if (inst->surface) {
cairo_surface_destroy(inst->surface);
inst->surface = NULL;
}
inst->surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
backing_w, backing_h);
#endif
}
draw_backing_rect(inst);
if (need_size && inst->term) {
term_size(inst->term, h, w, conf_get_int(inst->conf, CONF_savelines));
}
if (inst->term)
term_invalidate(inst->term);
#if GTK_CHECK_VERSION(2,0,0)
gtk_im_context_set_client_window(inst->imc, gtk_widget_get_window(widget));
#endif
return TRUE;
}
#ifdef DRAW_TEXT_CAIRO
static void cairo_setup_dctx(struct draw_ctx *dctx)
{
cairo_get_matrix(dctx->uctx.u.cairo.cr,
&dctx->uctx.u.cairo.origmatrix);
cairo_set_line_width(dctx->uctx.u.cairo.cr, 1.0);
cairo_set_line_cap(dctx->uctx.u.cairo.cr, CAIRO_LINE_CAP_SQUARE);
cairo_set_line_join(dctx->uctx.u.cairo.cr, CAIRO_LINE_JOIN_MITER);
/* This antialiasing setting appears to be ignored for Pango
* font rendering but honoured for stroking and filling paths;
* I don't quite understand the logic of that, but I won't
* complain since it's exactly what I happen to want */
cairo_set_antialias(dctx->uctx.u.cairo.cr, CAIRO_ANTIALIAS_NONE);
}
#endif
#if GTK_CHECK_VERSION(3,0,0)
static gint draw_area(GtkWidget *widget, cairo_t *cr, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
/*
* GTK3 window redraw: we always expect Cairo to be enabled, so
* that inst->surface exists, and pixmaps to be disabled, so that
* inst->pixmap does not exist. Hence, we just blit from
* inst->surface to the window.
*/
if (inst->surface) {
GdkRectangle dirtyrect;
gdk_cairo_get_clip_rectangle(cr, &dirtyrect);
cairo_set_source_surface(cr, inst->surface, 0, 0);
cairo_rectangle(cr, dirtyrect.x, dirtyrect.y,
dirtyrect.width, dirtyrect.height);
cairo_fill(cr);
}
return TRUE;
}
#else
gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
#ifndef NO_BACKING_PIXMAPS
/*
* Draw to the exposed part of the window from the server-side
* backing pixmap.
*/
if (inst->pixmap) {
gdk_draw_pixmap(gtk_widget_get_window(widget),
(gtk_widget_get_style(widget)->fg_gc
[gtk_widget_get_state(widget)]),
inst->pixmap,
event->area.x, event->area.y,
event->area.x, event->area.y,
event->area.width, event->area.height);
}
#else
/*
* Failing that, draw from the client-side Cairo surface. (We
* should never be compiled in a context where we have _neither_
* inst->surface nor inst->pixmap.)
*/
if (inst->surface) {
cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(widget));
cairo_set_source_surface(cr, inst->surface, 0, 0);
cairo_rectangle(cr, event->area.x, event->area.y,
event->area.width, event->area.height);
cairo_fill(cr);
cairo_destroy(cr);
}
#endif
return TRUE;
}
#endif
#define KEY_PRESSED(k) \
(inst->keystate[(k) / 32] & (1 << ((k) % 32)))
#ifdef KEY_EVENT_DIAGNOSTICS
char *dup_keyval_name(guint keyval)
{
const char *name = gdk_keyval_name(keyval);
if (name)
return dupstr(name);
else
return dupprintf("UNKNOWN[%u]", (unsigned)keyval);
}
#endif
gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
char output[256];
wchar_t ucsoutput[2];
int ucsval, start, end, special, output_charset, use_ucsoutput;
int nethack_mode, app_keypad_mode;
/* Remember the timestamp. */
inst->input_event_time = event->time;
/* By default, nothing is generated. */
end = start = 0;
special = use_ucsoutput = FALSE;
output_charset = CS_ISO8859_1;
#ifdef KEY_EVENT_DIAGNOSTICS
{
char *type_string, *state_string, *keyval_string, *string_string;
type_string = (event->type == GDK_KEY_PRESS ? dupstr("PRESS") :
event->type == GDK_KEY_RELEASE ? dupstr("RELEASE") :
dupprintf("UNKNOWN[%d]", (int)event->type));
{
static const struct {
int mod_bit;
const char *name;
} mod_bits[] = {
{GDK_SHIFT_MASK, "SHIFT"},
{GDK_LOCK_MASK, "LOCK"},
{GDK_CONTROL_MASK, "CONTROL"},
{GDK_MOD1_MASK, "MOD1"},
{GDK_MOD2_MASK, "MOD2"},
{GDK_MOD3_MASK, "MOD3"},
{GDK_MOD4_MASK, "MOD4"},
{GDK_MOD5_MASK, "MOD5"},
{GDK_SUPER_MASK, "SUPER"},
{GDK_HYPER_MASK, "HYPER"},
{GDK_META_MASK, "META"},
};
int i;
int val = event->state;
state_string = dupstr("");
for (i = 0; i < lenof(mod_bits); i++) {
if (val & mod_bits[i].mod_bit) {
char *old = state_string;
state_string = dupcat(state_string,
state_string[0] ? "|" : "",
mod_bits[i].name,
(char *)NULL);
sfree(old);
val &= ~mod_bits[i].mod_bit;
}
}
if (val || !state_string[0]) {
char *old = state_string;
state_string = dupprintf("%s%s%d", state_string,
state_string[0] ? "|" : "", val);
sfree(old);
}
}
keyval_string = dup_keyval_name(event->keyval);
string_string = dupstr("");
{
int i;
for (i = 0; event->string[i]; i++) {
char *old = string_string;
string_string = dupprintf("%s%s%02x", string_string,
string_string[0] ? " " : "",
(unsigned)event->string[i] & 0xFF);
sfree(old);
}
}
debug(("key_event: type=%s keyval=%s state=%s "
"hardware_keycode=%d is_modifier=%s string=[%s]\n",
type_string, keyval_string, state_string,
(int)event->hardware_keycode,
event->is_modifier ? "TRUE" : "FALSE",
string_string));
sfree(type_string);
sfree(state_string);
sfree(keyval_string);
sfree(string_string);
}
#endif /* KEY_EVENT_DIAGNOSTICS */
/*
* If Alt is being released after typing an Alt+numberpad
* sequence, we should generate the code that was typed.
*
* Note that we only do this if more than one key was actually
* pressed - I don't think Alt+NumPad4 should be ^D or that
* Alt+NumPad3 should be ^C, for example. There's no serious
* inconvenience in having to type a zero before a single-digit
* character code.
*/
if (event->type == GDK_KEY_RELEASE) {
if ((event->keyval == GDK_KEY_Meta_L ||
event->keyval == GDK_KEY_Meta_R ||
event->keyval == GDK_KEY_Alt_L ||
event->keyval == GDK_KEY_Alt_R) &&
inst->alt_keycode >= 0 && inst->alt_digits > 1) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - modifier release terminates Alt+numberpad input, "
"keycode = %d\n", inst->alt_keycode));
#endif
/*
* FIXME: we might usefully try to do something clever here
* about interpreting the generated key code in a way that's
* appropriate to the line code page.
*/
output[0] = inst->alt_keycode;
end = 1;
goto done;
}
#if GTK_CHECK_VERSION(2,0,0)
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - key release, passing to IM\n"));
#endif
if (gtk_im_context_filter_keypress(inst->imc, event)) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - key release accepted by IM\n"));
#endif
return TRUE;
} else {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - key release not accepted by IM\n"));
#endif
}
#endif
}
if (event->type == GDK_KEY_PRESS) {
/*
* If Alt has just been pressed, we start potentially
* accumulating an Alt+numberpad code. We do this by
* setting alt_keycode to -1 (nothing yet but plausible).
*/
if ((event->keyval == GDK_KEY_Meta_L ||
event->keyval == GDK_KEY_Meta_R ||
event->keyval == GDK_KEY_Alt_L ||
event->keyval == GDK_KEY_Alt_R)) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - modifier press potentially begins Alt+numberpad "
"input\n"));
#endif
inst->alt_keycode = -1;
inst->alt_digits = 0;
goto done; /* this generates nothing else */
}
/*
* If we're seeing a numberpad key press with Meta down,
* consider adding it to alt_keycode if that's sensible.
* Anything _else_ with Meta down cancels any possibility
* of an ALT keycode: we set alt_keycode to -2.
*/
if ((event->state & inst->meta_mod_mask) && inst->alt_keycode != -2) {
int digit = -1;
switch (event->keyval) {
case GDK_KEY_KP_0: case GDK_KEY_KP_Insert: digit = 0; break;
case GDK_KEY_KP_1: case GDK_KEY_KP_End: digit = 1; break;
case GDK_KEY_KP_2: case GDK_KEY_KP_Down: digit = 2; break;
case GDK_KEY_KP_3: case GDK_KEY_KP_Page_Down: digit = 3; break;
case GDK_KEY_KP_4: case GDK_KEY_KP_Left: digit = 4; break;
case GDK_KEY_KP_5: case GDK_KEY_KP_Begin: digit = 5; break;
case GDK_KEY_KP_6: case GDK_KEY_KP_Right: digit = 6; break;
case GDK_KEY_KP_7: case GDK_KEY_KP_Home: digit = 7; break;
case GDK_KEY_KP_8: case GDK_KEY_KP_Up: digit = 8; break;
case GDK_KEY_KP_9: case GDK_KEY_KP_Page_Up: digit = 9; break;
}
if (digit < 0)
inst->alt_keycode = -2; /* it's invalid */
else {
#ifdef KEY_EVENT_DIAGNOSTICS
int old_keycode = inst->alt_keycode;
#endif
if (inst->alt_keycode == -1)
inst->alt_keycode = digit; /* one-digit code */
else
inst->alt_keycode = inst->alt_keycode * 10 + digit;
inst->alt_digits++;
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Alt+numberpad digit %d added to keycode %d"
" gives %d\n", digit, old_keycode, inst->alt_keycode));
#endif
/* Having used this digit, we now do nothing more with it. */
goto done;
}
}
/*
* Shift-PgUp and Shift-PgDn don't even generate keystrokes
* at all.
*/
if (event->keyval == GDK_KEY_Page_Up &&
(event->state & GDK_SHIFT_MASK)) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Shift-PgUp scroll\n"));
#endif
term_scroll(inst->term, 0, -inst->height/2);
return TRUE;
}
if (event->keyval == GDK_KEY_Page_Up &&
(event->state & GDK_CONTROL_MASK)) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Ctrl-PgUp scroll\n"));
#endif
term_scroll(inst->term, 0, -1);
return TRUE;
}
if (event->keyval == GDK_KEY_Page_Down &&
(event->state & GDK_SHIFT_MASK)) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Shift-PgDn scroll\n"));
#endif
term_scroll(inst->term, 0, +inst->height/2);
return TRUE;
}
if (event->keyval == GDK_KEY_Page_Down &&
(event->state & GDK_CONTROL_MASK)) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Ctrl-PgDn scroll\n"));
#endif
term_scroll(inst->term, 0, +1);
return TRUE;
}
/*
* Neither does Shift-Ins.
*/
if (event->keyval == GDK_KEY_Insert &&
(event->state & GDK_SHIFT_MASK)) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Shift-Insert paste\n"));
#endif
request_paste(inst);
return TRUE;
}
special = FALSE;
use_ucsoutput = FALSE;
nethack_mode = conf_get_int(inst->conf, CONF_nethack_keypad);
app_keypad_mode = (inst->term->app_keypad_keys &&
!conf_get_int(inst->conf, CONF_no_applic_k));
/* ALT+things gives leading Escape. */
output[0] = '\033';
#if !GTK_CHECK_VERSION(2,0,0)
/*
* In vanilla X, and hence also GDK 1.2, the string received
* as part of a keyboard event is assumed to be in
* ISO-8859-1. (Seems woefully shortsighted in i18n terms,
* but it's true: see the man page for XLookupString(3) for
* confirmation.)
*/
output_charset = CS_ISO8859_1;
strncpy(output+1, event->string, lenof(output)-1);
#else /* !GTK_CHECK_VERSION(2,0,0) */
/*
* Most things can now be passed to
* gtk_im_context_filter_keypress without breaking anything
* below this point. An exception is the numeric keypad if
* we're in Nethack or application mode: the IM will eat
* numeric keypad presses if Num Lock is on, but we don't want
* it to.
*/
if (app_keypad_mode &&
(event->keyval == GDK_KEY_Num_Lock ||
event->keyval == GDK_KEY_KP_Divide ||
event->keyval == GDK_KEY_KP_Multiply ||
event->keyval == GDK_KEY_KP_Subtract ||
event->keyval == GDK_KEY_KP_Add ||
event->keyval == GDK_KEY_KP_Enter ||
event->keyval == GDK_KEY_KP_0 ||
event->keyval == GDK_KEY_KP_Insert ||
event->keyval == GDK_KEY_KP_1 ||
event->keyval == GDK_KEY_KP_End ||
event->keyval == GDK_KEY_KP_2 ||
event->keyval == GDK_KEY_KP_Down ||
event->keyval == GDK_KEY_KP_3 ||
event->keyval == GDK_KEY_KP_Page_Down ||
event->keyval == GDK_KEY_KP_4 ||
event->keyval == GDK_KEY_KP_Left ||
event->keyval == GDK_KEY_KP_5 ||
event->keyval == GDK_KEY_KP_Begin ||
event->keyval == GDK_KEY_KP_6 ||
event->keyval == GDK_KEY_KP_Right ||
event->keyval == GDK_KEY_KP_7 ||
event->keyval == GDK_KEY_KP_Home ||
event->keyval == GDK_KEY_KP_8 ||
event->keyval == GDK_KEY_KP_Up ||
event->keyval == GDK_KEY_KP_9 ||
event->keyval == GDK_KEY_KP_Page_Up ||
event->keyval == GDK_KEY_KP_Decimal ||
event->keyval == GDK_KEY_KP_Delete)) {
/* app keypad; do nothing */
} else if (nethack_mode &&
(event->keyval == GDK_KEY_KP_1 ||
event->keyval == GDK_KEY_KP_End ||
event->keyval == GDK_KEY_KP_2 ||
event->keyval == GDK_KEY_KP_Down ||
event->keyval == GDK_KEY_KP_3 ||
event->keyval == GDK_KEY_KP_Page_Down ||
event->keyval == GDK_KEY_KP_4 ||
event->keyval == GDK_KEY_KP_Left ||
event->keyval == GDK_KEY_KP_5 ||
event->keyval == GDK_KEY_KP_Begin ||
event->keyval == GDK_KEY_KP_6 ||
event->keyval == GDK_KEY_KP_Right ||
event->keyval == GDK_KEY_KP_7 ||
event->keyval == GDK_KEY_KP_Home ||
event->keyval == GDK_KEY_KP_8 ||
event->keyval == GDK_KEY_KP_Up ||
event->keyval == GDK_KEY_KP_9 ||
event->keyval == GDK_KEY_KP_Page_Up)) {
/* nethack mode; do nothing */
} else {
int try_filter = TRUE;
#ifdef META_MANUAL_MASK
if (event->state & META_MANUAL_MASK & inst->meta_mod_mask) {
/*
* If this key event had a Meta modifier bit set which
* is also in META_MANUAL_MASK, that means passing
* such an event to the GtkIMContext will be unhelpful
* (it will eat the keystroke and turn it into
* something not what we wanted).
*/
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Meta modifier requiring manual intervention, "
"suppressing IM filtering\n"));
#endif
try_filter = FALSE;
}
#endif
if (try_filter) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - general key press, passing to IM\n"));
#endif
if (gtk_im_context_filter_keypress(inst->imc, event)) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - key press accepted by IM\n"));
#endif
return TRUE;
} else {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - key press not accepted by IM\n"));
#endif
}
}
}
/*
* GDK 2.0 arranges to have done some translation for us: in
* GDK 2.0, event->string is encoded in the current locale.
*
* So we use the standard C library function mbstowcs() to
* convert from the current locale into Unicode; from there
* we can convert to whatever PuTTY is currently working in.
* (In fact I convert straight back to UTF-8 from
* wide-character Unicode, for the sake of simplicity: that
* way we can still use exactly the same code to manipulate
* the string, such as prefixing ESC.)
*/
output_charset = CS_UTF8;
{
wchar_t widedata[32];
const wchar_t *wp;
int wlen;
int ulen;
wlen = mb_to_wc(DEFAULT_CODEPAGE, 0,
event->string, strlen(event->string),
widedata, lenof(widedata)-1);
#ifdef KEY_EVENT_DIAGNOSTICS
{
char *string_string = dupstr("");
int i;
for (i = 0; i < wlen; i++) {
char *old = string_string;
string_string = dupprintf("%s%s%04x", string_string,
string_string[0] ? " " : "",
(unsigned)widedata[i]);
sfree(old);
}
debug((" - string translated into Unicode = [%s]\n",
string_string));
sfree(string_string);
}
#endif
wp = widedata;
ulen = charset_from_unicode(&wp, &wlen, output+1, lenof(output)-2,
CS_UTF8, NULL, NULL, 0);
#ifdef KEY_EVENT_DIAGNOSTICS
{
char *string_string = dupstr("");
int i;
for (i = 0; i < ulen; i++) {
char *old = string_string;
string_string = dupprintf("%s%s%02x", string_string,
string_string[0] ? " " : "",
(unsigned)output[i+1] & 0xFF);
sfree(old);
}
debug((" - string translated into UTF-8 = [%s]\n",
string_string));
sfree(string_string);
}
#endif
output[1+ulen] = '\0';
}
#endif /* !GTK_CHECK_VERSION(2,0,0) */
if (!output[1] &&
(ucsval = keysym_to_unicode(event->keyval)) >= 0) {
ucsoutput[0] = '\033';
ucsoutput[1] = ucsval;
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - keysym_to_unicode gave %04x\n",
(unsigned)ucsoutput[1]));
#endif
use_ucsoutput = TRUE;
end = 2;
} else {
output[lenof(output)-1] = '\0';
end = strlen(output);
}
if (event->state & inst->meta_mod_mask) {
start = 0;
if (end == 1) end = 0;
#ifdef META_MANUAL_MASK
if (event->state & META_MANUAL_MASK) {
/*
* Key events which have a META_MANUAL_MASK meta bit
* set may have a keyval reflecting that, e.g. on OS X
* the Option key acts as an AltGr-like modifier and
* causes different Unicode characters to be output.
*
* To work around this, we clear the dangerous
* modifier bit and retranslate from the hardware
* keycode as if the key had been pressed without that
* modifier. Then we prefix Esc to *that*.
*/
guint new_keyval;
GdkModifierType consumed;
if (gdk_keymap_translate_keyboard_state
(gdk_keymap_get_for_display(gdk_display_get_default()),
event->hardware_keycode, event->state & ~META_MANUAL_MASK,
0, &new_keyval, NULL, NULL, &consumed)) {
ucsoutput[0] = '\033';
ucsoutput[1] = gdk_keyval_to_unicode(new_keyval);
#ifdef KEY_EVENT_DIAGNOSTICS
{
char *keyval_name = dup_keyval_name(new_keyval);
debug((" - retranslation for manual Meta: "
"new keyval = %s, Unicode = %04x\n",
keyval_name, (unsigned)ucsoutput[1]));
sfree(keyval_name);
}
#endif
use_ucsoutput = TRUE;
end = 2;
}
}
#endif
} else
start = 1;
/* Control-` is the same as Control-\ (unless gtk has a better idea) */
if (!output[1] && event->keyval == '`' &&
(event->state & GDK_CONTROL_MASK)) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Ctrl-` special case, translating as 1c\n"));
#endif
output[1] = '\x1C';
use_ucsoutput = FALSE;
end = 2;
}
/* Some GTK backends (e.g. Quartz) do not change event->string
* in response to the Control modifier. So we do it ourselves
* here, if it's not already happened.
*
* The translations below are in line with X11 policy as far
* as I know. */
if ((event->state & GDK_CONTROL_MASK) && end == 2) {
#ifdef KEY_EVENT_DIAGNOSTICS
int orig = output[1];
#endif
if (output[1] >= '3' && output[1] <= '7') {
/* ^3,...,^7 map to 0x1B,...,0x1F */
output[1] += '\x1B' - '3';
} else if (output[1] == '2' || output[1] == ' ') {
/* ^2 and ^Space are both ^@, i.e. \0 */
output[1] = '\0';
} else if (output[1] == '8') {
/* ^8 is DEL */
output[1] = '\x7F';
} else if (output[1] == '/') {
/* ^/ is the same as ^_ */
output[1] = '\x1F';
} else if (output[1] >= 0x40 && output[1] < 0x7F) {
/* Everything anywhere near the alphabetics just gets
* masked. */
output[1] &= 0x1F;
}
/* Anything else, e.g. '0', is unchanged. */
#ifdef KEY_EVENT_DIAGNOSTICS
if (orig == output[1])
debug((" - manual Ctrl key handling did nothing\n"));
else
debug((" - manual Ctrl key handling: %02x -> %02x\n",
(unsigned)orig, (unsigned)output[1]));
#endif
}
/* Control-Break sends a Break special to the backend */
if (event->keyval == GDK_KEY_Break &&
(event->state & GDK_CONTROL_MASK)) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Ctrl-Break special case, sending TS_BRK\n"));
#endif
if (inst->back)
inst->back->special(inst->backhandle, TS_BRK);
return TRUE;
}
/* We handle Return ourselves, because it needs to be flagged as
* special to ldisc. */
if (event->keyval == GDK_KEY_Return) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Return special case, translating as 0d + special\n"));
#endif
output[1] = '\015';
use_ucsoutput = FALSE;
end = 2;
special = TRUE;
}
/* Control-2, Control-Space and Control-@ are NUL */
if (!output[1] &&
(event->keyval == ' ' || event->keyval == '2' ||
event->keyval == '@') &&
(event->state & (GDK_SHIFT_MASK |
GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Ctrl-{space,2,@} special case, translating as 00\n"));
#endif
output[1] = '\0';
use_ucsoutput = FALSE;
end = 2;
}
/* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
if (!output[1] && event->keyval == ' ' &&
(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
(GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Ctrl-Shift-space special case, translating as 00a0\n"));
#endif
output[1] = '\240';
output_charset = CS_ISO8859_1;
use_ucsoutput = FALSE;
end = 2;
}
/* We don't let GTK tell us what Backspace is! We know better. */
if (event->keyval == GDK_KEY_BackSpace &&
!(event->state & GDK_SHIFT_MASK)) {
output[1] = conf_get_int(inst->conf, CONF_bksp_is_delete) ?
'\x7F' : '\x08';
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Backspace, translating as %02x\n",
(unsigned)output[1]));
#endif
use_ucsoutput = FALSE;
end = 2;
special = TRUE;
}
/* For Shift Backspace, do opposite of what is configured. */
if (event->keyval == GDK_KEY_BackSpace &&
(event->state & GDK_SHIFT_MASK)) {
output[1] = conf_get_int(inst->conf, CONF_bksp_is_delete) ?
'\x08' : '\x7F';
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Shift-Backspace, translating as %02x\n",
(unsigned)output[1]));
#endif
use_ucsoutput = FALSE;
end = 2;
special = TRUE;
}
/* Shift-Tab is ESC [ Z */
if (event->keyval == GDK_KEY_ISO_Left_Tab ||
(event->keyval == GDK_KEY_Tab &&
(event->state & GDK_SHIFT_MASK))) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Shift-Tab, translating as ESC [ Z\n"));
#endif
end = 1 + sprintf(output+1, "\033[Z");
use_ucsoutput = FALSE;
}
/* And normal Tab is Tab, if the keymap hasn't already told us.
* (Curiously, at least one version of the MacOS 10.5 X server
* doesn't translate Tab for us. */
if (event->keyval == GDK_KEY_Tab && end <= 1) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Tab, translating as 09\n"));
#endif
output[1] = '\t';
end = 2;
}
/*
* NetHack keypad mode.
*/
if (nethack_mode) {
const char *keys = NULL;
switch (event->keyval) {
case GDK_KEY_KP_1: case GDK_KEY_KP_End:
keys = "bB\002"; break;
case GDK_KEY_KP_2: case GDK_KEY_KP_Down:
keys = "jJ\012"; break;
case GDK_KEY_KP_3: case GDK_KEY_KP_Page_Down:
keys = "nN\016"; break;
case GDK_KEY_KP_4: case GDK_KEY_KP_Left:
keys = "hH\010"; break;
case GDK_KEY_KP_5: case GDK_KEY_KP_Begin:
keys = "..."; break;
case GDK_KEY_KP_6: case GDK_KEY_KP_Right:
keys = "lL\014"; break;
case GDK_KEY_KP_7: case GDK_KEY_KP_Home:
keys = "yY\031"; break;
case GDK_KEY_KP_8: case GDK_KEY_KP_Up:
keys = "kK\013"; break;
case GDK_KEY_KP_9: case GDK_KEY_KP_Page_Up:
keys = "uU\025"; break;
}
if (keys) {
end = 2;
if (event->state & GDK_CONTROL_MASK)
output[1] = keys[2];
else if (event->state & GDK_SHIFT_MASK)
output[1] = keys[1];
else
output[1] = keys[0];
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Nethack-mode key"));
#endif
use_ucsoutput = FALSE;
goto done;
}
}
/*
* Application keypad mode.
*/
if (app_keypad_mode) {
int xkey = 0;
switch (event->keyval) {
case GDK_KEY_Num_Lock: xkey = 'P'; break;
case GDK_KEY_KP_Divide: xkey = 'Q'; break;
case GDK_KEY_KP_Multiply: xkey = 'R'; break;
case GDK_KEY_KP_Subtract: xkey = 'S'; break;
/*
* Keypad + is tricky. It covers a space that would
* be taken up on the VT100 by _two_ keys; so we
* let Shift select between the two. Worse still,
* in xterm function key mode we change which two...
*/
case GDK_KEY_KP_Add:
if (conf_get_int(inst->conf, CONF_funky_type) == FUNKY_XTERM) {
if (event->state & GDK_SHIFT_MASK)
xkey = 'l';
else
xkey = 'k';
} else if (event->state & GDK_SHIFT_MASK)
xkey = 'm';
else
xkey = 'l';
break;
case GDK_KEY_KP_Enter: xkey = 'M'; break;
case GDK_KEY_KP_0: case GDK_KEY_KP_Insert: xkey = 'p'; break;
case GDK_KEY_KP_1: case GDK_KEY_KP_End: xkey = 'q'; break;
case GDK_KEY_KP_2: case GDK_KEY_KP_Down: xkey = 'r'; break;
case GDK_KEY_KP_3: case GDK_KEY_KP_Page_Down: xkey = 's'; break;
case GDK_KEY_KP_4: case GDK_KEY_KP_Left: xkey = 't'; break;
case GDK_KEY_KP_5: case GDK_KEY_KP_Begin: xkey = 'u'; break;
case GDK_KEY_KP_6: case GDK_KEY_KP_Right: xkey = 'v'; break;
case GDK_KEY_KP_7: case GDK_KEY_KP_Home: xkey = 'w'; break;
case GDK_KEY_KP_8: case GDK_KEY_KP_Up: xkey = 'x'; break;
case GDK_KEY_KP_9: case GDK_KEY_KP_Page_Up: xkey = 'y'; break;
case GDK_KEY_KP_Decimal: case GDK_KEY_KP_Delete:
xkey = 'n'; break;
}
if (xkey) {
if (inst->term->vt52_mode) {
if (xkey >= 'P' && xkey <= 'S')
end = 1 + sprintf(output+1, "\033%c", xkey);
else
end = 1 + sprintf(output+1, "\033?%c", xkey);
} else
end = 1 + sprintf(output+1, "\033O%c", xkey);
use_ucsoutput = FALSE;
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Application keypad mode key"));
#endif
goto done;
}
}
/*
* Next, all the keys that do tilde codes. (ESC '[' nn '~',
* for integer decimal nn.)
*
* We also deal with the weird ones here. Linux VCs replace F1
* to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
* does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
* respectively.
*/
{
int code = 0;
int funky_type = conf_get_int(inst->conf, CONF_funky_type);
switch (event->keyval) {
case GDK_KEY_F1:
code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
break;
case GDK_KEY_F2:
code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
break;
case GDK_KEY_F3:
code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
break;
case GDK_KEY_F4:
code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
break;
case GDK_KEY_F5:
code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
break;
case GDK_KEY_F6:
code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
break;
case GDK_KEY_F7:
code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
break;
case GDK_KEY_F8:
code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
break;
case GDK_KEY_F9:
code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
break;
case GDK_KEY_F10:
code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
break;
case GDK_KEY_F11:
code = 23;
break;
case GDK_KEY_F12:
code = 24;
break;
case GDK_KEY_F13:
code = 25;
break;
case GDK_KEY_F14:
code = 26;
break;
case GDK_KEY_F15:
code = 28;
break;
case GDK_KEY_F16:
code = 29;
break;
case GDK_KEY_F17:
code = 31;
break;
case GDK_KEY_F18:
code = 32;
break;
case GDK_KEY_F19:
code = 33;
break;
case GDK_KEY_F20:
code = 34;
break;
}
if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
case GDK_KEY_Home: case GDK_KEY_KP_Home:
code = 1;
break;
case GDK_KEY_Insert: case GDK_KEY_KP_Insert:
code = 2;
break;
case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
code = 3;
break;
case GDK_KEY_End: case GDK_KEY_KP_End:
code = 4;
break;
case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
code = 5;
break;
case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
code = 6;
break;
}
/* Reorder edit keys to physical order */
if (funky_type == FUNKY_VT400 && code <= 6)
code = "\0\2\1\4\5\3\6"[code];
if (inst->term->vt52_mode && code > 0 && code <= 6) {
end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - VT52 mode small keypad key"));
#endif
use_ucsoutput = FALSE;
goto done;
}
if (funky_type == FUNKY_SCO && /* SCO function keys */
code >= 11 && code <= 34) {
char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
int index = 0;
switch (event->keyval) {
case GDK_KEY_F1: index = 0; break;
case GDK_KEY_F2: index = 1; break;
case GDK_KEY_F3: index = 2; break;
case GDK_KEY_F4: index = 3; break;
case GDK_KEY_F5: index = 4; break;
case GDK_KEY_F6: index = 5; break;
case GDK_KEY_F7: index = 6; break;
case GDK_KEY_F8: index = 7; break;
case GDK_KEY_F9: index = 8; break;
case GDK_KEY_F10: index = 9; break;
case GDK_KEY_F11: index = 10; break;
case GDK_KEY_F12: index = 11; break;
}
if (event->state & GDK_SHIFT_MASK) index += 12;
if (event->state & GDK_CONTROL_MASK) index += 24;
end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - SCO mode function key"));
#endif
use_ucsoutput = FALSE;
goto done;
}
if (funky_type == FUNKY_SCO && /* SCO small keypad */
code >= 1 && code <= 6) {
char codes[] = "HL.FIG";
if (code == 3) {
output[1] = '\x7F';
end = 2;
} else {
end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
}
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - SCO mode small keypad key"));
#endif
use_ucsoutput = FALSE;
goto done;
}
if ((inst->term->vt52_mode || funky_type == FUNKY_VT100P) &&
code >= 11 && code <= 24) {
int offt = 0;
if (code > 15)
offt++;
if (code > 21)
offt++;
if (inst->term->vt52_mode) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - VT52 mode function key"));
#endif
end = 1 + sprintf(output+1,
"\x1B%c", code + 'P' - 11 - offt);
} else {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - VT100+ mode function key"));
#endif
end = 1 + sprintf(output+1,
"\x1BO%c", code + 'P' - 11 - offt);
}
use_ucsoutput = FALSE;
goto done;
}
if (funky_type == FUNKY_LINUX && code >= 11 && code <= 15) {
end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - Linux mode F1-F5 function key"));
#endif
use_ucsoutput = FALSE;
goto done;
}
if (funky_type == FUNKY_XTERM && code >= 11 && code <= 14) {
if (inst->term->vt52_mode) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - VT52 mode (overriding xterm) F1-F4 function"
" key"));
#endif
end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
} else {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - xterm mode F1-F4 function key"));
#endif
end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
}
use_ucsoutput = FALSE;
goto done;
}
if ((code == 1 || code == 4) &&
conf_get_int(inst->conf, CONF_rxvt_homeend)) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - rxvt style Home/End"));
#endif
end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
use_ucsoutput = FALSE;
goto done;
}
if (code) {
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - ordinary function key encoding"));
#endif
end = 1 + sprintf(output+1, "\x1B[%d~", code);
use_ucsoutput = FALSE;
goto done;
}
}
/*
* Cursor keys. (This includes the numberpad cursor keys,
* if we haven't already done them due to app keypad mode.)
*
* Here we also process un-numlocked un-appkeypadded KP5,
* which sends ESC [ G.
*/
{
int xkey = 0;
switch (event->keyval) {
case GDK_KEY_Up: case GDK_KEY_KP_Up: xkey = 'A'; break;
case GDK_KEY_Down: case GDK_KEY_KP_Down: xkey = 'B'; break;
case GDK_KEY_Right: case GDK_KEY_KP_Right: xkey = 'C'; break;
case GDK_KEY_Left: case GDK_KEY_KP_Left: xkey = 'D'; break;
case GDK_KEY_Begin: case GDK_KEY_KP_Begin: xkey = 'G'; break;
}
if (xkey) {
end = 1 + format_arrow_key(output+1, inst->term, xkey,
event->state & GDK_CONTROL_MASK);
#ifdef KEY_EVENT_DIAGNOSTICS
debug((" - arrow key"));
#endif
use_ucsoutput = FALSE;
goto done;
}
}
goto done;
}
done:
if (end-start > 0) {
if (special) {
#ifdef KEY_EVENT_DIAGNOSTICS
char *string_string = dupstr("");
int i;
for (i = start; i < end; i++) {
char *old = string_string;
string_string = dupprintf("%s%s%02x", string_string,
string_string[0] ? " " : "",
(unsigned)output[i] & 0xFF);
sfree(old);
}
debug((" - final output, special, generic encoding = [%s]\n",
charset_to_localenc(output_charset), string_string));
sfree(string_string);
#endif
/*
* For special control characters, the character set
* should never matter.
*/
output[end] = '\0'; /* NUL-terminate */
if (inst->ldisc)
ldisc_send(inst->ldisc, output+start, -2, 1);
} else if (!inst->direct_to_font) {
if (!use_ucsoutput) {
#ifdef KEY_EVENT_DIAGNOSTICS
char *string_string = dupstr("");
int i;
for (i = start; i < end; i++) {
char *old = string_string;
string_string = dupprintf("%s%s%02x", string_string,
string_string[0] ? " " : "",
(unsigned)output[i] & 0xFF);
sfree(old);
}
debug((" - final output in %s = [%s]\n",
charset_to_localenc(output_charset), string_string));
sfree(string_string);
#endif
if (inst->ldisc)
lpage_send(inst->ldisc, output_charset, output+start,
end-start, 1);
} else {
#ifdef KEY_EVENT_DIAGNOSTICS
char *string_string = dupstr("");
int i;
for (i = start; i < end; i++) {
char *old = string_string;
string_string = dupprintf("%s%s%04x", string_string,
string_string[0] ? " " : "",
(unsigned)ucsoutput[i]);
sfree(old);
}
debug((" - final output in Unicode = [%s]\n",
string_string));
sfree(string_string);
#endif
/*
* We generated our own Unicode key data from the
* keysym, so use that instead.
*/
if (inst->ldisc)
luni_send(inst->ldisc, ucsoutput+start, end-start, 1);
}
} else {
/*
* In direct-to-font mode, we just send the string
* exactly as we received it.
*/
#ifdef KEY_EVENT_DIAGNOSTICS
char *string_string = dupstr("");
int i;
for (i = start; i < end; i++) {
char *old = string_string;
string_string = dupprintf("%s%s%02x", string_string,
string_string[0] ? " " : "",
(unsigned)output[i] & 0xFF);
sfree(old);
}
debug((" - final output in direct-to-font encoding = [%s]\n",
string_string));
sfree(string_string);
#endif
if (inst->ldisc)
ldisc_send(inst->ldisc, output+start, end-start, 1);
}
show_mouseptr(inst, 0);
term_seen_key_event(inst->term);
}
return TRUE;
}
#if GTK_CHECK_VERSION(2,0,0)
void input_method_commit_event(GtkIMContext *imc, gchar *str, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
#ifdef KEY_EVENT_DIAGNOSTICS
char *string_string = dupstr("");
int i;
for (i = 0; str[i]; i++) {
char *old = string_string;
string_string = dupprintf("%s%s%02x", string_string,
string_string[0] ? " " : "",
(unsigned)str[i] & 0xFF);
sfree(old);
}
debug((" - IM commit event in UTF-8 = [%s]\n", string_string));
sfree(string_string);
#endif
if (inst->ldisc)
lpage_send(inst->ldisc, CS_UTF8, str, strlen(str), 1);
show_mouseptr(inst, 0);
term_seen_key_event(inst->term);
}
#endif
#define SCROLL_INCREMENT_LINES 5
#if GTK_CHECK_VERSION(3,4,0)
gboolean scroll_internal(struct gui_data *inst, gdouble delta, guint state,
gdouble ex, gdouble ey)
{
int shift, ctrl, alt, x, y, raw_mouse_mode;
show_mouseptr(inst, 1);
shift = state & GDK_SHIFT_MASK;
ctrl = state & GDK_CONTROL_MASK;
alt = state & inst->meta_mod_mask;
x = (ex - inst->window_border) / inst->font_width;
y = (ey - inst->window_border) / inst->font_height;
raw_mouse_mode =
send_raw_mouse && !(shift && conf_get_int(inst->conf,
CONF_mouse_override));
inst->cumulative_scroll += delta * SCROLL_INCREMENT_LINES;
if (!raw_mouse_mode) {
int scroll_lines = (int)inst->cumulative_scroll; /* rounds toward 0 */
if (scroll_lines) {
term_scroll(inst->term, 0, scroll_lines);
inst->cumulative_scroll -= scroll_lines;
}
return TRUE;
} else {
int scroll_events = (int)(inst->cumulative_scroll /
SCROLL_INCREMENT_LINES);
if (scroll_events) {
int button;
inst->cumulative_scroll -= scroll_events * SCROLL_INCREMENT_LINES;
if (scroll_events > 0) {
button = MBT_WHEEL_DOWN;
} else {
button = MBT_WHEEL_UP;
scroll_events = -scroll_events;
}
while (scroll_events-- > 0) {
term_mouse(inst->term, button, translate_button(button),
MA_CLICK, x, y, shift, ctrl, alt);
}
}
return TRUE;
}
}
#endif
gboolean button_internal(struct gui_data *inst, guint32 timestamp,
GdkEventType type, guint ebutton, guint state,
gdouble ex, gdouble ey)
{
int shift, ctrl, alt, x, y, button, act, raw_mouse_mode;
/* Remember the timestamp. */
inst->input_event_time = timestamp;
show_mouseptr(inst, 1);
shift = state & GDK_SHIFT_MASK;
ctrl = state & GDK_CONTROL_MASK;
alt = state & inst->meta_mod_mask;
raw_mouse_mode =
send_raw_mouse && !(shift && conf_get_int(inst->conf,
CONF_mouse_override));
if (!raw_mouse_mode) {
if (ebutton == 4 && type == GDK_BUTTON_PRESS) {
term_scroll(inst->term, 0, -SCROLL_INCREMENT_LINES);
return TRUE;
}
if (ebutton == 5 && type == GDK_BUTTON_PRESS) {
term_scroll(inst->term, 0, +SCROLL_INCREMENT_LINES);
return TRUE;
}
}
if (ebutton == 3 && ctrl) {
gtk_menu_popup(GTK_MENU(inst->menu), NULL, NULL, NULL, NULL,
ebutton, timestamp);
return TRUE;
}
if (ebutton == 1)
button = MBT_LEFT;
else if (ebutton == 2)
button = MBT_MIDDLE;
else if (ebutton == 3)
button = MBT_RIGHT;
else if (ebutton == 4)
button = MBT_WHEEL_UP;
else if (ebutton == 5)
button = MBT_WHEEL_DOWN;
else
return FALSE; /* don't even know what button! */
switch (type) {
case GDK_BUTTON_PRESS: act = MA_CLICK; break;
case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
default: return FALSE; /* don't know this event type */
}
if (raw_mouse_mode && act != MA_CLICK && act != MA_RELEASE)
return TRUE; /* we ignore these in raw mouse mode */
x = (ex - inst->window_border) / inst->font_width;
y = (ey - inst->window_border) / inst->font_height;
term_mouse(inst->term, button, translate_button(button), act,
x, y, shift, ctrl, alt);
return TRUE;
}
gboolean button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
return button_internal(inst, event->time, event->type, event->button,
event->state, event->x, event->y);
}
#if GTK_CHECK_VERSION(2,0,0)
/*
* In GTK 2, mouse wheel events have become a new type of event.
* This handler translates them back into button-4 and button-5
* presses so that I don't have to change my old code too much :-)
*/
gboolean scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
#if GTK_CHECK_VERSION(3,4,0)
gdouble dx, dy;
if (gdk_event_get_scroll_deltas((GdkEvent *)event, &dx, &dy)) {
return scroll_internal(inst, dy, event->state, event->x, event->y);
} else
return FALSE;
#else
guint button;
if (event->direction == GDK_SCROLL_UP)
button = 4;
else if (event->direction == GDK_SCROLL_DOWN)
button = 5;
else
return FALSE;
return button_internal(inst, event->time, GDK_BUTTON_PRESS,
button, event->state, event->x, event->y);
#endif
}
#endif
gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
int shift, ctrl, alt, x, y, button;
/* Remember the timestamp. */
inst->input_event_time = event->time;
show_mouseptr(inst, 1);
shift = event->state & GDK_SHIFT_MASK;
ctrl = event->state & GDK_CONTROL_MASK;
alt = event->state & inst->meta_mod_mask;
if (event->state & GDK_BUTTON1_MASK)
button = MBT_LEFT;
else if (event->state & GDK_BUTTON2_MASK)
button = MBT_MIDDLE;
else if (event->state & GDK_BUTTON3_MASK)
button = MBT_RIGHT;
else
return FALSE; /* don't even know what button! */
x = (event->x - inst->window_border) / inst->font_width;
y = (event->y - inst->window_border) / inst->font_height;
term_mouse(inst->term, button, translate_button(button), MA_DRAG,
x, y, shift, ctrl, alt);
return TRUE;
}
void frontend_keypress(void *handle)
{
struct gui_data *inst = (struct gui_data *)handle;
/*
* If our child process has exited but not closed, terminate on
* any keypress.
*/
if (inst->exited)
cleanup_exit(0);
}
static void exit_callback(void *vinst)
{
struct gui_data *inst = (struct gui_data *)vinst;
int exitcode, close_on_exit;
if (!inst->exited &&
(exitcode = inst->back->exitcode(inst->backhandle)) >= 0) {
inst->exited = TRUE;
close_on_exit = conf_get_int(inst->conf, CONF_close_on_exit);
if (close_on_exit == FORCE_ON ||
(close_on_exit == AUTO && exitcode == 0))
gtk_main_quit(); /* just go */
if (inst->ldisc) {
ldisc_free(inst->ldisc);
inst->ldisc = NULL;
}
inst->back->free(inst->backhandle);
inst->backhandle = NULL;
inst->back = NULL;
term_provide_resize_fn(inst->term, NULL, NULL);
update_specials_menu(inst);
gtk_widget_set_sensitive(inst->restartitem, TRUE);
}
}
void notify_remote_exit(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
queue_toplevel_callback(exit_callback, inst);
}
void destroy(GtkWidget *widget, gpointer data)
{
gtk_main_quit();
}
gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
term_set_focus(inst->term, event->in);
term_update(inst->term);
show_mouseptr(inst, 1);
return FALSE;
}
void set_busy_status(void *frontend, int status)
{
struct gui_data *inst = (struct gui_data *)frontend;
inst->busy_status = status;
update_mouseptr(inst);
}
/*
* set or clear the "raw mouse message" mode
*/
void set_raw_mouse_mode(void *frontend, int activate)
{
struct gui_data *inst = (struct gui_data *)frontend;
activate = activate && !conf_get_int(inst->conf, CONF_no_mouse_rep);
send_raw_mouse = activate;
update_mouseptr(inst);
}
#if GTK_CHECK_VERSION(2,0,0)
static void compute_whole_window_size(struct gui_data *inst,
int wchars, int hchars,
int *wpix, int *hpix);
#endif
void request_resize(void *frontend, int w, int h)
{
struct gui_data *inst = (struct gui_data *)frontend;
#if !GTK_CHECK_VERSION(3,0,0)
int large_x, large_y;
int offset_x, offset_y;
int area_x, area_y;
GtkRequisition inner, outer;
/*
* This is a heinous hack dreamed up by the gnome-terminal
* people to get around a limitation in gtk. The problem is
* that in order to set the size correctly we really need to be
* calling gtk_window_resize - but that needs to know the size
* of the _whole window_, not the drawing area. So what we do
* is to set an artificially huge size request on the drawing
* area, recompute the resulting size request on the window,
* and look at the difference between the two. That gives us
* the x and y offsets we need to translate drawing area size
* into window size for real, and then we call
* gtk_window_resize.
*/
/*
* We start by retrieving the current size of the whole window.
* Adding a bit to _that_ will give us a value we can use as a
* bogus size request which guarantees to be bigger than the
* current size of the drawing area.
*/
get_window_pixels(inst, &large_x, &large_y);
large_x += 32;
large_y += 32;
gtk_widget_set_size_request(inst->area, large_x, large_y);
gtk_widget_size_request(inst->area, &inner);
gtk_widget_size_request(inst->window, &outer);
offset_x = outer.width - inner.width;
offset_y = outer.height - inner.height;
area_x = inst->font_width * w + 2*inst->window_border;
area_y = inst->font_height * h + 2*inst->window_border;
/*
* Now we must set the size request on the drawing area back to
* something sensible before we commit the real resize. Best
* way to do this, I think, is to set it to what the size is
* really going to end up being.
*/
gtk_widget_set_size_request(inst->area, area_x, area_y);
#if GTK_CHECK_VERSION(2,0,0)
gtk_window_resize(GTK_WINDOW(inst->window),
area_x + offset_x, area_y + offset_y);
#else
gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), area_x, area_y);
/*
* I can no longer remember what this call to
* gtk_container_dequeue_resize_handler is for. It was
* introduced in r3092 with no comment, and the commit log
* message was uninformative. I'm _guessing_ its purpose is to
* prevent gratuitous resize processing on the window given
* that we're about to resize it anyway, but I have no idea
* why that's so incredibly vital.
*
* I've tried removing the call, and nothing seems to go
* wrong. I've backtracked to r3092 and tried removing the
* call there, and still nothing goes wrong. So I'm going to
* adopt the working hypothesis that it's superfluous; I won't
* actually remove it from the GTK 1.2 code, but I won't
* attempt to replicate its functionality in the GTK 2 code
* above.
*/
gtk_container_dequeue_resize_handler(GTK_CONTAINER(inst->window));
gdk_window_resize(gtk_widget_get_window(inst->window),
area_x + offset_x, area_y + offset_y);
#endif
#else /* GTK_CHECK_VERSION(3,0,0) */
int wp, hp;
compute_whole_window_size(inst, w, h, &wp, &hp);
gtk_window_resize(GTK_WINDOW(inst->window), wp, hp);
#endif
}
static void real_palette_set(struct gui_data *inst, int n, int r, int g, int b)
{
inst->cols[n].red = r * 0x0101;
inst->cols[n].green = g * 0x0101;
inst->cols[n].blue = b * 0x0101;
#if !GTK_CHECK_VERSION(3,0,0)
{
gboolean success[1];
gdk_colormap_free_colors(inst->colmap, inst->cols + n, 1);
gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1,
FALSE, TRUE, success);
if (!success[0])
g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n",
appname, n, r, g, b);
}
#endif
}
void set_gdk_window_background(GdkWindow *win, const GdkColor *col)
{
#if GTK_CHECK_VERSION(3,0,0)
/* gdk_window_set_background is deprecated; work around its
* absence. */
GdkRGBA rgba;
rgba.red = col->red / 65535.0;
rgba.green = col->green / 65535.0;
rgba.blue = col->blue / 65535.0;
rgba.alpha = 1.0;
gdk_window_set_background_rgba(win, &rgba);
#else
{
/* For GTK1, which doesn't have a 'const' on
* gdk_window_set_background's second parameter type. */
GdkColor col_mutable = *col;
gdk_window_set_background(win, &col_mutable);
}
#endif
}
void set_window_background(struct gui_data *inst)
{
if (inst->area && gtk_widget_get_window(inst->area))
set_gdk_window_background(gtk_widget_get_window(inst->area),
&inst->cols[258]);
if (inst->window && gtk_widget_get_window(inst->window))
set_gdk_window_background(gtk_widget_get_window(inst->window),
&inst->cols[258]);
}
void palette_set(void *frontend, int n, int r, int g, int b)
{
struct gui_data *inst = (struct gui_data *)frontend;
if (n >= 16)
n += 256 - 16;
if (n >= NALLCOLOURS)
return;
real_palette_set(inst, n, r, g, b);
if (n == 258) {
/* Default Background changed. Ensure space between text area and
* window border is redrawn */
set_window_background(inst);
draw_backing_rect(inst);
gtk_widget_queue_draw(inst->area);
}
}
void palette_reset(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
/* This maps colour indices in inst->conf to those used in inst->cols. */
static const int ww[] = {
256, 257, 258, 259, 260, 261,
0, 8, 1, 9, 2, 10, 3, 11,
4, 12, 5, 13, 6, 14, 7, 15
};
int i;
assert(lenof(ww) == NCFGCOLOURS);
#if !GTK_CHECK_VERSION(3,0,0)
if (!inst->colmap) {
inst->colmap = gdk_colormap_get_system();
} else {
gdk_colormap_free_colors(inst->colmap, inst->cols, NALLCOLOURS);
}
#endif
for (i = 0; i < NCFGCOLOURS; i++) {
inst->cols[ww[i]].red =
conf_get_int_int(inst->conf, CONF_colours, i*3+0) * 0x0101;
inst->cols[ww[i]].green =
conf_get_int_int(inst->conf, CONF_colours, i*3+1) * 0x0101;
inst->cols[ww[i]].blue =
conf_get_int_int(inst->conf, CONF_colours, i*3+2) * 0x0101;
}
for (i = 0; i < NEXTCOLOURS; i++) {
if (i < 216) {
int r = i / 36, g = (i / 6) % 6, b = i % 6;
inst->cols[i+16].red = r ? r * 0x2828 + 0x3737 : 0;
inst->cols[i+16].green = g ? g * 0x2828 + 0x3737 : 0;
inst->cols[i+16].blue = b ? b * 0x2828 + 0x3737 : 0;
} else {
int shade = i - 216;
shade = shade * 0x0a0a + 0x0808;
inst->cols[i+16].red = inst->cols[i+16].green =
inst->cols[i+16].blue = shade;
}
}
#if !GTK_CHECK_VERSION(3,0,0)
{
gboolean success[NALLCOLOURS];
gdk_colormap_alloc_colors(inst->colmap, inst->cols, NALLCOLOURS,
FALSE, TRUE, success);
for (i = 0; i < NALLCOLOURS; i++) {
if (!success[i])
g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n",
appname, i,
conf_get_int_int(inst->conf, CONF_colours, i*3+0),
conf_get_int_int(inst->conf, CONF_colours, i*3+1),
conf_get_int_int(inst->conf, CONF_colours, i*3+2));
}
}
#endif
/* Since Default Background may have changed, ensure that space
* between text area and window border is refreshed. */
set_window_background(inst);
if (inst->area && gtk_widget_get_window(inst->area)) {
draw_backing_rect(inst);
gtk_widget_queue_draw(inst->area);
}
}
#ifdef JUST_USE_GTK_CLIPBOARD_UTF8
/* ----------------------------------------------------------------------
* Clipboard handling, using the high-level GtkClipboard interface in
* as hands-off a way as possible. We write and read the clipboard as
* UTF-8 text, and let GTK deal with converting to any other text
* formats it feels like.
*/
void init_clipboard(struct gui_data *inst)
{
inst->clipboard = gtk_clipboard_get_for_display(gdk_display_get_default(),
DEFAULT_CLIPBOARD);
}
/*
* Because calling gtk_clipboard_set_with_data triggers a call to the
* clipboard_clear function from the last time, we need to arrange a
* way to distinguish a real call to clipboard_clear for the _new_
* instance of the clipboard data from the leftover call for the
* outgoing one. We do this by setting the user data field in our
* gtk_clipboard_set_with_data() call, instead of the obvious pointer
* to 'inst', to one of these.
*/
struct clipboard_data_instance {
struct gui_data *inst;
char *pasteout_data_utf8;
int pasteout_data_utf8_len;
};
static void clipboard_provide_data(GtkClipboard *clipboard,
GtkSelectionData *selection_data,
guint info, gpointer data)
{
struct clipboard_data_instance *cdi =
(struct clipboard_data_instance *)data;
struct gui_data *inst = cdi->inst;
if (inst->current_cdi == cdi) {
gtk_selection_data_set_text(selection_data, cdi->pasteout_data_utf8,
cdi->pasteout_data_utf8_len);
}
}
static void clipboard_clear(GtkClipboard *clipboard, gpointer data)
{
struct clipboard_data_instance *cdi =
(struct clipboard_data_instance *)data;
struct gui_data *inst = cdi->inst;
if (inst->current_cdi == cdi) {
term_deselect(inst->term);
inst->current_cdi = NULL;
}
sfree(cdi->pasteout_data_utf8);
sfree(cdi);
}
void write_clip(void *frontend, wchar_t *data, int *attr, int len,
int must_deselect)
{
struct gui_data *inst = (struct gui_data *)frontend;
struct clipboard_data_instance *cdi;
if (inst->direct_to_font) {
/* In this clipboard mode, we just can't paste if we're in
* direct-to-font mode. Fortunately, that shouldn't be
* important, because we'll only use this clipboard handling
* code on systems where that kind of font doesn't exist
* anyway. */
return;
}
cdi = snew(struct clipboard_data_instance);
cdi->inst = inst;
inst->current_cdi = cdi;
cdi->pasteout_data_utf8 = snewn(len*6, char);
{
const wchar_t *tmp = data;
int tmplen = len;
cdi->pasteout_data_utf8_len =
charset_from_unicode(&tmp, &tmplen, cdi->pasteout_data_utf8,
len*6, CS_UTF8, NULL, NULL, 0);
}
/*
* It would be nice to just call gtk_clipboard_set_text() in place
* of all of the faffing below. Unfortunately, that won't give me
* access to the clipboard-clear event, which we use to visually
* deselect text in the terminal.
*/
{
GtkTargetList *targetlist;
GtkTargetEntry *targettable;
gint n_targets;
targetlist = gtk_target_list_new(NULL, 0);
gtk_target_list_add_text_targets(targetlist, 0);
targettable = gtk_target_table_new_from_list(targetlist, &n_targets);
gtk_clipboard_set_with_data(inst->clipboard, targettable, n_targets,
clipboard_provide_data, clipboard_clear,
cdi);
gtk_target_table_free(targettable, n_targets);
gtk_target_list_unref(targetlist);
}
}
static void clipboard_text_received(GtkClipboard *clipboard,
const gchar *text, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
int length;
if (!text)
return;
length = strlen(text);
if (inst->pastein_data)
sfree(inst->pastein_data);
inst->pastein_data = snewn(length, wchar_t);
inst->pastein_data_len = mb_to_wc(CS_UTF8, 0, text, length,
inst->pastein_data, length);
term_do_paste(inst->term);
}
void request_paste(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
gtk_clipboard_request_text(inst->clipboard, clipboard_text_received, inst);
}
#else /* JUST_USE_GTK_CLIPBOARD_UTF8 */
/* ----------------------------------------------------------------------
* Clipboard handling for X, using the low-level gtk_selection_*
* interface, handling conversions to fiddly things like compound text
* ourselves, and storing in X cut buffers too.
*
* This version of the clipboard code has to be kept around for GTK1,
* which doesn't have the higher-level GtkClipboard interface at all.
* And since it works on GTK2 and GTK3 too and has had a good few
* years of shakedown and bug fixing, we might as well keep using it
* where it's applicable.
*
* It's _possible_ that we might be able to replicate all the
* important wrinkles of this code in GtkClipboard. (In particular,
* cut buffers or local analogue look as if they might be accessible
* via gtk_clipboard_set_can_store(), and delivering text in
* non-Unicode formats only in the direct-to-font case ought to be
* possible if we can figure out the right set of things to put in the
* GtkTargetList.) But that work can wait until there's a need for it!
*/
/* Store the data in a cut-buffer. */
static void store_cutbuffer(char * ptr, int len)
{
#ifndef NOT_X_WINDOWS
Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
/* ICCCM says we must rotate the buffers before storing to buffer 0. */
XRotateBuffers(disp, 1);
XStoreBytes(disp, ptr, len);
#endif
}
/* Retrieve data from a cut-buffer.
* Returned data needs to be freed with XFree().
*/
static char *retrieve_cutbuffer(int *nbytes)
{
#ifndef NOT_X_WINDOWS
Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
char * ptr;
ptr = XFetchBytes(disp, nbytes);
if (*nbytes <= 0 && ptr != 0) {
XFree(ptr);
ptr = 0;
}
return ptr;
#else
return NULL;
#endif
}
void write_clip(void *frontend, wchar_t *data, int *attr, int len,
int must_deselect)
{
struct gui_data *inst = (struct gui_data *)frontend;
if (inst->pasteout_data)
sfree(inst->pasteout_data);
if (inst->pasteout_data_ctext)
sfree(inst->pasteout_data_ctext);
if (inst->pasteout_data_utf8)
sfree(inst->pasteout_data_utf8);
/*
* Set up UTF-8 and compound text paste data. This only happens
* if we aren't in direct-to-font mode using the D800 hack.
*/
if (!inst->direct_to_font) {
const wchar_t *tmp = data;
int tmplen = len;
#ifndef NOT_X_WINDOWS
XTextProperty tp;
char *list[1];
Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
#endif
inst->pasteout_data_utf8 = snewn(len*6, char);
inst->pasteout_data_utf8_len = len*6;
inst->pasteout_data_utf8_len =
charset_from_unicode(&tmp, &tmplen, inst->pasteout_data_utf8,
inst->pasteout_data_utf8_len,
CS_UTF8, NULL, NULL, 0);
if (inst->pasteout_data_utf8_len == 0) {
sfree(inst->pasteout_data_utf8);
inst->pasteout_data_utf8 = NULL;
} else {
inst->pasteout_data_utf8 =
sresize(inst->pasteout_data_utf8,
inst->pasteout_data_utf8_len + 1, char);
inst->pasteout_data_utf8[inst->pasteout_data_utf8_len] = '\0';
}
/*
* Now let Xlib convert our UTF-8 data into compound text.
*/
#ifndef NOT_X_WINDOWS
list[0] = inst->pasteout_data_utf8;
if (Xutf8TextListToTextProperty(disp, list, 1,
XCompoundTextStyle, &tp) == 0) {
inst->pasteout_data_ctext = snewn(tp.nitems+1, char);
memcpy(inst->pasteout_data_ctext, tp.value, tp.nitems);
inst->pasteout_data_ctext_len = tp.nitems;
XFree(tp.value);
} else
#endif
{
inst->pasteout_data_ctext = NULL;
inst->pasteout_data_ctext_len = 0;
}
} else {
inst->pasteout_data_utf8 = NULL;
inst->pasteout_data_utf8_len = 0;
inst->pasteout_data_ctext = NULL;
inst->pasteout_data_ctext_len = 0;
}
inst->pasteout_data = snewn(len*6, char);
inst->pasteout_data_len = len*6;
inst->pasteout_data_len = wc_to_mb(inst->ucsdata.line_codepage, 0,
data, len, inst->pasteout_data,
inst->pasteout_data_len,
NULL, NULL, NULL);
if (inst->pasteout_data_len == 0) {
sfree(inst->pasteout_data);
inst->pasteout_data = NULL;
} else {
inst->pasteout_data =
sresize(inst->pasteout_data, inst->pasteout_data_len, char);
}
store_cutbuffer(inst->pasteout_data, inst->pasteout_data_len);
if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
inst->input_event_time)) {
#if GTK_CHECK_VERSION(2,0,0)
gtk_selection_clear_targets(inst->area, GDK_SELECTION_PRIMARY);
#endif
gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
GDK_SELECTION_TYPE_STRING, 1);
if (inst->pasteout_data_ctext)
gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
compound_text_atom, 1);
if (inst->pasteout_data_utf8)
gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
utf8_string_atom, 1);
}
if (must_deselect)
term_deselect(inst->term);
}
static void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
guint info, guint time_stamp, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
GdkAtom target = gtk_selection_data_get_target(seldata);
if (target == utf8_string_atom)
gtk_selection_data_set(seldata, target, 8,
(unsigned char *)inst->pasteout_data_utf8,
inst->pasteout_data_utf8_len);
else if (target == compound_text_atom)
gtk_selection_data_set(seldata, target, 8,
(unsigned char *)inst->pasteout_data_ctext,
inst->pasteout_data_ctext_len);
else
gtk_selection_data_set(seldata, target, 8,
(unsigned char *)inst->pasteout_data,
inst->pasteout_data_len);
}
static gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
term_deselect(inst->term);
if (inst->pasteout_data)
sfree(inst->pasteout_data);
if (inst->pasteout_data_ctext)
sfree(inst->pasteout_data_ctext);
if (inst->pasteout_data_utf8)
sfree(inst->pasteout_data_utf8);
inst->pasteout_data = NULL;
inst->pasteout_data_len = 0;
inst->pasteout_data_ctext = NULL;
inst->pasteout_data_ctext_len = 0;
inst->pasteout_data_utf8 = NULL;
inst->pasteout_data_utf8_len = 0;
return TRUE;
}
void request_paste(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
/*
* In Unix, pasting is asynchronous: all we can do at the
* moment is to call gtk_selection_convert(), and when the data
* comes back _then_ we can call term_do_paste().
*/
if (!inst->direct_to_font) {
/*
* First we attempt to retrieve the selection as a UTF-8
* string (which we will convert to the correct code page
* before sending to the session, of course). If that
* fails, selection_received() will be informed and will
* fall back to an ordinary string.
*/
gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
utf8_string_atom,
inst->input_event_time);
} else {
/*
* If we're in direct-to-font mode, we disable UTF-8
* pasting, and go straight to ordinary string data.
*/
gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
GDK_SELECTION_TYPE_STRING,
inst->input_event_time);
}
}
static void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
guint time, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
char *text;
int length;
#ifndef NOT_X_WINDOWS
char **list;
int free_list_required = 0;
int free_required = 0;
#endif
int charset;
GdkAtom seldata_target = gtk_selection_data_get_target(seldata);
GdkAtom seldata_type = gtk_selection_data_get_data_type(seldata);
const guchar *seldata_data = gtk_selection_data_get_data(seldata);
gint seldata_length = gtk_selection_data_get_length(seldata);
if (seldata_target == utf8_string_atom && seldata_length <= 0) {
/*
* Failed to get a UTF-8 selection string. Try compound
* text next.
*/
gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
compound_text_atom,
inst->input_event_time);
return;
}
if (seldata_target == compound_text_atom && seldata_length <= 0) {
/*
* Failed to get UTF-8 or compound text. Try an ordinary
* string.
*/
gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
GDK_SELECTION_TYPE_STRING,
inst->input_event_time);
return;
}
/*
* If we have data, but it's not of a type we can deal with,
* we have to ignore the data.
*/
if (seldata_length > 0 &&
seldata_type != GDK_SELECTION_TYPE_STRING &&
seldata_type != compound_text_atom &&
seldata_type != utf8_string_atom)
return;
/*
* If we have no data, try looking in a cut buffer.
*/
if (seldata_length <= 0) {
#ifndef NOT_X_WINDOWS
text = retrieve_cutbuffer(&length);
if (length == 0)
return;
/* Xterm is rumoured to expect Latin-1, though I havn't checked the
* source, so use that as a de-facto standard. */
charset = CS_ISO8859_1;
free_required = 1;
#else
return;
#endif
} else {
/*
* Convert COMPOUND_TEXT into UTF-8.
*/
if (seldata_type == compound_text_atom) {
#ifndef NOT_X_WINDOWS
XTextProperty tp;
int ret, count;
Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
tp.value = (unsigned char *)seldata_data;
tp.encoding = (Atom) seldata_type;
tp.format = gtk_selection_data_get_format(seldata);
tp.nitems = seldata_length;
ret = Xutf8TextPropertyToTextList(disp, &tp, &list, &count);
if (ret == 0 && count == 1) {
text = list[0];
length = strlen(list[0]);
charset = CS_UTF8;
free_list_required = 1;
} else
#endif
{
/*
* Compound text failed; fall back to STRING.
*/
gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
GDK_SELECTION_TYPE_STRING,
inst->input_event_time);
return;
}
} else {
text = (char *)seldata_data;
length = seldata_length;
charset = (seldata_type == utf8_string_atom ?
CS_UTF8 : inst->ucsdata.line_codepage);
}
}
if (inst->pastein_data)
sfree(inst->pastein_data);
inst->pastein_data = snewn(length, wchar_t);
inst->pastein_data_len = length;
inst->pastein_data_len =
mb_to_wc(charset, 0, text, length,
inst->pastein_data, inst->pastein_data_len);
term_do_paste(inst->term);
#ifndef NOT_X_WINDOWS
if (free_list_required)
XFreeStringList(list);
if (free_required)
XFree(text);
#endif
}
void init_clipboard(struct gui_data *inst)
{
#ifndef NOT_X_WINDOWS
/*
* Ensure that all the cut buffers exist - according to the ICCCM,
* we must do this before we start using cut buffers.
*/
unsigned char empty[] = "";
Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
x11_ignore_error(disp, BadMatch);
XChangeProperty(disp, GDK_ROOT_WINDOW(),
XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, empty, 0);
x11_ignore_error(disp, BadMatch);
XChangeProperty(disp, GDK_ROOT_WINDOW(),
XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, empty, 0);
x11_ignore_error(disp, BadMatch);
XChangeProperty(disp, GDK_ROOT_WINDOW(),
XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, empty, 0);
x11_ignore_error(disp, BadMatch);
XChangeProperty(disp, GDK_ROOT_WINDOW(),
XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, empty, 0);
x11_ignore_error(disp, BadMatch);
XChangeProperty(disp, GDK_ROOT_WINDOW(),
XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, empty, 0);
x11_ignore_error(disp, BadMatch);
XChangeProperty(disp, GDK_ROOT_WINDOW(),
XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, empty, 0);
x11_ignore_error(disp, BadMatch);
XChangeProperty(disp, GDK_ROOT_WINDOW(),
XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, empty, 0);
x11_ignore_error(disp, BadMatch);
XChangeProperty(disp, GDK_ROOT_WINDOW(),
XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, empty, 0);
#endif
g_signal_connect(G_OBJECT(inst->area), "selection_received",
G_CALLBACK(selection_received), inst);
g_signal_connect(G_OBJECT(inst->area), "selection_get",
G_CALLBACK(selection_get), inst);
g_signal_connect(G_OBJECT(inst->area), "selection_clear_event",
G_CALLBACK(selection_clear), inst);
}
/*
* End of selection/clipboard handling.
* ----------------------------------------------------------------------
*/
#endif /* JUST_USE_GTK_CLIPBOARD_UTF8 */
void get_clip(void *frontend, wchar_t ** p, int *len)
{
struct gui_data *inst = (struct gui_data *)frontend;
if (p) {
*p = inst->pastein_data;
*len = inst->pastein_data_len;
}
}
static void set_window_titles(struct gui_data *inst)
{
/*
* We must always call set_icon_name after calling set_title,
* since set_title will write both names. Irritating, but such
* is life.
*/
gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle);
if (!conf_get_int(inst->conf, CONF_win_name_always))
gdk_window_set_icon_name(gtk_widget_get_window(inst->window),
inst->icontitle);
}
void set_title(void *frontend, char *title)
{
struct gui_data *inst = (struct gui_data *)frontend;
sfree(inst->wintitle);
inst->wintitle = dupstr(title);
set_window_titles(inst);
}
void set_icon(void *frontend, char *title)
{
struct gui_data *inst = (struct gui_data *)frontend;
sfree(inst->icontitle);
inst->icontitle = dupstr(title);
set_window_titles(inst);
}
void set_title_and_icon(void *frontend, char *title, char *icon)
{
struct gui_data *inst = (struct gui_data *)frontend;
sfree(inst->wintitle);
inst->wintitle = dupstr(title);
sfree(inst->icontitle);
inst->icontitle = dupstr(icon);
set_window_titles(inst);
}
void set_sbar(void *frontend, int total, int start, int page)
{
struct gui_data *inst = (struct gui_data *)frontend;
if (!conf_get_int(inst->conf, CONF_scrollbar))
return;
gtk_adjustment_set_lower(inst->sbar_adjust, 0);
gtk_adjustment_set_upper(inst->sbar_adjust, total);
gtk_adjustment_set_value(inst->sbar_adjust, start);
gtk_adjustment_set_page_size(inst->sbar_adjust, page);
gtk_adjustment_set_step_increment(inst->sbar_adjust, 1);
gtk_adjustment_set_page_increment(inst->sbar_adjust, page/2);
inst->ignore_sbar = TRUE;
#if !GTK_CHECK_VERSION(3,18,0)
gtk_adjustment_changed(inst->sbar_adjust);
#endif
inst->ignore_sbar = FALSE;
}
void scrollbar_moved(GtkAdjustment *adj, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
if (!conf_get_int(inst->conf, CONF_scrollbar))
return;
if (!inst->ignore_sbar)
term_scroll(inst->term, 1, (int)gtk_adjustment_get_value(adj));
}
static void show_scrollbar(struct gui_data *inst, gboolean visible)
{
inst->sbar_visible = visible;
if (visible)
gtk_widget_show(inst->sbar);
else
gtk_widget_hide(inst->sbar);
}
void sys_cursor(void *frontend, int x, int y)
{
/*
* This is meaningless under X.
*/
}
/*
* This is still called when mode==BELL_VISUAL, even though the
* visual bell is handled entirely within terminal.c, because we
* may want to perform additional actions on any kind of bell (for
* example, taskbar flashing in Windows).
*/
void do_beep(void *frontend, int mode)
{
if (mode == BELL_DEFAULT)
gdk_beep();
}
int char_width(Context ctx, int uc)
{
/*
* In this front end, double-width characters are handled using a
* separate font, so this can safely just return 1 always.
*/
return 1;
}
Context get_ctx(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
struct draw_ctx *dctx;
if (!gtk_widget_get_window(inst->area))
return NULL;
dctx = snew(struct draw_ctx);
dctx->inst = inst;
dctx->uctx.type = inst->drawtype;
#ifdef DRAW_TEXT_GDK
if (dctx->uctx.type == DRAWTYPE_GDK) {
/* If we're doing GDK-based drawing, then we also expect
* inst->pixmap to exist. */
dctx->uctx.u.gdk.target = inst->pixmap;
dctx->uctx.u.gdk.gc = gdk_gc_new(gtk_widget_get_window(inst->area));
}
#endif
#ifdef DRAW_TEXT_CAIRO
if (dctx->uctx.type == DRAWTYPE_CAIRO) {
dctx->uctx.u.cairo.widget = GTK_WIDGET(inst->area);
/* If we're doing Cairo drawing, we expect inst->surface to
* exist, and we draw to that first, regardless of whether we
* subsequently copy the results to inst->pixmap. */
dctx->uctx.u.cairo.cr = cairo_create(inst->surface);
cairo_setup_dctx(dctx);
}
#endif
return dctx;
}
void free_ctx(Context ctx)
{
struct draw_ctx *dctx = (struct draw_ctx *)ctx;
/* struct gui_data *inst = dctx->inst; */
#ifdef DRAW_TEXT_GDK
if (dctx->uctx.type == DRAWTYPE_GDK) {
gdk_gc_unref(dctx->uctx.u.gdk.gc);
}
#endif
#ifdef DRAW_TEXT_CAIRO
if (dctx->uctx.type == DRAWTYPE_CAIRO) {
cairo_destroy(dctx->uctx.u.cairo.cr);
}
#endif
sfree(dctx);
}
static void draw_update(struct draw_ctx *dctx, int x, int y, int w, int h)
{
#if defined DRAW_TEXT_CAIRO && !defined NO_BACKING_PIXMAPS
if (dctx->uctx.type == DRAWTYPE_CAIRO) {
/*
* If inst->surface and inst->pixmap both exist, then we've
* just drawn new content to the former which we must copy to
* the latter.
*/
cairo_t *cr = gdk_cairo_create(dctx->inst->pixmap);
cairo_set_source_surface(cr, dctx->inst->surface, 0, 0);
cairo_rectangle(cr, x, y, w, h);
cairo_fill(cr);
cairo_destroy(cr);
}
#endif
/*
* Now we just queue a window redraw, which will cause
* inst->surface or inst->pixmap (whichever is appropriate for our
* compile mode) to be copied to the real window when we receive
* the resulting "expose" or "draw" event.
*
* Amazingly, this one API call is actually valid in all versions
* of GTK :-)
*/
gtk_widget_queue_draw_area(dctx->inst->area, x, y, w, h);
}
static void draw_set_colour(struct draw_ctx *dctx, int col)
{
#ifdef DRAW_TEXT_GDK
if (dctx->uctx.type == DRAWTYPE_GDK) {
gdk_gc_set_foreground(dctx->uctx.u.gdk.gc, &dctx->inst->cols[col]);
}
#endif
#ifdef DRAW_TEXT_CAIRO
if (dctx->uctx.type == DRAWTYPE_CAIRO) {
cairo_set_source_rgb(dctx->uctx.u.cairo.cr,
dctx->inst->cols[col].red / 65535.0,
dctx->inst->cols[col].green / 65535.0,
dctx->inst->cols[col].blue / 65535.0);
}
#endif
}
static void draw_rectangle(struct draw_ctx *dctx, int filled,
int x, int y, int w, int h)
{
#ifdef DRAW_TEXT_GDK
if (dctx->uctx.type == DRAWTYPE_GDK) {
gdk_draw_rectangle(dctx->uctx.u.gdk.target, dctx->uctx.u.gdk.gc,
filled, x, y, w, h);
}
#endif
#ifdef DRAW_TEXT_CAIRO
if (dctx->uctx.type == DRAWTYPE_CAIRO) {
cairo_new_path(dctx->uctx.u.cairo.cr);
if (filled) {
cairo_rectangle(dctx->uctx.u.cairo.cr, x, y, w, h);
cairo_fill(dctx->uctx.u.cairo.cr);
} else {
cairo_rectangle(dctx->uctx.u.cairo.cr,
x + 0.5, y + 0.5, w, h);
cairo_close_path(dctx->uctx.u.cairo.cr);
cairo_stroke(dctx->uctx.u.cairo.cr);
}
}
#endif
}
static void draw_clip(struct draw_ctx *dctx, int x, int y, int w, int h)
{
#ifdef DRAW_TEXT_GDK
if (dctx->uctx.type == DRAWTYPE_GDK) {
GdkRectangle r;
r.x = x;
r.y = y;
r.width = w;
r.height = h;
gdk_gc_set_clip_rectangle(dctx->uctx.u.gdk.gc, &r);
}
#endif
#ifdef DRAW_TEXT_CAIRO
if (dctx->uctx.type == DRAWTYPE_CAIRO) {
cairo_reset_clip(dctx->uctx.u.cairo.cr);
cairo_new_path(dctx->uctx.u.cairo.cr);
cairo_rectangle(dctx->uctx.u.cairo.cr, x, y, w, h);
cairo_clip(dctx->uctx.u.cairo.cr);
}
#endif
}
static void draw_point(struct draw_ctx *dctx, int x, int y)
{
#ifdef DRAW_TEXT_GDK
if (dctx->uctx.type == DRAWTYPE_GDK) {
gdk_draw_point(dctx->uctx.u.gdk.target, dctx->uctx.u.gdk.gc, x, y);
}
#endif
#ifdef DRAW_TEXT_CAIRO
if (dctx->uctx.type == DRAWTYPE_CAIRO) {
cairo_new_path(dctx->uctx.u.cairo.cr);
cairo_rectangle(dctx->uctx.u.cairo.cr, x, y, 1, 1);
cairo_fill(dctx->uctx.u.cairo.cr);
}
#endif
}
static void draw_line(struct draw_ctx *dctx, int x0, int y0, int x1, int y1)
{
#ifdef DRAW_TEXT_GDK
if (dctx->uctx.type == DRAWTYPE_GDK) {
gdk_draw_line(dctx->uctx.u.gdk.target, dctx->uctx.u.gdk.gc,
x0, y0, x1, y1);
}
#endif
#ifdef DRAW_TEXT_CAIRO
if (dctx->uctx.type == DRAWTYPE_CAIRO) {
cairo_new_path(dctx->uctx.u.cairo.cr);
cairo_move_to(dctx->uctx.u.cairo.cr, x0 + 0.5, y0 + 0.5);
cairo_line_to(dctx->uctx.u.cairo.cr, x1 + 0.5, y1 + 0.5);
cairo_stroke(dctx->uctx.u.cairo.cr);
}
#endif
}
static void draw_stretch_before(struct draw_ctx *dctx, int x, int y,
int w, int wdouble,
int h, int hdouble, int hbothalf)
{
#ifdef DRAW_TEXT_CAIRO
if (dctx->uctx.type == DRAWTYPE_CAIRO) {
cairo_matrix_t matrix;
matrix.xy = 0;
matrix.yx = 0;
if (wdouble) {
matrix.xx = 2;
matrix.x0 = -x;
} else {
matrix.xx = 1;
matrix.x0 = 0;
}
if (hdouble) {
matrix.yy = 2;
if (hbothalf) {
matrix.y0 = -(y+h);
} else {
matrix.y0 = -y;
}
} else {
matrix.yy = 1;
matrix.y0 = 0;
}
cairo_transform(dctx->uctx.u.cairo.cr, &matrix);
}
#endif
}
static void draw_stretch_after(struct draw_ctx *dctx, int x, int y,
int w, int wdouble,
int h, int hdouble, int hbothalf)
{
#ifdef DRAW_TEXT_GDK
#ifndef NO_BACKING_PIXMAPS
if (dctx->uctx.type == DRAWTYPE_GDK) {
/*
* I can't find any plausible StretchBlt equivalent in the X
* server, so I'm going to do this the slow and painful way.
* This will involve repeated calls to gdk_draw_pixmap() to
* stretch the text horizontally. It's O(N^2) in time and O(N)
* in network bandwidth, but you try thinking of a better way.
* :-(
*/
int i;
if (wdouble) {
for (i = 0; i < w; i++) {
gdk_draw_pixmap(dctx->uctx.u.gdk.target,
dctx->uctx.u.gdk.gc,
dctx->uctx.u.gdk.target,
x + 2*i, y,
x + 2*i+1, y,
w - i, h);
}
w *= 2;
}
if (hdouble) {
int dt, db;
/* Now stretch vertically, in the same way. */
if (hbothalf)
dt = 0, db = 1;
else
dt = 1, db = 0;
for (i = 0; i < h; i += 2) {
gdk_draw_pixmap(dctx->uctx.u.gdk.target,
dctx->uctx.u.gdk.gc,
dctx->uctx.u.gdk.target,
x, y + dt*i + db,
x, y + dt*(i+1),
w, h-i-1);
}
}
}
#else
#error No way to implement stretching in GDK without a reliable backing pixmap
#endif
#endif /* DRAW_TEXT_GDK */
#ifdef DRAW_TEXT_CAIRO
if (dctx->uctx.type == DRAWTYPE_CAIRO) {
cairo_set_matrix(dctx->uctx.u.cairo.cr,
&dctx->uctx.u.cairo.origmatrix);
}
#endif
}
static void draw_backing_rect(struct gui_data *inst)
{
struct draw_ctx *dctx = get_ctx(inst);
int w = inst->width * inst->font_width + 2*inst->window_border;
int h = inst->height * inst->font_height + 2*inst->window_border;
draw_set_colour(dctx, 258);
draw_rectangle(dctx, 1, 0, 0, w, h);
draw_update(dctx, 0, 0, w, h);
free_ctx(dctx);
}
/*
* Draw a line of text in the window, at given character
* coordinates, in given attributes.
*
* We are allowed to fiddle with the contents of `text'.
*/
void do_text_internal(Context ctx, int x, int y, wchar_t *text, int len,
unsigned long attr, int lattr)
{
struct draw_ctx *dctx = (struct draw_ctx *)ctx;
struct gui_data *inst = dctx->inst;
int ncombining;
int nfg, nbg, t, fontid, shadow, rlen, widefactor, bold;
int monochrome =
gdk_visual_get_depth(gtk_widget_get_visual(inst->area)) == 1;
if (attr & TATTR_COMBINING) {
ncombining = len;
len = 1;
} else
ncombining = 1;
nfg = ((monochrome ? ATTR_DEFFG : (attr & ATTR_FGMASK)) >> ATTR_FGSHIFT);
nbg = ((monochrome ? ATTR_DEFBG : (attr & ATTR_BGMASK)) >> ATTR_BGSHIFT);
if (!!(attr & ATTR_REVERSE) ^ (monochrome && (attr & TATTR_ACTCURS))) {
t = nfg;
nfg = nbg;
nbg = t;
}
if ((inst->bold_style & 2) && (attr & ATTR_BOLD)) {
if (nfg < 16) nfg |= 8;
else if (nfg >= 256) nfg |= 1;
}
if ((inst->bold_style & 2) && (attr & ATTR_BLINK)) {
if (nbg < 16) nbg |= 8;
else if (nbg >= 256) nbg |= 1;
}
if ((attr & TATTR_ACTCURS) && !monochrome) {
nfg = 260;
nbg = 261;
}
fontid = shadow = 0;
if (attr & ATTR_WIDE) {
widefactor = 2;
fontid |= 2;
} else {
widefactor = 1;
}
if ((attr & ATTR_BOLD) && (inst->bold_style & 1)) {
bold = 1;
fontid |= 1;
} else {
bold = 0;
}
if (!inst->fonts[fontid]) {
int i;
/*
* Fall back through font ids with subsets of this one's
* set bits, in order.
*/
for (i = fontid; i-- > 0 ;) {
if (i & ~fontid)
continue; /* some other bit is set */
if (inst->fonts[i]) {
fontid = i;
break;
}
}
assert(inst->fonts[fontid]); /* we should at least have hit zero */
}
if ((lattr & LATTR_MODE) != LATTR_NORM) {
x *= 2;
if (x >= inst->term->cols)
return;
if (x + len*2*widefactor > inst->term->cols)
len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
rlen = len * 2;
} else
rlen = len;
draw_clip(dctx,
x*inst->font_width+inst->window_border,
y*inst->font_height+inst->window_border,
rlen*widefactor*inst->font_width,
inst->font_height);
if ((lattr & LATTR_MODE) != LATTR_NORM) {
draw_stretch_before(dctx,
x*inst->font_width+inst->window_border,
y*inst->font_height+inst->window_border,
rlen*widefactor*inst->font_width, TRUE,
inst->font_height,
((lattr & LATTR_MODE) != LATTR_WIDE),
((lattr & LATTR_MODE) == LATTR_BOT));
}
draw_set_colour(dctx, nbg);
draw_rectangle(dctx, TRUE,
x*inst->font_width+inst->window_border,
y*inst->font_height+inst->window_border,
rlen*widefactor*inst->font_width, inst->font_height);
draw_set_colour(dctx, nfg);
if (ncombining > 1) {
assert(len == 1);
unifont_draw_combining(&dctx->uctx, inst->fonts[fontid],
x*inst->font_width+inst->window_border,
(y*inst->font_height+inst->window_border+
inst->fonts[0]->ascent),
text, ncombining, widefactor > 1,
bold, inst->font_width);
} else {
unifont_draw_text(&dctx->uctx, inst->fonts[fontid],
x*inst->font_width+inst->window_border,
(y*inst->font_height+inst->window_border+
inst->fonts[0]->ascent),
text, len, widefactor > 1,
bold, inst->font_width);
}
if (attr & ATTR_UNDER) {
int uheight = inst->fonts[0]->ascent + 1;
if (uheight >= inst->font_height)
uheight = inst->font_height - 1;
draw_line(dctx, x*inst->font_width+inst->window_border,
y*inst->font_height + uheight + inst->window_border,
(x+len)*widefactor*inst->font_width-1+inst->window_border,
y*inst->font_height + uheight + inst->window_border);
}
if ((lattr & LATTR_MODE) != LATTR_NORM) {
draw_stretch_after(dctx,
x*inst->font_width+inst->window_border,
y*inst->font_height+inst->window_border,
rlen*widefactor*inst->font_width, TRUE,
inst->font_height,
((lattr & LATTR_MODE) != LATTR_WIDE),
((lattr & LATTR_MODE) == LATTR_BOT));
}
}
void do_text(Context ctx, int x, int y, wchar_t *text, int len,
unsigned long attr, int lattr)
{
struct draw_ctx *dctx = (struct draw_ctx *)ctx;
struct gui_data *inst = dctx->inst;
int widefactor;
do_text_internal(ctx, x, y, text, len, attr, lattr);
if (attr & ATTR_WIDE) {
widefactor = 2;
} else {
widefactor = 1;
}
if ((lattr & LATTR_MODE) != LATTR_NORM) {
x *= 2;
if (x >= inst->term->cols)
return;
if (x + len*2*widefactor > inst->term->cols)
len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
len *= 2;
}
draw_update(dctx,
x*inst->font_width+inst->window_border,
y*inst->font_height+inst->window_border,
len*widefactor*inst->font_width, inst->font_height);
}
void do_cursor(Context ctx, int x, int y, wchar_t *text, int len,
unsigned long attr, int lattr)
{
struct draw_ctx *dctx = (struct draw_ctx *)ctx;
struct gui_data *inst = dctx->inst;
int active, passive, widefactor;
if (attr & TATTR_PASCURS) {
attr &= ~TATTR_PASCURS;
passive = 1;
} else
passive = 0;
if ((attr & TATTR_ACTCURS) && inst->cursor_type != 0) {
attr &= ~TATTR_ACTCURS;
active = 1;
} else
active = 0;
do_text_internal(ctx, x, y, text, len, attr, lattr);
if (attr & TATTR_COMBINING)
len = 1;
if (attr & ATTR_WIDE) {
widefactor = 2;
} else {
widefactor = 1;
}
if ((lattr & LATTR_MODE) != LATTR_NORM) {
x *= 2;
if (x >= inst->term->cols)
return;
if (x + len*2*widefactor > inst->term->cols)
len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
len *= 2;
}
if (inst->cursor_type == 0) {
/*
* An active block cursor will already have been done by
* the above do_text call, so we only need to do anything
* if it's passive.
*/
if (passive) {
draw_set_colour(dctx, 261);
draw_rectangle(dctx, FALSE,
x*inst->font_width+inst->window_border,
y*inst->font_height+inst->window_border,
len*widefactor*inst->font_width-1,
inst->font_height-1);
}
} else {
int uheight;
int startx, starty, dx, dy, length, i;
int char_width;
if ((attr & ATTR_WIDE) || (lattr & LATTR_MODE) != LATTR_NORM)
char_width = 2*inst->font_width;
else
char_width = inst->font_width;
if (inst->cursor_type == 1) {
uheight = inst->fonts[0]->ascent + 1;
if (uheight >= inst->font_height)
uheight = inst->font_height - 1;
startx = x * inst->font_width + inst->window_border;
starty = y * inst->font_height + inst->window_border + uheight;
dx = 1;
dy = 0;
length = len * widefactor * char_width;
} else {
int xadjust = 0;
if (attr & TATTR_RIGHTCURS)
xadjust = char_width - 1;
startx = x * inst->font_width + inst->window_border + xadjust;
starty = y * inst->font_height + inst->window_border;
dx = 0;
dy = 1;
length = inst->font_height;
}
draw_set_colour(dctx, 261);
if (passive) {
for (i = 0; i < length; i++) {
if (i % 2 == 0) {
draw_point(dctx, startx, starty);
}
startx += dx;
starty += dy;
}
} else if (active) {
draw_line(dctx, startx, starty,
startx + (length-1) * dx, starty + (length-1) * dy);
} /* else no cursor (e.g., blinked off) */
}
draw_update(dctx,
x*inst->font_width+inst->window_border,
y*inst->font_height+inst->window_border,
len*widefactor*inst->font_width, inst->font_height);
#if GTK_CHECK_VERSION(2,0,0)
{
GdkRectangle cursorrect;
cursorrect.x = x*inst->font_width+inst->window_border;
cursorrect.y = y*inst->font_height+inst->window_border;
cursorrect.width = len*widefactor*inst->font_width;
cursorrect.height = inst->font_height;
gtk_im_context_set_cursor_location(inst->imc, &cursorrect);
}
#endif
}
GdkCursor *make_mouse_ptr(struct gui_data *inst, int cursor_val)
{
if (cursor_val == -1) {
#if GTK_CHECK_VERSION(2,16,0)
cursor_val = GDK_BLANK_CURSOR;
#else
/*
* Work around absence of GDK_BLANK_CURSOR by inventing a
* blank pixmap.
*/
GdkCursor *ret;
GdkColor bg = { 0, 0, 0, 0 };
GdkPixmap *pm = gdk_pixmap_new(NULL, 1, 1, 1);
GdkGC *gc = gdk_gc_new(pm);
gdk_gc_set_foreground(gc, &bg);
gdk_draw_rectangle(pm, gc, 1, 0, 0, 1, 1);
gdk_gc_unref(gc);
ret = gdk_cursor_new_from_pixmap(pm, pm, &bg, &bg, 1, 1);
gdk_pixmap_unref(pm);
return ret;
#endif
}
return gdk_cursor_new(cursor_val);
}
void modalfatalbox(const char *p, ...)
{
va_list ap;
fprintf(stderr, "FATAL ERROR: ");
va_start(ap, p);
vfprintf(stderr, p, ap);
va_end(ap);
fputc('\n', stderr);
exit(1);
}
void cmdline_error(const char *p, ...)
{
va_list ap;
fprintf(stderr, "%s: ", appname);
va_start(ap, p);
vfprintf(stderr, p, ap);
va_end(ap);
fputc('\n', stderr);
exit(1);
}
const char *get_x_display(void *frontend)
{
return gdk_get_display();
}
#ifndef NOT_X_WINDOWS
long get_windowid(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
return (long)GDK_WINDOW_XID(gtk_widget_get_window(inst->area));
}
#endif
int frontend_is_utf8(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
return inst->ucsdata.line_codepage == CS_UTF8;
}
char *setup_fonts_ucs(struct gui_data *inst)
{
int shadowbold = conf_get_int(inst->conf, CONF_shadowbold);
int shadowboldoffset = conf_get_int(inst->conf, CONF_shadowboldoffset);
FontSpec *fs;
unifont *fonts[4];
int i;
fs = conf_get_fontspec(inst->conf, CONF_font);
fonts[0] = multifont_create(inst->area, fs->name, FALSE, FALSE,
shadowboldoffset, shadowbold);
if (!fonts[0]) {
return dupprintf("unable to load font \"%s\"", fs->name);
}
fs = conf_get_fontspec(inst->conf, CONF_boldfont);
if (shadowbold || !fs->name[0]) {
fonts[1] = NULL;
} else {
fonts[1] = multifont_create(inst->area, fs->name, FALSE, TRUE,
shadowboldoffset, shadowbold);
if (!fonts[1]) {
if (fonts[0])
unifont_destroy(fonts[0]);
return dupprintf("unable to load bold font \"%s\"", fs->name);
}
}
fs = conf_get_fontspec(inst->conf, CONF_widefont);
if (fs->name[0]) {
fonts[2] = multifont_create(inst->area, fs->name, TRUE, FALSE,
shadowboldoffset, shadowbold);
if (!fonts[2]) {
for (i = 0; i < 2; i++)
if (fonts[i])
unifont_destroy(fonts[i]);
return dupprintf("unable to load wide font \"%s\"", fs->name);
}
} else {
fonts[2] = NULL;
}
fs = conf_get_fontspec(inst->conf, CONF_wideboldfont);
if (shadowbold || !fs->name[0]) {
fonts[3] = NULL;
} else {
fonts[3] = multifont_create(inst->area, fs->name, TRUE, TRUE,
shadowboldoffset, shadowbold);
if (!fonts[3]) {
for (i = 0; i < 3; i++)
if (fonts[i])
unifont_destroy(fonts[i]);
return dupprintf("unable to load wide bold font \"%s\"", fs->name);
}
}
/*
* Now we've got past all the possible error conditions, we can
* actually update our state.
*/
for (i = 0; i < 4; i++) {
if (inst->fonts[i])
unifont_destroy(inst->fonts[i]);
inst->fonts[i] = fonts[i];
}
inst->font_width = inst->fonts[0]->width;
inst->font_height = inst->fonts[0]->height;
inst->direct_to_font = init_ucs(&inst->ucsdata,
conf_get_str(inst->conf, CONF_line_codepage),
conf_get_int(inst->conf, CONF_utf8_override),
inst->fonts[0]->public_charset,
conf_get_int(inst->conf, CONF_vtmode));
inst->drawtype = inst->fonts[0]->preferred_drawtype;
return NULL;
}
#if GTK_CHECK_VERSION(3,0,0)
struct find_app_menu_bar_ctx {
GtkWidget *area, *menubar;
};
static void find_app_menu_bar(GtkWidget *widget, gpointer data)
{
struct find_app_menu_bar_ctx *ctx = (struct find_app_menu_bar_ctx *)data;
if (widget != ctx->area && GTK_IS_MENU_BAR(widget))
ctx->menubar = widget;
}
#endif
static void compute_geom_hints(struct gui_data *inst, GdkGeometry *geom)
{
/*
* Unused fields in geom.
*/
geom->max_width = geom->max_height = -1;
geom->min_aspect = geom->max_aspect = 0;
/*
* Set up the geometry fields we care about, with reference to
* just the drawing area. We'll correct for other widgets in a
* moment.
*/
geom->min_width = inst->font_width + 2*inst->window_border;
geom->min_height = inst->font_height + 2*inst->window_border;
geom->base_width = 2*inst->window_border;
geom->base_height = 2*inst->window_border;
geom->width_inc = inst->font_width;
geom->height_inc = inst->font_height;
/*
* If we've got a scrollbar visible, then we must include its
* width as part of the base and min width, and also ensure that
* our window's minimum height is at least the height required by
* the scrollbar.
*
* In the latter case, we must also take care to arrange that
* (geom->min_height - geom->base_height) is an integer multiple of
* geom->height_inc, because if it's not, then some window managers
* (we know of xfwm4) get confused, with the effect that they
* resize our window to a height based on min_height instead of
* base_height, which we then round down and the window ends up
* too short.
*/
if (inst->sbar_visible) {
GtkRequisition req;
int min_sb_height;
#if GTK_CHECK_VERSION(3,0,0)
gtk_widget_get_preferred_size(inst->sbar, &req, NULL);
#else
gtk_widget_size_request(inst->sbar, &req);
#endif
/* Compute rounded-up scrollbar height. */
min_sb_height = req.height;
min_sb_height += geom->height_inc - 1;
min_sb_height -= ((min_sb_height - geom->base_height%geom->height_inc)
% geom->height_inc);
geom->min_width += req.width;
geom->base_width += req.width;
if (geom->min_height < min_sb_height)
geom->min_height = min_sb_height;
}
#if GTK_CHECK_VERSION(3,0,0)
/*
* And if we're running a gtkapp.c based program and
* GtkApplicationWindow has given us a menu bar inside the window,
* then we must take that into account as well.
*
* In its unbounded wisdom, GtkApplicationWindow doesn't actually
* give us a direct function call to _find_ the menu bar widget.
* Fortunately, we can find it by enumerating the children of the
* top-level window and looking for one we didn't put there
* ourselves.
*/
{
struct find_app_menu_bar_ctx actx, *ctx = &actx;
ctx->area = inst->area;
ctx->menubar = NULL;
gtk_container_foreach(GTK_CONTAINER(inst->window),
find_app_menu_bar, ctx);
if (ctx->menubar) {
GtkRequisition req;
int min_menu_width;
gtk_widget_get_preferred_size(ctx->menubar, NULL, &req);
/*
* This time, the height adjustment is easy (the menu bar
* sits above everything), but we have to take care with
* the _width_ to ensure we keep min_width and base_width
* congruent modulo width_inc.
*/
geom->min_height += req.height;
geom->base_height += req.height;
min_menu_width = req.width;
min_menu_width += geom->width_inc - 1;
min_menu_width -=
((min_menu_width - geom->base_width%geom->width_inc)
% geom->width_inc);
if (geom->min_width < min_menu_width)
geom->min_width = min_menu_width;
}
}
#endif
}
void set_geom_hints(struct gui_data *inst)
{
GdkGeometry geom;
gint flags = GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE | GDK_HINT_RESIZE_INC;
compute_geom_hints(inst, &geom);
#if GTK_CHECK_VERSION(2,0,0)
if (inst->gotpos)
flags |= GDK_HINT_USER_POS;
#endif
gtk_window_set_geometry_hints(GTK_WINDOW(inst->window),
NULL, &geom, flags);
}
#if GTK_CHECK_VERSION(2,0,0)
static void compute_whole_window_size(struct gui_data *inst,
int wchars, int hchars,
int *wpix, int *hpix)
{
GdkGeometry geom;
compute_geom_hints(inst, &geom);
if (wpix) *wpix = geom.base_width + wchars * geom.width_inc;
if (hpix) *hpix = geom.base_height + hchars * geom.height_inc;
}
#endif
void clear_scrollback_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
term_clrsb(inst->term);
}
void reset_terminal_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
term_pwron(inst->term, TRUE);
if (inst->ldisc)
ldisc_echoedit_update(inst->ldisc);
}
void copy_all_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
term_copyall(inst->term);
}
void special_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
int code = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(item),
"user-data"));
if (inst->back)
inst->back->special(inst->backhandle, code);
}
void about_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
about_box(inst->window);
}
void event_log_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
showeventlog(inst->eventlogstuff, inst->window);
}
void change_settings_menuitem(GtkMenuItem *item, gpointer data)
{
/* This maps colour indices in inst->conf to those used in inst->cols. */
static const int ww[] = {
256, 257, 258, 259, 260, 261,
0, 8, 1, 9, 2, 10, 3, 11,
4, 12, 5, 13, 6, 14, 7, 15
};
struct gui_data *inst = (struct gui_data *)data;
char *title;
Conf *oldconf, *newconf;
int i, j, need_size;
assert(lenof(ww) == NCFGCOLOURS);
if (inst->reconfiguring)
return;
else
inst->reconfiguring = TRUE;
title = dupcat(appname, " Reconfiguration", NULL);
oldconf = inst->conf;
newconf = conf_copy(inst->conf);
if (do_config_box(title, newconf, 1,
inst->back?inst->back->cfg_info(inst->backhandle):0)) {
inst->conf = newconf;
/* Pass new config data to the logging module */
log_reconfig(inst->logctx, inst->conf);
/*
* Flush the line discipline's edit buffer in the case
* where local editing has just been disabled.
*/
if (inst->ldisc) {
ldisc_configure(inst->ldisc, inst->conf);
ldisc_echoedit_update(inst->ldisc);
}
/* Pass new config data to the terminal */
term_reconfig(inst->term, inst->conf);
/* Pass new config data to the back end */
if (inst->back)
inst->back->reconfig(inst->backhandle, inst->conf);
cache_conf_values(inst);
/*
* Just setting inst->conf is sufficient to cause colour
* setting changes to appear on the next ESC]R palette
* reset. But we should also check whether any colour
* settings have been changed, and revert the ones that have
* to the new default, on the assumption that the user is
* most likely to want an immediate update.
*/
for (i = 0; i < NCFGCOLOURS; i++) {
for (j = 0; j < 3; j++)
if (conf_get_int_int(oldconf, CONF_colours, i*3+j) !=
conf_get_int_int(newconf, CONF_colours, i*3+j))
break;
if (j < 3) {
real_palette_set(inst, ww[i],
conf_get_int_int(newconf,CONF_colours,i*3+0),
conf_get_int_int(newconf,CONF_colours,i*3+1),
conf_get_int_int(newconf,CONF_colours,i*3+2));
/*
* If the default background has changed, we must
* repaint the space in between the window border
* and the text area.
*/
if (ww[i] == 258) {
set_window_background(inst);
draw_backing_rect(inst);
}
}
}
need_size = FALSE;
/*
* If the scrollbar needs to be shown, hidden, or moved
* from one end to the other of the window, do so now.
*/
if (conf_get_int(oldconf, CONF_scrollbar) !=
conf_get_int(newconf, CONF_scrollbar)) {
show_scrollbar(inst, conf_get_int(newconf, CONF_scrollbar));
need_size = TRUE;
}
if (conf_get_int(oldconf, CONF_scrollbar_on_left) !=
conf_get_int(newconf, CONF_scrollbar_on_left)) {
gtk_box_reorder_child(inst->hbox, inst->sbar,
conf_get_int(newconf, CONF_scrollbar_on_left)
? 0 : 1);
}
/*
* Change the window title, if required.
*/
if (strcmp(conf_get_str(oldconf, CONF_wintitle),
conf_get_str(newconf, CONF_wintitle)))
set_title(inst, conf_get_str(newconf, CONF_wintitle));
set_window_titles(inst);
/*
* Redo the whole tangled fonts and Unicode mess if
* necessary.
*/
if (strcmp(conf_get_fontspec(oldconf, CONF_font)->name,
conf_get_fontspec(newconf, CONF_font)->name) ||
strcmp(conf_get_fontspec(oldconf, CONF_boldfont)->name,
conf_get_fontspec(newconf, CONF_boldfont)->name) ||
strcmp(conf_get_fontspec(oldconf, CONF_widefont)->name,
conf_get_fontspec(newconf, CONF_widefont)->name) ||
strcmp(conf_get_fontspec(oldconf, CONF_wideboldfont)->name,
conf_get_fontspec(newconf, CONF_wideboldfont)->name) ||
strcmp(conf_get_str(oldconf, CONF_line_codepage),
conf_get_str(newconf, CONF_line_codepage)) ||
conf_get_int(oldconf, CONF_utf8_override) !=
conf_get_int(newconf, CONF_utf8_override) ||
conf_get_int(oldconf, CONF_vtmode) !=
conf_get_int(newconf, CONF_vtmode) ||
conf_get_int(oldconf, CONF_shadowbold) !=
conf_get_int(newconf, CONF_shadowbold) ||
conf_get_int(oldconf, CONF_shadowboldoffset) !=
conf_get_int(newconf, CONF_shadowboldoffset)) {
char *errmsg = setup_fonts_ucs(inst);
if (errmsg) {
char *msgboxtext =
dupprintf("Could not change fonts in terminal window: %s\n",
errmsg);
messagebox(inst->window, "Font setup error", msgboxtext,
string_width("Could not change fonts in terminal window:"),
FALSE, "OK", 'o', +1, 1,
NULL);
sfree(msgboxtext);
sfree(errmsg);
} else {
need_size = TRUE;
}
}
/*
* Resize the window.
*/
if (conf_get_int(oldconf, CONF_width) !=
conf_get_int(newconf, CONF_width) ||
conf_get_int(oldconf, CONF_height) !=
conf_get_int(newconf, CONF_height) ||
conf_get_int(oldconf, CONF_window_border) !=
conf_get_int(newconf, CONF_window_border) ||
need_size) {
set_geom_hints(inst);
request_resize(inst, conf_get_int(newconf, CONF_width),
conf_get_int(newconf, CONF_height));
} else {
/*
* The above will have caused a call to term_size() for
* us if it happened. If the user has fiddled with only
* the scrollback size, the above will not have
* happened and we will need an explicit term_size()
* here.
*/
if (conf_get_int(oldconf, CONF_savelines) !=
conf_get_int(newconf, CONF_savelines))
term_size(inst->term, inst->term->rows, inst->term->cols,
conf_get_int(newconf, CONF_savelines));
}
term_invalidate(inst->term);
/*
* We do an explicit full redraw here to ensure the window
* border has been redrawn as well as the text area.
*/
gtk_widget_queue_draw(inst->area);
conf_free(oldconf);
} else {
conf_free(newconf);
}
sfree(title);
inst->reconfiguring = FALSE;
}
void dup_session_menuitem(GtkMenuItem *item, gpointer gdata)
{
struct gui_data *inst = (struct gui_data *)gdata;
launch_duplicate_session(inst->conf);
}
void new_session_menuitem(GtkMenuItem *item, gpointer data)
{
launch_new_session();
}
void restart_session_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
if (!inst->back) {
logevent(inst, "----- Session restarted -----");
term_pwron(inst->term, FALSE);
start_backend(inst);
inst->exited = FALSE;
}
}
void saved_session_menuitem(GtkMenuItem *item, gpointer data)
{
char *str = (char *)g_object_get_data(G_OBJECT(item), "user-data");
launch_saved_session(str);
}
void saved_session_freedata(GtkMenuItem *item, gpointer data)
{
char *str = (char *)g_object_get_data(G_OBJECT(item), "user-data");
sfree(str);
}
static void update_savedsess_menu(GtkMenuItem *menuitem, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
struct sesslist sesslist;
int i;
gtk_container_foreach(GTK_CONTAINER(inst->sessionsmenu),
(GtkCallback)gtk_widget_destroy, NULL);
get_sesslist(&sesslist, TRUE);
/* skip sesslist.sessions[0] == Default Settings */
for (i = 1; i < sesslist.nsessions; i++) {
GtkWidget *menuitem =
gtk_menu_item_new_with_label(sesslist.sessions[i]);
gtk_container_add(GTK_CONTAINER(inst->sessionsmenu), menuitem);
gtk_widget_show(menuitem);
g_object_set_data(G_OBJECT(menuitem), "user-data",
dupstr(sesslist.sessions[i]));
g_signal_connect(G_OBJECT(menuitem), "activate",
G_CALLBACK(saved_session_menuitem),
inst);
g_signal_connect(G_OBJECT(menuitem), "destroy",
G_CALLBACK(saved_session_freedata),
inst);
}
if (sesslist.nsessions <= 1) {
GtkWidget *menuitem =
gtk_menu_item_new_with_label("(No sessions)");
gtk_widget_set_sensitive(menuitem, FALSE);
gtk_container_add(GTK_CONTAINER(inst->sessionsmenu), menuitem);
gtk_widget_show(menuitem);
}
get_sesslist(&sesslist, FALSE); /* free up */
}
void set_window_icon(GtkWidget *window, const char *const *const *icon,
int n_icon)
{
#if GTK_CHECK_VERSION(2,0,0)
GList *iconlist;
int n;
#else
GdkPixmap *iconpm;
GdkBitmap *iconmask;
#endif
if (!n_icon)
return;
gtk_widget_realize(window);
#if GTK_CHECK_VERSION(2,0,0)
gtk_window_set_icon(GTK_WINDOW(window),
gdk_pixbuf_new_from_xpm_data((const gchar **)icon[0]));
#else
iconpm = gdk_pixmap_create_from_xpm_d(gtk_widget_get_window(window),
&iconmask, NULL, (gchar **)icon[0]);
gdk_window_set_icon(gtk_widget_get_window(window), NULL, iconpm, iconmask);
#endif
#if GTK_CHECK_VERSION(2,0,0)
iconlist = NULL;
for (n = 0; n < n_icon; n++) {
iconlist =
g_list_append(iconlist,
gdk_pixbuf_new_from_xpm_data((const gchar **)
icon[n]));
}
gtk_window_set_icon_list(GTK_WINDOW(window), iconlist);
#endif
}
void update_specials_menu(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
const struct telnet_special *specials;
if (inst->back)
specials = inst->back->get_specials(inst->backhandle);
else
specials = NULL;
/* I believe this disposes of submenus too. */
gtk_container_foreach(GTK_CONTAINER(inst->specialsmenu),
(GtkCallback)gtk_widget_destroy, NULL);
if (specials) {
int i;
GtkWidget *menu = inst->specialsmenu;
/* A lame "stack" for submenus that will do for now. */
GtkWidget *saved_menu = NULL;
int nesting = 1;
for (i = 0; nesting > 0; i++) {
GtkWidget *menuitem = NULL;
switch (specials[i].code) {
case TS_SUBMENU:
assert (nesting < 2);
saved_menu = menu; /* XXX lame stacking */
menu = gtk_menu_new();
menuitem = gtk_menu_item_new_with_label(specials[i].name);
gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
gtk_container_add(GTK_CONTAINER(saved_menu), menuitem);
gtk_widget_show(menuitem);
menuitem = NULL;
nesting++;
break;
case TS_EXITMENU:
nesting--;
if (nesting) {
menu = saved_menu; /* XXX lame stacking */
saved_menu = NULL;
}
break;
case TS_SEP:
menuitem = gtk_menu_item_new();
break;
default:
menuitem = gtk_menu_item_new_with_label(specials[i].name);
g_object_set_data(G_OBJECT(menuitem), "user-data",
GINT_TO_POINTER(specials[i].code));
g_signal_connect(G_OBJECT(menuitem), "activate",
G_CALLBACK(special_menuitem), inst);
break;
}
if (menuitem) {
gtk_container_add(GTK_CONTAINER(menu), menuitem);
gtk_widget_show(menuitem);
}
}
gtk_widget_show(inst->specialsitem1);
gtk_widget_show(inst->specialsitem2);
} else {
gtk_widget_hide(inst->specialsitem1);
gtk_widget_hide(inst->specialsitem2);
}
}
static void start_backend(struct gui_data *inst)
{
extern Backend *select_backend(Conf *conf);
char *realhost;
const char *error;
char *s;
inst->back = select_backend(inst->conf);
error = inst->back->init((void *)inst, &inst->backhandle,
inst->conf,
conf_get_str(inst->conf, CONF_host),
conf_get_int(inst->conf, CONF_port),
&realhost,
conf_get_int(inst->conf, CONF_tcp_nodelay),
conf_get_int(inst->conf, CONF_tcp_keepalives));
if (error) {
char *msg = dupprintf("Unable to open connection to %s:\n%s",
conf_get_str(inst->conf, CONF_host), error);
inst->exited = TRUE;
fatal_message_box(inst->window, msg);
sfree(msg);
exit(0);
}
s = conf_get_str(inst->conf, CONF_wintitle);
if (s[0]) {
set_title_and_icon(inst, s, s);
} else {
char *title = make_default_wintitle(realhost);
set_title_and_icon(inst, title, title);
sfree(title);
}
sfree(realhost);
inst->back->provide_logctx(inst->backhandle, inst->logctx);
term_provide_resize_fn(inst->term, inst->back->size, inst->backhandle);
inst->ldisc =
ldisc_create(inst->conf, inst->term, inst->back, inst->backhandle,
inst);
gtk_widget_set_sensitive(inst->restartitem, FALSE);
}
struct gui_data *new_session_window(Conf *conf, const char *geometry_string)
{
struct gui_data *inst;
/*
* Create an instance structure and initialise to zeroes
*/
inst = snew(struct gui_data);
memset(inst, 0, sizeof(*inst));
inst->alt_keycode = -1; /* this one needs _not_ to be zero */
inst->busy_status = BUSY_NOT;
inst->conf = conf;
inst->wintitle = inst->icontitle = NULL;
inst->drawtype = DRAWTYPE_DEFAULT;
#if GTK_CHECK_VERSION(3,4,0)
inst->cumulative_scroll = 0.0;
#endif
#ifndef NOT_X_WINDOWS
if (geometry_string) {
int flags, x, y;
unsigned int w, h;
flags = XParseGeometry(geometry_string, &x, &y, &w, &h);
if (flags & WidthValue)
conf_set_int(conf, CONF_width, w);
if (flags & HeightValue)
conf_set_int(conf, CONF_height, h);
if (flags & (XValue | YValue)) {
inst->xpos = x;
inst->ypos = y;
inst->gotpos = TRUE;
inst->gravity = ((flags & XNegative ? 1 : 0) |
(flags & YNegative ? 2 : 0));
}
}
#endif
if (!compound_text_atom)
compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
if (!utf8_string_atom)
utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
inst->area = gtk_drawing_area_new();
#if GTK_CHECK_VERSION(2,0,0)
inst->imc = gtk_im_multicontext_new();
#endif
{
char *errmsg = setup_fonts_ucs(inst);
if (errmsg) {
fprintf(stderr, "%s: %s\n", appname, errmsg);
exit(1);
}
}
inst->window = make_gtk_toplevel_window(inst);
{
const char *winclass = conf_get_str(inst->conf, CONF_winclass);
if (*winclass)
gtk_window_set_wmclass(GTK_WINDOW(inst->window),
winclass, winclass);
}
/*
* Set up the colour map.
*/
palette_reset(inst);
inst->width = conf_get_int(inst->conf, CONF_width);
inst->height = conf_get_int(inst->conf, CONF_height);
cache_conf_values(inst);
init_clipboard(inst);
inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
/*
* We always create the scrollbar; it remains invisible if
* unwanted, so we can pop it up quickly if it suddenly becomes
* desirable.
*/
if (conf_get_int(inst->conf, CONF_scrollbar_on_left))
gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0);
if (!conf_get_int(inst->conf, CONF_scrollbar_on_left))
gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox));
gtk_widget_show(inst->area);
show_scrollbar(inst, conf_get_int(inst->conf, CONF_scrollbar));
gtk_widget_show(GTK_WIDGET(inst->hbox));
/*
* We must call gtk_widget_realize before setting up the geometry
* hints, so that GtkApplicationWindow will have actually created
* its menu bar (if it's going to) and hence compute_geom_hints
* can find it to take its size into account.
*/
gtk_widget_realize(inst->window);
set_geom_hints(inst);
#if GTK_CHECK_VERSION(3,0,0)
{
int wp, hp;
compute_whole_window_size(inst, inst->width, inst->height, &wp, &hp);
gtk_window_set_default_size(GTK_WINDOW(inst->window), wp, hp);
}
#else
{
int w = inst->font_width * inst->width + 2*inst->window_border;
int h = inst->font_height * inst->height + 2*inst->window_border;
#if GTK_CHECK_VERSION(2,0,0)
gtk_widget_set_size_request(inst->area, w, h);
#else
gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), w, h);
#endif
}
#endif
#if GTK_CHECK_VERSION(2,0,0)
if (inst->gotpos) {
static const GdkGravity gravities[] = {
GDK_GRAVITY_NORTH_WEST,
GDK_GRAVITY_NORTH_EAST,
GDK_GRAVITY_SOUTH_WEST,
GDK_GRAVITY_SOUTH_EAST,
};
int x = inst->xpos, y = inst->ypos;
int wp, hp;
compute_whole_window_size(inst, inst->width, inst->height, &wp, &hp);
if (inst->gravity & 1) x += (gdk_screen_width() - wp);
if (inst->gravity & 2) y += (gdk_screen_height() - hp);
gtk_window_set_gravity(GTK_WINDOW(inst->window),
gravities[inst->gravity & 3]);
gtk_window_move(GTK_WINDOW(inst->window), x, y);
}
#else
if (inst->gotpos) {
int x = inst->xpos, y = inst->ypos;
GtkRequisition req;
gtk_widget_size_request(GTK_WIDGET(inst->window), &req);
if (inst->gravity & 1) x += gdk_screen_width() - req.width;
if (inst->gravity & 2) y += gdk_screen_height() - req.height;
gtk_window_set_position(GTK_WINDOW(inst->window), GTK_WIN_POS_NONE);
gtk_widget_set_uposition(GTK_WIDGET(inst->window), x, y);
}
#endif
g_signal_connect(G_OBJECT(inst->window), "destroy",
G_CALLBACK(destroy), inst);
g_signal_connect(G_OBJECT(inst->window), "delete_event",
G_CALLBACK(delete_window), inst);
g_signal_connect(G_OBJECT(inst->window), "key_press_event",
G_CALLBACK(key_event), inst);
g_signal_connect(G_OBJECT(inst->window), "key_release_event",
G_CALLBACK(key_event), inst);
g_signal_connect(G_OBJECT(inst->window), "focus_in_event",
G_CALLBACK(focus_event), inst);
g_signal_connect(G_OBJECT(inst->window), "focus_out_event",
G_CALLBACK(focus_event), inst);
g_signal_connect(G_OBJECT(inst->area), "configure_event",
G_CALLBACK(configure_area), inst);
#if GTK_CHECK_VERSION(3,0,0)
g_signal_connect(G_OBJECT(inst->area), "draw",
G_CALLBACK(draw_area), inst);
#else
g_signal_connect(G_OBJECT(inst->area), "expose_event",
G_CALLBACK(expose_area), inst);
#endif
g_signal_connect(G_OBJECT(inst->area), "button_press_event",
G_CALLBACK(button_event), inst);
g_signal_connect(G_OBJECT(inst->area), "button_release_event",
G_CALLBACK(button_event), inst);
#if GTK_CHECK_VERSION(2,0,0)
g_signal_connect(G_OBJECT(inst->area), "scroll_event",
G_CALLBACK(scroll_event), inst);
#endif
g_signal_connect(G_OBJECT(inst->area), "motion_notify_event",
G_CALLBACK(motion_event), inst);
#if GTK_CHECK_VERSION(2,0,0)
g_signal_connect(G_OBJECT(inst->imc), "commit",
G_CALLBACK(input_method_commit_event), inst);
#endif
if (conf_get_int(inst->conf, CONF_scrollbar))
g_signal_connect(G_OBJECT(inst->sbar_adjust), "value_changed",
G_CALLBACK(scrollbar_moved), inst);
gtk_widget_add_events(GTK_WIDGET(inst->area),
GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK
#if GTK_CHECK_VERSION(3,4,0)
| GDK_SMOOTH_SCROLL_MASK
#endif
);
{
extern const char *const *const main_icon[];
extern const int n_main_icon;
set_window_icon(inst->window, main_icon, n_main_icon);
}
gtk_widget_show(inst->window);
set_window_background(inst);
/*
* Set up the Ctrl+rightclick context menu.
*/
{
GtkWidget *menuitem;
char *s;
extern const int use_event_log, new_session, saved_sessions;
inst->menu = gtk_menu_new();
#define MKMENUITEM(title, func) do \
{ \
menuitem = gtk_menu_item_new_with_label(title); \
gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \
gtk_widget_show(menuitem); \
g_signal_connect(G_OBJECT(menuitem), "activate", \
G_CALLBACK(func), inst); \
} while (0)
#define MKSUBMENU(title) do \
{ \
menuitem = gtk_menu_item_new_with_label(title); \
gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \
gtk_widget_show(menuitem); \
} while (0)
#define MKSEP() do \
{ \
menuitem = gtk_menu_item_new(); \
gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \
gtk_widget_show(menuitem); \
} while (0)
if (new_session)
MKMENUITEM("New Session...", new_session_menuitem);
MKMENUITEM("Restart Session", restart_session_menuitem);
inst->restartitem = menuitem;
gtk_widget_set_sensitive(inst->restartitem, FALSE);
MKMENUITEM("Duplicate Session", dup_session_menuitem);
if (saved_sessions) {
inst->sessionsmenu = gtk_menu_new();
/* sessionsmenu will be updated when it's invoked */
/* XXX is this the right way to do dynamic menus in Gtk? */
MKMENUITEM("Saved Sessions", update_savedsess_menu);
gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem),
inst->sessionsmenu);
}
MKSEP();
MKMENUITEM("Change Settings...", change_settings_menuitem);
MKSEP();
if (use_event_log)
MKMENUITEM("Event Log", event_log_menuitem);
MKSUBMENU("Special Commands");
inst->specialsmenu = gtk_menu_new();
gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), inst->specialsmenu);
inst->specialsitem1 = menuitem;
MKSEP();
inst->specialsitem2 = menuitem;
gtk_widget_hide(inst->specialsitem1);
gtk_widget_hide(inst->specialsitem2);
MKMENUITEM("Clear Scrollback", clear_scrollback_menuitem);
MKMENUITEM("Reset Terminal", reset_terminal_menuitem);
MKMENUITEM("Copy All", copy_all_menuitem);
MKSEP();
s = dupcat("About ", appname, NULL);
MKMENUITEM(s, about_menuitem);
sfree(s);
#undef MKMENUITEM
#undef MKSUBMENU
#undef MKSEP
}
inst->textcursor = make_mouse_ptr(inst, GDK_XTERM);
inst->rawcursor = make_mouse_ptr(inst, GDK_LEFT_PTR);
inst->waitcursor = make_mouse_ptr(inst, GDK_WATCH);
inst->blankcursor = make_mouse_ptr(inst, -1);
inst->currcursor = inst->textcursor;
show_mouseptr(inst, 1);
inst->eventlogstuff = eventlogstuff_new();
inst->term = term_init(inst->conf, &inst->ucsdata, inst);
inst->logctx = log_init(inst, inst->conf);
term_provide_logctx(inst->term, inst->logctx);
term_size(inst->term, inst->height, inst->width,
conf_get_int(inst->conf, CONF_savelines));
start_backend(inst);
ldisc_echoedit_update(inst->ldisc); /* cause ldisc to notice changes */
inst->exited = FALSE;
return inst;
}