/*
* pterm - a fusion of the PuTTY terminal emulator with a Unix pty
* back end, all running as a GTK application. Wish me luck.
*/
#define _GNU_SOURCE
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <time.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#define PUTTY_DO_GLOBALS /* actually _define_ globals */
#include "putty.h"
#include "terminal.h"
#define CAT2(x,y) x ## y
#define CAT(x,y) CAT2(x,y)
#define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
#define NCOLOURS (lenof(((Config *)0)->colours))
struct gui_data {
GtkWidget *window, *area, *sbar;
GtkBox *hbox;
GtkAdjustment *sbar_adjust;
GdkPixmap *pixmap;
GdkFont *fonts[2]; /* normal and bold (for now!) */
GdkCursor *rawcursor, *textcursor, *blankcursor, *currcursor;
GdkColor cols[NCOLOURS];
GdkColormap *colmap;
wchar_t *pastein_data;
int pastein_data_len;
char *pasteout_data;
int pasteout_data_len;
int font_width, font_height;
int ignore_sbar;
int mouseptr_visible;
guint term_paste_idle_id;
GdkAtom compound_text_atom;
int alt_keycode;
char wintitle[sizeof(((Config *)0)->wintitle)];
char icontitle[sizeof(((Config *)0)->wintitle)];
int master_fd, master_func_id, exited;
};
static struct gui_data the_inst;
static struct gui_data *inst = &the_inst; /* so we always write `inst->' */
static int send_raw_mouse;
void ldisc_update(int echo, int edit)
{
/*
* This is a stub in pterm. If I ever produce a Unix
* command-line ssh/telnet/rlogin client (i.e. a port of plink)
* then it will require some termios manoeuvring analogous to
* that in the Windows plink.c, but here it's meaningless.
*/
}
int askappend(char *filename)
{
/*
* Logging in an xterm-alike is liable to be something you only
* do at serious diagnostic need. Hence, I'm going to take the
* easy option for now and assume we always want to overwrite
* log files. I can always make it properly configurable later.
*/
return 2;
}
void logevent(char *string)
{
/*
* This is not a very helpful function: events are logged
* pretty much exclusively by the back end, and our pty back
* end is self-contained. So we need do nothing.
*/
}
int font_dimension(int which) /* 0 for width, 1 for height */
{
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.
*/
Mouse_Button translate_button(Mouse_Button button)
{
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 */
}
/*
* Minimise or restore the window in response to a server-side
* request.
*/
void set_iconic(int iconic)
{
/*
* GTK 1.2 doesn't know how to do this.
*/
#if GTK_CHECK_VERSION(2,0,0)
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(int x, int y)
{
/*
* 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_move(GTK_WINDOW(inst->window), x, y);
#else
gdk_window_move(inst->window->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(int top)
{
if (top)
gdk_window_raise(inst->window->window);
else
gdk_window_lower(inst->window->window);
}
/*
* Refresh the window in response to a server-side request.
*/
void refresh_window(void)
{
term_invalidate(term);
}
/*
* Maximise or restore the window in response to a server-side
* request.
*/
void set_zoomed(int zoomed)
{
/*
* GTK 1.2 doesn't know how to do this.
*/
#if GTK_CHECK_VERSION(2,0,0)
if (iconic)
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)
{
return !gdk_window_is_viewable(inst->window->window);
}
/*
* Report the window's position, for terminal reports.
*/
void get_window_pos(int *x, int *y)
{
/*
* 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(inst->window->window, x, y);
#endif
}
/*
* Report the window's pixel size, for terminal reports.
*/
void get_window_pixels(int *x, int *y)
{
/*
* 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(inst->window->window, x, y);
#endif
}
/*
* Return the window or icon title.
*/
char *get_window_title(int icon)
{
return icon ? inst->wintitle : inst->icontitle;
}
gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
{
/*
* We could implement warn-on-close here if we really wanted
* to.
*/
return FALSE;
}
void show_mouseptr(int show)
{
if (!cfg.hide_mouseptr)
show = 1;
if (show)
gdk_window_set_cursor(inst->area->window, inst->currcursor);
else
gdk_window_set_cursor(inst->area->window, inst->blankcursor);
inst->mouseptr_visible = show;
}
gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
int w, h, need_size = 0;
w = (event->width - 2*cfg.window_border) / inst->font_width;
h = (event->height - 2*cfg.window_border) / inst->font_height;
if (w != cfg.width || h != cfg.height) {
if (inst->pixmap) {
gdk_pixmap_unref(inst->pixmap);
inst->pixmap = NULL;
}
cfg.width = w;
cfg.height = h;
need_size = 1;
}
if (!inst->pixmap) {
GdkGC *gc;
inst->pixmap = gdk_pixmap_new(widget->window,
(cfg.width * inst->font_width +
2*cfg.window_border),
(cfg.height * inst->font_height +
2*cfg.window_border), -1);
gc = gdk_gc_new(inst->area->window);
gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */
gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0,
cfg.width * inst->font_width + 2*cfg.window_border,
cfg.height * inst->font_height + 2*cfg.window_border);
gdk_gc_unref(gc);
}
if (need_size) {
term_size(term, h, w, cfg.savelines);
}
return TRUE;
}
gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
{
/* struct gui_data *inst = (struct gui_data *)data; */
/*
* Pass the exposed rectangle to terminal.c, which will call us
* back to do the actual painting.
*/
if (inst->pixmap) {
gdk_draw_pixmap(widget->window,
widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
inst->pixmap,
event->area.x, event->area.y,
event->area.x, event->area.y,
event->area.width, event->area.height);
}
return TRUE;
}
#define KEY_PRESSED(k) \
(inst->keystate[(k) / 32] & (1 << ((k) % 32)))
gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
/* struct gui_data *inst = (struct gui_data *)data; */
char output[32];
int start, end;
/* By default, nothing is generated. */
end = start = 0;
/*
* If Alt is being released after typing an Alt+numberpad
* sequence, we should generate the code that was typed.
*/
if (event->type == GDK_KEY_RELEASE &&
(event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L ||
event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R) &&
inst->alt_keycode >= 0) {
#ifdef KEY_DEBUGGING
printf("Alt key up, keycode = %d\n", inst->alt_keycode);
#endif
output[0] = inst->alt_keycode;
end = 1;
goto done;
}
if (event->type == GDK_KEY_PRESS) {
#ifdef KEY_DEBUGGING
{
int i;
printf("keypress: keyval = %04x, state = %08x; string =",
event->keyval, event->state);
for (i = 0; event->string[i]; i++)
printf(" %02x", (unsigned char) event->string[i]);
printf("\n");
}
#endif
/*
* NYI: Compose key (!!! requires Unicode faff before even trying)
*/
/*
* 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_Meta_L || event->keyval == GDK_Alt_L ||
event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R)) {
inst->alt_keycode = -1;
goto done; /* this generates nothing else */
}
/*
* If we're seeing a numberpad key press with Mod1 down,
* consider adding it to alt_keycode if that's sensible.
* Anything _else_ with Mod1 down cancels any possibility
* of an ALT keycode: we set alt_keycode to -2.
*/
if ((event->state & GDK_MOD1_MASK) && inst->alt_keycode != -2) {
int digit = -1;
switch (event->keyval) {
case GDK_KP_0: case GDK_KP_Insert: digit = 0; break;
case GDK_KP_1: case GDK_KP_End: digit = 1; break;
case GDK_KP_2: case GDK_KP_Down: digit = 2; break;
case GDK_KP_3: case GDK_KP_Page_Down: digit = 3; break;
case GDK_KP_4: case GDK_KP_Left: digit = 4; break;
case GDK_KP_5: case GDK_KP_Begin: digit = 5; break;
case GDK_KP_6: case GDK_KP_Right: digit = 6; break;
case GDK_KP_7: case GDK_KP_Home: digit = 7; break;
case GDK_KP_8: case GDK_KP_Up: digit = 8; break;
case GDK_KP_9: case GDK_KP_Page_Up: digit = 9; break;
}
if (digit < 0)
inst->alt_keycode = -2; /* it's invalid */
else {
#ifdef KEY_DEBUGGING
printf("Adding digit %d to keycode %d", digit,
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;
#ifdef KEY_DEBUGGING
printf(" gives new code %d\n", 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_Page_Up && (event->state & GDK_SHIFT_MASK)) {
term_scroll(term, 0, -cfg.height/2);
return TRUE;
}
if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
term_scroll(term, 0, +cfg.height/2);
return TRUE;
}
/*
* Neither does Shift-Ins.
*/
if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) {
request_paste();
return TRUE;
}
/* ALT+things gives leading Escape. */
output[0] = '\033';
strncpy(output+1, event->string, 31);
output[31] = '\0';
end = strlen(output);
if (event->state & GDK_MOD1_MASK) {
start = 0;
if (end == 1) end = 0;
} else
start = 1;
/* Control-` is the same as Control-\ (unless gtk has a better idea) */
if (!event->string[0] && event->keyval == '`' &&
(event->state & GDK_CONTROL_MASK)) {
output[1] = '\x1C';
end = 2;
}
/* Control-Break is the same as Control-C */
if (event->keyval == GDK_Break &&
(event->state & GDK_CONTROL_MASK)) {
output[1] = '\003';
end = 2;
}
/* Control-2, Control-Space and Control-@ are NUL */
if (!event->string[0] &&
(event->keyval == ' ' || event->keyval == '2' ||
event->keyval == '@') &&
(event->state & (GDK_SHIFT_MASK |
GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
output[1] = '\0';
end = 2;
}
/* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
if (!event->string[0] && event->keyval == ' ' &&
(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
(GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
output[1] = '\240';
end = 2;
}
/* We don't let GTK tell us what Backspace is! We know better. */
if (event->keyval == GDK_BackSpace &&
!(event->state & GDK_SHIFT_MASK)) {
output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08';
end = 2;
}
/* For Shift Backspace, do opposite of what is configured. */
if (event->keyval == GDK_BackSpace &&
(event->state & GDK_SHIFT_MASK)) {
output[1] = cfg.bksp_is_delete ? '\x08' : '\x7F';
end = 2;
}
/* Shift-Tab is ESC [ Z */
if (event->keyval == GDK_ISO_Left_Tab ||
(event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
end = 1 + sprintf(output+1, "\033[Z");
}
/*
* NetHack keypad mode.
*/
if (cfg.nethack_keypad) {
char *keys = NULL;
switch (event->keyval) {
case GDK_KP_1: case GDK_KP_End: keys = "bB"; break;
case GDK_KP_2: case GDK_KP_Down: keys = "jJ"; break;
case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN"; break;
case GDK_KP_4: case GDK_KP_Left: keys = "hH"; break;
case GDK_KP_5: case GDK_KP_Begin: keys = ".."; break;
case GDK_KP_6: case GDK_KP_Right: keys = "lL"; break;
case GDK_KP_7: case GDK_KP_Home: keys = "yY"; break;
case GDK_KP_8: case GDK_KP_Up: keys = "kK"; break;
case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU"; break;
}
if (keys) {
end = 2;
if (event->state & GDK_SHIFT_MASK)
output[1] = keys[1];
else
output[1] = keys[0];
goto done;
}
}
/*
* Application keypad mode.
*/
if (term->app_keypad_keys && !cfg.no_applic_k) {
int xkey = 0;
switch (event->keyval) {
case GDK_Num_Lock: xkey = 'P'; break;
case GDK_KP_Divide: xkey = 'Q'; break;
case GDK_KP_Multiply: xkey = 'R'; break;
case GDK_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_KP_Add:
if (cfg.funky_type == 2) {
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_KP_Enter: xkey = 'M'; break;
case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
}
if (xkey) {
if (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);
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;
switch (event->keyval) {
case GDK_F1:
code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
break;
case GDK_F2:
code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
break;
case GDK_F3:
code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
break;
case GDK_F4:
code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
break;
case GDK_F5:
code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
break;
case GDK_F6:
code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
break;
case GDK_F7:
code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
break;
case GDK_F8:
code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
break;
case GDK_F9:
code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
break;
case GDK_F10:
code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
break;
case GDK_F11:
code = 23;
break;
case GDK_F12:
code = 24;
break;
case GDK_F13:
code = 25;
break;
case GDK_F14:
code = 26;
break;
case GDK_F15:
code = 28;
break;
case GDK_F16:
code = 29;
break;
case GDK_F17:
code = 31;
break;
case GDK_F18:
code = 32;
break;
case GDK_F19:
code = 33;
break;
case GDK_F20:
code = 34;
break;
}
if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
case GDK_Home: case GDK_KP_Home:
code = 1;
break;
case GDK_Insert: case GDK_KP_Insert:
code = 2;
break;
case GDK_Delete: case GDK_KP_Delete:
code = 3;
break;
case GDK_End: case GDK_KP_End:
code = 4;
break;
case GDK_Page_Up: case GDK_KP_Page_Up:
code = 5;
break;
case GDK_Page_Down: case GDK_KP_Page_Down:
code = 6;
break;
}
/* Reorder edit keys to physical order */
if (cfg.funky_type == 3 && code <= 6)
code = "\0\2\1\4\5\3\6"[code];
if (term->vt52_mode && code > 0 && code <= 6) {
end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
goto done;
}
if (cfg.funky_type == 5 && /* SCO function keys */
code >= 11 && code <= 34) {
char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
int index = 0;
switch (event->keyval) {
case GDK_F1: index = 0; break;
case GDK_F2: index = 1; break;
case GDK_F3: index = 2; break;
case GDK_F4: index = 3; break;
case GDK_F5: index = 4; break;
case GDK_F6: index = 5; break;
case GDK_F7: index = 6; break;
case GDK_F8: index = 7; break;
case GDK_F9: index = 8; break;
case GDK_F10: index = 9; break;
case GDK_F11: index = 10; break;
case GDK_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]);
goto done;
}
if (cfg.funky_type == 5 && /* 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]);
}
goto done;
}
if ((term->vt52_mode || cfg.funky_type == 4) &&
code >= 11 && code <= 24) {
int offt = 0;
if (code > 15)
offt++;
if (code > 21)
offt++;
if (term->vt52_mode)
end = 1 + sprintf(output+1,
"\x1B%c", code + 'P' - 11 - offt);
else
end = 1 + sprintf(output+1,
"\x1BO%c", code + 'P' - 11 - offt);
goto done;
}
if (cfg.funky_type == 1 && code >= 11 && code <= 15) {
end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
goto done;
}
if (cfg.funky_type == 2 && code >= 11 && code <= 14) {
if (term->vt52_mode)
end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
else
end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
goto done;
}
if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
goto done;
}
if (code) {
end = 1 + sprintf(output+1, "\x1B[%d~", code);
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_Up: case GDK_KP_Up: xkey = 'A'; break;
case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
}
if (xkey) {
/*
* The arrow keys normally do ESC [ A and so on. In
* app cursor keys mode they do ESC O A instead.
* Ctrl toggles the two modes.
*/
if (term->vt52_mode) {
end = 1 + sprintf(output+1, "\033%c", xkey);
} else if (!term->app_cursor_keys ^
!(event->state & GDK_CONTROL_MASK)) {
end = 1 + sprintf(output+1, "\033O%c", xkey);
} else {
end = 1 + sprintf(output+1, "\033[%c", xkey);
}
goto done;
}
}
goto done;
}
done:
if (end-start > 0) {
#ifdef KEY_DEBUGGING
int i;
printf("generating sequence:");
for (i = start; i < end; i++)
printf(" %02x", (unsigned char) output[i]);
printf("\n");
#endif
ldisc_send(output+start, end-start, 1);
show_mouseptr(0);
term_seen_key_event(term);
term_out(term);
}
return TRUE;
}
gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
int shift, ctrl, alt, x, y, button, act;
show_mouseptr(1);
if (event->button == 4 && event->type == GDK_BUTTON_PRESS) {
term_scroll(term, 0, -5);
return TRUE;
}
if (event->button == 5 && event->type == GDK_BUTTON_PRESS) {
term_scroll(term, 0, +5);
return TRUE;
}
shift = event->state & GDK_SHIFT_MASK;
ctrl = event->state & GDK_CONTROL_MASK;
alt = event->state & GDK_MOD1_MASK;
if (event->button == 1)
button = MBT_LEFT;
else if (event->button == 2)
button = MBT_MIDDLE;
else if (event->button == 3)
button = MBT_RIGHT;
else
return FALSE; /* don't even know what button! */
switch (event->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 (send_raw_mouse && !(cfg.mouse_override && shift) &&
act != MA_CLICK && act != MA_RELEASE)
return TRUE; /* we ignore these in raw mouse mode */
x = (event->x - cfg.window_border) / inst->font_width;
y = (event->y - cfg.window_border) / inst->font_height;
term_mouse(term, button, act, x, y, shift, ctrl, alt);
return TRUE;
}
gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
int shift, ctrl, alt, x, y, button;
show_mouseptr(1);
shift = event->state & GDK_SHIFT_MASK;
ctrl = event->state & GDK_CONTROL_MASK;
alt = event->state & GDK_MOD1_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 - cfg.window_border) / inst->font_width;
y = (event->y - cfg.window_border) / inst->font_height;
term_mouse(term, button, MA_DRAG, x, y, shift, ctrl, alt);
return TRUE;
}
void done_with_pty(struct gui_data *inst)
{
extern void pty_close(void);
if (inst->master_fd >= 0) {
pty_close();
inst->master_fd = -1;
gtk_input_remove(inst->master_func_id);
}
if (!inst->exited && back->exitcode(backhandle) >= 0) {
int exitcode = back->exitcode(backhandle);
int clean;
clean = WIFEXITED(exitcode) && (WEXITSTATUS(exitcode) == 0);
/*
* Terminate now, if the Close On Exit setting is
* appropriate.
*/
if (cfg.close_on_exit == COE_ALWAYS ||
(cfg.close_on_exit == COE_NORMAL && clean))
exit(0);
/*
* Otherwise, output an indication that the session has
* closed.
*/
{
char message[512];
if (WIFEXITED(exitcode))
sprintf(message, "\r\n[pterm: process terminated with exit"
" code %d]\r\n", WEXITSTATUS(exitcode));
else if (WIFSIGNALED(exitcode))
#ifdef HAVE_NO_STRSIGNAL
sprintf(message, "\r\n[pterm: process terminated on signal"
" %d]\r\n", WTERMSIG(exitcode));
#else
sprintf(message, "\r\n[pterm: process terminated on signal"
" %d (%.400s)]\r\n", WTERMSIG(exitcode),
strsignal(WTERMSIG(exitcode)));
#endif
from_backend((void *)term, 0, message, strlen(message));
}
inst->exited = 1;
}
}
void frontend_keypress(void)
{
/*
* If our child process has exited but not closed, terminate on
* any keypress.
*/
if (inst->exited)
exit(0);
}
gint timer_func(gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
if (back->exitcode(backhandle) >= 0) {
/*
* The primary child process died. We could keep the
* terminal open for remaining subprocesses to output to,
* but conventional wisdom seems to feel that that's the
* Wrong Thing for an xterm-alike, so we bail out now
* (though we don't necessarily _close_ the window,
* depending on the state of Close On Exit). This would be
* easy enough to change or make configurable if necessary.
*/
done_with_pty(inst);
}
term_update(term);
term_blink(term, 0);
return TRUE;
}
void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
{
struct gui_data *inst = (struct gui_data *)data;
char buf[4096];
int ret;
ret = read(sourcefd, buf, sizeof(buf));
/*
* Clean termination condition is that either ret == 0, or ret
* < 0 and errno == EIO. Not sure why the latter, but it seems
* to happen. Boo.
*/
if (ret == 0 || (ret < 0 && errno == EIO)) {
done_with_pty(inst);
} else if (ret < 0) {
perror("read pty master");
exit(1);
} else if (ret > 0)
from_backend(term, 0, buf, ret);
term_blink(term, 1);
term_out(term);
}
void destroy(GtkWidget *widget, gpointer data)
{
gtk_main_quit();
}
gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
{
term->has_focus = event->in;
term_out(term);
term_update(term);
show_mouseptr(1);
return FALSE;
}
/*
* set or clear the "raw mouse message" mode
*/
void set_raw_mouse_mode(int activate)
{
activate = activate && !cfg.no_mouse_rep;
send_raw_mouse = activate;
if (send_raw_mouse)
inst->currcursor = inst->rawcursor;
else
inst->currcursor = inst->textcursor;
show_mouseptr(inst->mouseptr_visible);
}
void request_resize(int w, int h)
{
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(&large_x, &large_y);
large_x += 32;
large_y += 32;
#if GTK_CHECK_VERSION(2,0,0)
gtk_widget_set_size_request(inst->area, large_x, large_y);
#else
gtk_widget_set_usize(inst->area, large_x, large_y);
#endif
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*cfg.window_border;
area_y = inst->font_height * h + 2*cfg.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.
*/
#if GTK_CHECK_VERSION(2,0,0)
gtk_widget_set_size_request(inst->area, area_x, area_y);
#else
gtk_widget_set_usize(inst->area, area_x, area_y);
#endif
#if GTK_CHECK_VERSION(2,0,0)
gtk_window_resize(GTK_WINDOW(inst->window),
area_x + offset_x, area_y + offset_y);
#else
gdk_window_resize(inst->window->window,
area_x + offset_x, area_y + offset_y);
#endif
}
void real_palette_set(int n, int r, int g, int b)
{
gboolean success[1];
inst->cols[n].red = r * 0x0101;
inst->cols[n].green = g * 0x0101;
inst->cols[n].blue = b * 0x0101;
gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1,
FALSE, FALSE, success);
if (!success[0])
g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
n, r, g, b);
}
void set_window_background(void)
{
if (inst->area && inst->area->window)
gdk_window_set_background(inst->area->window, &inst->cols[18]);
if (inst->window && inst->window->window)
gdk_window_set_background(inst->window->window, &inst->cols[18]);
}
void palette_set(int n, int r, int g, int b)
{
static const int first[21] = {
0, 2, 4, 6, 8, 10, 12, 14,
1, 3, 5, 7, 9, 11, 13, 15,
16, 17, 18, 20, 22
};
real_palette_set(first[n], r, g, b);
if (first[n] >= 18)
real_palette_set(first[n] + 1, r, g, b);
if (first[n] == 18)
set_window_background();
}
void palette_reset(void)
{
/* This maps colour indices in cfg to those used in inst->cols. */
static const int ww[] = {
6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16, 17, 18, 19, 20, 21,
0, 1, 2, 3, 4, 5
};
gboolean success[NCOLOURS];
int i;
assert(lenof(ww) == NCOLOURS);
if (!inst->colmap) {
inst->colmap = gdk_colormap_get_system();
} else {
gdk_colormap_free_colors(inst->colmap, inst->cols, NCOLOURS);
}
for (i = 0; i < NCOLOURS; i++) {
inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101;
inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101;
inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101;
}
gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS,
FALSE, FALSE, success);
for (i = 0; i < NCOLOURS; i++) {
if (!success[i])
g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]);
}
set_window_background();
}
void write_clip(wchar_t * data, int len, int must_deselect)
{
if (inst->pasteout_data)
sfree(inst->pasteout_data);
inst->pasteout_data = smalloc(len);
inst->pasteout_data_len = len;
wc_to_mb(0, 0, data, len, inst->pasteout_data, inst->pasteout_data_len,
NULL, NULL);
if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
GDK_CURRENT_TIME)) {
gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
GDK_SELECTION_TYPE_STRING, 1);
gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
inst->compound_text_atom, 1);
}
}
void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
guint info, guint time_stamp, gpointer data)
{
gtk_selection_data_set(seldata, GDK_SELECTION_TYPE_STRING, 8,
inst->pasteout_data, inst->pasteout_data_len);
}
gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
gpointer data)
{
term_deselect(term);
if (inst->pasteout_data)
sfree(inst->pasteout_data);
inst->pasteout_data = NULL;
inst->pasteout_data_len = 0;
return TRUE;
}
void request_paste(void)
{
/*
* 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().
*/
gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
}
gint idle_paste_func(gpointer data); /* forward ref */
void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
gpointer data)
{
if (seldata->length <= 0 ||
seldata->type != GDK_SELECTION_TYPE_STRING)
return; /* Nothing happens. */
if (inst->pastein_data)
sfree(inst->pastein_data);
inst->pastein_data = smalloc(seldata->length * sizeof(wchar_t));
inst->pastein_data_len = seldata->length;
mb_to_wc(0, 0, seldata->data, seldata->length,
inst->pastein_data, inst->pastein_data_len);
term_do_paste(term);
if (term_paste_pending(term))
inst->term_paste_idle_id = gtk_idle_add(idle_paste_func, inst);
}
gint idle_paste_func(gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
if (term_paste_pending(term))
term_paste(term);
else
gtk_idle_remove(inst->term_paste_idle_id);
return TRUE;
}
void get_clip(wchar_t ** p, int *len)
{
if (p) {
*p = inst->pastein_data;
*len = inst->pastein_data_len;
}
}
void set_title(char *title)
{
strncpy(inst->wintitle, title, lenof(inst->wintitle));
inst->wintitle[lenof(inst->wintitle)-1] = '\0';
gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle);
}
void set_icon(char *title)
{
strncpy(inst->icontitle, title, lenof(inst->icontitle));
inst->icontitle[lenof(inst->icontitle)-1] = '\0';
gdk_window_set_icon_name(inst->window->window, inst->icontitle);
}
void set_sbar(int total, int start, int page)
{
if (!cfg.scrollbar)
return;
inst->sbar_adjust->lower = 0;
inst->sbar_adjust->upper = total;
inst->sbar_adjust->value = start;
inst->sbar_adjust->page_size = page;
inst->sbar_adjust->step_increment = 1;
inst->sbar_adjust->page_increment = page/2;
inst->ignore_sbar = TRUE;
gtk_adjustment_changed(inst->sbar_adjust);
inst->ignore_sbar = FALSE;
}
void scrollbar_moved(GtkAdjustment *adj, gpointer data)
{
if (!cfg.scrollbar)
return;
if (!inst->ignore_sbar)
term_scroll(term, 1, (int)adj->value);
}
void sys_cursor(int x, int y)
{
/*
* This is meaningless under X.
*/
}
void beep(int mode)
{
gdk_beep();
}
int CharWidth(Context ctx, int uc)
{
/*
* Under X, any fixed-width font really _is_ fixed-width.
* Double-width characters will be dealt with using a separate
* font. For the moment we can simply return 1.
*/
return 1;
}
Context get_ctx(void)
{
GdkGC *gc;
if (!inst->area->window)
return NULL;
gc = gdk_gc_new(inst->area->window);
return gc;
}
void free_ctx(Context ctx)
{
GdkGC *gc = (GdkGC *)ctx;
gdk_gc_unref(gc);
}
/*
* 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, char *text, int len,
unsigned long attr, int lattr)
{
int nfg, nbg, t, fontid, shadow;
GdkGC *gc = (GdkGC *)ctx;
/*
* NYI:
* - Unicode, code pages, and ATTR_WIDE for CJK support.
*/
nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
if (attr & ATTR_REVERSE) {
t = nfg;
nfg = nbg;
nbg = t;
}
if (cfg.bold_colour && (attr & ATTR_BOLD))
nfg++;
if (cfg.bold_colour && (attr & ATTR_BLINK))
nbg++;
if (attr & TATTR_ACTCURS) {
nfg = NCOLOURS-2;
nbg = NCOLOURS-1;
}
fontid = shadow = 0;
if ((attr & ATTR_BOLD) && !cfg.bold_colour) {
if (inst->fonts[1])
fontid = 1;
else
shadow = 1;
}
if (lattr != LATTR_NORM) {
x *= 2;
if (x >= term->cols)
return;
if (x + len*2 > term->cols)
len = (term->cols-x)/2; /* trim to LH half */
}
gdk_gc_set_foreground(gc, &inst->cols[nbg]);
gdk_draw_rectangle(inst->pixmap, gc, 1,
x*inst->font_width+cfg.window_border,
y*inst->font_height+cfg.window_border,
len*inst->font_width, inst->font_height);
gdk_gc_set_foreground(gc, &inst->cols[nfg]);
gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
x*inst->font_width+cfg.window_border,
y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent,
text, len);
if (shadow) {
gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
x*inst->font_width+cfg.window_border + cfg.shadowboldoffset,
y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent,
text, len);
}
if (attr & ATTR_UNDER) {
int uheight = inst->fonts[0]->ascent + 1;
if (uheight >= inst->font_height)
uheight = inst->font_height - 1;
gdk_draw_line(inst->pixmap, gc, x*inst->font_width+cfg.window_border,
y*inst->font_height + uheight + cfg.window_border,
(x+len)*inst->font_width-1+cfg.window_border,
y*inst->font_height + uheight + cfg.window_border);
}
if (lattr != LATTR_NORM) {
/*
* 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;
for (i = 0; i < len * inst->font_width; i++) {
gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
x*inst->font_width+cfg.window_border + 2*i,
y*inst->font_height+cfg.window_border,
x*inst->font_width+cfg.window_border + 2*i+1,
y*inst->font_height+cfg.window_border,
len * inst->font_width - i, inst->font_height);
}
len *= 2;
if (lattr != LATTR_WIDE) {
int dt, db;
/* Now stretch vertically, in the same way. */
if (lattr == LATTR_BOT)
dt = 0, db = 1;
else
dt = 1, db = 0;
for (i = 0; i < inst->font_height; i+=2) {
gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
x*inst->font_width+cfg.window_border,
y*inst->font_height+cfg.window_border+dt*i+db,
x*inst->font_width+cfg.window_border,
y*inst->font_height+cfg.window_border+dt*(i+1),
len * inst->font_width, inst->font_height-i-1);
}
}
}
}
void do_text(Context ctx, int x, int y, char *text, int len,
unsigned long attr, int lattr)
{
GdkGC *gc = (GdkGC *)ctx;
do_text_internal(ctx, x, y, text, len, attr, lattr);
if (lattr != LATTR_NORM) {
x *= 2;
if (x >= term->cols)
return;
if (x + len*2 > term->cols)
len = (term->cols-x)/2; /* trim to LH half */
len *= 2;
}
gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
x*inst->font_width+cfg.window_border,
y*inst->font_height+cfg.window_border,
x*inst->font_width+cfg.window_border,
y*inst->font_height+cfg.window_border,
len*inst->font_width, inst->font_height);
}
void do_cursor(Context ctx, int x, int y, char *text, int len,
unsigned long attr, int lattr)
{
int passive;
GdkGC *gc = (GdkGC *)ctx;
if (attr & TATTR_PASCURS) {
attr &= ~TATTR_PASCURS;
passive = 1;
} else
passive = 0;
if ((attr & TATTR_ACTCURS) && cfg.cursor_type != 0) {
attr &= ~TATTR_ACTCURS;
}
do_text_internal(ctx, x, y, text, len, attr, lattr);
if (lattr != LATTR_NORM) {
x *= 2;
if (x >= term->cols)
return;
if (x + len*2 > term->cols)
len = (term->cols-x)/2; /* trim to LH half */
len *= 2;
}
if (cfg.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) {
gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
gdk_draw_rectangle(inst->pixmap, gc, 0,
x*inst->font_width+cfg.window_border,
y*inst->font_height+cfg.window_border,
len*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_NORM)
char_width = 2*inst->font_width;
else
char_width = inst->font_width;
if (cfg.cursor_type == 1) {
uheight = inst->fonts[0]->ascent + 1;
if (uheight >= inst->font_height)
uheight = inst->font_height - 1;
startx = x * inst->font_width + cfg.window_border;
starty = y * inst->font_height + cfg.window_border + uheight;
dx = 1;
dy = 0;
length = len * char_width;
} else {
int xadjust = 0;
if (attr & TATTR_RIGHTCURS)
xadjust = char_width - 1;
startx = x * inst->font_width + cfg.window_border + xadjust;
starty = y * inst->font_height + cfg.window_border;
dx = 0;
dy = 1;
length = inst->font_height;
}
gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
if (passive) {
for (i = 0; i < length; i++) {
if (i % 2 == 0) {
gdk_draw_point(inst->pixmap, gc, startx, starty);
}
startx += dx;
starty += dy;
}
} else {
gdk_draw_line(inst->pixmap, gc, startx, starty,
startx + (length-1) * dx, starty + (length-1) * dy);
}
}
gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
x*inst->font_width+cfg.window_border,
y*inst->font_height+cfg.window_border,
x*inst->font_width+cfg.window_border,
y*inst->font_height+cfg.window_border,
len*inst->font_width, inst->font_height);
}
GdkCursor *make_mouse_ptr(int cursor_val)
{
/*
* Truly hideous hack: GTK doesn't allow us to set the mouse
* cursor foreground and background colours unless we've _also_
* created our own cursor from bitmaps. Therefore, I need to
* load the `cursor' font and draw glyphs from it on to
* pixmaps, in order to construct my cursors with the fg and bg
* I want. This is a gross hack, but it's more self-contained
* than linking in Xlib to find the X window handle to
* inst->area and calling XRecolorCursor, and it's more
* futureproof than hard-coding the shapes as bitmap arrays.
*/
static GdkFont *cursor_font = NULL;
GdkPixmap *source, *mask;
GdkGC *gc;
GdkColor cfg = { 0, 65535, 65535, 65535 };
GdkColor cbg = { 0, 0, 0, 0 };
GdkColor dfg = { 1, 65535, 65535, 65535 };
GdkColor dbg = { 0, 0, 0, 0 };
GdkCursor *ret;
gchar text[2];
gint lb, rb, wid, asc, desc, w, h, x, y;
if (cursor_val == -2) {
gdk_font_unref(cursor_font);
return NULL;
}
if (cursor_val >= 0 && !cursor_font)
cursor_font = gdk_font_load("cursor");
/*
* Get the text extent of the cursor in question. We use the
* mask character for this, because it's typically slightly
* bigger than the main character.
*/
if (cursor_val >= 0) {
text[1] = '\0';
text[0] = (char)cursor_val + 1;
gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc);
w = rb-lb; h = asc+desc; x = -lb; y = asc;
} else {
w = h = 1;
x = y = 0;
}
source = gdk_pixmap_new(NULL, w, h, 1);
mask = gdk_pixmap_new(NULL, w, h, 1);
/*
* Draw the mask character on the mask pixmap.
*/
gc = gdk_gc_new(mask);
gdk_gc_set_foreground(gc, &dbg);
gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h);
if (cursor_val >= 0) {
text[1] = '\0';
text[0] = (char)cursor_val + 1;
gdk_gc_set_foreground(gc, &dfg);
gdk_draw_text(mask, cursor_font, gc, x, y, text, 1);
}
gdk_gc_unref(gc);
/*
* Draw the main character on the source pixmap.
*/
gc = gdk_gc_new(source);
gdk_gc_set_foreground(gc, &dbg);
gdk_draw_rectangle(source, gc, 1, 0, 0, w, h);
if (cursor_val >= 0) {
text[1] = '\0';
text[0] = (char)cursor_val;
gdk_gc_set_foreground(gc, &dfg);
gdk_draw_text(source, cursor_font, gc, x, y, text, 1);
}
gdk_gc_unref(gc);
/*
* Create the cursor.
*/
ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y);
/*
* Clean up.
*/
gdk_pixmap_unref(source);
gdk_pixmap_unref(mask);
return ret;
}
void modalfatalbox(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);
}
char *get_x_display(void)
{
return gdk_get_display();
}
char *app_name = "pterm";
int do_cmdline(int argc, char **argv, int do_everything)
{
int err = 0;
extern char **pty_argv; /* declared in pty.c */
/*
* Macros to make argument handling easier.
*/
#define EXPECTS_ARG do { \
if (--argc <= 0) { \
err = 1; \
fprintf(stderr, "pterm: %s expects an argument\n", p); \
} else \
val = *++argv; \
} while (0)
#define SECOND_PASS_ONLY do { \
if (!do_everything) continue; \
} while (0)
/*
* TODO:
*
* finish -geometry
*/
char *val;
while (--argc > 0) {
char *p = *++argv;
if (!strcmp(p, "-fn") || !strcmp(p, "-font")) {
EXPECTS_ARG;
SECOND_PASS_ONLY;
strncpy(cfg.font, val, sizeof(cfg.font));
cfg.font[sizeof(cfg.font)-1] = '\0';
} else if (!strcmp(p, "-fb")) {
EXPECTS_ARG;
SECOND_PASS_ONLY;
strncpy(cfg.boldfont, val, sizeof(cfg.boldfont));
cfg.boldfont[sizeof(cfg.boldfont)-1] = '\0';
} else if (!strcmp(p, "-geometry")) {
int flags, x, y, w, h;
EXPECTS_ARG;
SECOND_PASS_ONLY;
flags = XParseGeometry(val, &x, &y, &w, &h);
if (flags & WidthValue)
cfg.width = w;
if (flags & HeightValue)
cfg.height = h;
/*
* Apparently setting the initial window position is
* difficult in GTK 1.2. Not entirely sure why this
* should be. 2.0 has gtk_window_parse_geometry(),
* which would help... For the moment, though, I can't
* be bothered with this.
*/
} else if (!strcmp(p, "-sl")) {
EXPECTS_ARG;
SECOND_PASS_ONLY;
cfg.savelines = atoi(val);
} else if (!strcmp(p, "-fg") || !strcmp(p, "-bg") ||
!strcmp(p, "-bfg") || !strcmp(p, "-bbg") ||
!strcmp(p, "-cfg") || !strcmp(p, "-cbg")) {
GdkColor col;
EXPECTS_ARG;
SECOND_PASS_ONLY;
if (!gdk_color_parse(val, &col)) {
err = 1;
fprintf(stderr, "pterm: unable to parse colour \"%s\"\n", val);
} else {
int index;
index = (!strcmp(p, "-fg") ? 0 :
!strcmp(p, "-bg") ? 2 :
!strcmp(p, "-bfg") ? 1 :
!strcmp(p, "-bbg") ? 3 :
!strcmp(p, "-cfg") ? 4 :
!strcmp(p, "-cbg") ? 5 : -1);
assert(index != -1);
cfg.colours[index][0] = col.red / 256;
cfg.colours[index][1] = col.green / 256;
cfg.colours[index][2] = col.blue / 256;
}
} else if (!strcmp(p, "-e")) {
/* This option swallows all further arguments. */
if (!do_everything)
break;
if (--argc > 0) {
int i;
pty_argv = smalloc((argc+1) * sizeof(char *));
++argv;
for (i = 0; i < argc; i++)
pty_argv[i] = argv[i];
pty_argv[argc] = NULL;
break; /* finished command-line processing */
} else
err = 1, fprintf(stderr, "pterm: -e expects an argument\n");
} else if (!strcmp(p, "-T")) {
EXPECTS_ARG;
SECOND_PASS_ONLY;
strncpy(cfg.wintitle, val, sizeof(cfg.wintitle));
cfg.wintitle[sizeof(cfg.wintitle)-1] = '\0';
} else if (!strcmp(p, "-log")) {
EXPECTS_ARG;
SECOND_PASS_ONLY;
strncpy(cfg.logfilename, val, sizeof(cfg.logfilename));
cfg.logfilename[sizeof(cfg.logfilename)-1] = '\0';
cfg.logtype = LGTYP_DEBUG;
} else if (!strcmp(p, "-ut-") || !strcmp(p, "+ut")) {
SECOND_PASS_ONLY;
cfg.stamp_utmp = 0;
} else if (!strcmp(p, "-ut")) {
SECOND_PASS_ONLY;
cfg.stamp_utmp = 1;
} else if (!strcmp(p, "-ls-") || !strcmp(p, "+ls")) {
SECOND_PASS_ONLY;
cfg.login_shell = 0;
} else if (!strcmp(p, "-ls")) {
SECOND_PASS_ONLY;
cfg.login_shell = 1;
} else if (!strcmp(p, "-nethack")) {
SECOND_PASS_ONLY;
cfg.nethack_keypad = 1;
} else if (!strcmp(p, "-sb-") || !strcmp(p, "+sb")) {
SECOND_PASS_ONLY;
cfg.scrollbar = 0;
} else if (!strcmp(p, "-sb")) {
SECOND_PASS_ONLY;
cfg.scrollbar = 0;
} else if (!strcmp(p, "-name")) {
EXPECTS_ARG;
app_name = val;
} else if (!strcmp(p, "-xrm")) {
EXPECTS_ARG;
provide_xrm_string(val);
} else {
err = 1;
fprintf(stderr, "pterm: unrecognized option '%s'\n", p);
}
}
return err;
}
int main(int argc, char **argv)
{
extern int pty_master_fd; /* declared in pty.c */
extern void pty_pre_init(void); /* declared in pty.c */
pty_pre_init();
gtk_init(&argc, &argv);
if (do_cmdline(argc, argv, 0)) /* pre-defaults pass to get -class */
exit(1);
do_defaults(NULL, &cfg);
if (do_cmdline(argc, argv, 1)) /* post-defaults, do everything */
exit(1);
/*
* Initialise the whole instance structure to zeroes
*/
memset(inst, 0, sizeof(*inst));
inst->fonts[0] = gdk_font_load(cfg.font);
if (!inst->fonts[0]) {
fprintf(stderr, "pterm: unable to load font \"%s\"\n", cfg.font);
exit(1);
}
if (cfg.boldfont[0]) {
inst->fonts[1] = gdk_font_load(cfg.boldfont);
if (!inst->fonts[1]) {
fprintf(stderr, "pterm: unable to load bold font \"%s\"\n",
cfg.boldfont);
exit(1);
}
} else
inst->fonts[1] = NULL;
inst->font_width = gdk_char_width(inst->fonts[0], ' ');
inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
inst->compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
init_ucs();
inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
if (cfg.wintitle[0])
set_title(cfg.wintitle);
else
set_title("pterm");
/*
* Set up the colour map.
*/
palette_reset();
inst->area = gtk_drawing_area_new();
gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
inst->font_width * cfg.width + 2*cfg.window_border,
inst->font_height * cfg.height + 2*cfg.window_border);
if (cfg.scrollbar) {
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));
if (cfg.scrollbar) {
if (cfg.scrollbar_on_left)
gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
else
gtk_box_pack_end(inst->hbox, inst->sbar, FALSE, FALSE, 0);
}
gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0);
gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox));
{
GdkGeometry geom;
geom.min_width = inst->font_width + 2*cfg.window_border;
geom.min_height = inst->font_height + 2*cfg.window_border;
geom.max_width = geom.max_height = -1;
geom.base_width = 2*cfg.window_border;
geom.base_height = 2*cfg.window_border;
geom.width_inc = inst->font_width;
geom.height_inc = inst->font_height;
geom.min_aspect = geom.max_aspect = 0;
gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom,
GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
GDK_HINT_RESIZE_INC);
}
gtk_signal_connect(GTK_OBJECT(inst->window), "destroy",
GTK_SIGNAL_FUNC(destroy), inst);
gtk_signal_connect(GTK_OBJECT(inst->window), "delete_event",
GTK_SIGNAL_FUNC(delete_window), inst);
gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event",
GTK_SIGNAL_FUNC(key_event), inst);
gtk_signal_connect(GTK_OBJECT(inst->window), "key_release_event",
GTK_SIGNAL_FUNC(key_event), inst);
gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event",
GTK_SIGNAL_FUNC(focus_event), inst);
gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event",
GTK_SIGNAL_FUNC(focus_event), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
GTK_SIGNAL_FUNC(configure_area), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
GTK_SIGNAL_FUNC(expose_area), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
GTK_SIGNAL_FUNC(button_event), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
GTK_SIGNAL_FUNC(button_event), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
GTK_SIGNAL_FUNC(motion_event), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
GTK_SIGNAL_FUNC(selection_received), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
GTK_SIGNAL_FUNC(selection_get), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
GTK_SIGNAL_FUNC(selection_clear), inst);
if (cfg.scrollbar)
gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
GTK_SIGNAL_FUNC(scrollbar_moved), inst);
gtk_timeout_add(20, timer_func, 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);
gtk_widget_show(inst->area);
if (cfg.scrollbar)
gtk_widget_show(inst->sbar);
gtk_widget_show(GTK_WIDGET(inst->hbox));
gtk_widget_show(inst->window);
set_window_background();
inst->textcursor = make_mouse_ptr(GDK_XTERM);
inst->rawcursor = make_mouse_ptr(GDK_LEFT_PTR);
inst->blankcursor = make_mouse_ptr(-1);
make_mouse_ptr(-2); /* clean up cursor font */
inst->currcursor = inst->textcursor;
show_mouseptr(1);
term = term_init();
back = &pty_backend;
back->init((void *)term, &backhandle, NULL, 0, NULL, 0);
term_size(term, cfg.height, cfg.width, cfg.savelines);
ldisc_send(NULL, 0, 0); /* cause ldisc to notice changes */
inst->master_fd = pty_master_fd;
inst->exited = FALSE;
inst->master_func_id = gdk_input_add(pty_master_fd, GDK_INPUT_READ,
pty_input_func, inst);
gtk_main();
return 0;
}