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Reimplement 'really close session?' as a non-modal message box.

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I've also moved it out into gtkwin.c, because it seemed easier to do
the 'find existing instance of this dialog and raise it' dance there
than to split it across source files pointlessly.
This commit is contained in:
Simon Tatham 2017-11-26 17:21:32 +00:00
parent 71ed04dbc3
commit a8e9fd7860
3 changed files with 55 additions and 24 deletions
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11
unix/gtkdlg.c
View File

@ -3467,17 +3467,6 @@ int message_box(
return retval;
}
int reallyclose(void *frontend)
{
char *title = dupcat(appname, " Exit Confirmation", NULL);
int ret = message_box(GTK_WIDGET(get_window(frontend)), title,
"Are you sure you want to close this session?",
string_width("Most of the width of the above text"),
FALSE, &buttons_yn);
sfree(title);
return ret;
}
struct verify_ssh_host_key_result_ctx {
char *host;
int port;

66
unix/gtkwin.c
View File

@ -450,6 +450,25 @@ void get_window_pixels(void *frontend, int *x, int *y)
#endif
}
/*
* Find out whether a dialog box already exists for this window in a
* particular DialogSlot. If it does, uniconify it (if we can) and
* raise it, so that the user realises they've already been asked this
* question.
*/
static int find_and_raise_dialog(struct gui_data *inst, enum DialogSlot slot)
{
GtkWidget *dialog = inst->dialogs[slot];
if (!dialog)
return FALSE;
#if GTK_CHECK_VERSION(2,0,0)
gtk_window_deiconify(GTK_WINDOW(dialog));
#endif
gdk_window_raise(gtk_widget_get_window(dialog));
return TRUE;
}
/*
* Return the window or icon title.
*/
@ -459,12 +478,44 @@ char *get_window_title(void *frontend, int icon)
return icon ? inst->icontitle : inst->wintitle;
}
static void warn_on_close_callback(void *vctx, int result)
{
struct gui_data *inst = (struct gui_data *)vctx;
unregister_dialog(inst, DIALOG_SLOT_WARN_ON_CLOSE);
if (result)
gtk_widget_destroy(inst->window);
}
/*
* Handle the 'delete window' event (e.g. user clicking the WM close
* button). The return value FALSE means the window should close, and
* TRUE means it shouldn't.
*
* (That's counterintuitive, but really, in GTK terms, TRUE means 'I
* have done everything necessary to handle this event, so the default
* handler need not do anything', i.e. 'suppress default handler',
* i.e. 'do not close the window'.)
*/
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;
/*
* We're not going to exit right now. We must put up a
* warn-on-close dialog, unless one already exists, in which
* case we'll just re-emphasise that one.
*/
if (!find_and_raise_dialog(inst, DIALOG_SLOT_WARN_ON_CLOSE)) {
char *title = dupcat(appname, " Exit Confirmation", NULL);
GtkWidget *dialog = create_message_box(
inst->window, title,
"Are you sure you want to close this session?",
string_width("Most of the width of the above text"),
FALSE, &buttons_yn, warn_on_close_callback, inst);
register_dialog(inst, DIALOG_SLOT_WARN_ON_CLOSE, dialog);
sfree(title);
}
return TRUE;
}
return FALSE;
}
@ -4008,17 +4059,8 @@ void change_settings_menuitem(GtkMenuItem *item, gpointer data)
GtkWidget *dialog;
char *title;
if ((dialog = inst->dialogs[DIALOG_SLOT_RECONFIGURE]) != NULL) {
/*
* If this window already had a Change Settings box open, just
* find it and try to make it more prominent.
*/
#if GTK_CHECK_VERSION(2,0,0)
gtk_window_deiconify(GTK_WINDOW(dialog));
#endif
gdk_window_raise(gtk_widget_get_window(dialog));
if (find_and_raise_dialog(inst, DIALOG_SLOT_RECONFIGURE))
return;
}
title = dupcat(appname, " Reconfiguration", NULL);

2
unix/unix.h
View File

@ -154,6 +154,7 @@ enum DialogSlot {
DIALOG_SLOT_RECONFIGURE,
DIALOG_SLOT_NETWORK_PROMPT,
DIALOG_SLOT_LOGFILE_PROMPT,
DIALOG_SLOT_WARN_ON_CLOSE,
DIALOG_SLOT_LIMIT /* must remain last */
};
void register_dialog(void *frontend, enum DialogSlot slot, GtkWidget *dialog);
@ -173,7 +174,6 @@ void about_box(void *window);
void *eventlogstuff_new(void);
void showeventlog(void *estuff, void *parentwin);
void logevent_dlg(void *estuff, const char *string);
int reallyclose(void *frontend);
#ifdef MAY_REFER_TO_GTK_IN_HEADERS
struct message_box_button {
const char *title;