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Expand the dialog registering/unregistering system.

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Now it has several 'slots', each named for a particular class of
subsidiary dialog box that a session window can have at most one of,
and register_network_prompt_dialog has a more general name and takes
an enum-typed argument identifying a slot. This lets me avoid writing
a zillion annoyingly similar function pairs and corresponding snippets
of cleanup code in delete_inst.
This commit is contained in:
Simon Tatham
2017-11-26 16:51:19 +00:00
parent f212e2cbea
commit 86741a1b09
3 changed files with 34 additions and 27 deletions
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42
unix/gtkwin.c
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@ -130,8 +130,7 @@ struct gui_data {
Conf *conf;
void *eventlogstuff;
guint32 input_event_time; /* Timestamp of the most recent input event. */
GtkWidget *reconfigure_dialog;
GtkWidget *network_prompt_dialog;
GtkWidget *dialogs[DIALOG_SLOT_LIMIT];
#if GTK_CHECK_VERSION(3,4,0)
gdouble cumulative_scroll;
#endif
@ -313,17 +312,19 @@ GtkWidget *get_window(void *frontend)
* network code wanting to ask an asynchronous user question (e.g.
* 'what about this dodgy host key, then?').
*/
void register_network_prompt_dialog(void *frontend, GtkWidget *dialog)
void register_dialog(void *frontend, enum DialogSlot slot, GtkWidget *dialog)
{
struct gui_data *inst = (struct gui_data *)frontend;
assert(!inst->network_prompt_dialog);
inst->network_prompt_dialog = dialog;
assert(slot < DIALOG_SLOT_LIMIT);
assert(!inst->dialogs[slot]);
inst->dialogs[slot] = dialog;
}
void unregister_network_prompt_dialog(void *frontend)
void unregister_dialog(void *frontend, enum DialogSlot slot)
{
struct gui_data *inst = (struct gui_data *)frontend;
assert(inst->network_prompt_dialog);
inst->network_prompt_dialog = NULL;
assert(slot < DIALOG_SLOT_LIMIT);
assert(inst->dialogs[slot]);
inst->dialogs[slot] = NULL;
}
/*
@ -2039,13 +2040,12 @@ void notify_remote_exit(void *frontend)
static void delete_inst(struct gui_data *inst)
{
if (inst->reconfigure_dialog) {
gtk_widget_destroy(inst->reconfigure_dialog);
inst->reconfigure_dialog = NULL;
}
if (inst->network_prompt_dialog) {
gtk_widget_destroy(inst->network_prompt_dialog);
inst->network_prompt_dialog = NULL;
int dialog_slot;
for (dialog_slot = 0; dialog_slot < DIALOG_SLOT_LIMIT; dialog_slot++) {
if (inst->dialogs[dialog_slot]) {
gtk_widget_destroy(inst->dialogs[dialog_slot]);
inst->dialogs[dialog_slot] = NULL;
}
}
if (inst->window) {
gtk_widget_destroy(inst->window);
@ -4005,17 +4005,18 @@ void change_settings_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
struct after_change_settings_dialog_ctx *ctx;
GtkWidget *dialog;
char *title;
if (inst->reconfigure_dialog) {
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(inst->reconfigure_dialog));
gtk_window_deiconify(GTK_WINDOW(dialog));
#endif
gdk_window_raise(gtk_widget_get_window(inst->reconfigure_dialog));
gdk_window_raise(gtk_widget_get_window(dialog));
return;
}
@ -4025,10 +4026,11 @@ void change_settings_menuitem(GtkMenuItem *item, gpointer data)
ctx->inst = inst;
ctx->newconf = conf_copy(inst->conf);
inst->reconfigure_dialog = create_config_box(
dialog = create_config_box(
title, ctx->newconf, 1,
inst->back ? inst->back->cfg_info(inst->backhandle) : 0,
after_change_settings_dialog, ctx);
register_dialog(inst, DIALOG_SLOT_RECONFIGURE, dialog);
sfree(title);
}
@ -4058,7 +4060,7 @@ static void after_change_settings_dialog(void *vctx, int retval)
assert(lenof(ww) == NCFGCOLOURS);
inst->reconfigure_dialog = NULL;
unregister_dialog(inst, DIALOG_SLOT_RECONFIGURE);
if (retval) {
inst->conf = newconf;