/*
* Copyright (c) Tony Bybell 2006-2009.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*/
#include "globals.h"
#include <config.h>
#include "busy.h"
static int inside_iteration = 0;
void gtk_events_pending_gtk_main_iteration(void)
{
inside_iteration++;
while (gtk_events_pending()) gtk_main_iteration();
inside_iteration--;
}
gboolean in_main_iteration(void)
{
return(inside_iteration != 0);
}
gboolean ignore_context_swap(void)
{
return(GLOBALS->splash_is_loading != 0);
}
static void GuiDoEvent(GdkEvent *event, gpointer data)
{
(void)data;
if(!GLOBALS->busy_busy_c_1)
{
gtk_main_do_event(event);
}
else
{
/* filter out user input when we're "busy" */
/* originally we allowed these two sets only... */
/* usual expose events */
/* case GDK_CONFIGURE: */
/* case GDK_EXPOSE: */
/* needed to keep dnd from hanging */
/* case GDK_ENTER_NOTIFY: */
/* case GDK_LEAVE_NOTIFY: */
/* case GDK_FOCUS_CHANGE: */
/* case GDK_MAP: */
/* now it has been updated to remove keyboard/mouse input */
switch (event->type)
{
/* more may be needed to be added in the future */
case GDK_MOTION_NOTIFY:
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
case GDK_KEY_PRESS:
case GDK_KEY_RELEASE:
#if GTK_CHECK_VERSION(2,6,0)
case GDK_SCROLL:
#endif
/* printf("event->type: %d\n", event->type); */
break;
default:
gtk_main_do_event(event);
/* printf("event->type: %d\n", event->type); */
break;
}
}
}
void gtkwave_main_iteration(void)
{
if(GLOBALS->partial_vcd)
{
gtk_events_pending_gtk_main_iteration();
}
else
{
struct Global *g_old = GLOBALS;
struct Global *gcache = NULL;
set_window_busy(NULL);
while (gtk_events_pending())
{
gtk_main_iteration();
if(GLOBALS != g_old)
{
/* this should never happen! */
/* if it does, the program state is probably screwed */
fprintf(stderr, "GTKWAVE | WARNING: globals changed during gtkwave_main_iteration()!\n");
gcache = GLOBALS;
}
}
set_GLOBALS(g_old);
set_window_idle(NULL);
if(gcache)
{
set_GLOBALS(gcache);
}
}
}
void init_busy(void)
{
GLOBALS->busycursor_busy_c_1 = gdk_cursor_new(GDK_WATCH);
gdk_event_handler_set((GdkEventFunc)GuiDoEvent, NULL, NULL);
}
void set_window_busy_no_refresh(GtkWidget *w)
{
unsigned int i;
/* if(GLOBALS->tree_dnd_begin) return; */
if(!GLOBALS->busy_busy_c_1)
{
if(w) gdk_window_set_cursor (w->window, GLOBALS->busycursor_busy_c_1);
else
if(GLOBALS->mainwindow) gdk_window_set_cursor (GLOBALS->mainwindow->window, GLOBALS->busycursor_busy_c_1);
}
GLOBALS->busy_busy_c_1++;
for(i=0;i<GLOBALS->num_notebook_pages;i++)
{
(*GLOBALS->contexts)[i]->busy_busy_c_1 = GLOBALS->busy_busy_c_1;
}
}
void set_window_busy(GtkWidget *w)
{
set_window_busy_no_refresh(w);
busy_window_refresh();
}
void set_window_idle(GtkWidget *w)
{
unsigned int i;
/* if(GLOBALS->tree_dnd_begin) return; */
if(GLOBALS->busy_busy_c_1)
{
if(GLOBALS->busy_busy_c_1 <= 1) /* defensively, in case something causes the value to go below zero */
{
if(w) gdk_window_set_cursor (w->window, NULL);
else
if(GLOBALS->mainwindow) gdk_window_set_cursor (GLOBALS->mainwindow->window, NULL);
}
GLOBALS->busy_busy_c_1--;
for(i=0;i<GLOBALS->num_notebook_pages;i++)
{
(*GLOBALS->contexts)[i]->busy_busy_c_1 = GLOBALS->busy_busy_c_1;
}
}
}
void busy_window_refresh(void)
{
if(GLOBALS->busy_busy_c_1)
{
gtk_events_pending_gtk_main_iteration();
}
}