Add hidden option for enabling non-modal dialogs.

gtk/src/gtk_config.cpp

@@ -172,6 +172,7 @@ Snes9xConfig::load_defaults (void)
     netplay_last_rom [0] = '\0';
     netplay_last_host [0] = '\0';
     netplay_last_port = 6096;
+    modal_dialogs = 1;
 
 #ifdef USE_OPENGL
     bilinear_filter = 0;
@@ -307,6 +308,7 @@ Snes9xConfig::save_config_file (void)
         xml_out_int (xml, "fullscreen", fullscreen);
     xml_out_int (xml, "ui_visible", ui_visible);
     xml_out_int (xml, "statusbar_visible", statusbar_visible);
+    xml_out_int (xml, "modal_dialogs", modal_dialogs);
 
     xml_out_float (xml, "ntsc_hue", ntsc_setup.hue);
     xml_out_float (xml, "ntsc_saturation", ntsc_setup.saturation);
@@ -661,6 +663,10 @@ Snes9xConfig::set_option (const char *name, const char *value)
     {
         strncpy (export_directory, value, PATH_MAX);
     }
+    else if (!strcasecmp (name, "modal_dialogs"))
+    {
+        modal_dialogs = atoi (value) ? 1 : 0;
+    }
     else if (!strcasecmp (name, "window_width"))
     {
         window_width = atoi (value);

gtk/src/gtk_config.h

@@ -123,6 +123,7 @@ class Snes9xConfig
         int           pause_emulation_on_switch;
         int           num_threads;
         unsigned char screensaver_needs_reset;
+        int           modal_dialogs;
 
         int            pointer_is_visible;
         struct timeval pointer_timestamp;

gtk/src/gtk_s9xwindow.cpp

@@ -1846,7 +1846,7 @@ Snes9xWindow::toggle_ui (void)
 void
 Snes9xWindow::pause_from_focus_change (void)
 {
-    sys_pause++;
+    sys_pause += config->modal_dialogs;
 
     propagate_pause_state ();
 
@@ -1856,7 +1856,8 @@ Snes9xWindow::pause_from_focus_change (void)
 void
 Snes9xWindow::unpause_from_focus_change (void)
 {
-    sys_pause--;
+    if (--sys_pause < 0)
+        sys_pause = 0;
     propagate_pause_state ();
 
     return;

gtk/src/gtk_s9xwindow.h

@@ -68,8 +68,7 @@ class Snes9xWindow : public GtkBuilderWindow
         void expose (GdkEventExpose *event);
 
         Snes9xConfig   *config;
-        unsigned char  user_pause;
-        unsigned char  sys_pause;
+        int            user_pause, sys_pause;
         int            last_width, last_height;
         int            mouse_region_x, mouse_region_y;
         int            mouse_region_width, mouse_region_height;