1 /* testmultidisplay.c
2  * Copyright (C) 2001 Sun Microsystems Inc.
3  * Author: Erwann Chenede <erwann.chenede@sun.com>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public
16  * License along with this library; if not, write to the
17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18  * Boston, MA 02111-1307, USA.
19  */
20 
21 #include "config.h"
22 #include <gtk/gtk.h>
23 
24 static GtkWidget **images;
25 static GtkWidget **vbox;
26 
27 static void
hello(GtkWidget * button,char * label)28 hello (GtkWidget * button, char *label)
29 {
30   g_print ("Click from %s\n", label);
31 }
32 
33 static void
show_hide(GtkWidget * button,gpointer data)34 show_hide (GtkWidget * button, gpointer data)
35 {
36   gint num_screen = GPOINTER_TO_INT (data);
37 
38   static gboolean visible = TRUE;
39   if (visible)
40     {
41       gtk_widget_hide (images[num_screen]);
42       gtk_button_set_label (GTK_BUTTON (button), "Show Icon");
43       visible = FALSE;
44     }
45   else
46     {
47       gtk_widget_show (images[num_screen]);
48       gtk_button_set_label (GTK_BUTTON (button), "Hide Icon");
49       visible = TRUE;
50     }
51 }
52 
53 static void
move(GtkWidget * button,GtkVBox * vbox)54 move (GtkWidget *button, GtkVBox *vbox)
55 {
56   GdkScreen *screen = gtk_widget_get_screen (button);
57   GtkWidget *toplevel = gtk_widget_get_toplevel (button);
58   GtkWidget *new_toplevel;
59   GdkDisplay *display = gdk_screen_get_display (screen);
60   gint number_of_screens = gdk_display_get_n_screens (display);
61   gint screen_num = gdk_screen_get_number (screen);
62 
63   g_print ("This button is on screen %d\n", gdk_screen_get_number (screen));
64 
65   new_toplevel = gtk_window_new (GTK_WINDOW_TOPLEVEL);
66 
67   if ((screen_num +1) < number_of_screens)
68     gtk_window_set_screen (GTK_WINDOW (new_toplevel),
69 			   gdk_display_get_screen (display,
70 						   screen_num + 1));
71   else
72     gtk_window_set_screen (GTK_WINDOW (new_toplevel),
73 			   gdk_display_get_screen (display, 0));
74 
75   gtk_widget_reparent (GTK_WIDGET (vbox), new_toplevel);
76   gtk_widget_destroy (toplevel);
77   gtk_widget_show_all (new_toplevel);
78 }
79 
80 
81 int
main(int argc,char * argv[])82 main (int argc, char *argv[])
83 {
84   GtkWidget **window;
85   GtkWidget *moving_window, *moving_button, *moving_vbox, *moving_image;
86   gint num_screen = 0;
87   gchar *displayname = NULL;
88   gint i;
89   GdkScreen **screen_list;
90   GdkDisplay *dpy;
91   GSList *ids;
92 
93   gtk_init (&argc, &argv);
94 
95   dpy = gdk_display_get_default ();
96   num_screen = gdk_display_get_n_screens (dpy);
97   displayname = g_strdup (gdk_display_get_name (dpy));
98   g_print ("This X Server (%s) manages %d screen(s).\n",
99 	   displayname, num_screen);
100   screen_list = g_new (GdkScreen *, num_screen);
101   window = g_new (GtkWidget *, num_screen);
102   images = g_new (GtkWidget *, num_screen);
103   vbox = g_new (GtkWidget *, num_screen);
104 
105   ids = gtk_stock_list_ids ();
106 
107   for (i = 0; i < num_screen; i++)
108     {
109       char *label = g_strdup_printf ("Screen %d", i);
110       GtkWidget *button;
111 
112       screen_list[i] = gdk_display_get_screen (dpy, i);
113 
114       window[i] = g_object_new (GTK_TYPE_WINDOW,
115 				  "screen", screen_list[i],
116 				  "user_data", NULL,
117 				  "type", GTK_WINDOW_TOPLEVEL,
118 				  "title", label,
119 				  "allow_grow", FALSE,
120 				  "allow_shrink", FALSE,
121 				  "border_width", 10, NULL,
122 				  NULL);
123       g_signal_connect (window[i], "destroy",
124 			G_CALLBACK (gtk_main_quit), NULL);
125 
126       vbox[i] = gtk_vbox_new (TRUE, 0);
127       gtk_container_add (GTK_CONTAINER (window[i]), vbox[i]);
128 
129       button = g_object_new (GTK_TYPE_BUTTON,
130 			       "label", label,
131 			       "parent", vbox[i],
132 			       "visible", TRUE, NULL,
133 			       NULL);
134       g_signal_connect (button, "clicked",
135 			G_CALLBACK (hello), label);
136 
137       images[i] = gtk_image_new_from_stock (g_slist_nth (ids, i+1)->data,
138 					     GTK_ICON_SIZE_BUTTON);
139 
140       gtk_container_add (GTK_CONTAINER (vbox[i]), images[i]);
141 
142       button = g_object_new (GTK_TYPE_BUTTON,
143 			       "label", "Hide Icon",
144 			       "parent", vbox[i],
145 			       "visible", TRUE, NULL,
146 			       NULL);
147       g_signal_connect (button, "clicked",
148 			G_CALLBACK (show_hide), GINT_TO_POINTER (i));
149     }
150 
151   for (i = 0; i < num_screen; i++)
152     gtk_widget_show_all (window[i]);
153 
154   moving_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
155   moving_vbox = gtk_vbox_new (TRUE, 0);
156 
157   gtk_container_add (GTK_CONTAINER (moving_window), moving_vbox);
158   moving_button = g_object_new (GTK_TYPE_BUTTON,
159 				  "label", "Move to Next Screen",
160 				  "visible", TRUE,
161 				  NULL);
162 
163   g_signal_connect (moving_button, "clicked",
164 		    G_CALLBACK (move), moving_vbox);
165 
166   gtk_container_add (GTK_CONTAINER (moving_vbox), moving_button);
167 
168   moving_image = gtk_image_new_from_stock (g_slist_nth (ids, num_screen + 2)->data,
169 					   GTK_ICON_SIZE_BUTTON);
170   gtk_container_add (GTK_CONTAINER (moving_vbox), moving_image);
171   gtk_widget_show_all (moving_window);
172 
173   gtk_main ();
174 
175   return 0;
176 }
177