2 * Author: Owen Taylor <otaylor@redhat.com>
3 * Copyright © 2010 Red Hat, Inc.
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.
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.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
24 static int window_count = 0;
25 const char *geometry_string;
28 on_window_destroy (GtkWidget *widget)
31 if (window_count == 0)
36 on_drawing_area_draw (GtkWidget *drawing_area,
40 int width = gtk_widget_get_allocated_width (drawing_area);
41 int height = gtk_widget_get_allocated_height (drawing_area);
44 GdkWindowHints mask = GPOINTER_TO_UINT(data);
46 cairo_set_source_rgb (cr, 1, 1, 1);
49 if ((mask & GDK_HINT_BASE_SIZE) != 0)
52 cairo_set_source_rgb (cr, 0, 0, 0);
53 for (y = 0; y < height - 2 * border; y += GRID_SIZE)
54 for (x = 0; x < width - 2 * border; x += GRID_SIZE)
55 if (((x + y) / GRID_SIZE) % 2 == 0)
57 cairo_rectangle (cr, border + x, border + y, GRID_SIZE, GRID_SIZE);
63 cairo_set_source_rgb (cr, 0, 0, 1);
65 cairo_set_line_width (cr, border);
67 border / 2., border / 2., width - border, height - border);
75 on_resize_clicked (GtkWidget *button,
78 GtkWidget *window = gtk_widget_get_toplevel (button);
79 GdkWindowHints mask = GPOINTER_TO_UINT(data);
81 if ((mask & GDK_HINT_RESIZE_INC) != 0)
82 gtk_window_resize_to_geometry (GTK_WINDOW (window), 8, 8);
84 gtk_window_resize_to_geometry (GTK_WINDOW (window), 8 * GRID_SIZE, 8 * GRID_SIZE);
88 create_window (GdkWindowHints mask)
91 GtkWidget *drawing_area;
96 GString *label_text = g_string_new (NULL);
99 if ((mask & GDK_HINT_RESIZE_INC) != 0)
100 g_string_append (label_text, "Gridded\n");
101 if ((mask & GDK_HINT_BASE_SIZE) != 0)
102 g_string_append (label_text, "Base\n");
103 if ((mask & GDK_HINT_MIN_SIZE) != 0)
105 g_string_append (label_text, "Minimum\n");
106 if ((mask & GDK_HINT_BASE_SIZE) == 0)
107 g_string_append (label_text, "(base=min)\n");
109 if ((mask & GDK_HINT_MAX_SIZE) != 0)
110 g_string_append (label_text, "Maximum\n");
112 if (label_text->len > 0)
113 g_string_erase (label_text, label_text->len - 1, 1);
115 g_string_append (label_text, "No Options");
117 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
118 g_signal_connect (window, "destroy",
119 G_CALLBACK (on_window_destroy), NULL);
121 grid = gtk_grid_new ();
122 gtk_container_set_border_width (GTK_CONTAINER (grid), 10);
124 label = gtk_label_new (label_text->str);
125 gtk_widget_set_hexpand (label, TRUE);
126 gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
128 label = gtk_label_new ("A\nB\nC\nD\nE");
129 gtk_grid_attach (GTK_GRID (grid), label, 1, 1, 1, 1);
131 drawing_area = gtk_drawing_area_new ();
132 g_signal_connect (drawing_area, "draw",
133 G_CALLBACK (on_drawing_area_draw),
134 GUINT_TO_POINTER (mask));
135 gtk_widget_set_hexpand (drawing_area, TRUE);
136 gtk_widget_set_vexpand (drawing_area, TRUE);
137 gtk_grid_attach (GTK_GRID (grid), drawing_area, 0, 1, 1, 1);
139 button = gtk_button_new_with_label ("Resize");
140 g_signal_connect (button, "clicked",
141 G_CALLBACK (on_resize_clicked),
142 GUINT_TO_POINTER (mask));
143 gtk_widget_set_hexpand (button, TRUE);
144 gtk_grid_attach (GTK_GRID (grid), button, 0, 2, 1, 1);
146 gtk_container_add (GTK_CONTAINER (window), grid);
148 if ((mask & GDK_HINT_BASE_SIZE) != 0)
151 geometry.base_width = border * 2;
152 geometry.base_height = border * 2;
155 if ((mask & GDK_HINT_RESIZE_INC) != 0)
157 geometry.width_inc = GRID_SIZE;
158 geometry.height_inc = GRID_SIZE;
161 if ((mask & GDK_HINT_MIN_SIZE) != 0)
163 geometry.min_width = 5 * GRID_SIZE + 2 * border;
164 geometry.min_height = 5 * GRID_SIZE + 2 * border;
167 if ((mask & GDK_HINT_MAX_SIZE) != 0)
169 geometry.max_width = 15 * GRID_SIZE + 2 * border;
170 geometry.max_height = 15 * GRID_SIZE + 2 * border;
173 /* Contents must be set up before gtk_window_parse_geometry() */
174 gtk_widget_show_all (grid);
176 gtk_window_set_geometry_hints (GTK_WINDOW (window),
181 if ((mask & GDK_HINT_RESIZE_INC) != 0)
184 gtk_window_parse_geometry (GTK_WINDOW (window), geometry_string);
186 gtk_window_set_default_geometry (GTK_WINDOW (window), 10, 10);
190 gtk_window_set_default_geometry (GTK_WINDOW (window), 10 * GRID_SIZE, 10 * GRID_SIZE);
193 gtk_widget_show (window);
198 main(int argc, char **argv)
201 GOptionEntry options[] = {
202 { "geometry", 'g', 0, G_OPTION_ARG_STRING, &geometry_string, "Window geometry (only for gridded windows)", "GEOMETRY" },
206 if (!gtk_init_with_args (&argc, &argv, "", options, NULL, &error))
208 g_print ("Failed to parse args: %s\n", error->message);
209 g_error_free (error);
213 create_window (GDK_HINT_MIN_SIZE);
214 create_window (GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE);
215 create_window (GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE);
216 create_window (GDK_HINT_RESIZE_INC | GDK_HINT_MIN_SIZE);
217 create_window (GDK_HINT_RESIZE_INC | GDK_HINT_MAX_SIZE);
218 create_window (GDK_HINT_RESIZE_INC | GDK_HINT_BASE_SIZE);
219 create_window (GDK_HINT_RESIZE_INC | GDK_HINT_BASE_SIZE | GDK_HINT_MIN_SIZE);