/* testgeometry.c
* Author: Owen Taylor <otaylor@redhat.com>
* Copyright © 2010 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gtk/gtk.h>
#define GRID_SIZE 20
#define BORDER 6
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
static int window_count = 0;
const char *geometry_string;
static void
on_window_destroy (GtkWidget *widget)
{
window_count--;
if (window_count == 0)
gtk_main_quit();
}
static gboolean
on_drawing_area_draw (GtkWidget *drawing_area,
cairo_t *cr,
gpointer data)
{
int width = gtk_widget_get_allocated_width (drawing_area);
int height = gtk_widget_get_allocated_height (drawing_area);
int x, y;
int border = 0;
GdkWindowHints mask = GPOINTER_TO_UINT(data);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
if ((mask & GDK_HINT_BASE_SIZE) != 0)
border = BORDER;
cairo_set_source_rgb (cr, 0, 0, 0);
for (y = 0; y < height - 2 * border; y += GRID_SIZE)
for (x = 0; x < width - 2 * border; x += GRID_SIZE)
if (((x + y) / GRID_SIZE) % 2 == 0)
{
cairo_rectangle (cr, border + x, border + y, GRID_SIZE, GRID_SIZE);
cairo_fill (cr);
}
if (border > 0)
{
cairo_set_source_rgb (cr, 0, 0, 1);
cairo_save (cr);
cairo_set_line_width (cr, border);
cairo_rectangle (cr,
border / 2., border / 2., width - border, height - border);
cairo_stroke (cr);
}
return FALSE;
}
static void
on_resize_clicked (GtkWidget *button,
gpointer data)
{
GtkWidget *window = gtk_widget_get_toplevel (button);
GdkWindowHints mask = GPOINTER_TO_UINT(data);
if ((mask & GDK_HINT_RESIZE_INC) != 0)
gtk_window_resize_to_geometry (GTK_WINDOW (window), 8, 8);
else
gtk_window_resize_to_geometry (GTK_WINDOW (window), 8 * GRID_SIZE, 8 * GRID_SIZE);
}
static void
create_window (GdkWindowHints mask)
{
GtkWidget *window;
GtkWidget *drawing_area;
GtkWidget *grid;
GtkWidget *label;
GtkWidget *button;
GdkGeometry geometry;
GString *label_text = g_string_new (NULL);
int border = 0;
if ((mask & GDK_HINT_RESIZE_INC) != 0)
g_string_append (label_text, "Gridded\n");
if ((mask & GDK_HINT_BASE_SIZE) != 0)
g_string_append (label_text, "Base\n");
if ((mask & GDK_HINT_MIN_SIZE) != 0)
{
g_string_append (label_text, "Minimum\n");
if ((mask & GDK_HINT_BASE_SIZE) == 0)
g_string_append (label_text, "(base=min)\n");
}
if ((mask & GDK_HINT_MAX_SIZE) != 0)
g_string_append (label_text, "Maximum\n");
if (label_text->len > 0)
g_string_erase (label_text, label_text->len - 1, 1);
else
g_string_append (label_text, "No Options");
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
g_signal_connect (window, "destroy",
G_CALLBACK (on_window_destroy), NULL);
grid = gtk_grid_new ();
gtk_container_set_border_width (GTK_CONTAINER (grid), 10);
label = gtk_label_new (label_text->str);
gtk_widget_set_hexpand (label, TRUE);
gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
label = gtk_label_new ("A\nB\nC\nD\nE");
gtk_grid_attach (GTK_GRID (grid), label, 1, 1, 1, 1);
drawing_area = gtk_drawing_area_new ();
g_signal_connect (drawing_area, "draw",
G_CALLBACK (on_drawing_area_draw),
GUINT_TO_POINTER (mask));
gtk_widget_set_hexpand (drawing_area, TRUE);
gtk_widget_set_vexpand (drawing_area, TRUE);
gtk_grid_attach (GTK_GRID (grid), drawing_area, 0, 1, 1, 1);
button = gtk_button_new_with_label ("Resize");
g_signal_connect (button, "clicked",
G_CALLBACK (on_resize_clicked),
GUINT_TO_POINTER (mask));
gtk_widget_set_hexpand (button, TRUE);
gtk_grid_attach (GTK_GRID (grid), button, 0, 2, 1, 1);
gtk_container_add (GTK_CONTAINER (window), grid);
if ((mask & GDK_HINT_BASE_SIZE) != 0)
{
border = BORDER;
geometry.base_width = border * 2;
geometry.base_height = border * 2;
}
if ((mask & GDK_HINT_RESIZE_INC) != 0)
{
geometry.width_inc = GRID_SIZE;
geometry.height_inc = GRID_SIZE;
}
if ((mask & GDK_HINT_MIN_SIZE) != 0)
{
geometry.min_width = 5 * GRID_SIZE + 2 * border;
geometry.min_height = 5 * GRID_SIZE + 2 * border;
}
if ((mask & GDK_HINT_MAX_SIZE) != 0)
{
geometry.max_width = 15 * GRID_SIZE + 2 * border;
geometry.max_height = 15 * GRID_SIZE + 2 * border;
}
/* Contents must be set up before gtk_window_parse_geometry() */
gtk_widget_show_all (grid);
gtk_window_set_geometry_hints (GTK_WINDOW (window),
drawing_area,
&geometry,
mask);
if ((mask & GDK_HINT_RESIZE_INC) != 0)
{
if (geometry_string)
gtk_window_parse_geometry (GTK_WINDOW (window), geometry_string);
else
gtk_window_set_default_geometry (GTK_WINDOW (window), 10, 10);
}
else
{
gtk_window_set_default_geometry (GTK_WINDOW (window), 10 * GRID_SIZE, 10 * GRID_SIZE);
}
gtk_widget_show (window);
window_count++;
}
int
main(int argc, char **argv)
{
GError *error;
GOptionEntry options[] = {
{ "geometry", 'g', 0, G_OPTION_ARG_STRING, &geometry_string, "Window geometry (only for gridded windows)", "GEOMETRY" },
{ NULL }
};
if (!gtk_init_with_args (&argc, &argv, "", options, NULL, &error))
{
g_print ("Failed to parse args: %s\n", error->message);
g_error_free (error);
return 1;
}
create_window (GDK_HINT_MIN_SIZE);
create_window (GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE);
create_window (GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE);
create_window (GDK_HINT_RESIZE_INC | GDK_HINT_MIN_SIZE);
create_window (GDK_HINT_RESIZE_INC | GDK_HINT_MAX_SIZE);
create_window (GDK_HINT_RESIZE_INC | GDK_HINT_BASE_SIZE);
create_window (GDK_HINT_RESIZE_INC | GDK_HINT_BASE_SIZE | GDK_HINT_MIN_SIZE);
gtk_main ();
return 0;
}