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