tests/testscale.c - external/github.com/GNOME/gtk - Git at Google

 /* testscale.c - scale mark demo
  * Copyright (C) 2009 Red Hat, Inc.
  * Author: Matthias Clasen
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */

 #include <gtk/gtk.h>


 GSList *scales;
 GtkWidget *flipbox;
 GtkWidget *extra_scale;

 static void
 invert (GtkButton *button)
 {
   GSList *l;

   for (l = scales; l; l = l->next)
     {
       GtkRange *range = l->data;
       gtk_range_set_inverted (range, !gtk_range_get_inverted (range));
     }
 }

 static void
 flip (GtkButton *button)
 {
   GSList *l;

   gtk_orientable_set_orientation (GTK_ORIENTABLE (flipbox), 1 - gtk_orientable_get_orientation (GTK_ORIENTABLE (flipbox)));

   for (l = scales; l; l = l->next)
     {
       GtkOrientable *o = l->data;
       gtk_orientable_set_orientation (o, 1 - gtk_orientable_get_orientation (o));
     }
 }

 static void
 trough (GtkToggleButton *button)
 {
   GSList *l;
   gboolean value;

   value = gtk_toggle_button_get_active (button);

   for (l = scales; l; l = l->next)
     {
       GtkRange *range = l->data;
       gtk_range_set_range (range, 0., value ? 100.0 : 0.);
     }
 }

 double marks[3] = { 0.0, 50.0, 100.0 };
 double extra_marks[2] = { 20.0, 40.0 };

 static void
 extra (GtkToggleButton *button)
 {
   gboolean value;

   value = gtk_toggle_button_get_active (button);

   if (value)
     {
       gtk_scale_add_mark (GTK_SCALE (extra_scale), extra_marks[0], GTK_POS_TOP, NULL);
       gtk_scale_add_mark (GTK_SCALE (extra_scale), extra_marks[1], GTK_POS_TOP, NULL);
     }
   else
     {
       gtk_scale_clear_marks (GTK_SCALE (extra_scale));
       gtk_scale_add_mark (GTK_SCALE (extra_scale), marks[0], GTK_POS_BOTTOM, NULL);
       gtk_scale_add_mark (GTK_SCALE (extra_scale), marks[1], GTK_POS_BOTTOM, NULL);
       gtk_scale_add_mark (GTK_SCALE (extra_scale), marks[2], GTK_POS_BOTTOM, NULL);
     }
 }

 static void
 quit_cb (GtkWidget *widget,
          gpointer   data)
 {
   gboolean *done = data;

   *done = TRUE;

   g_main_context_wakeup (NULL);
 }

 int main (int argc, char *argv[])
 {
   GtkWidget *window;
   GtkWidget *box;
   GtkWidget *box1;
   GtkWidget *box2;
   GtkWidget *button;
   GtkWidget *frame;
   GtkWidget *scale;
   const char *labels[3] = {
     "<small>Left</small>",
     "<small>Middle</small>",
     "<small>Right</small>"
   };

   double bath_marks[4] = { 0.0, 33.3, 66.6, 100.0 };
   const char *bath_labels[4] = {
     "<span color='blue' size='small'>Cold</span>",
     "<span size='small'>Baby bath</span>",
     "<span size='small'>Hot tub</span>",
     "<span color='Red' size='small'>Hot</span>"
   };

   double pos_marks[4] = { 0.0, 33.3, 66.6, 100.0 };
   const char *pos_labels[4] = { "Left", "Right", "Top", "Bottom" };
   gboolean done = FALSE;

   gtk_init ();

   window = gtk_window_new ();
   gtk_window_set_title (GTK_WINDOW (window), "Ranges with marks");
   g_signal_connect (window, "destroy", G_CALLBACK (quit_cb), &done);
   box1 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
   flipbox = box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
   gtk_widget_set_hexpand (flipbox, TRUE);
   gtk_widget_set_vexpand (flipbox, TRUE);
   gtk_box_append (GTK_BOX (box1), box);
   gtk_window_set_child (GTK_WINDOW (window), box1);

   frame = gtk_frame_new ("No marks");
   scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
   scales = g_slist_prepend (scales, scale);
   gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
   gtk_frame_set_child (GTK_FRAME (frame), scale);
   gtk_box_append (GTK_BOX (box), frame);

   frame = gtk_frame_new ("With fill level");
   scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
   scales = g_slist_prepend (scales, scale);
   gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
   gtk_range_set_show_fill_level (GTK_RANGE (scale), TRUE);
   gtk_range_set_fill_level (GTK_RANGE (scale), 50);
   gtk_frame_set_child (GTK_FRAME (frame), scale);
   gtk_box_append (GTK_BOX (box), frame);

   frame = gtk_frame_new ("Simple marks");
   extra_scale = scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
   scales = g_slist_prepend (scales, scale);
   gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
   gtk_scale_add_mark (GTK_SCALE (scale), marks[0], GTK_POS_BOTTOM, NULL);
   gtk_scale_add_mark (GTK_SCALE (scale), marks[1], GTK_POS_BOTTOM, NULL);
   gtk_scale_add_mark (GTK_SCALE (scale), marks[2], GTK_POS_BOTTOM, NULL);
   gtk_frame_set_child (GTK_FRAME (frame), scale);
   gtk_box_append (GTK_BOX (box), frame);

   frame = gtk_frame_new ("Simple marks up");
   scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
   scales = g_slist_prepend (scales, scale);
   gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
   gtk_scale_add_mark (GTK_SCALE (scale), marks[0], GTK_POS_TOP, NULL);
   gtk_scale_add_mark (GTK_SCALE (scale), marks[1], GTK_POS_TOP, NULL);
   gtk_scale_add_mark (GTK_SCALE (scale), marks[2], GTK_POS_TOP, NULL);
   gtk_frame_set_child (GTK_FRAME (frame), scale);
   gtk_box_append (GTK_BOX (box), frame);

   frame = gtk_frame_new ("Labeled marks");
   box2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);

   scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
   scales = g_slist_prepend (scales, scale);
   gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
   gtk_scale_add_mark (GTK_SCALE (scale), marks[0], GTK_POS_BOTTOM, labels[0]);
   gtk_scale_add_mark (GTK_SCALE (scale), marks[1], GTK_POS_BOTTOM, labels[1]);
   gtk_scale_add_mark (GTK_SCALE (scale), marks[2], GTK_POS_BOTTOM, labels[2]);
   gtk_frame_set_child (GTK_FRAME (frame), scale);
   gtk_box_append (GTK_BOX (box), frame);

   frame = gtk_frame_new ("Some labels");
   scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
   scales = g_slist_prepend (scales, scale);
   gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
   gtk_scale_add_mark (GTK_SCALE (scale), marks[0], GTK_POS_TOP, labels[0]);
   gtk_scale_add_mark (GTK_SCALE (scale), marks[1], GTK_POS_TOP, NULL);
   gtk_scale_add_mark (GTK_SCALE (scale), marks[2], GTK_POS_TOP, labels[2]);
   gtk_frame_set_child (GTK_FRAME (frame), scale);
   gtk_box_append (GTK_BOX (box), frame);

   frame = gtk_frame_new ("Above and below");
   scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
   scales = g_slist_prepend (scales, scale);
   gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
   gtk_scale_add_mark (GTK_SCALE (scale), bath_marks[0], GTK_POS_TOP, bath_labels[0]);
   gtk_scale_add_mark (GTK_SCALE (scale), bath_marks[1], GTK_POS_BOTTOM, bath_labels[1]);
   gtk_scale_add_mark (GTK_SCALE (scale), bath_marks[2], GTK_POS_BOTTOM, bath_labels[2]);
   gtk_scale_add_mark (GTK_SCALE (scale), bath_marks[3], GTK_POS_TOP, bath_labels[3]);
   gtk_frame_set_child (GTK_FRAME (frame), scale);
   gtk_box_append (GTK_BOX (box), frame);

   frame = gtk_frame_new ("Positions");
   scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
   scales = g_slist_prepend (scales, scale);
   gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
   gtk_scale_add_mark (GTK_SCALE (scale), pos_marks[0], GTK_POS_LEFT, pos_labels[0]);
   gtk_scale_add_mark (GTK_SCALE (scale), pos_marks[1], GTK_POS_RIGHT, pos_labels[1]);
   gtk_scale_add_mark (GTK_SCALE (scale), pos_marks[2], GTK_POS_TOP, pos_labels[2]);
   gtk_scale_add_mark (GTK_SCALE (scale), pos_marks[3], GTK_POS_BOTTOM, pos_labels[3]);
   gtk_frame_set_child (GTK_FRAME (frame), scale);
   gtk_box_append (GTK_BOX (box), frame);

   box2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
   gtk_box_append (GTK_BOX (box1), box2);
   button = gtk_button_new_with_label ("Flip");
   g_signal_connect (button, "clicked", G_CALLBACK (flip), NULL);
   gtk_box_append (GTK_BOX (box2), button);

   button = gtk_button_new_with_label ("Invert");
   g_signal_connect (button, "clicked", G_CALLBACK (invert), NULL);
   gtk_box_append (GTK_BOX (box2), button);

   button = gtk_toggle_button_new_with_label ("Trough");
   gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
   g_signal_connect (button, "toggled", G_CALLBACK (trough), NULL);
   gtk_box_append (GTK_BOX (box2), button);
   gtk_window_present (GTK_WINDOW (window));

   button = gtk_toggle_button_new_with_label ("Extra");
   gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), FALSE);
   g_signal_connect (button, "toggled", G_CALLBACK (extra), NULL);
   gtk_box_append (GTK_BOX (box2), button);
   gtk_window_present (GTK_WINDOW (window));

   while (!done)
     g_main_context_iteration (NULL, TRUE);

   return 0;
 }
	/* testscale.c - scale mark demo
	* Copyright (C) 2009 Red Hat, Inc.
	* Author: Matthias Clasen
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser 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
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library. If not, see <http://www.gnu.org/licenses/>.
	*/

	#include <gtk/gtk.h>


	GSList *scales;
	GtkWidget *flipbox;
	GtkWidget *extra_scale;

	static void
	invert (GtkButton *button)
	{
	GSList *l;

	for (l = scales; l; l = l->next)
	{
	GtkRange *range = l->data;
	gtk_range_set_inverted (range, !gtk_range_get_inverted (range));
	}
	}

	static void
	flip (GtkButton *button)
	{
	GSList *l;

	gtk_orientable_set_orientation (GTK_ORIENTABLE (flipbox), 1 - gtk_orientable_get_orientation (GTK_ORIENTABLE (flipbox)));

	for (l = scales; l; l = l->next)
	{
	GtkOrientable *o = l->data;
	gtk_orientable_set_orientation (o, 1 - gtk_orientable_get_orientation (o));
	}
	}

	static void
	trough (GtkToggleButton *button)
	{
	GSList *l;
	gboolean value;

	value = gtk_toggle_button_get_active (button);

	for (l = scales; l; l = l->next)
	{
	GtkRange *range = l->data;
	gtk_range_set_range (range, 0., value ? 100.0 : 0.);
	}
	}

	double marks[3] = { 0.0, 50.0, 100.0 };
	double extra_marks[2] = { 20.0, 40.0 };

	static void
	extra (GtkToggleButton *button)
	{
	gboolean value;

	value = gtk_toggle_button_get_active (button);

	if (value)
	{
	gtk_scale_add_mark (GTK_SCALE (extra_scale), extra_marks[0], GTK_POS_TOP, NULL);
	gtk_scale_add_mark (GTK_SCALE (extra_scale), extra_marks[1], GTK_POS_TOP, NULL);
	}
	else
	{
	gtk_scale_clear_marks (GTK_SCALE (extra_scale));
	gtk_scale_add_mark (GTK_SCALE (extra_scale), marks[0], GTK_POS_BOTTOM, NULL);
	gtk_scale_add_mark (GTK_SCALE (extra_scale), marks[1], GTK_POS_BOTTOM, NULL);
	gtk_scale_add_mark (GTK_SCALE (extra_scale), marks[2], GTK_POS_BOTTOM, NULL);
	}
	}

	static void
	quit_cb (GtkWidget *widget,
	gpointer data)
	{
	gboolean *done = data;

	*done = TRUE;

	g_main_context_wakeup (NULL);
	}

	int main (int argc, char *argv[])
	{
	GtkWidget *window;
	GtkWidget *box;
	GtkWidget *box1;
	GtkWidget *box2;
	GtkWidget *button;
	GtkWidget *frame;
	GtkWidget *scale;
	const char *labels[3] = {
	"<small>Left</small>",
	"<small>Middle</small>",
	"<small>Right</small>"
	};

	double bath_marks[4] = { 0.0, 33.3, 66.6, 100.0 };
	const char *bath_labels[4] = {
	"<span color='blue' size='small'>Cold</span>",
	"<span size='small'>Baby bath</span>",
	"<span size='small'>Hot tub</span>",
	"<span color='Red' size='small'>Hot</span>"
	};

	double pos_marks[4] = { 0.0, 33.3, 66.6, 100.0 };
	const char *pos_labels[4] = { "Left", "Right", "Top", "Bottom" };
	gboolean done = FALSE;

	gtk_init ();

	window = gtk_window_new ();
	gtk_window_set_title (GTK_WINDOW (window), "Ranges with marks");
	g_signal_connect (window, "destroy", G_CALLBACK (quit_cb), &done);
	box1 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
	flipbox = box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
	gtk_widget_set_hexpand (flipbox, TRUE);
	gtk_widget_set_vexpand (flipbox, TRUE);
	gtk_box_append (GTK_BOX (box1), box);
	gtk_window_set_child (GTK_WINDOW (window), box1);

	frame = gtk_frame_new ("No marks");
	scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
	scales = g_slist_prepend (scales, scale);
	gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
	gtk_frame_set_child (GTK_FRAME (frame), scale);
	gtk_box_append (GTK_BOX (box), frame);

	frame = gtk_frame_new ("With fill level");
	scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
	scales = g_slist_prepend (scales, scale);
	gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
	gtk_range_set_show_fill_level (GTK_RANGE (scale), TRUE);
	gtk_range_set_fill_level (GTK_RANGE (scale), 50);
	gtk_frame_set_child (GTK_FRAME (frame), scale);
	gtk_box_append (GTK_BOX (box), frame);

	frame = gtk_frame_new ("Simple marks");
	extra_scale = scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
	scales = g_slist_prepend (scales, scale);
	gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
	gtk_scale_add_mark (GTK_SCALE (scale), marks[0], GTK_POS_BOTTOM, NULL);
	gtk_scale_add_mark (GTK_SCALE (scale), marks[1], GTK_POS_BOTTOM, NULL);
	gtk_scale_add_mark (GTK_SCALE (scale), marks[2], GTK_POS_BOTTOM, NULL);
	gtk_frame_set_child (GTK_FRAME (frame), scale);
	gtk_box_append (GTK_BOX (box), frame);

	frame = gtk_frame_new ("Simple marks up");
	scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
	scales = g_slist_prepend (scales, scale);
	gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
	gtk_scale_add_mark (GTK_SCALE (scale), marks[0], GTK_POS_TOP, NULL);
	gtk_scale_add_mark (GTK_SCALE (scale), marks[1], GTK_POS_TOP, NULL);
	gtk_scale_add_mark (GTK_SCALE (scale), marks[2], GTK_POS_TOP, NULL);
	gtk_frame_set_child (GTK_FRAME (frame), scale);
	gtk_box_append (GTK_BOX (box), frame);

	frame = gtk_frame_new ("Labeled marks");
	box2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);

	scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
	scales = g_slist_prepend (scales, scale);
	gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
	gtk_scale_add_mark (GTK_SCALE (scale), marks[0], GTK_POS_BOTTOM, labels[0]);
	gtk_scale_add_mark (GTK_SCALE (scale), marks[1], GTK_POS_BOTTOM, labels[1]);
	gtk_scale_add_mark (GTK_SCALE (scale), marks[2], GTK_POS_BOTTOM, labels[2]);
	gtk_frame_set_child (GTK_FRAME (frame), scale);
	gtk_box_append (GTK_BOX (box), frame);

	frame = gtk_frame_new ("Some labels");
	scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
	scales = g_slist_prepend (scales, scale);
	gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
	gtk_scale_add_mark (GTK_SCALE (scale), marks[0], GTK_POS_TOP, labels[0]);
	gtk_scale_add_mark (GTK_SCALE (scale), marks[1], GTK_POS_TOP, NULL);
	gtk_scale_add_mark (GTK_SCALE (scale), marks[2], GTK_POS_TOP, labels[2]);
	gtk_frame_set_child (GTK_FRAME (frame), scale);
	gtk_box_append (GTK_BOX (box), frame);

	frame = gtk_frame_new ("Above and below");
	scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
	scales = g_slist_prepend (scales, scale);
	gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
	gtk_scale_add_mark (GTK_SCALE (scale), bath_marks[0], GTK_POS_TOP, bath_labels[0]);
	gtk_scale_add_mark (GTK_SCALE (scale), bath_marks[1], GTK_POS_BOTTOM, bath_labels[1]);
	gtk_scale_add_mark (GTK_SCALE (scale), bath_marks[2], GTK_POS_BOTTOM, bath_labels[2]);
	gtk_scale_add_mark (GTK_SCALE (scale), bath_marks[3], GTK_POS_TOP, bath_labels[3]);
	gtk_frame_set_child (GTK_FRAME (frame), scale);
	gtk_box_append (GTK_BOX (box), frame);

	frame = gtk_frame_new ("Positions");
	scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
	scales = g_slist_prepend (scales, scale);
	gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
	gtk_scale_add_mark (GTK_SCALE (scale), pos_marks[0], GTK_POS_LEFT, pos_labels[0]);
	gtk_scale_add_mark (GTK_SCALE (scale), pos_marks[1], GTK_POS_RIGHT, pos_labels[1]);
	gtk_scale_add_mark (GTK_SCALE (scale), pos_marks[2], GTK_POS_TOP, pos_labels[2]);
	gtk_scale_add_mark (GTK_SCALE (scale), pos_marks[3], GTK_POS_BOTTOM, pos_labels[3]);
	gtk_frame_set_child (GTK_FRAME (frame), scale);
	gtk_box_append (GTK_BOX (box), frame);

	box2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
	gtk_box_append (GTK_BOX (box1), box2);
	button = gtk_button_new_with_label ("Flip");
	g_signal_connect (button, "clicked", G_CALLBACK (flip), NULL);
	gtk_box_append (GTK_BOX (box2), button);

	button = gtk_button_new_with_label ("Invert");
	g_signal_connect (button, "clicked", G_CALLBACK (invert), NULL);
	gtk_box_append (GTK_BOX (box2), button);

	button = gtk_toggle_button_new_with_label ("Trough");
	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
	g_signal_connect (button, "toggled", G_CALLBACK (trough), NULL);
	gtk_box_append (GTK_BOX (box2), button);
	gtk_window_present (GTK_WINDOW (window));

	button = gtk_toggle_button_new_with_label ("Extra");
	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), FALSE);
	g_signal_connect (button, "toggled", G_CALLBACK (extra), NULL);
	gtk_box_append (GTK_BOX (box2), button);
	gtk_window_present (GTK_WINDOW (window));

	while (!done)
	g_main_context_iteration (NULL, TRUE);

	return 0;
	}