forked from AuroraMiddleware/gtk
58b5405bd2
* demos/*.c demos/gdk-pixbuf/*.c: Eliminate gtk_signal_*
in favor of g_signal_*, gtk_object_* in favor of
g_object_*.
111 lines
2.8 KiB
C
111 lines
2.8 KiB
C
/* Color Selector
|
|
*
|
|
* GtkColorSelection lets the user choose a color. GtkColorSelectionDialog is
|
|
* a prebuilt dialog containing a GtkColorSelection.
|
|
*
|
|
*/
|
|
|
|
#include <gtk/gtk.h>
|
|
|
|
static GtkWidget *window = NULL;
|
|
static GtkWidget *da;
|
|
static GdkColor color;
|
|
static GtkWidget *frame;
|
|
|
|
static void
|
|
change_color_callback (GtkWidget *button,
|
|
gpointer data)
|
|
{
|
|
GtkWidget *dialog;
|
|
GtkColorSelection *colorsel;
|
|
gint response;
|
|
|
|
dialog = gtk_color_selection_dialog_new ("Changing color");
|
|
|
|
gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (window));
|
|
|
|
colorsel = GTK_COLOR_SELECTION (GTK_COLOR_SELECTION_DIALOG (dialog)->colorsel);
|
|
|
|
gtk_color_selection_set_previous_color (colorsel, &color);
|
|
gtk_color_selection_set_current_color (colorsel, &color);
|
|
gtk_color_selection_set_has_palette (colorsel, TRUE);
|
|
|
|
response = gtk_dialog_run (GTK_DIALOG (dialog));
|
|
|
|
if (response == GTK_RESPONSE_OK)
|
|
{
|
|
gtk_color_selection_get_current_color (colorsel,
|
|
&color);
|
|
|
|
gtk_widget_modify_bg (da, GTK_STATE_NORMAL, &color);
|
|
}
|
|
|
|
gtk_widget_destroy (dialog);
|
|
}
|
|
|
|
GtkWidget *
|
|
do_colorsel (void)
|
|
{
|
|
GtkWidget *vbox;
|
|
GtkWidget *button;
|
|
GtkWidget *alignment;
|
|
|
|
if (!window)
|
|
{
|
|
color.red = 0;
|
|
color.blue = 65535;
|
|
color.green = 0;
|
|
|
|
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
gtk_window_set_title (GTK_WINDOW (window), "Color Selection");
|
|
|
|
g_signal_connect (window, "destroy",
|
|
G_CALLBACK (gtk_widget_destroyed), &window);
|
|
|
|
gtk_container_set_border_width (GTK_CONTAINER (window), 8);
|
|
|
|
vbox = gtk_vbox_new (FALSE, 8);
|
|
gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
|
|
gtk_container_add (GTK_CONTAINER (window), vbox);
|
|
|
|
/*
|
|
* Create the color swatch area
|
|
*/
|
|
|
|
|
|
frame = gtk_frame_new (NULL);
|
|
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
|
|
gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 0);
|
|
|
|
da = gtk_drawing_area_new ();
|
|
/* set a minimum size */
|
|
gtk_widget_set_size_request (da, 200, 200);
|
|
/* set the color */
|
|
gtk_widget_modify_bg (da, GTK_STATE_NORMAL, &color);
|
|
|
|
gtk_container_add (GTK_CONTAINER (frame), da);
|
|
|
|
alignment = gtk_alignment_new (1.0, 0.5, 0.0, 0.0);
|
|
|
|
button = gtk_button_new_with_mnemonic ("_Change the above color");
|
|
gtk_container_add (GTK_CONTAINER (alignment), button);
|
|
|
|
gtk_box_pack_start (GTK_BOX (vbox), alignment, FALSE, FALSE, 0);
|
|
|
|
g_signal_connect (button, "clicked",
|
|
G_CALLBACK (change_color_callback), NULL);
|
|
}
|
|
|
|
if (!GTK_WIDGET_VISIBLE (window))
|
|
{
|
|
gtk_widget_show_all (window);
|
|
}
|
|
else
|
|
{
|
|
gtk_widget_destroy (window);
|
|
window = NULL;
|
|
}
|
|
|
|
return window;
|
|
}
|