* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
- * License along with the Gnome Library; see the file COPYING.LIB. If not,
- * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* Color picker button for GNOME
*
#include "gtkbutton.h"
#include "gtkmain.h"
#include "gtkcolorchooser.h"
+#include "gtkcolorchooserprivate.h"
#include "gtkcolorchooserdialog.h"
#include "gtkdnd.h"
#include "gtkdrawingarea.h"
#define CHECK_DARK (1.0 / 3.0)
#define CHECK_LIGHT (2.0 / 3.0)
-#define COLOR_SAMPLE_MARGIN 1
-
struct _GtkColorButtonPrivate
{
GtkWidget *draw_area; /* Widget where we draw the color sample */
* @widget: the object which received the signal.
*
* The ::color-set signal is emitted when the user selects a color.
- * When handling this signal, use gtk_color_button_get_color() and
- * gtk_color_button_get_alpha() (or gtk_color_button_get_rgba()) to
+ * When handling this signal, use gtk_color_button_get_rgba() to
* find out which color was just selected.
*
* Note that this signal is only emitted when the <emphasis>user</emphasis>
return button->priv->use_alpha && button->priv->rgba.alpha < 1;
}
-static cairo_pattern_t *
-gtk_color_button_get_checkered (void)
-{
- /* need to respect pixman's stride being a multiple of 4 */
- static unsigned char data[8] = { 0xFF, 0x00, 0x00, 0x00,
- 0x00, 0xFF, 0x00, 0x00 };
- static cairo_surface_t *checkered = NULL;
- cairo_pattern_t *pattern;
-
- if (checkered == NULL)
- {
- checkered = cairo_image_surface_create_for_data (data,
- CAIRO_FORMAT_A8,
- 2, 2, 4);
- }
-
- pattern = cairo_pattern_create_for_surface (checkered);
- cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
- cairo_pattern_set_filter (pattern, CAIRO_FILTER_NEAREST);
-
- return pattern;
-}
-
/* Handle exposure events for the color picker's drawing area */
static gint
gtk_color_button_draw_cb (GtkWidget *widget,
cairo_set_source_rgb (cr, CHECK_LIGHT, CHECK_LIGHT, CHECK_LIGHT);
cairo_scale (cr, CHECK_SIZE, CHECK_SIZE);
- checkered = gtk_color_button_get_checkered ();
+ checkered = _gtk_color_chooser_get_checkered_pattern ();
cairo_mask (cr, checkered);
cairo_pattern_destroy (checkered);
gtk_style_context_get_background_color (context, GTK_STATE_FLAG_INSENSITIVE, &color);
gdk_cairo_set_source_rgba (cr, &color);
- checkered = gtk_color_button_get_checkered ();
+ checkered = _gtk_color_chooser_get_checkered_pattern ();
cairo_mask (cr, checkered);
cairo_pattern_destroy (checkered);
}
gtk_widget_push_composite_child ();
button->priv->draw_area = gtk_drawing_area_new ();
- g_object_set (button->priv->draw_area,
- "margin-top", COLOR_SAMPLE_MARGIN,
- "margin-bottom", COLOR_SAMPLE_MARGIN,
- "margin-left", 16,
- "margin-right", 16,
- NULL);
-
layout = gtk_widget_create_pango_layout (GTK_WIDGET (button), "Black");
pango_layout_get_pixel_extents (layout, NULL, &rect);
g_object_unref (layout);
gtk_widget_set_size_request (button->priv->draw_area,
- rect.width, rect.height - 2 * COLOR_SAMPLE_MARGIN);
+ rect.width, rect.height);
g_signal_connect (button->priv->draw_area, "draw",
G_CALLBACK (gtk_color_button_draw_cb), button);
}
}
+/* Create the dialog and connects its buttons */
static void
-gtk_color_button_clicked (GtkButton *b)
+ensure_dialog (GtkColorButton *button)
{
- GtkColorButton *button = GTK_COLOR_BUTTON (b);
- GtkWidget *dialog;
+ GtkWidget *parent, *dialog;
- /* if dialog already exists, make sure it's shown and raised */
- if (!button->priv->cs_dialog)
- {
- /* Create the dialog and connects its buttons */
- GtkWidget *parent;
+ if (button->priv->cs_dialog != NULL)
+ return;
- parent = gtk_widget_get_toplevel (GTK_WIDGET (button));
+ parent = gtk_widget_get_toplevel (GTK_WIDGET (button));
- button->priv->cs_dialog = dialog = gtk_color_chooser_dialog_new (button->priv->title, NULL);
+ button->priv->cs_dialog = dialog = gtk_color_chooser_dialog_new (button->priv->title, NULL);
- if (gtk_widget_is_toplevel (parent) && GTK_IS_WINDOW (parent))
- {
- if (GTK_WINDOW (parent) != gtk_window_get_transient_for (GTK_WINDOW (dialog)))
- gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (parent));
+ if (gtk_widget_is_toplevel (parent) && GTK_IS_WINDOW (parent))
+ {
+ if (GTK_WINDOW (parent) != gtk_window_get_transient_for (GTK_WINDOW (dialog)))
+ gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (parent));
- gtk_window_set_modal (GTK_WINDOW (dialog),
- gtk_window_get_modal (GTK_WINDOW (parent)));
- }
+ gtk_window_set_modal (GTK_WINDOW (dialog),
+ gtk_window_get_modal (GTK_WINDOW (parent)));
+ }
- g_signal_connect (dialog, "response",
- G_CALLBACK (dialog_response), button);
- g_signal_connect (dialog, "destroy",
- G_CALLBACK (dialog_destroy), button);
- }
+ g_signal_connect (dialog, "response",
+ G_CALLBACK (dialog_response), button);
+ g_signal_connect (dialog, "destroy",
+ G_CALLBACK (dialog_destroy), button);
+}
+
+
+static void
+gtk_color_button_clicked (GtkButton *b)
+{
+ GtkColorButton *button = GTK_COLOR_BUTTON (b);
+
+ /* if dialog already exists, make sure it's shown and raised */
+ ensure_dialog (button);
gtk_color_chooser_set_use_alpha (GTK_COLOR_CHOOSER (button->priv->cs_dialog),
button->priv->use_alpha);
+ gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (button->priv->cs_dialog),
+ &button->priv->rgba);
+
gtk_window_present (GTK_WINDOW (button->priv->cs_dialog));
}
}
/**
- * gtk_color_button_set_rgba:
+ * gtk_color_button_set_rgba: (skip)
* @button: a #GtkColorButton
* @rgba: a #GdkRGBA to set the current color with
*
}
/**
- * gtk_color_button_get_rgba:
+ * gtk_color_button_get_rgba: (skip)
* @button: a #GtkColorButton
* @rgba: (out): a #GdkRGBA to fill in with the current color
*
static void
gtk_color_button_add_palette (GtkColorChooser *chooser,
- gboolean horizontal,
+ GtkOrientation orientation,
gint colors_per_line,
gint n_colors,
GdkRGBA *colors)
{
GtkColorButton *button = GTK_COLOR_BUTTON (chooser);
- if (button->priv->cs_dialog)
- gtk_color_chooser_add_palette (GTK_COLOR_CHOOSER (button->priv->cs_dialog),
- horizontal, colors_per_line, n_colors, colors);
+ ensure_dialog (button);
+
+ gtk_color_chooser_add_palette (GTK_COLOR_CHOOSER (button->priv->cs_dialog),
+ orientation, colors_per_line, n_colors, colors);
}
typedef void (* get_rgba) (GtkColorChooser *, GdkRGBA *);
projects / ~andy / gtk / blobdiff