* 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, 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/>.
*/
#include "config.h"
-#include "gtkcolorscale.h"
+#include "gtkcolorscaleprivate.h"
+#include "gtkcolorchooserprivate.h"
#include "gtkcolorutils.h"
#include "gtkorientable.h"
#include "gtkstylecontext.h"
#include "gtkaccessible.h"
+#include "gtkpressandholdprivate.h"
#include "gtkprivate.h"
#include "gtkintl.h"
+#include <math.h>
+
struct _GtkColorScalePrivate
{
cairo_surface_t *surface;
gint width, height;
GdkRGBA color;
GtkColorScaleType type;
+
+ GtkPressAndHold *press_and_hold;
};
enum
G_DEFINE_TYPE (GtkColorScale, gtk_color_scale, GTK_TYPE_SCALE)
-static cairo_pattern_t *
-get_checkered_pattern (void)
+static void
+gtk_color_scale_get_trough_size (GtkColorScale *scale,
+ gint *x_offset_out,
+ gint *y_offset_out,
+ gint *width_out,
+ gint *height_out)
{
- /* 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;
+ GtkWidget *widget = GTK_WIDGET (scale);
+ gint width, height, focus_line_width, focus_padding;
+ gint x_offset, y_offset;
+ gint slider_width, slider_height;
+
+ gtk_widget_style_get (widget,
+ "focus-line-width", &focus_line_width,
+ "focus-padding", &focus_padding,
+ "slider-width", &slider_width,
+ "slider-length", &slider_height,
+ NULL);
+
+ width = gtk_widget_get_allocated_width (widget) - 2 * (focus_line_width + focus_padding);
+ height = gtk_widget_get_allocated_height (widget) - 2 * (focus_line_width + focus_padding);
- if (checkered == NULL)
- checkered = cairo_image_surface_create_for_data (data,
- CAIRO_FORMAT_A8,
- 2, 2, 4);
+ x_offset = focus_line_width + focus_padding;
+ y_offset = focus_line_width + focus_padding;
- pattern = cairo_pattern_create_for_surface (checkered);
- cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
- cairo_pattern_set_filter (pattern, CAIRO_FILTER_NEAREST);
+ /* if the slider has a vertical shape, draw the trough asymmetric */
+ if (slider_width > slider_height)
+ {
+ if (gtk_orientable_get_orientation (GTK_ORIENTABLE (widget)) == GTK_ORIENTATION_VERTICAL)
+ {
+ if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
+ x_offset += (gint) floor (slider_width / 2.0);
+
+ width = (gint) floor (slider_width / 2.0);
+ }
+ else
+ {
+ height = (gint) floor (slider_width / 2.0);
+ }
+ }
- return pattern;
+ if (width_out)
+ *width_out = width;
+ if (height_out)
+ *height_out = height;
+ if (x_offset_out)
+ *x_offset_out = x_offset;
+ if (y_offset_out)
+ *y_offset_out = y_offset;
}
static void
if (!gtk_widget_get_realized (widget))
return;
- width = gtk_widget_get_allocated_width (widget);
- height = gtk_widget_get_allocated_height (widget);
+ gtk_color_scale_get_trough_size (scale,
+ NULL, NULL,
+ &width, &height);
if (!scale->priv->surface ||
width != scale->priv->width ||
cairo_paint (cr);
cairo_set_source_rgb (cr, 0.66, 0.66, 0.66);
- pattern = get_checkered_pattern ();
+ pattern = _gtk_color_chooser_get_checkered_pattern ();
cairo_matrix_init_scale (&matrix, 0.125, 0.125);
cairo_pattern_set_matrix (pattern, &matrix);
cairo_mask (cr, pattern);
}
}
-static gboolean
-scale_has_asymmetric_thumb (GtkWidget *widget)
-{
- gchar *theme;
- gboolean res;
-
- g_object_get (gtk_widget_get_settings (widget),
- "gtk-theme-name", &theme,
- NULL);
- res = strcmp ("Adwaita", theme) == 0;
- g_free (theme);
-
- return res;
-}
-
static gboolean
scale_draw (GtkWidget *widget,
cairo_t *cr)
{
GtkColorScale *scale = GTK_COLOR_SCALE (widget);
- gint width, height;
-
- width = gtk_widget_get_allocated_width (widget);
- height = gtk_widget_get_allocated_height (widget);
+ gint width, height, x_offset, y_offset;
+ cairo_pattern_t *pattern;
create_surface (scale);
+ gtk_color_scale_get_trough_size (scale,
+ &x_offset, &y_offset,
+ &width, &height);
cairo_save (cr);
+ cairo_translate (cr, x_offset, y_offset);
+ cairo_rectangle (cr, 0, 0, width, height);
- if (scale_has_asymmetric_thumb (widget))
+ pattern = cairo_pattern_create_for_surface (scale->priv->surface);
+ if (gtk_orientable_get_orientation (GTK_ORIENTABLE (widget)) == GTK_ORIENTATION_HORIZONTAL &&
+ gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
{
- if (gtk_orientable_get_orientation (GTK_ORIENTABLE (widget)) == GTK_ORIENTATION_VERTICAL)
- {
- if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
- cairo_rectangle (cr, 1, 1, width / 2 - 1, height - 2);
- else
- cairo_rectangle (cr, width / 2, 1, width / 2 - 1, height - 2);
- }
- else
- {
- cairo_rectangle (cr, 1, 1, width - 2, height / 2);
- }
+ cairo_matrix_t matrix;
+
+ cairo_matrix_init_scale (&matrix, -1, 1);
+ cairo_matrix_translate (&matrix, -width, 0);
+ cairo_pattern_set_matrix (pattern, &matrix);
}
- else
- cairo_rectangle (cr, 1, 1, width - 2, height - 2);
+ cairo_set_source (cr, pattern);
+ cairo_fill (cr);
- cairo_clip (cr);
- cairo_set_source_surface (cr, scale->priv->surface, 0, 0);
- cairo_paint (cr);
+ cairo_pattern_destroy (pattern);
cairo_restore (cr);
scale->priv = G_TYPE_INSTANCE_GET_PRIVATE (scale,
GTK_TYPE_COLOR_SCALE,
GtkColorScalePrivate);
+ gtk_widget_add_events (GTK_WIDGET (scale), GDK_TOUCH_MASK);
}
static void
if (scale->priv->surface)
cairo_surface_destroy (scale->priv->surface);
+ g_clear_object (&scale->priv->press_and_hold);
+
G_OBJECT_CLASS (gtk_color_scale_parent_class)->finalize (object);
}
}
}
+static void
+hold_action (GtkPressAndHold *pah,
+ gint x,
+ gint y,
+ GtkColorScale *scale)
+{
+ gboolean handled;
+
+ g_signal_emit_by_name (scale, "popup-menu", &handled);
+}
+
+static gboolean
+scale_touch (GtkWidget *widget,
+ GdkEventTouch *event)
+{
+ GtkColorScale *scale = GTK_COLOR_SCALE (widget);
+
+ if (!scale->priv->press_and_hold)
+ {
+ gint drag_threshold;
+
+ g_object_get (gtk_widget_get_settings (widget),
+ "gtk-dnd-drag-threshold", &drag_threshold,
+ NULL);
+
+ scale->priv->press_and_hold = gtk_press_and_hold_new ();
+
+ g_object_set (scale->priv->press_and_hold,
+ "drag-threshold", drag_threshold,
+ "hold-time", 1000,
+ NULL);
+
+ g_signal_connect (scale->priv->press_and_hold, "hold",
+ G_CALLBACK (hold_action), scale);
+ }
+
+ gtk_press_and_hold_process_event (scale->priv->press_and_hold, (GdkEvent *)event);
+
+ return GTK_WIDGET_CLASS (gtk_color_scale_parent_class)->touch_event (widget, event);
+}
+
+
static void
gtk_color_scale_class_init (GtkColorScaleClass *class)
{
object_class->set_property = scale_set_property;
widget_class->draw = scale_draw;
+ widget_class->touch_event = scale_touch;
g_object_class_install_property (object_class, PROP_SCALE_TYPE,
g_param_spec_int ("scale-type", P_("Scale type"), P_("Scale type"),
projects / ~andy / gtk / blobdiff