* 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 "gtkcolorplane.h"
-#include "gtkcolorutils.h"
-#include "gtkcontainer.h"
+#include "gtkcolorplaneprivate.h"
+
#include "gtkaccessible.h"
-#include "gtkwindow.h"
-#include "gtkbutton.h"
+#include "gtkadjustment.h"
+#include "gtkcolorutils.h"
+#include "gtkpressandholdprivate.h"
#include "gtkintl.h"
struct _GtkColorPlanePrivate
GtkAdjustment *v_adj;
cairo_surface_t *surface;
- gint x, y;
gboolean in_drag;
+
+ GtkPressAndHold *press_and_hold;
};
G_DEFINE_TYPE (GtkColorPlane, gtk_color_plane, GTK_TYPE_DRAWING_AREA)
+static void
+sv_to_xy (GtkColorPlane *plane,
+ gint *x,
+ gint *y)
+{
+ gdouble s, v;
+ gint width, height;
+
+ width = gtk_widget_get_allocated_width (GTK_WIDGET (plane));
+ height = gtk_widget_get_allocated_height (GTK_WIDGET (plane));
+
+ s = gtk_adjustment_get_value (plane->priv->s_adj);
+ v = gtk_adjustment_get_value (plane->priv->v_adj);
+
+ *x = CLAMP (width * v, 0, width - 1);
+ *y = CLAMP (height * (1 - s), 0, height - 1);
+}
+
static gboolean
-sv_draw (GtkWidget *widget,
- cairo_t *cr)
+plane_draw (GtkWidget *widget,
+ cairo_t *cr)
{
GtkColorPlane *plane = GTK_COLOR_PLANE (widget);
gint x, y;
cairo_set_source_surface (cr, plane->priv->surface, 0, 0);
cairo_paint (cr);
- x = plane->priv->x;
- y = plane->priv->y;
+ sv_to_xy (plane, &x, &y);
width = gtk_widget_get_allocated_width (widget);
height = gtk_widget_get_allocated_height (widget);
}
static void
-create_sv_surface (GtkColorPlane *plane)
+create_surface (GtkColorPlane *plane)
{
GtkWidget *widget = GTK_WIDGET (plane);
cairo_t *cr;
g_free (data);
}
-static void
-hsv_to_xy (GtkColorPlane *plane)
-{
- gdouble s, v;
- gint width, height;
-
- width = gtk_widget_get_allocated_width (GTK_WIDGET (plane));
- height = gtk_widget_get_allocated_height (GTK_WIDGET (plane));
-
- s = gtk_adjustment_get_value (plane->priv->s_adj);
- v = gtk_adjustment_get_value (plane->priv->v_adj);
- plane->priv->x = CLAMP (width * v, 0, width - 1);
- plane->priv->y = CLAMP (height * (1 - s), 0, height - 1);
-}
-
static gboolean
-sv_configure (GtkWidget *widget,
- GdkEventConfigure *event)
+plane_configure (GtkWidget *widget,
+ GdkEventConfigure *event)
{
- GtkColorPlane *plane = GTK_COLOR_PLANE (widget);
-
- create_sv_surface (plane);
- hsv_to_xy (plane);
-
+ create_surface (GTK_COLOR_PLANE (widget));
return TRUE;
}
}
static gboolean
-sv_grab_broken (GtkWidget *widget,
- GdkEventGrabBroken *event)
+plane_grab_broken (GtkWidget *widget,
+ GdkEventGrabBroken *event)
{
- GtkColorPlane *plane = GTK_COLOR_PLANE (widget);
+ GTK_COLOR_PLANE (widget)->priv->in_drag = FALSE;
+ return TRUE;
+}
- plane->priv->in_drag = FALSE;
+static void
+h_changed (GtkColorPlane *plane)
+{
+ create_surface (plane);
+ gtk_widget_queue_draw (GTK_WIDGET (plane));
+}
- return TRUE;
+static void
+sv_changed (GtkColorPlane *plane)
+{
+ gtk_widget_queue_draw (GTK_WIDGET (plane));
}
static void
-sv_update_color (GtkColorPlane *plane,
- gint x,
- gint y)
+update_color (GtkColorPlane *plane,
+ gint x,
+ gint y)
{
GtkWidget *widget = GTK_WIDGET (plane);
gdouble s, v;
- plane->priv->x = x;
- plane->priv->y = y;
-
s = CLAMP (1 - y * (1.0 / gtk_widget_get_allocated_height (widget)), 0, 1);
v = CLAMP (x * (1.0 / gtk_widget_get_allocated_width (widget)), 0, 1);
gtk_adjustment_set_value (plane->priv->s_adj, s);
gtk_adjustment_set_value (plane->priv->v_adj, v);
+
gtk_widget_queue_draw (widget);
}
static gboolean
-sv_button_press (GtkWidget *widget,
- GdkEventButton *event)
+plane_button_press (GtkWidget *widget,
+ GdkEventButton *event)
{
GtkColorPlane *plane = GTK_COLOR_PLANE (widget);
plane->priv->in_drag = TRUE;
set_cross_grab (widget, gdk_event_get_device ((GdkEvent*)event), event->time);
- sv_update_color (plane, event->x, event->y);
+ update_color (plane, event->x, event->y);
gtk_widget_grab_focus (widget);
return TRUE;
}
static gboolean
-sv_button_release (GtkWidget *widget,
- GdkEventButton *event)
+plane_button_release (GtkWidget *widget,
+ GdkEventButton *event)
{
GtkColorPlane *plane = GTK_COLOR_PLANE (widget);
plane->priv->in_drag = FALSE;
- sv_update_color (plane, event->x, event->y);
+ update_color (plane, event->x, event->y);
gdk_device_ungrab (gdk_event_get_device ((GdkEvent *) event), event->time);
return TRUE;
}
static gboolean
-sv_motion (GtkWidget *widget,
- GdkEventMotion *event)
+plane_motion_notify (GtkWidget *widget,
+ GdkEventMotion *event)
{
GtkColorPlane *plane = GTK_COLOR_PLANE (widget);
return FALSE;
gdk_event_request_motions (event);
- sv_update_color (plane, event->x, event->y);
+ update_color (plane, event->x, event->y);
return TRUE;
}
static void
-h_changed (GtkColorPlane *plane)
+hold_action (GtkPressAndHold *pah,
+ gint x,
+ gint y,
+ GtkColorPlane *plane)
{
- create_sv_surface (plane);
- gtk_widget_queue_draw (GTK_WIDGET (plane));
+ gboolean handled;
+
+ g_signal_emit_by_name (plane, "popup-menu", &handled);
}
-static void
-sv_changed (GtkColorPlane *plane)
+static gboolean
+plane_touch (GtkWidget *widget,
+ GdkEventTouch *event)
{
- hsv_to_xy (plane);
- gtk_widget_queue_draw (GTK_WIDGET (plane));
+ GtkColorPlane *plane = GTK_COLOR_PLANE (widget);
+
+ if (!plane->priv->press_and_hold)
+ {
+ gint drag_threshold;
+
+ g_object_get (gtk_widget_get_settings (widget),
+ "gtk-dnd-drag-threshold", &drag_threshold,
+ NULL);
+
+ plane->priv->press_and_hold = gtk_press_and_hold_new ();
+
+ g_object_set (plane->priv->press_and_hold,
+ "drag-threshold", drag_threshold,
+ "hold-time", 1000,
+ NULL);
+
+ g_signal_connect (plane->priv->press_and_hold, "hold",
+ G_CALLBACK (hold_action), plane);
+ }
+
+ gtk_press_and_hold_process_event (plane->priv->press_and_hold, (GdkEvent *)event);
+ update_color (plane, event->x, event->y);
+
+ return TRUE;
}
static void
}
static gboolean
-sv_key_press (GtkWidget *widget,
- GdkEventKey *event)
+plane_key_press (GtkWidget *widget,
+ GdkEventKey *event)
{
GtkColorPlane *plane = GTK_COLOR_PLANE (widget);
gdouble step;
- /* FIXME: turn into bindings */
if ((event->state & GDK_MOD1_MASK) != 0)
step = 0.1;
else
plane->priv = G_TYPE_INSTANCE_GET_PRIVATE (plane,
GTK_TYPE_COLOR_PLANE,
GtkColorPlanePrivate);
+
gtk_widget_set_can_focus (GTK_WIDGET (plane), TRUE);
gtk_widget_set_events (GTK_WIDGET (plane), GDK_KEY_PRESS_MASK
+ | GDK_TOUCH_MASK
| GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
| GDK_POINTER_MOTION_MASK);
}
static void
-sv_finalize (GObject *object)
+plane_finalize (GObject *object)
{
GtkColorPlane *plane = GTK_COLOR_PLANE (object);
- cairo_surface_destroy (plane->priv->surface);
+ if (plane->priv->surface)
+ cairo_surface_destroy (plane->priv->surface);
+
g_clear_object (&plane->priv->h_adj);
g_clear_object (&plane->priv->s_adj);
g_clear_object (&plane->priv->v_adj);
+ g_clear_object (&plane->priv->press_and_hold);
+
G_OBJECT_CLASS (gtk_color_plane_parent_class)->finalize (object);
}
GObjectClass *object_class = G_OBJECT_CLASS (class);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
- object_class->finalize = sv_finalize;
+ object_class->finalize = plane_finalize;
- widget_class->draw = sv_draw;
- widget_class->configure_event = sv_configure;
- widget_class->button_press_event = sv_button_press;
- widget_class->button_release_event = sv_button_release;
- widget_class->motion_notify_event = sv_motion;
- widget_class->grab_broken_event = sv_grab_broken;
- widget_class->key_press_event = sv_key_press;
+ widget_class->draw = plane_draw;
+ widget_class->configure_event = plane_configure;
+ widget_class->button_press_event = plane_button_press;
+ widget_class->button_release_event = plane_button_release;
+ widget_class->motion_notify_event = plane_motion_notify;
+ widget_class->grab_broken_event = plane_grab_broken;
+ widget_class->key_press_event = plane_key_press;
+ widget_class->touch_event = plane_touch;
g_type_class_add_private (class, sizeof (GtkColorPlanePrivate));
}
plane = (GtkColorPlane *) g_object_new (GTK_TYPE_COLOR_PLANE, NULL);
-
plane->priv->h_adj = g_object_ref_sink (h_adj);
plane->priv->s_adj = g_object_ref_sink (s_adj);
plane->priv->v_adj = g_object_ref_sink (v_adj);
- g_signal_connect_swapped (plane->priv->h_adj, "value-changed",
- G_CALLBACK (h_changed), plane);
- g_signal_connect_swapped (plane->priv->s_adj, "value-changed",
- G_CALLBACK (sv_changed), plane);
- g_signal_connect_swapped (plane->priv->v_adj, "value-changed",
- G_CALLBACK (sv_changed), plane);
+ g_signal_connect_swapped (h_adj, "value-changed", G_CALLBACK (h_changed), plane);
+ g_signal_connect_swapped (s_adj, "value-changed", G_CALLBACK (sv_changed), plane);
+ g_signal_connect_swapped (v_adj, "value-changed", G_CALLBACK (sv_changed), plane);
return (GtkWidget *)plane;
}
projects / ~andy / gtk / blobdiff