+++ /dev/null
-/* GTK - The GIMP Toolkit
- * Copyright (C) 2012 Red Hat, Inc.
- *
- * 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 "config.h"
-
-#include "gdk.h"
-#include "gtkpressandholdprivate.h"
-#include "gtkintl.h"
-#include "gtkprivate.h"
-
-struct _GtkPressAndHoldPrivate
-{
- gint hold_time;
- gint drag_threshold;
-
- GdkEventSequence *sequence;
- GdkDevice *device;
- guint button;
- guint timeout;
- gint start_x;
- gint start_y;
- gint x;
- gint y;
-};
-
-enum
-{
- PROP_ZERO,
- PROP_HOLD_TIME,
- PROP_DRAG_THRESHOLD
-};
-
-enum
-{
- HOLD,
- TAP,
- LAST_SIGNAL
-};
-
-static guint signals[LAST_SIGNAL];
-
-G_DEFINE_TYPE_WITH_PRIVATE (GtkPressAndHold, gtk_press_and_hold, G_TYPE_OBJECT)
-
-static void
-gtk_press_and_hold_init (GtkPressAndHold *pah)
-{
- pah->priv = gtk_press_and_hold_get_instance_private (pah);
- pah->priv->hold_time = 1000;
- pah->priv->drag_threshold = 8;
-}
-
-static void
-press_and_hold_finalize (GObject *object)
-{
- GtkPressAndHold *pah = GTK_PRESS_AND_HOLD (object);
-
- if (pah->priv->timeout)
- g_source_remove (pah->priv->timeout);
-
- G_OBJECT_CLASS (gtk_press_and_hold_parent_class)->finalize (object);
-}
-
-static void
-press_and_hold_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- GtkPressAndHold *pah = GTK_PRESS_AND_HOLD (object);
-
- switch (prop_id)
- {
- case PROP_HOLD_TIME:
- g_value_set_int (value, pah->priv->hold_time);
- break;
- case PROP_DRAG_THRESHOLD:
- g_value_set_int (value, pah->priv->drag_threshold);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-press_and_hold_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- GtkPressAndHold *pah = GTK_PRESS_AND_HOLD (object);
-
- switch (prop_id)
- {
- case PROP_HOLD_TIME:
- pah->priv->hold_time = g_value_get_int (value);
- break;
- case PROP_DRAG_THRESHOLD:
- pah->priv->hold_time = g_value_get_int (value);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gtk_press_and_hold_class_init (GtkPressAndHoldClass *class)
-{
- GObjectClass *object_class = (GObjectClass *)class;
-
- object_class->get_property = press_and_hold_get_property;
- object_class->set_property = press_and_hold_set_property;
- object_class->finalize = press_and_hold_finalize;
-
- signals[HOLD] =
- g_signal_new ("hold",
- GTK_TYPE_PRESS_AND_HOLD,
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (GtkPressAndHoldClass, hold),
- NULL, NULL, NULL,
- G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT);
-
- signals[TAP] =
- g_signal_new ("tap",
- GTK_TYPE_PRESS_AND_HOLD,
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (GtkPressAndHoldClass, tap),
- NULL, NULL, NULL,
- G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT);
-
- g_object_class_install_property (object_class, PROP_HOLD_TIME,
- g_param_spec_int ("hold-time", P_("Hold Time"), P_("Hold Time (in milliseconds)"),
- 0, G_MAXINT, 1000, GTK_PARAM_READWRITE));
-
- g_object_class_install_property (object_class, PROP_DRAG_THRESHOLD,
- g_param_spec_int ("drag-threshold", P_("Drag Threshold"), P_("Drag Threshold (in pixels)"),
- 1, G_MAXINT, 8, GTK_PARAM_READWRITE));
-}
-
-static void
-press_and_hold_cancel (GtkPressAndHold *pah)
-{
- GtkPressAndHoldPrivate *priv = pah->priv;
-
- if (priv->timeout)
- g_source_remove (priv->timeout);
-
- priv->timeout = 0;
- priv->sequence = NULL;
- priv->device = NULL;
- priv->button = 0;
-}
-
-static gboolean
-hold_action (gpointer data)
-{
- GtkPressAndHold *pah = data;
- GtkPressAndHoldPrivate *priv = pah->priv;
-
- press_and_hold_cancel (pah);
-
- g_signal_emit (pah, signals[HOLD], 0, priv->x, priv->y);
-
- return G_SOURCE_REMOVE;
-}
-
-void
-gtk_press_and_hold_process_event (GtkPressAndHold *pah,
- GdkEvent *event)
-{
- GtkPressAndHoldPrivate *priv = pah->priv;
-
- /* We're already tracking a different input, ignore */
- if ((event->type == GDK_TOUCH_BEGIN && priv->sequence != NULL) ||
- (event->type == GDK_BUTTON_PRESS && priv->device != NULL) ||
- (event->type == GDK_TOUCH_UPDATE && priv->sequence != event->touch.sequence) ||
- (event->type == GDK_TOUCH_END && priv->sequence != event->touch.sequence) ||
- (event->type == GDK_TOUCH_CANCEL && priv->sequence != event->touch.sequence) ||
- (event->type == GDK_BUTTON_RELEASE && priv->device != event->button.device) ||
- (event->type == GDK_BUTTON_RELEASE && priv->button != event->button.button) ||
- (event->type == GDK_MOTION_NOTIFY && priv->device != event->motion.device))
- return;
-
- if (event->type == GDK_TOUCH_BEGIN)
- {
- priv->sequence = event->touch.sequence;
- priv->x = event->touch.x;
- priv->y = event->touch.y;
- priv->start_x = priv->x;
- priv->start_y = priv->y;
- priv->timeout =
- gdk_threads_add_timeout (priv->hold_time, hold_action, pah);
- g_source_set_name_by_id (priv->timeout, "[gtk+] hold_action");
- }
- else if (event->type == GDK_TOUCH_UPDATE)
- {
- priv->x = event->touch.x;
- priv->y = event->touch.y;
- if (ABS (priv->x - priv->start_x) > priv->drag_threshold ||
- ABS (priv->y - priv->start_y) > priv->drag_threshold)
- press_and_hold_cancel (pah);
- }
- else if (event->type == GDK_TOUCH_END)
- {
- press_and_hold_cancel (pah);
- g_signal_emit (pah, signals[TAP], 0, priv->x, priv->y);
- }
- else if (event->type == GDK_TOUCH_CANCEL)
- {
- press_and_hold_cancel (pah);
- }
- else if (event->type == GDK_BUTTON_PRESS)
- {
- priv->device = event->button.device;
- priv->button = event->button.button;
- priv->x = event->button.x;
- priv->y = event->button.y;
- priv->start_x = priv->x;
- priv->start_y = priv->y;
- priv->timeout =
- gdk_threads_add_timeout (priv->hold_time, hold_action, pah);
- g_source_set_name_by_id (priv->timeout, "[gtk+] hold_action");
- }
- else if (event->type == GDK_BUTTON_RELEASE)
- {
- press_and_hold_cancel (pah);
- }
- else if (event->type == GDK_MOTION_NOTIFY)
- {
- priv->x = event->motion.x;
- priv->y = event->motion.y;
- if (ABS (priv->x - priv->start_x) > priv->drag_threshold ||
- ABS (priv->y - priv->start_y) > priv->drag_threshold)
- press_and_hold_cancel (pah);
- }
-}
-
-GtkPressAndHold *
-gtk_press_and_hold_new (void)
-{
- return (GtkPressAndHold *) g_object_new (GTK_TYPE_PRESS_AND_HOLD, NULL);
-}
+++ /dev/null
-/* GTK - The GIMP Toolkit
- * Copyright (C) 2012 Red Hat, Inc.
- *
- * 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/>.
- */
-
-#ifndef __GTK_PRESS_AND_HOLD_H__
-#define __GTK_PRESS_AND_HOLD_H__
-
-#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
-#error "Only <gtk/gtk.h> can be included directly."
-#endif
-
-G_BEGIN_DECLS
-
-#define GTK_TYPE_PRESS_AND_HOLD (gtk_press_and_hold_get_type ())
-#define GTK_PRESS_AND_HOLD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_PRESS_AND_HOLD, GtkPressAndHold))
-#define GTK_PRESS_AND_HOLD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_PRESS_AND_HOLD, GtkPressAndHoldClass))
-#define GTK_IS_PRESS_AND_HOLD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_PRESS_AND_HOLD))
-#define GTK_IS_PRESS_AND_HOLD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PRESS_AND_HOLD))
-#define GTK_PRESS_AND_HOLD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PRESS_AND_HOLD, GtkPressAndHoldClass))
-
-
-typedef struct _GtkPressAndHold GtkPressAndHold;
-typedef struct _GtkPressAndHoldClass GtkPressAndHoldClass;
-typedef struct _GtkPressAndHoldPrivate GtkPressAndHoldPrivate;
-
-struct _GtkPressAndHold
-{
- GObject parent;
-
- /*< private >*/
- GtkPressAndHoldPrivate *priv;
-};
-
-struct _GtkPressAndHoldClass
-{
- GObjectClass parent_class;
-
- void ( * hold) (GtkPressAndHold *pah, gint x, gint y);
- void ( * tap) (GtkPressAndHold *pah, gint x, gint y);
-};
-
-
-GType gtk_press_and_hold_get_type (void) G_GNUC_CONST;
-GtkPressAndHold * gtk_press_and_hold_new (void);
-void gtk_press_and_hold_process_event (GtkPressAndHold *pah,
- GdkEvent *event);
-
-G_END_DECLS
-
-#endif /* __GTK_PRESS_AND_HOLD_H__ */
projects / gtk4.git / commitdiff