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iconview: Use a motion event controller

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This can replace ::motion-notify-event and ::leave-notify-event.
This commit is contained in:
Matthias Clasen 2018-01-01 23:48:32 -05:00
parent ab4f4fb045
commit 118424bd93
2 changed files with 47 additions and 35 deletions
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80
gtk/gtkiconview.c
View File

@ -156,10 +156,12 @@ static void gtk_icon_view_size_allocate (GtkWidget
GtkAllocation *out_clip);
static void gtk_icon_view_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot);
static gboolean gtk_icon_view_motion (GtkWidget *widget,
GdkEventMotion *event);
static gboolean gtk_icon_view_leave (GtkWidget *widget,
GdkEventCrossing *event);
static void gtk_icon_view_motion (GtkEventController *controller,
double x,
double y,
gpointer user_data);
static void gtk_icon_view_leave (GtkEventController *controller,
gpointer user_data);
static void gtk_icon_view_button_press (GtkGestureMultiPress *gesture,
int n_press,
double x,
@ -301,8 +303,10 @@ static void gtk_icon_view_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
GtkSelectionData *selection_data,
guint time);
static gboolean gtk_icon_view_maybe_begin_drag (GtkIconView *icon_view,
GdkEventMotion *event);
static gboolean gtk_icon_view_maybe_begin_drag (GtkIconView *icon_view,
double x,
double y,
GdkDevice *device);
static void remove_scroll_timeout (GtkIconView *icon_view);
@ -355,8 +359,6 @@ gtk_icon_view_class_init (GtkIconViewClass *klass)
widget_class->measure = gtk_icon_view_measure;
widget_class->size_allocate = gtk_icon_view_size_allocate;
widget_class->snapshot = gtk_icon_view_snapshot;
widget_class->motion_notify_event = gtk_icon_view_motion;
widget_class->leave_notify_event = gtk_icon_view_leave;
widget_class->key_press_event = gtk_icon_view_key_press;
widget_class->key_release_event = gtk_icon_view_key_release;
widget_class->drag_begin = gtk_icon_view_drag_begin;
@ -978,6 +980,12 @@ gtk_icon_view_init (GtkIconView *icon_view)
icon_view);
g_signal_connect (icon_view->priv->press_gesture, "released", G_CALLBACK (gtk_icon_view_button_release),
icon_view);
icon_view->priv->motion_controller = gtk_event_controller_motion_new (GTK_WIDGET (icon_view));
g_signal_connect (icon_view->priv->motion_controller, "leave", G_CALLBACK (gtk_icon_view_leave),
icon_view);
g_signal_connect (icon_view->priv->motion_controller, "motion", G_CALLBACK (gtk_icon_view_motion),
icon_view);
}
/* GObject methods */
@ -1027,6 +1035,7 @@ gtk_icon_view_dispose (GObject *object)
}
g_clear_object (&priv->press_gesture);
g_clear_object (&priv->motion_controller);
G_OBJECT_CLASS (gtk_icon_view_parent_class)->dispose (object);
}
@ -1800,30 +1809,35 @@ _gtk_icon_view_get_item_at_widget_coords (GtkIconView *icon_view,
only_in_cell, cell_at_pos);
}
static gboolean
gtk_icon_view_motion (GtkWidget *widget,
GdkEventMotion *event)
static void
gtk_icon_view_motion (GtkEventController *controller,
double x,
double y,
gpointer user_data)
{
GtkIconView *icon_view;
gint abs_y;
icon_view = GTK_ICON_VIEW (widget);
GdkDevice *device;
gdk_event_get_coords ((const GdkEvent *)event, &icon_view->priv->mouse_x, &icon_view->priv->mouse_y);
icon_view = GTK_ICON_VIEW (user_data);
gtk_icon_view_maybe_begin_drag (icon_view, event);
icon_view->priv->mouse_x = x;
icon_view->priv->mouse_y = y;
device = gtk_get_current_event_device (); /* FIXME: controller device */
gtk_icon_view_maybe_begin_drag (icon_view, x, y, device);
if (icon_view->priv->doing_rubberband)
{
int height;
gtk_icon_view_update_rubberband (icon_view);
abs_y = icon_view->priv->mouse_y - icon_view->priv->height *
(gtk_adjustment_get_value (icon_view->priv->vadjustment) /
(gtk_adjustment_get_upper (icon_view->priv->vadjustment) -
gtk_adjustment_get_lower (icon_view->priv->vadjustment)));
height = gtk_widget_get_height (widget);
height = gtk_widget_get_height (GTK_WIDGET (icon_view));
if (abs_y < 0 || abs_y > height)
@ -1842,7 +1856,7 @@ gtk_icon_view_motion (GtkWidget *widget,
g_source_set_name_by_id (icon_view->priv->scroll_timeout_id, "[gtk+] rubberband_scroll_timeout");
}
}
else
else
remove_scroll_timeout (icon_view);
}
else
@ -1873,18 +1887,16 @@ gtk_icon_view_motion (GtkWidget *widget,
icon_view->priv->last_prelight = item;
}
}
return TRUE;
}
static gboolean
gtk_icon_view_leave (GtkWidget *widget,
GdkEventCrossing *event)
static void
gtk_icon_view_leave (GtkEventController *controller,
gpointer user_data)
{
GtkIconView *icon_view;
GtkIconViewPrivate *priv;
icon_view = GTK_ICON_VIEW (widget);
icon_view = GTK_ICON_VIEW (user_data);
priv = icon_view->priv;
if (priv->last_prelight)
@ -1892,8 +1904,6 @@ gtk_icon_view_leave (GtkWidget *widget,
gtk_icon_view_queue_draw_item (icon_view, priv->last_prelight);
priv->last_prelight = NULL;
}
return FALSE;
}
static void
@ -6140,21 +6150,21 @@ get_logical_destination (GtkIconView *icon_view,
}
static gboolean
gtk_icon_view_maybe_begin_drag (GtkIconView *icon_view,
GdkEventMotion *event)
gtk_icon_view_maybe_begin_drag (GtkIconView *icon_view,
double x,
double y,
GdkDevice *device)
{
GtkWidget *widget = GTK_WIDGET (icon_view);
GdkDragContext *context;
GtkTreePath *path = NULL;
GtkTreeModel *model;
gboolean retval = FALSE;
gdouble x, y;
if (!icon_view->priv->source_set)
goto out;
if (icon_view->priv->pressed_button < 0 ||
!gdk_event_get_coords ((GdkEvent *) event, &x, &y))
if (icon_view->priv->pressed_button < 0)
goto out;
if (!gtk_drag_check_threshold (GTK_WIDGET (icon_view),
@ -6187,18 +6197,18 @@ gtk_icon_view_maybe_begin_drag (GtkIconView *icon_view,
*/
/* Now we can begin the drag */
retval = TRUE;
context = gtk_drag_begin_with_coordinates (widget,
gdk_event_get_device ((GdkEvent*) event),
device,
gtk_drag_source_get_target_list (widget),
icon_view->priv->source_actions,
icon_view->priv->press_start_x,
icon_view->priv->press_start_y);
set_source_row (context, model, path);
out:
if (path)
gtk_tree_path_free (path);
@ -6207,7 +6217,7 @@ gtk_icon_view_maybe_begin_drag (GtkIconView *icon_view,
}
/* Source side drag signals */
static void
static void
gtk_icon_view_drag_begin (GtkWidget *widget,
GdkDragContext *context)
{

2
gtk/gtkiconviewprivate.h
View File

@ -18,6 +18,7 @@
#include "gtk/gtkiconview.h"
#include "gtk/gtkcssnodeprivate.h"
#include "gtk/gtkgesturemultipress.h"
#include "gtk/gtkeventcontrollermotion.h"
#ifndef __GTK_ICON_VIEW_PRIVATE_H__
#define __GTK_ICON_VIEW_PRIVATE_H__
@ -60,6 +61,7 @@ struct _GtkIconViewPrivate
GList *items;
GtkGesture *press_gesture;
GtkEventController *motion_controller;
GtkAdjustment *hadjustment;
GtkAdjustment *vadjustment;