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calendar: Port to GtkDragSource

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This commit is contained in:
Matthias Clasen 2019-12-31 02:20:49 -05:00
parent d145032cb6
commit 2803a15a51
1 changed files with 31 additions and 35 deletions
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66
gtk/gtkcalendar.c
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@ -87,6 +87,7 @@
#include "gtkgesturedrag.h"
#include "gtkeventcontrollerscroll.h"
#include "gtkeventcontrollerkey.h"
#include "gtkdragsource.h"
#define TIMEOUT_INITIAL 500
#define TIMEOUT_REPEAT 50
@ -329,9 +330,6 @@ static gboolean gtk_calendar_query_tooltip (GtkWidget *widget,
gboolean keyboard_mode,
GtkTooltip *tooltip);
static void gtk_calendar_drag_data_get (GtkWidget *widget,
GdkDrag *drag,
GtkSelectionData *selection_data);
static void gtk_calendar_drag_data_received (GtkWidget *widget,
GdkDrop *drop,
GtkSelectionData *selection_data);
@ -392,7 +390,6 @@ gtk_calendar_class_init (GtkCalendarClass *class)
widget_class->grab_notify = gtk_calendar_grab_notify;
widget_class->query_tooltip = gtk_calendar_query_tooltip;
widget_class->drag_data_get = gtk_calendar_drag_data_get;
widget_class->drag_motion = gtk_calendar_drag_motion;
widget_class->drag_leave = gtk_calendar_drag_leave;
widget_class->drag_drop = gtk_calendar_drag_drop;
@ -2670,6 +2667,27 @@ gtk_calendar_drag_begin (GtkGestureDrag *gesture,
priv->in_drag = TRUE;
}
static GdkContentProvider *
get_calendar_content (GtkCalendar *calendar)
{
GtkCalendarPrivate *priv = gtk_calendar_get_instance_private (calendar);
GDate *date;
gchar str[128];
GValue value = G_VALUE_INIT;
GdkContentProvider *content;
date = g_date_new_dmy (priv->selected_day, priv->month + 1, priv->year);
g_date_strftime (str, 127, "%x", date);
g_free (date);
g_value_init (&value, G_TYPE_STRING);
g_value_set_string (&value, str);
content = gdk_content_provider_new_for_value (&value);
g_value_unset (&value);
return content;
}
static void
gtk_calendar_drag_update (GtkGestureDrag *gesture,
double x,
@ -2680,8 +2698,9 @@ gtk_calendar_drag_update (GtkGestureDrag *gesture,
GtkCalendar *calendar = GTK_CALENDAR (widget);
GtkCalendarPrivate *priv = gtk_calendar_get_instance_private (calendar);
gdouble start_x, start_y;
GdkDrag *drag;
GdkContentFormats *targets;
GtkDragSource *source;
GdkContentProvider *content;
GdkDevice *device;
if (!priv->in_drag)
return;
@ -2691,19 +2710,14 @@ gtk_calendar_drag_update (GtkGestureDrag *gesture,
gtk_gesture_drag_get_start_point (gesture, &start_x, &start_y);
gtk_event_controller_reset (GTK_EVENT_CONTROLLER (gesture));
targets = gdk_content_formats_new (NULL, 0);
targets = gtk_content_formats_add_text_targets (targets);
drag = gtk_drag_begin (widget,
gtk_gesture_get_device (GTK_GESTURE (gesture)),
targets, GDK_ACTION_COPY,
start_x, start_y);
content = get_calendar_content (calendar);
source = gtk_drag_source_new (content, GDK_ACTION_COPY);
g_object_unref (content);
device = gtk_gesture_get_device (GTK_GESTURE (gesture));
gtk_drag_source_drag_begin (source, widget, device, start_x, start_y);
g_object_unref (source);
priv->in_drag = 0;
gdk_content_formats_unref (targets);
gtk_drag_set_icon_default (drag);
}
static gboolean
@ -2923,24 +2937,6 @@ gtk_calendar_grab_notify (GtkWidget *widget,
* Drag and Drop *
****************************************/
static void
gtk_calendar_drag_data_get (GtkWidget *widget,
GdkDrag *drag,
GtkSelectionData *selection_data)
{
GtkCalendar *calendar = GTK_CALENDAR (widget);
GtkCalendarPrivate *priv = gtk_calendar_get_instance_private (calendar);
GDate *date;
gchar str[128];
gsize len;
date = g_date_new_dmy (priv->selected_day, priv->month + 1, priv->year);
len = g_date_strftime (str, 127, "%x", date);
gtk_selection_data_set_text (selection_data, str, len);
g_free (date);
}
/* Get/set whether drag_motion requested the drag data and
* drag_data_received should thus not actually insert the data,
* since the data doesn’t result from a drop.