forked from AuroraMiddleware/gtk
dnd: port to GtkIconHelper
This commit is contained in:
Cosimo Cecchi
parent
f085dde830
commit
adbfbb7278
302
gtk/gtkdnd.c
302
gtk/gtkdnd.c
@ -43,8 +43,8 @@
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#include "gtkdnd.h"
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#include "gtkiconfactory.h"
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#include "gtkiconhelperprivate.h"
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#include "gtkicontheme.h"
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#include "gtkimageprivate.h"
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#include "gtkinvisible.h"
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#include "gtkmain.h"
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#include "gtkplug.h"
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@ -97,15 +97,7 @@ struct _GtkDragSourceSite
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GtkTargetList *target_list; /* Targets for drag data */
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GdkDragAction actions; /* Possible actions */
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/* Drag icon */
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GtkImageType icon_type;
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union
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{
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GtkImagePixbufData pixbuf;
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GtkImageStockData stock;
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GtkImageIconNameData name;
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GtkImageGIconData gicon;
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} icon_data;
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GtkIconHelper *icon_helper;
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/* Stored button press information to detect drag beginning */
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gint state;
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@ -141,7 +133,7 @@ struct _GtkDragSourceInfo
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guint drop_timeout; /* Timeout for aborting drop */
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guint destroy_icon : 1; /* If true, destroy icon_window */
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guint have_grab : 1; /* Do we still have the pointer grab */
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GdkPixbuf *icon_pixbuf;
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GtkIconHelper *icon_helper;
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GdkCursor *drag_cursors[6];
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};
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@ -207,7 +199,8 @@ static void gtk_drag_get_event_actions (GdkEvent *event,
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GdkDragAction actions,
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GdkDragAction *suggested_action,
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GdkDragAction *possible_actions);
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static GdkCursor * gtk_drag_get_cursor (GdkDisplay *display,
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static GdkCursor * gtk_drag_get_cursor (GtkWidget *widget,
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GdkDisplay *display,
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GdkDragAction action,
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GtkDragSourceInfo *info);
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static void gtk_drag_update_cursor (GtkDragSourceInfo *info);
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@ -303,12 +296,11 @@ static gboolean gtk_drag_button_release_cb (GtkWidget *widget,
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gpointer data);
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static gboolean gtk_drag_abort_timeout (gpointer data);
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static void set_icon_stock_pixbuf (GdkDragContext *context,
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const gchar *stock_id,
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GdkPixbuf *pixbuf,
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gint hot_x,
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gint hot_y,
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gboolean force_window);
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static void set_icon_helper (GdkDragContext *context,
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GtkIconHelper *helper,
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gint hot_x,
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gint hot_y,
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gboolean force_window);
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/************************
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* Cursor and Icon data *
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@ -829,7 +821,8 @@ gtk_drag_can_use_rgba_cursor (GdkDisplay *display,
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}
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static GdkCursor *
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gtk_drag_get_cursor (GdkDisplay *display,
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gtk_drag_get_cursor (GtkWidget *widget,
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GdkDisplay *display,
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GdkDragAction action,
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GtkDragSourceInfo *info)
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{
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@ -871,12 +864,12 @@ gtk_drag_get_cursor (GdkDisplay *display,
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if (drag_cursors[i].cursor == NULL)
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drag_cursors[i].cursor = gdk_cursor_new_from_pixbuf (display, drag_cursors[i].pixbuf, 0, 0);
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if (info && info->icon_pixbuf)
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if (info && info->icon_helper)
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{
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gint cursor_width, cursor_height;
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gint icon_width, icon_height;
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gint width, height;
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GdkPixbuf *cursor_pixbuf, *pixbuf;
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GdkPixbuf *cursor_pixbuf, *pixbuf, *icon_pixbuf;
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gint hot_x, hot_y;
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gint icon_x, icon_y, ref_x, ref_y;
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@ -889,10 +882,13 @@ gtk_drag_get_cursor (GdkDisplay *display,
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info->drag_cursors[i] = NULL;
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}
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icon_pixbuf = _gtk_icon_helper_ensure_pixbuf (info->icon_helper,
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gtk_widget_get_style_context (widget));
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icon_x = info->hot_x;
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icon_y = info->hot_y;
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icon_width = gdk_pixbuf_get_width (info->icon_pixbuf);
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icon_height = gdk_pixbuf_get_height (info->icon_pixbuf);
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icon_width = gdk_pixbuf_get_width (icon_pixbuf);
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icon_height = gdk_pixbuf_get_height (icon_pixbuf);
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hot_x = hot_y = 0;
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cursor_pixbuf = gdk_cursor_get_image (drag_cursors[i].cursor);
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@ -1001,7 +997,7 @@ gtk_drag_get_cursor (GdkDisplay *display,
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gdk_pixbuf_fill (pixbuf, 0xff000000);
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gdk_pixbuf_composite (info->icon_pixbuf, pixbuf,
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gdk_pixbuf_composite (icon_pixbuf, pixbuf,
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ref_x - icon_x, ref_y - icon_y,
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icon_width, icon_height,
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ref_x - icon_x, ref_y - icon_y,
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@ -1022,6 +1018,7 @@ gtk_drag_get_cursor (GdkDisplay *display,
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}
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g_object_unref (cursor_pixbuf);
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g_object_unref (icon_pixbuf);
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if (info->drag_cursors[i] != NULL)
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return info->drag_cursors[i];
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@ -1047,7 +1044,8 @@ gtk_drag_update_cursor (GtkDragSourceInfo *info)
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if (i == G_N_ELEMENTS (drag_cursors))
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return;
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cursor = gtk_drag_get_cursor (gdk_cursor_get_display (info->cursor),
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cursor = gtk_drag_get_cursor (info->widget,
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gdk_cursor_get_display (info->cursor),
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drag_cursors[i].action, info);
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if (cursor != info->cursor)
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@ -2411,6 +2409,22 @@ gtk_drag_dest_drop (GtkWidget *widget,
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* Source side *
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***************/
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static GtkIconHelper *
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gtk_drag_source_site_get_icon_helper (GtkDragSourceSite *site)
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{
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GtkIconHelper *helper;
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if (site)
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helper = g_object_ref (site->icon_helper);
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else
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helper = _gtk_icon_helper_new ();
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if (_gtk_icon_helper_get_is_empty (helper))
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_gtk_icon_helper_set_stock_id (helper, GTK_STOCK_DND, GTK_ICON_SIZE_DND);
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return helper;
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}
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/* Like GtkDragBegin, but also takes a GtkDragSourceSite,
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* so that we can set the icon from the source site information
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*/
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@ -2439,7 +2453,8 @@ gtk_drag_begin_internal (GtkWidget *widget,
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gtk_drag_get_event_actions (event, button, actions,
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&suggested_action, &possible_actions);
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cursor = gtk_drag_get_cursor (gtk_widget_get_display (widget),
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cursor = gtk_drag_get_cursor (widget,
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gtk_widget_get_display (widget),
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suggested_action,
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NULL);
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@ -2546,46 +2561,16 @@ gtk_drag_begin_internal (GtkWidget *widget,
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* application may have set one in ::drag_begin, or it may
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* not have set one.
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*/
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if (!info->icon_window && !info->icon_pixbuf)
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{
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if (!site || site->icon_type == GTK_IMAGE_EMPTY)
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gtk_drag_set_icon_default (context);
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else
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switch (site->icon_type)
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{
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case GTK_IMAGE_PIXBUF:
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gtk_drag_set_icon_pixbuf (context,
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site->icon_data.pixbuf.pixbuf,
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-2, -2);
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break;
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case GTK_IMAGE_STOCK:
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gtk_drag_set_icon_stock (context,
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site->icon_data.stock.stock_id,
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-2, -2);
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break;
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case GTK_IMAGE_ICON_NAME:
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gtk_drag_set_icon_name (context,
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site->icon_data.name.icon_name,
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-2, -2);
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break;
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case GTK_IMAGE_GICON:
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gtk_drag_set_icon_gicon (context,
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site->icon_data.gicon.icon,
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-2, -2);
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break;
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case GTK_IMAGE_EMPTY:
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default:
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g_assert_not_reached();
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break;
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}
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}
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if (!info->icon_window && !info->icon_helper)
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info->icon_helper = gtk_drag_source_site_get_icon_helper (site);
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/* We need to composite the icon into the cursor, if we are
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* not using an icon window.
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*/
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if (info->icon_pixbuf)
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if (info->icon_helper)
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{
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cursor = gtk_drag_get_cursor (gtk_widget_get_display (widget),
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cursor = gtk_drag_get_cursor (widget,
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gtk_widget_get_display (widget),
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suggested_action,
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info);
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@ -2721,8 +2706,7 @@ gtk_drag_source_set (GtkWidget *widget,
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else
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{
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site = g_slice_new0 (GtkDragSourceSite);
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site->icon_type = GTK_IMAGE_EMPTY;
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site->icon_helper = _gtk_icon_helper_new ();
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g_signal_connect (widget, "button-press-event",
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G_CALLBACK (gtk_drag_source_event_cb),
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@ -2910,32 +2894,6 @@ gtk_drag_source_add_uri_targets (GtkWidget *widget)
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gtk_target_list_unref (target_list);
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}
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static void
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gtk_drag_source_unset_icon (GtkDragSourceSite *site)
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{
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switch (site->icon_type)
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{
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case GTK_IMAGE_EMPTY:
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break;
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case GTK_IMAGE_PIXBUF:
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g_object_unref (site->icon_data.pixbuf.pixbuf);
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break;
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case GTK_IMAGE_STOCK:
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g_free (site->icon_data.stock.stock_id);
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break;
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case GTK_IMAGE_ICON_NAME:
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g_free (site->icon_data.name.icon_name);
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break;
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case GTK_IMAGE_GICON:
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_gtk_image_gicon_data_clear (&(site->icon_data.gicon));
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break;
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default:
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g_assert_not_reached();
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break;
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}
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site->icon_type = GTK_IMAGE_EMPTY;
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}
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/**
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* gtk_drag_source_set_icon_pixbuf: (method)
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* @widget: a #GtkWidget
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@ -2958,10 +2916,7 @@ gtk_drag_source_set_icon_pixbuf (GtkWidget *widget,
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g_return_if_fail (site != NULL);
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g_object_ref (pixbuf);
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gtk_drag_source_unset_icon (site);
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site->icon_type = GTK_IMAGE_PIXBUF;
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site->icon_data.pixbuf.pixbuf = pixbuf;
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_gtk_icon_helper_set_pixbuf (site->icon_helper, pixbuf);
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}
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/**
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@ -2983,11 +2938,8 @@ gtk_drag_source_set_icon_stock (GtkWidget *widget,
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site = g_object_get_data (G_OBJECT (widget), "gtk-site-data");
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g_return_if_fail (site != NULL);
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gtk_drag_source_unset_icon (site);
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site->icon_type = GTK_IMAGE_STOCK;
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site->icon_data.stock.stock_id = g_strdup (stock_id);
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_gtk_icon_helper_set_stock_id (site->icon_helper, stock_id, GTK_ICON_SIZE_DND);
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}
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/**
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@ -3012,10 +2964,7 @@ gtk_drag_source_set_icon_name (GtkWidget *widget,
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site = g_object_get_data (G_OBJECT (widget), "gtk-site-data");
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g_return_if_fail (site != NULL);
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gtk_drag_source_unset_icon (site);
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site->icon_type = GTK_IMAGE_ICON_NAME;
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site->icon_data.name.icon_name = g_strdup (icon_name);
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_gtk_icon_helper_set_icon_name (site->icon_helper, icon_name, GTK_ICON_SIZE_DND);
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}
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/**
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@ -3040,10 +2989,7 @@ gtk_drag_source_set_icon_gicon (GtkWidget *widget,
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site = g_object_get_data (G_OBJECT (widget), "gtk-site-data");
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g_return_if_fail (site != NULL);
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gtk_drag_source_unset_icon (site);
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site->icon_type = GTK_IMAGE_GICON;
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site->icon_data.gicon.icon = g_object_ref (icon);
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_gtk_icon_helper_set_gicon (site->icon_helper, icon, GTK_ICON_SIZE_DND);
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}
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static void
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@ -3063,6 +3009,7 @@ gtk_drag_get_icon (GtkDragSourceInfo *info,
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gint save_hot_x, save_hot_y;
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gboolean save_destroy_icon;
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GtkWidget *save_icon_window;
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GtkIconHelper *helper;
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/* HACK to get the appropriate icon
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*/
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@ -3072,14 +3019,18 @@ gtk_drag_get_icon (GtkDragSourceInfo *info,
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save_destroy_icon = info->destroy_icon;
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info->icon_window = NULL;
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set_icon_stock_pixbuf (info->context,
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GTK_STOCK_DND, NULL, -2, -2, TRUE);
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helper = _gtk_icon_helper_new ();
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_gtk_icon_helper_set_stock_id (helper, GTK_STOCK_DND, GTK_ICON_SIZE_DND);
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set_icon_helper (info->context, helper, -2, -2, TRUE);
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info->fallback_icon = info->icon_window;
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info->icon_window = save_icon_window;
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info->hot_x = save_hot_x;
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info->hot_y = save_hot_y;
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info->destroy_icon = save_destroy_icon;
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g_object_unref (helper);
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}
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gtk_widget_hide (info->icon_window);
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@ -3149,11 +3100,8 @@ gtk_drag_set_icon_window (GdkDragContext *context,
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info->hot_y = hot_y;
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info->destroy_icon = destroy_on_release;
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if (widget && info->icon_pixbuf)
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{
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g_object_unref (info->icon_pixbuf);
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info->icon_pixbuf = NULL;
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}
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if (widget && info->icon_helper)
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g_clear_object (&info->icon_helper);
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gtk_drag_update_cursor (info);
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gtk_drag_update_icon (info);
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@ -3186,12 +3134,14 @@ gtk_drag_set_icon_widget (GdkDragContext *context,
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static void
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icon_window_realize (GtkWidget *window,
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GdkPixbuf *pixbuf)
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GtkIconHelper *helper)
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{
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cairo_surface_t *surface;
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cairo_pattern_t *pattern;
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cairo_t *cr;
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GdkPixbuf *pixbuf;
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pixbuf = _gtk_icon_helper_ensure_pixbuf (helper, gtk_widget_get_style_context (window));
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surface = gdk_window_create_similar_surface (gtk_widget_get_window (window),
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CAIRO_CONTENT_COLOR,
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gdk_pixbuf_get_width (pixbuf),
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@ -3232,15 +3182,16 @@ icon_window_realize (GtkWidget *window,
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cairo_surface_destroy (surface);
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}
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g_object_unref (pixbuf);
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}
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static void
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set_icon_stock_pixbuf (GdkDragContext *context,
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const gchar *stock_id,
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GdkPixbuf *pixbuf,
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gint hot_x,
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gint hot_y,
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gboolean force_window)
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set_icon_helper (GdkDragContext *context,
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GtkIconHelper *helper,
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gint hot_x,
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gint hot_y,
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gboolean force_window)
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{
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GtkWidget *window;
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gint width, height;
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@ -3248,8 +3199,7 @@ set_icon_stock_pixbuf (GdkDragContext *context,
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GdkDisplay *display;
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g_return_if_fail (context != NULL);
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g_return_if_fail (pixbuf != NULL || stock_id != NULL);
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g_return_if_fail (pixbuf == NULL || stock_id == NULL);
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g_return_if_fail (helper != NULL);
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screen = gdk_window_get_screen (gdk_drag_context_get_source_window (context));
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@ -3261,25 +3211,10 @@ set_icon_stock_pixbuf (GdkDragContext *context,
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gtk_widget_set_events (window, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
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gtk_widget_set_app_paintable (window, TRUE);
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if (stock_id)
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{
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pixbuf = gtk_widget_render_icon_pixbuf (window, stock_id,
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GTK_ICON_SIZE_DND);
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if (!pixbuf)
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{
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g_warning ("Cannot load drag icon from stock_id %s", stock_id);
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gtk_widget_destroy (window);
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return;
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}
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}
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else
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g_object_ref (pixbuf);
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display = gdk_window_get_display (gdk_drag_context_get_source_window (context));
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width = gdk_pixbuf_get_width (pixbuf);
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height = gdk_pixbuf_get_height (pixbuf);
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_gtk_icon_helper_get_size (helper,
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gtk_widget_get_style_context (window),
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&width, &height);
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if (!force_window &&
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gtk_drag_can_use_rgba_cursor (display, width + 2, height + 2))
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@ -3290,9 +3225,9 @@ set_icon_stock_pixbuf (GdkDragContext *context,
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info = gtk_drag_get_source_info (context, FALSE);
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if (info->icon_pixbuf)
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g_object_unref (info->icon_pixbuf);
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info->icon_pixbuf = pixbuf;
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if (info->icon_helper)
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g_object_unref (info->icon_helper);
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info->icon_helper = g_object_ref (helper);
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||||
|
||||
gtk_drag_set_icon_window (context, NULL, hot_x, hot_y, TRUE);
|
||||
}
|
||||
@ -3302,7 +3237,7 @@ set_icon_stock_pixbuf (GdkDragContext *context,
|
||||
|
||||
g_signal_connect_closure (window, "realize",
|
||||
g_cclosure_new (G_CALLBACK (icon_window_realize),
|
||||
pixbuf,
|
||||
g_object_ref (helper),
|
||||
(GClosureNotify)g_object_unref),
|
||||
FALSE);
|
||||
|
||||
@ -3326,10 +3261,16 @@ gtk_drag_set_icon_pixbuf (GdkDragContext *context,
|
||||
gint hot_x,
|
||||
gint hot_y)
|
||||
{
|
||||
GtkIconHelper *icon;
|
||||
|
||||
g_return_if_fail (GDK_IS_DRAG_CONTEXT (context));
|
||||
g_return_if_fail (GDK_IS_PIXBUF (pixbuf));
|
||||
|
||||
set_icon_stock_pixbuf (context, NULL, pixbuf, hot_x, hot_y, FALSE);
|
||||
icon = _gtk_icon_helper_new ();
|
||||
_gtk_icon_helper_set_pixbuf (icon, pixbuf);
|
||||
set_icon_helper (context, icon, hot_x, hot_y, FALSE);
|
||||
|
||||
g_object_unref (icon);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -3348,10 +3289,16 @@ gtk_drag_set_icon_stock (GdkDragContext *context,
|
||||
gint hot_x,
|
||||
gint hot_y)
|
||||
{
|
||||
GtkIconHelper *icon;
|
||||
|
||||
g_return_if_fail (GDK_IS_DRAG_CONTEXT (context));
|
||||
g_return_if_fail (stock_id != NULL);
|
||||
|
||||
set_icon_stock_pixbuf (context, stock_id, NULL, hot_x, hot_y, FALSE);
|
||||
|
||||
icon = _gtk_icon_helper_new ();
|
||||
_gtk_icon_helper_set_stock_id (icon, stock_id, GTK_ICON_SIZE_DND);
|
||||
set_icon_helper (context, icon, hot_x, hot_y, FALSE);
|
||||
|
||||
g_object_unref (icon);
|
||||
}
|
||||
|
||||
/* XXX: This function is in gdk, too. Should it be in Cairo? */
|
||||
@ -3503,13 +3450,15 @@ gtk_drag_set_icon_name (GdkDragContext *context,
|
||||
gint hot_x,
|
||||
gint hot_y)
|
||||
{
|
||||
GIcon *icon;
|
||||
GtkIconHelper *icon;
|
||||
|
||||
g_return_if_fail (GDK_IS_DRAG_CONTEXT (context));
|
||||
g_return_if_fail (icon_name != NULL);
|
||||
|
||||
icon = g_themed_icon_new (icon_name);
|
||||
gtk_drag_set_icon_gicon (context, icon, hot_x, hot_y);
|
||||
icon = _gtk_icon_helper_new ();
|
||||
_gtk_icon_helper_set_icon_name (icon, icon_name, GTK_ICON_SIZE_DND);
|
||||
set_icon_helper (context, icon, hot_x, hot_y, FALSE);
|
||||
|
||||
g_object_unref (icon);
|
||||
}
|
||||
|
||||
@ -3533,45 +3482,16 @@ gtk_drag_set_icon_gicon (GdkDragContext *context,
|
||||
gint hot_x,
|
||||
gint hot_y)
|
||||
{
|
||||
GdkScreen *screen;
|
||||
GtkSettings *settings;
|
||||
GtkIconTheme *icon_theme;
|
||||
GtkIconInfo *icon_info;
|
||||
GdkPixbuf *pixbuf;
|
||||
gint width, height, icon_size;
|
||||
GtkIconHelper *helper;
|
||||
|
||||
g_return_if_fail (GDK_IS_DRAG_CONTEXT (context));
|
||||
g_return_if_fail (icon != NULL);
|
||||
|
||||
screen = gdk_window_get_screen (gdk_drag_context_get_source_window (context));
|
||||
g_return_if_fail (screen != NULL);
|
||||
helper = _gtk_icon_helper_new ();
|
||||
_gtk_icon_helper_set_gicon (helper, icon, GTK_ICON_SIZE_DND);
|
||||
set_icon_helper (context, helper, hot_x, hot_y, FALSE);
|
||||
|
||||
settings = gtk_settings_get_for_screen (screen);
|
||||
if (gtk_icon_size_lookup_for_settings (settings,
|
||||
GTK_ICON_SIZE_DND,
|
||||
&width, &height))
|
||||
icon_size = MAX (width, height);
|
||||
else
|
||||
icon_size = 32; /* default value for GTK_ICON_SIZE_DND */
|
||||
|
||||
icon_theme = gtk_icon_theme_get_for_screen (screen);
|
||||
|
||||
icon_info = gtk_icon_theme_lookup_by_gicon (icon_theme, icon, icon_size, 0);
|
||||
if (icon_info != NULL)
|
||||
{
|
||||
pixbuf = gtk_icon_info_load_icon (icon_info, NULL);
|
||||
}
|
||||
else
|
||||
pixbuf = NULL;
|
||||
|
||||
if (pixbuf)
|
||||
set_icon_stock_pixbuf (context, NULL, pixbuf, hot_x, hot_y, FALSE);
|
||||
else
|
||||
{
|
||||
char *str = g_icon_to_string (icon);
|
||||
g_warning ("Cannot load drag icon from GIcon '%s'", str);
|
||||
g_free (str);
|
||||
}
|
||||
g_object_unref (helper);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -3647,7 +3567,8 @@ _gtk_drag_source_handle_event (GtkWidget *widget,
|
||||
}
|
||||
else if (info->have_grab)
|
||||
{
|
||||
cursor = gtk_drag_get_cursor (gtk_widget_get_display (widget),
|
||||
cursor = gtk_drag_get_cursor (widget,
|
||||
gtk_widget_get_display (widget),
|
||||
gdk_drag_context_get_selected_action (event->dnd.context),
|
||||
info);
|
||||
if (info->cursor != cursor)
|
||||
@ -3786,8 +3707,8 @@ gtk_drag_drop_finished (GtkDragSourceInfo *info,
|
||||
info->cur_screen = gtk_widget_get_screen (info->widget);
|
||||
|
||||
if (!info->icon_window)
|
||||
set_icon_stock_pixbuf (info->context, NULL, info->icon_pixbuf,
|
||||
0, 0, TRUE);
|
||||
set_icon_helper (info->context, info->icon_helper,
|
||||
0, 0, TRUE);
|
||||
|
||||
gtk_drag_update_icon (info);
|
||||
|
||||
@ -3950,7 +3871,7 @@ gtk_drag_source_site_destroy (gpointer data)
|
||||
if (site->target_list)
|
||||
gtk_target_list_unref (site->target_list);
|
||||
|
||||
gtk_drag_source_unset_icon (site);
|
||||
g_clear_object (&site->icon_helper);
|
||||
g_slice_free (GtkDragSourceSite, site);
|
||||
}
|
||||
|
||||
@ -4093,12 +4014,7 @@ gtk_drag_source_info_destroy (GtkDragSourceInfo *info)
|
||||
}
|
||||
|
||||
gtk_drag_remove_icon (info);
|
||||
|
||||
if (info->icon_pixbuf)
|
||||
{
|
||||
g_object_unref (info->icon_pixbuf);
|
||||
info->icon_pixbuf = NULL;
|
||||
}
|
||||
g_clear_object (&info->icon_helper);
|
||||
|
||||
g_signal_handlers_disconnect_by_func (info->ipc_widget,
|
||||
gtk_drag_grab_broken_event_cb,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user