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filechoosercell: Add a GtkDragSource

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Allow dragging one or more items.  If the item dragged is not part of
the current selection, only drag that item.
This commit is contained in:
Corey Berla 2022-10-19 09:20:53 -07:00 committed by Matthias Clasen
parent aac04a0995
commit f7dfead861
2 changed files with 58 additions and 4 deletions
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58
gtk/gtkfilechoosercell.c
View File

@ -23,9 +23,15 @@
#include "gtkprivate.h" #include "gtkprivate.h"
#include "gtkbinlayout.h" #include "gtkbinlayout.h"
#include "gtkdragsource.h"
#include "gtkgestureclick.h" #include "gtkgestureclick.h"
#include "gtkgesturelongpress.h" #include "gtkgesturelongpress.h"
#include "gtkicontheme.h"
#include "gtklistitem.h"
#include "gtkselectionmodel.h"
#include "gtkfilechooserutils.h"
#include "gtkfilechooserwidget.h" #include "gtkfilechooserwidget.h"
#include "gtkfilechooserwidgetprivate.h"
struct _GtkFileChooserCell struct _GtkFileChooserCell
{ {
@ -50,6 +56,8 @@ enum
PROP_ITEM, PROP_ITEM,
}; };
#define ICON_SIZE 16
static void static void
popup_menu (GtkFileChooserCell *self, popup_menu (GtkFileChooserCell *self,
double x, double x,
@ -91,10 +99,56 @@ file_chooser_cell_long_pressed (GtkEventController *controller,
popup_menu (self, x, y); popup_menu (self, x, y);
} }
static GdkContentProvider *
drag_prepare_cb (GtkDragSource *source,
double x,
double y,
gpointer user_data)
{
GdkContentProvider *provider;
GSList *selection;
GtkFileChooserWidget *impl;
GtkIconTheme *icon_theme;
GIcon *icon;
int scale;
GtkIconPaintable *paintable;
GtkFileChooserCell *self = user_data;
impl = GTK_FILE_CHOOSER_WIDGET (gtk_widget_get_ancestor (GTK_WIDGET (self),
GTK_TYPE_FILE_CHOOSER_WIDGET));
if (!self->selected)
{
gtk_selection_model_select_item (gtk_file_chooser_widget_get_selection_model (impl),
self->position, TRUE);
}
selection = gtk_file_chooser_widget_get_selected_files (impl);
if (!selection)
return NULL;
scale = gtk_widget_get_scale_factor (GTK_WIDGET (self));
icon_theme = gtk_icon_theme_get_for_display (gtk_widget_get_display (GTK_WIDGET (self)));
icon = _gtk_file_info_get_icon (self->item, ICON_SIZE, scale, icon_theme);
paintable = gtk_icon_theme_lookup_by_gicon (icon_theme,icon, ICON_SIZE, scale, GTK_TEXT_DIR_NONE, 0);
gtk_drag_source_set_icon (source, GDK_PAINTABLE (paintable), x, y);
provider = gdk_content_provider_new_typed (GDK_TYPE_FILE_LIST, selection);
g_slist_free_full (selection, g_object_unref);
g_object_unref (paintable);
g_object_unref (icon);
return provider;
}
static void static void
gtk_file_chooser_cell_init (GtkFileChooserCell *self) gtk_file_chooser_cell_init (GtkFileChooserCell *self)
{ {
GtkGesture *gesture; GtkGesture *gesture;
GtkDragSource *drag_source;
gesture = gtk_gesture_click_new (); gesture = gtk_gesture_click_new ();
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (gesture), GDK_BUTTON_SECONDARY); gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (gesture), GDK_BUTTON_SECONDARY);
@ -103,6 +157,10 @@ gtk_file_chooser_cell_init (GtkFileChooserCell *self)
gesture = gtk_gesture_long_press_new (); gesture = gtk_gesture_long_press_new ();
g_signal_connect (gesture, "pressed", G_CALLBACK (file_chooser_cell_long_pressed), NULL); g_signal_connect (gesture, "pressed", G_CALLBACK (file_chooser_cell_long_pressed), NULL);
drag_source = gtk_drag_source_new ();
gtk_widget_add_controller (GTK_WIDGET (self), GTK_EVENT_CONTROLLER (drag_source));
g_signal_connect (drag_source, "prepare", G_CALLBACK (drag_prepare_cb), self);
} }
static void static void

4
gtk/gtkfilechooserwidget.c
View File

@ -29,7 +29,6 @@
#include "gtkcolumnview.h" #include "gtkcolumnview.h"
#include "gtkcolumnviewcolumn.h" #include "gtkcolumnviewcolumn.h"
#include "gtkcssnumbervalueprivate.h" #include "gtkcssnumbervalueprivate.h"
#include "gtkdragsource.h"
#include "gtkdroptarget.h" #include "gtkdroptarget.h"
#include "gtkentry.h" #include "gtkentry.h"
#include "gtkfilechooserprivate.h" #include "gtkfilechooserprivate.h"
@ -40,7 +39,6 @@
#include "gtkfilesystemmodel.h" #include "gtkfilesystemmodel.h"
#include "gtkfilethumbnail.h" #include "gtkfilethumbnail.h"
#include "gtkgrid.h" #include "gtkgrid.h"
#include "gtkicontheme.h"
#include "gtklabel.h" #include "gtklabel.h"
#include "gtklistitem.h" #include "gtklistitem.h"
#include "gtkmarshalers.h" #include "gtkmarshalers.h"
@ -360,8 +358,6 @@ static guint signals[LAST_SIGNAL] = { 0 };
#define DEFAULT_RECENT_FILES_LIMIT 50 #define DEFAULT_RECENT_FILES_LIMIT 50
#define ICON_SIZE 16
static void gtk_file_chooser_widget_iface_init (GtkFileChooserIface *iface); static void gtk_file_chooser_widget_iface_init (GtkFileChooserIface *iface);
static void gtk_file_chooser_widget_constructed (GObject *object); static void gtk_file_chooser_widget_constructed (GObject *object);