forked from AuroraMiddleware/gtk
f4f683a469
Make it more clear that the function is supposed to be called during the dispose sequence of a widget.
409 lines
13 KiB
C
409 lines
13 KiB
C
/*
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* Copyright (c) 2021 Benjamin Otte
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <glib/gi18n-lib.h>
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#include "clipboard.h"
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#include "gtkdataviewer.h"
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#include "window.h"
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#include "gtkbinlayout.h"
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#include "gtkbox.h"
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#include "gtkdebug.h"
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#include "gtkdropcontrollermotion.h"
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#include "gtklabel.h"
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#include "gtklistbox.h"
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#include "gtktogglebutton.h"
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struct _GtkInspectorClipboard
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{
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GtkWidget parent;
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GdkDisplay *display;
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GtkWidget *swin;
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GtkWidget *dnd_formats;
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GtkWidget *dnd_info;
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GtkWidget *clipboard_formats;
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GtkWidget *clipboard_info;
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GtkWidget *primary_formats;
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GtkWidget *primary_info;
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};
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typedef struct _GtkInspectorClipboardClass
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{
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GtkWidgetClass parent_class;
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} GtkInspectorClipboardClass;
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G_DEFINE_TYPE (GtkInspectorClipboard, gtk_inspector_clipboard, GTK_TYPE_WIDGET)
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static void
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load_gtype_value (GObject *source,
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GAsyncResult *res,
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gpointer data)
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{
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GtkDataViewer *viewer = data;
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const GValue *value;
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GError *error = NULL;
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if (GDK_IS_CLIPBOARD (source))
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value = gdk_clipboard_read_value_finish (GDK_CLIPBOARD (source), res, &error);
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else if (GDK_IS_DROP (source))
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value = gdk_drop_read_value_finish (GDK_DROP (source), res, &error);
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else
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g_assert_not_reached ();
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if (value == NULL)
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gtk_data_viewer_load_error (viewer, error);
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else
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gtk_data_viewer_load_value (viewer, value);
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g_object_unref (viewer);
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}
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static gboolean
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load_gtype (GtkDataViewer *viewer,
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GCancellable *cancellable,
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gpointer gtype)
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{
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GObject *data_source = g_object_get_data (G_OBJECT (viewer), "data-source");
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if (GDK_IS_CLIPBOARD (data_source))
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{
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gdk_clipboard_read_value_async (GDK_CLIPBOARD (data_source),
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GPOINTER_TO_SIZE (gtype),
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G_PRIORITY_DEFAULT,
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cancellable,
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load_gtype_value,
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g_object_ref (viewer));
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}
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else if (GDK_IS_DROP (data_source))
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{
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gdk_drop_read_value_async (GDK_DROP (data_source),
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GPOINTER_TO_SIZE (gtype),
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G_PRIORITY_DEFAULT,
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cancellable,
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load_gtype_value,
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g_object_ref (viewer));
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}
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else
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{
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g_assert_not_reached ();
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}
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return TRUE;
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}
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static void
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load_mime_type_stream (GObject *source,
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GAsyncResult *res,
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gpointer data)
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{
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GtkDataViewer *viewer = data;
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GInputStream *stream;
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GError *error = NULL;
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const char *mime_type;
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if (GDK_IS_CLIPBOARD (source))
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stream = gdk_clipboard_read_finish (GDK_CLIPBOARD (source), res, &mime_type, &error);
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else if (GDK_IS_DROP (source))
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stream = gdk_drop_read_finish (GDK_DROP (source), res, &mime_type, &error);
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else
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g_assert_not_reached ();
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if (stream == NULL)
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gtk_data_viewer_load_error (viewer, error);
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else
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gtk_data_viewer_load_stream (viewer, stream, mime_type);
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g_object_unref (viewer);
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}
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static gboolean
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load_mime_type (GtkDataViewer *viewer,
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GCancellable *cancellable,
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gpointer mime_type)
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{
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GObject *data_source = g_object_get_data (G_OBJECT (viewer), "data-source");
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if (GDK_IS_CLIPBOARD (data_source))
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{
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gdk_clipboard_read_async (GDK_CLIPBOARD (data_source),
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(const char *[2]) { mime_type, NULL },
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G_PRIORITY_DEFAULT,
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cancellable,
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load_mime_type_stream,
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g_object_ref (viewer));
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}
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else if (GDK_IS_DROP (data_source))
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{
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gdk_drop_read_async (GDK_DROP (data_source),
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(const char *[2]) { mime_type, NULL },
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G_PRIORITY_DEFAULT,
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cancellable,
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load_mime_type_stream,
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g_object_ref (viewer));
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}
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else
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{
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g_assert_not_reached ();
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}
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return TRUE;
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}
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static void
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on_drop_row_enter (GtkDropControllerMotion *motion,
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double x,
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double y,
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GtkWidget *viewer)
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{
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gtk_widget_set_visible (viewer, TRUE);
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}
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static void
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add_content_type_row (GtkInspectorClipboard *self,
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GtkListBox *list,
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const char *type_name,
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GObject *data_source,
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GCallback load_func,
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gpointer load_func_data)
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{
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GtkWidget *row, *vbox, *hbox, *label, *viewer, *button;
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 40);
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gtk_box_append (GTK_BOX (vbox), hbox);
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label = gtk_label_new (type_name);
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gtk_widget_set_halign (label, GTK_ALIGN_START);
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gtk_widget_set_valign (label, GTK_ALIGN_BASELINE);
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gtk_label_set_xalign (GTK_LABEL (label), 0.0);
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gtk_widget_set_hexpand (label, TRUE);
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gtk_box_append (GTK_BOX (hbox), label);
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viewer = gtk_data_viewer_new ();
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g_signal_connect (viewer, "load", load_func, load_func_data);
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g_object_set_data (G_OBJECT (viewer), "data-source", data_source);
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gtk_box_append (GTK_BOX (vbox), viewer);
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if (GDK_IS_CLIPBOARD (data_source))
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{
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button = gtk_toggle_button_new_with_label (_("Show"));
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gtk_widget_set_halign (button, GTK_ALIGN_END);
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gtk_widget_set_valign (button, GTK_ALIGN_BASELINE);
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gtk_box_append (GTK_BOX (hbox), button);
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g_object_bind_property (G_OBJECT (button), "active",
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G_OBJECT (viewer), "visible",
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G_BINDING_SYNC_CREATE);
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}
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else
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{
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GtkEventController *controller = gtk_drop_controller_motion_new ();
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g_signal_connect (controller, "enter", G_CALLBACK (on_drop_row_enter), viewer);
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gtk_widget_add_controller (vbox, controller);
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gtk_widget_set_visible (viewer, FALSE);
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label = gtk_label_new (_("Hover to load"));
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g_object_bind_property (G_OBJECT (viewer), "visible",
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G_OBJECT (label), "visible",
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G_BINDING_SYNC_CREATE | G_BINDING_INVERT_BOOLEAN);
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gtk_widget_set_halign (label, GTK_ALIGN_END);
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gtk_widget_set_valign (label, GTK_ALIGN_BASELINE);
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gtk_box_append (GTK_BOX (hbox), label);
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}
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row = gtk_list_box_row_new ();
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gtk_list_box_row_set_child (GTK_LIST_BOX_ROW (row), vbox);
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gtk_list_box_row_set_activatable (GTK_LIST_BOX_ROW (row), FALSE);
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gtk_list_box_insert (list, row, -1);
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}
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static void
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init_formats (GtkInspectorClipboard *self,
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GtkListBox *list,
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GdkContentFormats *formats,
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GObject *data_source)
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{
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GtkListBoxRow *row;
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const char * const *mime_types;
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const GType *gtypes;
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gsize i, n;
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while ((row = gtk_list_box_get_row_at_index (list, 1)))
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gtk_list_box_remove (list, GTK_WIDGET (row));
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gtypes = gdk_content_formats_get_gtypes (formats, &n);
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for (i = 0; i < n; i++)
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add_content_type_row (self, list, g_type_name (gtypes[i]), data_source, G_CALLBACK (load_gtype), GSIZE_TO_POINTER (gtypes[i]));
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mime_types = gdk_content_formats_get_mime_types (formats, &n);
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for (i = 0; i < n; i++)
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add_content_type_row (self, list, mime_types[i], data_source, G_CALLBACK (load_mime_type), (gpointer) mime_types[i]);
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}
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static void
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init_info (GtkInspectorClipboard *self,
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GtkLabel *label,
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GdkClipboard *clipboard)
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{
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GdkContentFormats *formats;
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formats = gdk_clipboard_get_formats (clipboard);
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if (gdk_content_formats_get_gtypes (formats, NULL) == NULL &&
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gdk_content_formats_get_mime_types (formats, NULL) == NULL)
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{
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gtk_label_set_text (label, C_("clipboard", "empty"));
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return;
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}
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if (gdk_clipboard_is_local (clipboard))
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gtk_label_set_text (label, C_("clipboard", "local"));
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else
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gtk_label_set_text (label, C_("clipboard", "remote"));
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}
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static void
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clipboard_notify (GdkClipboard *clipboard,
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GParamSpec *pspec,
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GtkInspectorClipboard *self)
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{
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if (g_str_equal (pspec->name, "formats"))
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{
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init_formats (self, GTK_LIST_BOX (self->clipboard_formats), gdk_clipboard_get_formats (clipboard), G_OBJECT (clipboard));
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}
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init_info (self, GTK_LABEL (self->clipboard_info), clipboard);
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}
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static void
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primary_notify (GdkClipboard *clipboard,
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GParamSpec *pspec,
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GtkInspectorClipboard *self)
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{
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if (g_str_equal (pspec->name, "formats"))
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{
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init_formats (self, GTK_LIST_BOX (self->primary_formats), gdk_clipboard_get_formats (clipboard), G_OBJECT (clipboard));
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}
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init_info (self, GTK_LABEL (self->primary_info), clipboard);
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}
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static void
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on_drop_enter (GtkDropControllerMotion *motion,
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double x,
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double y,
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GtkInspectorClipboard *self)
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{
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GdkDrop *drop = gtk_drop_controller_motion_get_drop (motion);
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init_formats (self, GTK_LIST_BOX (self->dnd_formats), gdk_drop_get_formats (drop), G_OBJECT (drop));
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if (gdk_drop_get_drag (drop))
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gtk_label_set_text (GTK_LABEL (self->dnd_info), C_("clipboard", "local"));
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else
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gtk_label_set_text (GTK_LABEL (self->dnd_info), C_("clipboard", "remote"));
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}
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static void
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gtk_inspector_clipboard_unset_display (GtkInspectorClipboard *self)
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{
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GdkClipboard *clipboard;
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if (self->display == NULL)
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return;
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clipboard = gdk_display_get_clipboard (self->display);
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g_signal_handlers_disconnect_by_func (clipboard, clipboard_notify, self);
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clipboard = gdk_display_get_primary_clipboard (self->display);
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g_signal_handlers_disconnect_by_func (clipboard, primary_notify, self);
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}
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static void
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gtk_inspector_clipboard_init (GtkInspectorClipboard *self)
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{
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gtk_widget_init_template (GTK_WIDGET (self));
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}
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static void
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gtk_inspector_clipboard_dispose (GObject *object)
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{
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GtkInspectorClipboard *self = GTK_INSPECTOR_CLIPBOARD (object);
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gtk_inspector_clipboard_unset_display (self);
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gtk_widget_dispose_template (GTK_WIDGET (self), GTK_TYPE_INSPECTOR_CLIPBOARD);
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G_OBJECT_CLASS (gtk_inspector_clipboard_parent_class)->dispose (object);
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}
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static void
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gtk_inspector_clipboard_class_init (GtkInspectorClipboardClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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object_class->dispose = gtk_inspector_clipboard_dispose;
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gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/libgtk/inspector/clipboard.ui");
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gtk_widget_class_bind_template_child (widget_class, GtkInspectorClipboard, swin);
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gtk_widget_class_bind_template_child (widget_class, GtkInspectorClipboard, dnd_formats);
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gtk_widget_class_bind_template_child (widget_class, GtkInspectorClipboard, dnd_info);
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gtk_widget_class_bind_template_child (widget_class, GtkInspectorClipboard, clipboard_formats);
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gtk_widget_class_bind_template_child (widget_class, GtkInspectorClipboard, clipboard_info);
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gtk_widget_class_bind_template_child (widget_class, GtkInspectorClipboard, primary_formats);
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gtk_widget_class_bind_template_child (widget_class, GtkInspectorClipboard, primary_info);
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gtk_widget_class_bind_template_callback (widget_class, on_drop_enter);
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gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
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}
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void
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gtk_inspector_clipboard_set_display (GtkInspectorClipboard *self,
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GdkDisplay *display)
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{
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GdkClipboard *clipboard;
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gtk_inspector_clipboard_unset_display (self);
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self->display = display;
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if (display == NULL)
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return;
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clipboard = gdk_display_get_clipboard (display);
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g_signal_connect (clipboard, "notify", G_CALLBACK (clipboard_notify), self);
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init_formats (self, GTK_LIST_BOX (self->clipboard_formats), gdk_clipboard_get_formats (clipboard), G_OBJECT (clipboard));
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init_info (self, GTK_LABEL (self->clipboard_info), clipboard);
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clipboard = gdk_display_get_primary_clipboard (display);
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g_signal_connect (clipboard, "notify", G_CALLBACK (primary_notify), self);
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init_formats (self, GTK_LIST_BOX (self->primary_formats), gdk_clipboard_get_formats (clipboard), G_OBJECT (clipboard));
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init_info (self, GTK_LABEL (self->primary_info), clipboard);
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}
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