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-rw-r--r--app/widgets/gimpdockbook.c1846
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diff --git a/app/widgets/gimpdockbook.c b/app/widgets/gimpdockbook.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpdockbook.c
+ * Copyright (C) 2001-2007 Michael Natterer <mitch@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "config/gimpguiconfig.h"
+
+#include "core/gimp.h"
+#include "core/gimpcontext.h"
+#include "core/gimpmarshal.h"
+
+#include "gimpactiongroup.h"
+#include "gimpdialogfactory.h"
+#include "gimpdnd.h"
+#include "gimpdock.h"
+#include "gimpdockable.h"
+#include "gimpdockbook.h"
+#include "gimpdocked.h"
+#include "gimpdockcontainer.h"
+#include "gimpdockwindow.h"
+#include "gimphelp-ids.h"
+#include "gimpmenufactory.h"
+#include "gimppanedbox.h"
+#include "gimpstringaction.h"
+#include "gimpuimanager.h"
+#include "gimpview.h"
+#include "gimpwidgets-utils.h"
+
+#include "gimp-log.h"
+#include "gimp-intl.h"
+
+#define DEFAULT_TAB_BORDER 0
+#define DEFAULT_TAB_ICON_SIZE GTK_ICON_SIZE_BUTTON
+#define DND_WIDGET_ICON_SIZE GTK_ICON_SIZE_BUTTON
+#define MENU_WIDGET_ICON_SIZE GTK_ICON_SIZE_MENU
+#define MENU_WIDGET_SPACING 4
+#define TAB_HOVER_TIMEOUT 500
+#define GIMP_DOCKABLE_DETACH_REF_KEY "gimp-dockable-detach-ref"
+
+
+enum
+{
+ DOCKABLE_ADDED,
+ DOCKABLE_REMOVED,
+ DOCKABLE_REORDERED,
+ LAST_SIGNAL
+};
+
+/* List of candidates for the automatic style, starting with the
+ * biggest first
+ */
+static const GimpTabStyle gimp_tab_style_candidates[] =
+{
+ GIMP_TAB_STYLE_PREVIEW_BLURB,
+ GIMP_TAB_STYLE_PREVIEW_NAME,
+ GIMP_TAB_STYLE_PREVIEW
+};
+
+
+typedef struct
+{
+ GimpDockbookDragCallback callback;
+ gpointer data;
+} GimpDockbookDragCallbackData;
+
+struct _GimpDockbookPrivate
+{
+ GimpDock *dock;
+ GimpUIManager *ui_manager;
+
+ guint tab_hover_timeout;
+ GimpDockable *tab_hover_dockable;
+
+ GimpPanedBox *drag_handler;
+
+ /* Cache for "what actual tab style for automatic styles can we use
+ * for a given dockbook width
+ */
+ gint min_width_for_style[G_N_ELEMENTS (gimp_tab_style_candidates)];
+
+ /* We need a list separate from the GtkContainer children list,
+ * because we need to do calculations for all dockables before we
+ * can add a dockable as a child, namely automatic tab style
+ * calculations
+ */
+ GList *dockables;
+
+ GtkWidget *menu_button;
+};
+
+
+static void gimp_dockbook_dispose (GObject *object);
+static void gimp_dockbook_finalize (GObject *object);
+static void gimp_dockbook_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static void gimp_dockbook_style_set (GtkWidget *widget,
+ GtkStyle *prev_style);
+static void gimp_dockbook_drag_leave (GtkWidget *widget,
+ GdkDragContext *context,
+ guint time);
+static gboolean gimp_dockbook_drag_motion (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time);
+static gboolean gimp_dockbook_drag_drop (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time);
+static gboolean gimp_dockbook_popup_menu (GtkWidget *widget);
+static gboolean gimp_dockbook_menu_button_press (GimpDockbook *dockbook,
+ GdkEventButton *bevent,
+ GtkWidget *button);
+static gboolean gimp_dockbook_show_menu (GimpDockbook *dockbook);
+static void gimp_dockbook_menu_end (GimpDockable *dockable);
+static void gimp_dockbook_dockable_added (GimpDockbook *dockbook,
+ GimpDockable *dockable);
+static void gimp_dockbook_dockable_removed (GimpDockbook *dockbook,
+ GimpDockable *dockable);
+static void gimp_dockbook_recreate_tab_widgets (GimpDockbook *dockbook,
+ gboolean only_auto);
+static void gimp_dockbook_tab_drag_source_setup (GtkWidget *widget,
+ GimpDockable *dockable);
+static void gimp_dockbook_tab_drag_begin (GtkWidget *widget,
+ GdkDragContext *context,
+ GimpDockable *dockable);
+static void gimp_dockbook_tab_drag_end (GtkWidget *widget,
+ GdkDragContext *context,
+ GimpDockable *dockable);
+static gboolean gimp_dockbook_tab_drag_failed (GtkWidget *widget,
+ GdkDragContext *context,
+ GtkDragResult result,
+ GimpDockable *dockable);
+static void gimp_dockbook_tab_drag_leave (GtkWidget *widget,
+ GdkDragContext *context,
+ guint time,
+ GimpDockable *dockable);
+static gboolean gimp_dockbook_tab_drag_motion (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time,
+ GimpDockable *dockable);
+static gboolean gimp_dockbook_tab_drag_drop (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time);
+static GimpTabStyle gimp_dockbook_tab_style_to_preferred (GimpTabStyle tab_style,
+ GimpDockable *dockable);
+static void gimp_dockbook_refresh_tab_layout_lut (GimpDockbook *dockbook);
+static void gimp_dockbook_update_automatic_tab_style (GimpDockbook *dockbook);
+static GtkWidget * gimp_dockable_create_event_box_tab_widget (GimpDockable *dockable,
+ GimpContext *context,
+ GimpTabStyle tab_style,
+ GtkIconSize size);
+static GtkIconSize gimp_dockbook_get_tab_icon_size (GimpDockbook *dockbook);
+static gint gimp_dockbook_get_tab_border (GimpDockbook *dockbook);
+static void gimp_dockbook_add_tab_timeout (GimpDockbook *dockbook,
+ GimpDockable *dockable);
+static void gimp_dockbook_remove_tab_timeout (GimpDockbook *dockbook);
+static gboolean gimp_dockbook_tab_timeout (GimpDockbook *dockbook);
+static void gimp_dockbook_tab_locked_notify (GimpDockable *dockable,
+ GParamSpec *pspec,
+ GimpDockbook *dockbook);
+static void gimp_dockbook_help_func (const gchar *help_id,
+ gpointer help_data);
+static const gchar *gimp_dockbook_get_tab_style_name (GimpTabStyle tab_style);
+
+static void gimp_dockbook_config_size_changed (GimpGuiConfig *config,
+ GimpDockbook *dockbook);
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (GimpDockbook, gimp_dockbook, GTK_TYPE_NOTEBOOK)
+
+#define parent_class gimp_dockbook_parent_class
+
+static guint dockbook_signals[LAST_SIGNAL] = { 0 };
+
+static const GtkTargetEntry dialog_target_table[] = { GIMP_TARGET_DIALOG };
+
+static GList *drag_callbacks = NULL;
+
+
+static void
+gimp_dockbook_class_init (GimpDockbookClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+ dockbook_signals[DOCKABLE_ADDED] =
+ g_signal_new ("dockable-added",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GimpDockbookClass, dockable_added),
+ NULL, NULL,
+ gimp_marshal_VOID__OBJECT,
+ G_TYPE_NONE, 1,
+ GIMP_TYPE_DOCKABLE);
+
+ dockbook_signals[DOCKABLE_REMOVED] =
+ g_signal_new ("dockable-removed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GimpDockbookClass, dockable_removed),
+ NULL, NULL,
+ gimp_marshal_VOID__OBJECT,
+ G_TYPE_NONE, 1,
+ GIMP_TYPE_DOCKABLE);
+
+ dockbook_signals[DOCKABLE_REORDERED] =
+ g_signal_new ("dockable-reordered",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GimpDockbookClass, dockable_reordered),
+ NULL, NULL,
+ gimp_marshal_VOID__OBJECT,
+ G_TYPE_NONE, 1,
+ GIMP_TYPE_DOCKABLE);
+
+ object_class->dispose = gimp_dockbook_dispose;
+ object_class->finalize = gimp_dockbook_finalize;
+
+ widget_class->size_allocate = gimp_dockbook_size_allocate;
+ widget_class->style_set = gimp_dockbook_style_set;
+ widget_class->drag_leave = gimp_dockbook_drag_leave;
+ widget_class->drag_motion = gimp_dockbook_drag_motion;
+ widget_class->drag_drop = gimp_dockbook_drag_drop;
+ widget_class->popup_menu = gimp_dockbook_popup_menu;
+
+ klass->dockable_added = gimp_dockbook_dockable_added;
+ klass->dockable_removed = gimp_dockbook_dockable_removed;
+ klass->dockable_reordered = NULL;
+
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_int ("tab-border",
+ NULL, NULL,
+ 0, G_MAXINT,
+ DEFAULT_TAB_BORDER,
+ GIMP_PARAM_READABLE));
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_enum ("tab-icon-size",
+ NULL, NULL,
+ GTK_TYPE_ICON_SIZE,
+ DEFAULT_TAB_ICON_SIZE,
+ GIMP_PARAM_READABLE));
+}
+
+static void
+gimp_dockbook_init (GimpDockbook *dockbook)
+{
+ GtkNotebook *notebook = GTK_NOTEBOOK (dockbook);
+ GtkWidget *image = NULL;
+
+ dockbook->p = gimp_dockbook_get_instance_private (dockbook);
+
+ /* Various init */
+ gtk_notebook_popup_enable (notebook);
+ gtk_notebook_set_scrollable (notebook, TRUE);
+ gtk_notebook_set_show_border (notebook, FALSE);
+ gtk_notebook_set_show_tabs (notebook, TRUE);
+
+ gtk_drag_dest_set (GTK_WIDGET (dockbook),
+ 0,
+ dialog_target_table, G_N_ELEMENTS (dialog_target_table),
+ GDK_ACTION_MOVE);
+
+ /* Menu button */
+ dockbook->p->menu_button = gtk_button_new ();
+ gtk_widget_set_can_focus (dockbook->p->menu_button, FALSE);
+ gtk_button_set_relief (GTK_BUTTON (dockbook->p->menu_button),
+ GTK_RELIEF_NONE);
+ gtk_notebook_set_action_widget (notebook,
+ dockbook->p->menu_button,
+ GTK_PACK_END);
+ gtk_widget_show (dockbook->p->menu_button);
+
+ image = gtk_image_new_from_icon_name (GIMP_ICON_MENU_LEFT,
+ GTK_ICON_SIZE_MENU);
+ gtk_image_set_pixel_size (GTK_IMAGE (image), 12);
+ gtk_image_set_from_icon_name (GTK_IMAGE (image), GIMP_ICON_MENU_LEFT,
+ GTK_ICON_SIZE_MENU);
+ gtk_container_add (GTK_CONTAINER (dockbook->p->menu_button), image);
+ gtk_widget_show (image);
+
+ gimp_help_set_help_data (dockbook->p->menu_button, _("Configure this tab"),
+ GIMP_HELP_DOCK_TAB_MENU);
+
+ g_signal_connect_swapped (dockbook->p->menu_button, "button-press-event",
+ G_CALLBACK (gimp_dockbook_menu_button_press),
+ dockbook);
+}
+
+static void
+gimp_dockbook_dispose (GObject *object)
+{
+ GimpDockbook *dockbook = GIMP_DOCKBOOK (object);
+
+ g_signal_handlers_disconnect_by_func (dockbook->p->ui_manager->gimp->config,
+ gimp_dockbook_config_size_changed,
+ dockbook);
+
+ gimp_dockbook_remove_tab_timeout (dockbook);
+
+ while (dockbook->p->dockables)
+ {
+ GimpDockable *dockable = dockbook->p->dockables->data;
+
+ g_object_ref (dockable);
+ gimp_dockbook_remove (dockbook, dockable);
+ gtk_widget_destroy (GTK_WIDGET (dockable));
+ g_object_unref (dockable);
+ }
+
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gimp_dockbook_finalize (GObject *object)
+{
+ GimpDockbook *dockbook = GIMP_DOCKBOOK (object);
+
+ g_clear_object (&dockbook->p->ui_manager);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_dockbook_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GimpDockbook *dockbook = GIMP_DOCKBOOK (widget);
+
+ GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
+
+ /* Update tab styles, also recreates if changed */
+ gimp_dockbook_update_automatic_tab_style (dockbook);
+}
+
+static void
+gimp_dockbook_style_set (GtkWidget *widget,
+ GtkStyle *prev_style)
+{
+ GTK_WIDGET_CLASS (parent_class)->style_set (widget, prev_style);
+
+ /* Don't attempt to construct widgets that require a GimpContext if
+ * we are detached from a top-level, we're either on our way to
+ * destruction, in which case we don't care, or we will be given a
+ * new parent, in which case the widget style will be reset again
+ * anyway, i.e. this function will be called again
+ */
+ if (! gtk_widget_is_toplevel (gtk_widget_get_toplevel (widget)))
+ return;
+
+ gimp_dockbook_recreate_tab_widgets (GIMP_DOCKBOOK (widget),
+ FALSE /*only_auto*/);
+}
+
+static void
+gimp_dockbook_drag_leave (GtkWidget *widget,
+ GdkDragContext *context,
+ guint time)
+{
+ gimp_highlight_widget (widget, FALSE);
+}
+
+static gboolean
+gimp_dockbook_drag_motion (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time)
+{
+ GimpDockbook *dockbook = GIMP_DOCKBOOK (widget);
+
+ if (gimp_paned_box_will_handle_drag (dockbook->p->drag_handler,
+ widget,
+ context,
+ x, y,
+ time))
+ {
+ gdk_drag_status (context, 0, time);
+ gimp_highlight_widget (widget, FALSE);
+
+ return FALSE;
+ }
+
+ gdk_drag_status (context, GDK_ACTION_MOVE, time);
+ gimp_highlight_widget (widget, TRUE);
+
+ /* Return TRUE so drag_leave() is called */
+ return TRUE;
+}
+
+static gboolean
+gimp_dockbook_drag_drop (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time)
+{
+ GimpDockbook *dockbook = GIMP_DOCKBOOK (widget);
+ gboolean dropped;
+
+ if (gimp_paned_box_will_handle_drag (dockbook->p->drag_handler,
+ widget,
+ context,
+ x, y,
+ time))
+ {
+ return FALSE;
+ }
+
+ dropped = gimp_dockbook_drop_dockable (dockbook,
+ gtk_drag_get_source_widget (context));
+
+ gtk_drag_finish (context, dropped, TRUE, time);
+
+ return TRUE;
+}
+
+static gboolean
+gimp_dockbook_popup_menu (GtkWidget *widget)
+{
+ return gimp_dockbook_show_menu (GIMP_DOCKBOOK (widget));
+}
+
+static gboolean
+gimp_dockbook_menu_button_press (GimpDockbook *dockbook,
+ GdkEventButton *bevent,
+ GtkWidget *button)
+{
+ gboolean handled = FALSE;
+
+ if (bevent->button == 1 && bevent->type == GDK_BUTTON_PRESS)
+ handled = gimp_dockbook_show_menu (dockbook);
+
+ return handled;
+}
+
+static void
+gimp_dockbook_menu_position (GtkMenu *menu,
+ gint *x,
+ gint *y,
+ gpointer data)
+{
+ GimpDockbook *dockbook = GIMP_DOCKBOOK (data);
+
+ gimp_button_menu_position (dockbook->p->menu_button, menu, GTK_POS_LEFT, x, y);
+}
+
+static gboolean
+gimp_dockbook_show_menu (GimpDockbook *dockbook)
+{
+ GimpUIManager *dockbook_ui_manager;
+ GimpUIManager *dialog_ui_manager;
+ const gchar *dialog_ui_path;
+ gpointer dialog_popup_data;
+ GtkWidget *parent_menu_widget;
+ GimpAction *parent_menu_action;
+ GimpDockable *dockable;
+ gint page_num;
+
+ dockbook_ui_manager = gimp_dockbook_get_ui_manager (dockbook);
+
+ if (! dockbook_ui_manager)
+ return FALSE;
+
+ parent_menu_widget =
+ gimp_ui_manager_get_widget (dockbook_ui_manager,
+ "/dockable-popup/dockable-menu");
+ parent_menu_action =
+ gimp_ui_manager_get_action (dockbook_ui_manager,
+ "/dockable-popup/dockable-menu");
+
+ if (! parent_menu_widget || ! parent_menu_action)
+ return FALSE;
+
+ page_num = gtk_notebook_get_current_page (GTK_NOTEBOOK (dockbook));
+ dockable = GIMP_DOCKABLE (gtk_notebook_get_nth_page (GTK_NOTEBOOK (dockbook),
+ page_num));
+
+ if (! dockable)
+ return FALSE;
+
+ dialog_ui_manager = gimp_dockable_get_menu (dockable,
+ &dialog_ui_path,
+ &dialog_popup_data);
+
+ if (dialog_ui_manager && dialog_ui_path)
+ {
+ GtkWidget *child_menu_widget;
+ GimpAction *child_menu_action;
+ gchar *label;
+
+ child_menu_widget =
+ gimp_ui_manager_get_widget (dialog_ui_manager, dialog_ui_path);
+
+ if (! child_menu_widget)
+ {
+ g_warning ("%s: UI manager '%s' has no widget at path '%s'",
+ G_STRFUNC, dialog_ui_manager->name, dialog_ui_path);
+ return FALSE;
+ }
+
+ child_menu_action =
+ gimp_ui_manager_get_action (dialog_ui_manager,
+ dialog_ui_path);
+
+ if (! child_menu_action)
+ {
+ g_warning ("%s: UI manager '%s' has no action at path '%s'",
+ G_STRFUNC, dialog_ui_manager->name, dialog_ui_path);
+ return FALSE;
+ }
+
+ g_object_get (child_menu_action,
+ "label", &label,
+ NULL);
+
+ g_object_set (parent_menu_action,
+ "label", label,
+ "icon-name", gimp_dockable_get_icon_name (dockable),
+ "visible", TRUE,
+ NULL);
+
+ g_free (label);
+
+ if (! GTK_IS_MENU (child_menu_widget))
+ {
+ g_warning ("%s: child_menu_widget (%p) is not a GtkMenu",
+ G_STRFUNC, child_menu_widget);
+ return FALSE;
+ }
+
+ {
+ GtkWidget *image = gimp_dockable_get_icon (dockable,
+ GTK_ICON_SIZE_MENU);
+
+ gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (parent_menu_widget),
+ image);
+ gtk_image_menu_item_set_always_show_image (GTK_IMAGE_MENU_ITEM (parent_menu_widget),
+ TRUE);
+ gtk_widget_show (image);
+ }
+
+ gtk_menu_item_set_submenu (GTK_MENU_ITEM (parent_menu_widget),
+ child_menu_widget);
+
+ gimp_ui_manager_update (dialog_ui_manager, dialog_popup_data);
+ }
+ else
+ {
+ g_object_set (parent_menu_action, "visible", FALSE, NULL);
+ }
+
+ /* an action callback may destroy both dockable and dockbook, so
+ * reference them for gimp_dockbook_menu_end()
+ */
+ g_object_ref (dockable);
+ g_object_set_data_full (G_OBJECT (dockable), GIMP_DOCKABLE_DETACH_REF_KEY,
+ g_object_ref (dockbook),
+ g_object_unref);
+
+ gimp_ui_manager_update (dockbook_ui_manager, dockable);
+ gimp_ui_manager_ui_popup (dockbook_ui_manager, "/dockable-popup",
+ GTK_WIDGET (dockable),
+ gimp_dockbook_menu_position, dockbook,
+ (GDestroyNotify) gimp_dockbook_menu_end, dockable);
+
+ return TRUE;
+}
+
+static void
+gimp_dockbook_menu_end (GimpDockable *dockable)
+{
+ GimpUIManager *dialog_ui_manager;
+ const gchar *dialog_ui_path;
+ gpointer dialog_popup_data;
+
+ dialog_ui_manager = gimp_dockable_get_menu (dockable,
+ &dialog_ui_path,
+ &dialog_popup_data);
+
+ if (dialog_ui_manager && dialog_ui_path)
+ {
+ GtkWidget *child_menu_widget =
+ gimp_ui_manager_get_widget (dialog_ui_manager, dialog_ui_path);
+
+ if (child_menu_widget)
+ gtk_menu_detach (GTK_MENU (child_menu_widget));
+ }
+
+ /* release gimp_dockbook_show_menu()'s references */
+ g_object_set_data (G_OBJECT (dockable), GIMP_DOCKABLE_DETACH_REF_KEY, NULL);
+ g_object_unref (dockable);
+}
+
+static void
+gimp_dockbook_dockable_added (GimpDockbook *dockbook,
+ GimpDockable *dockable)
+{
+ gtk_notebook_set_current_page (GTK_NOTEBOOK (dockbook),
+ gtk_notebook_page_num (GTK_NOTEBOOK (dockbook),
+ GTK_WIDGET (dockable)));
+}
+
+static void
+gimp_dockbook_dockable_removed (GimpDockbook *dockbook,
+ GimpDockable *dockable)
+{
+}
+
+/**
+ * gimp_dockbook_get_dockable_tab_width:
+ * @dockable:
+ * @tab_style:
+ *
+ * Returns: Width of tab when the dockable is using the specified tab
+ * style.
+ **/
+static gint
+gimp_dockbook_get_dockable_tab_width (GimpDockbook *dockbook,
+ GimpDockable *dockable,
+ GimpTabStyle tab_style)
+{
+ GtkRequisition dockable_request;
+ GtkWidget *tab_widget;
+
+ tab_widget =
+ gimp_dockable_create_event_box_tab_widget (dockable,
+ gimp_dock_get_context (dockbook->p->dock),
+ tab_style,
+ gimp_dockbook_get_tab_icon_size (dockbook));
+
+ /* So font-scale is applied. We can't apply styles without having a
+ * GdkScreen :(
+ */
+ gimp_dock_temp_add (dockbook->p->dock, tab_widget);
+
+ gtk_widget_size_request (tab_widget, &dockable_request);
+
+ /* Also destroys the widget */
+ gimp_dock_temp_remove (dockbook->p->dock, tab_widget);
+
+ return dockable_request.width;
+}
+
+/**
+ * gimp_dockbook_tab_style_to_preferred:
+ * @tab_style:
+ * @dockable:
+ *
+ * The list of tab styles to try in automatic mode only consists of
+ * preview styles. For some dockables, like the tool options dockable,
+ * we rather want to use the icon tab styles for the automatic
+ * mode. This function is used to convert tab styles for such
+ * dockables.
+ *
+ * Returns: An icon tab style if the dockable prefers icon tab styles
+ * in automatic mode.
+ **/
+static GimpTabStyle
+gimp_dockbook_tab_style_to_preferred (GimpTabStyle tab_style,
+ GimpDockable *dockable)
+{
+ GimpDocked *docked = GIMP_DOCKED (gtk_bin_get_child (GTK_BIN (dockable)));
+
+ if (gimp_docked_get_prefer_icon (docked))
+ tab_style = gimp_preview_tab_style_to_icon (tab_style);
+
+ return tab_style;
+}
+
+/**
+ * gimp_dockbook_refresh_tab_layout_lut:
+ * @dockbook:
+ *
+ * For each given set of tab widgets, there is a fixed mapping between
+ * the width of the dockbook and the actual tab style to use for auto
+ * tab widgets. This function refreshes that look-up table.
+ **/
+static void
+gimp_dockbook_refresh_tab_layout_lut (GimpDockbook *dockbook)
+{
+ GList *auto_dockables = NULL;
+ GList *iter = NULL;
+ gint fixed_tab_style_space = 0;
+ int i = 0;
+
+ /* Calculate space taken by dockables with fixed tab styles */
+ fixed_tab_style_space = 0;
+ for (iter = dockbook->p->dockables; iter; iter = g_list_next (iter))
+ {
+ GimpDockable *dockable = GIMP_DOCKABLE (iter->data);
+ GimpTabStyle tab_style = gimp_dockable_get_tab_style (dockable);
+
+ if (tab_style == GIMP_TAB_STYLE_AUTOMATIC)
+ auto_dockables = g_list_prepend (auto_dockables, dockable);
+ else
+ fixed_tab_style_space +=
+ gimp_dockbook_get_dockable_tab_width (dockbook,
+ dockable,
+ tab_style);
+ }
+
+ /* Calculate space taken with auto tab style for all candidates */
+ for (i = 0; i < G_N_ELEMENTS (gimp_tab_style_candidates); i++)
+ {
+ gint size_with_candidate = 0;
+ GimpTabStyle candidate = gimp_tab_style_candidates[i];
+
+ for (iter = auto_dockables; iter; iter = g_list_next (iter))
+ {
+ GimpDockable *dockable = GIMP_DOCKABLE (iter->data);
+ GimpTabStyle style_to_use;
+
+ style_to_use = gimp_dockbook_tab_style_to_preferred (candidate,
+ dockable);
+ size_with_candidate +=
+ gimp_dockbook_get_dockable_tab_width (dockbook,
+ dockable,
+ style_to_use);
+ }
+
+ dockbook->p->min_width_for_style[i] =
+ fixed_tab_style_space + size_with_candidate;
+
+ GIMP_LOG (AUTO_TAB_STYLE, "Total tab space taken for auto tab style %s = %d",
+ gimp_dockbook_get_tab_style_name (candidate),
+ dockbook->p->min_width_for_style[i]);
+ }
+
+ g_list_free (auto_dockables);
+}
+
+/**
+ * gimp_dockbook_update_automatic_tab_style:
+ * @dockbook:
+ *
+ * Based on widget allocation, sets actual tab style for dockables
+ * with automatic tab styles. Takes care of recreating tab widgets if
+ * necessary.
+ **/
+static void
+gimp_dockbook_update_automatic_tab_style (GimpDockbook *dockbook)
+{
+ GtkWidget *widget = GTK_WIDGET (dockbook);
+ gboolean changed = FALSE;
+ GList *iter = NULL;
+ GtkAllocation dockbook_allocation = { 0, };
+ GtkAllocation button_allocation = { 0, };
+ GimpTabStyle tab_style = 0;
+ int i = 0;
+ gint available_space = 0;
+ guint tab_hborder = 0;
+ gint xthickness = 0;
+ gint tab_curvature = 0;
+ gint focus_width = 0;
+ gint tab_overlap = 0;
+ gint tab_padding = 0;
+ gint border_loss = 0;
+ gint action_widget_size = 0;
+
+ xthickness = gtk_widget_get_style (widget)->xthickness;
+ g_object_get (widget,
+ "tab-hborder", &tab_hborder,
+ NULL);
+ gtk_widget_style_get (widget,
+ "tab-curvature", &tab_curvature,
+ "focus-line-width", &focus_width,
+ "tab-overlap", &tab_overlap,
+ NULL);
+ gtk_widget_get_allocation (dockbook->p->menu_button,
+ &button_allocation);
+
+ /* Calculate available space. Based on code in GTK+ internal
+ * functions gtk_notebook_size_request() and
+ * gtk_notebook_pages_allocate()
+ */
+ gtk_widget_get_allocation (widget, &dockbook_allocation);
+
+ /* Border on both sides */
+ border_loss = gtk_container_get_border_width (GTK_CONTAINER (dockbook)) * 2;
+
+ /* Space taken by action widget */
+ action_widget_size = button_allocation.width + xthickness;
+
+ /* Space taken by the tabs but not the tab widgets themselves */
+ tab_padding = gtk_notebook_get_n_pages (GTK_NOTEBOOK (dockbook)) *
+ (2 * (xthickness + tab_curvature + focus_width + tab_hborder) -
+ tab_overlap);
+
+ available_space = dockbook_allocation.width
+ - border_loss
+ - action_widget_size
+ - tab_padding
+ - tab_overlap;
+
+ GIMP_LOG (AUTO_TAB_STYLE, "\n"
+ " available_space = %d where\n"
+ " dockbook_allocation.width = %d\n"
+ " border_loss = %d\n"
+ " action_widget_size = %d\n"
+ " tab_padding = %d\n"
+ " tab_overlap = %d\n",
+ available_space,
+ dockbook_allocation.width,
+ border_loss,
+ action_widget_size,
+ tab_padding,
+ tab_overlap);
+
+ /* Try all candidates, if we don't get any hit we still end up on
+ * the smallest style (which we always fall back to if we don't get
+ * a better match)
+ */
+ for (i = 0; i < G_N_ELEMENTS (gimp_tab_style_candidates); i++)
+ {
+ tab_style = gimp_tab_style_candidates[i];
+ if (available_space > dockbook->p->min_width_for_style[i])
+ {
+ GIMP_LOG (AUTO_TAB_STYLE, "Choosing tab style %s",
+ gimp_dockbook_get_tab_style_name (tab_style));
+ break;
+ }
+ }
+
+ for (iter = dockbook->p->dockables; iter; iter = g_list_next (iter))
+ {
+ GimpDockable *dockable = GIMP_DOCKABLE (iter->data);
+ GimpTabStyle actual_tab_style = tab_style;
+
+ if (gimp_dockable_get_tab_style (dockable) != GIMP_TAB_STYLE_AUTOMATIC)
+ continue;
+
+ actual_tab_style = gimp_dockbook_tab_style_to_preferred (tab_style,
+ dockable);
+
+ if (gimp_dockable_set_actual_tab_style (dockable, actual_tab_style))
+ changed = TRUE;
+ }
+
+ if (changed)
+ gimp_dockbook_recreate_tab_widgets (dockbook,
+ TRUE /*only_auto*/);
+}
+
+GtkWidget *
+gimp_dockbook_new (GimpMenuFactory *menu_factory)
+{
+ GimpDockbook *dockbook;
+
+ g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
+
+ dockbook = g_object_new (GIMP_TYPE_DOCKBOOK, NULL);
+
+ dockbook->p->ui_manager = gimp_menu_factory_manager_new (menu_factory,
+ "<Dockable>",
+ dockbook,
+ FALSE);
+
+ g_signal_connect (dockbook->p->ui_manager->gimp->config,
+ "size-changed",
+ G_CALLBACK (gimp_dockbook_config_size_changed),
+ dockbook);
+
+ gimp_help_connect (GTK_WIDGET (dockbook), gimp_dockbook_help_func,
+ GIMP_HELP_DOCK, dockbook);
+
+ return GTK_WIDGET (dockbook);
+}
+
+GimpDock *
+gimp_dockbook_get_dock (GimpDockbook *dockbook)
+{
+ g_return_val_if_fail (GIMP_IS_DOCKBOOK (dockbook), NULL);
+
+ return dockbook->p->dock;
+}
+
+void
+gimp_dockbook_set_dock (GimpDockbook *dockbook,
+ GimpDock *dock)
+{
+ g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
+ g_return_if_fail (dock == NULL || GIMP_IS_DOCK (dock));
+
+ dockbook->p->dock = dock;
+}
+
+GimpUIManager *
+gimp_dockbook_get_ui_manager (GimpDockbook *dockbook)
+{
+ g_return_val_if_fail (GIMP_IS_DOCKBOOK (dockbook), NULL);
+
+ return dockbook->p->ui_manager;
+}
+
+void
+gimp_dockbook_add (GimpDockbook *dockbook,
+ GimpDockable *dockable,
+ gint position)
+{
+ GtkWidget *tab_widget;
+ GtkWidget *menu_widget;
+
+ g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
+ g_return_if_fail (dockbook->p->dock != NULL);
+ g_return_if_fail (GIMP_IS_DOCKABLE (dockable));
+ g_return_if_fail (gimp_dockable_get_dockbook (dockable) == NULL);
+
+ GIMP_LOG (DND, "Adding GimpDockable %p to GimpDockbook %p", dockable, dockbook);
+
+ /* Add to internal list before doing automatic tab style
+ * calculations
+ */
+ dockbook->p->dockables = g_list_insert (dockbook->p->dockables,
+ dockable,
+ position);
+
+ gimp_dockbook_update_auto_tab_style (dockbook);
+
+ /* Create the new tab widget, it will get the correct tab style now */
+ tab_widget = gimp_dockbook_create_tab_widget (dockbook, dockable);
+
+ g_return_if_fail (GTK_IS_WIDGET (tab_widget));
+
+ gimp_dockable_set_drag_handler (dockable, dockbook->p->drag_handler);
+
+ /* For the notebook right-click menu, always use the icon style */
+ menu_widget =
+ gimp_dockable_create_tab_widget (dockable,
+ gimp_dock_get_context (dockbook->p->dock),
+ GIMP_TAB_STYLE_ICON_BLURB,
+ MENU_WIDGET_ICON_SIZE);
+
+ g_return_if_fail (GTK_IS_WIDGET (menu_widget));
+
+ if (position == -1)
+ {
+ gtk_notebook_append_page_menu (GTK_NOTEBOOK (dockbook),
+ GTK_WIDGET (dockable),
+ tab_widget,
+ menu_widget);
+ }
+ else
+ {
+ gtk_notebook_insert_page_menu (GTK_NOTEBOOK (dockbook),
+ GTK_WIDGET (dockable),
+ tab_widget,
+ menu_widget,
+ position);
+ }
+
+ gtk_widget_show (GTK_WIDGET (dockable));
+
+ gimp_dockable_set_dockbook (dockable, dockbook);
+
+ gimp_dockable_set_context (dockable, gimp_dock_get_context (dockbook->p->dock));
+
+ g_signal_connect (dockable, "notify::locked",
+ G_CALLBACK (gimp_dockbook_tab_locked_notify),
+ dockbook);
+
+ g_signal_emit (dockbook, dockbook_signals[DOCKABLE_ADDED], 0, dockable);
+}
+
+/**
+ * gimp_dockbook_add_from_dialog_factory:
+ * @dockbook: The #DockBook
+ * @identifiers: The dockable identifier(s)
+ * @position: The insert position
+ *
+ * Add a dockable from the dialog factory associated with the dockbook.
+ **/
+GtkWidget *
+gimp_dockbook_add_from_dialog_factory (GimpDockbook *dockbook,
+ const gchar *identifiers,
+ gint position)
+{
+ GtkWidget *dockable;
+ GimpDock *dock;
+ gchar *identifier;
+ gchar *p;
+
+ g_return_val_if_fail (GIMP_IS_DOCKBOOK (dockbook), NULL);
+ g_return_val_if_fail (identifiers != NULL, NULL);
+
+ identifier = g_strdup (identifiers);
+
+ p = strchr (identifier, '|');
+
+ if (p)
+ *p = '\0';
+
+ dock = gimp_dockbook_get_dock (dockbook);
+ dockable = gimp_dialog_factory_dockable_new (gimp_dock_get_dialog_factory (dock),
+ dock,
+ identifier, -1);
+
+ g_free (identifier);
+
+ /* Maybe gimp_dialog_factory_dockable_new() returned an already
+ * existing singleton dockable, so check if it already is
+ * attached to a dockbook.
+ */
+ if (dockable && ! gimp_dockable_get_dockbook (GIMP_DOCKABLE (dockable)))
+ gimp_dockbook_add (dockbook, GIMP_DOCKABLE (dockable), position);
+
+ if (dockable)
+ gimp_dockable_set_drag_pos (GIMP_DOCKABLE (dockable),
+ GIMP_DOCKABLE_DRAG_OFFSET,
+ GIMP_DOCKABLE_DRAG_OFFSET);
+ return dockable;
+}
+
+void
+gimp_dockbook_remove (GimpDockbook *dockbook,
+ GimpDockable *dockable)
+{
+ g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
+ g_return_if_fail (GIMP_IS_DOCKABLE (dockable));
+ g_return_if_fail (gimp_dockable_get_dockbook (dockable) == dockbook);
+
+ GIMP_LOG (DND, "Removing GimpDockable %p from GimpDockbook %p", dockable, dockbook);
+
+ gimp_dockable_set_drag_handler (dockable, NULL);
+
+ g_object_ref (dockable);
+
+ g_signal_handlers_disconnect_by_func (dockable,
+ G_CALLBACK (gimp_dockbook_tab_locked_notify),
+ dockbook);
+
+ if (dockbook->p->tab_hover_dockable == dockable)
+ gimp_dockbook_remove_tab_timeout (dockbook);
+
+ gimp_dockable_set_dockbook (dockable, NULL);
+
+ gimp_dockable_set_context (dockable, NULL);
+
+ gtk_container_remove (GTK_CONTAINER (dockbook), GTK_WIDGET (dockable));
+ dockbook->p->dockables = g_list_remove (dockbook->p->dockables,
+ dockable);
+
+ g_signal_emit (dockbook, dockbook_signals[DOCKABLE_REMOVED], 0, dockable);
+
+ g_object_unref (dockable);
+
+ if (dockbook->p->dock)
+ {
+ GList *children = gtk_container_get_children (GTK_CONTAINER (dockbook));
+
+ if (children)
+ gimp_dockbook_update_auto_tab_style (dockbook);
+ else
+ gimp_dock_remove_book (dockbook->p->dock, dockbook);
+
+ g_list_free (children);
+ }
+}
+
+/**
+ * gimp_dockbook_update_with_context:
+ * @dockbook:
+ * @context:
+ *
+ * Set @context on all dockables in @dockbook.
+ **/
+void
+gimp_dockbook_update_with_context (GimpDockbook *dockbook,
+ GimpContext *context)
+{
+ GList *children = gtk_container_get_children (GTK_CONTAINER (dockbook));
+ GList *iter = NULL;
+
+ for (iter = children;
+ iter;
+ iter = g_list_next (iter))
+ {
+ GimpDockable *dockable = GIMP_DOCKABLE (iter->data);
+
+ gimp_dockable_set_context (dockable, context);
+ }
+
+ g_list_free (children);
+}
+
+GtkWidget *
+gimp_dockbook_create_tab_widget (GimpDockbook *dockbook,
+ GimpDockable *dockable)
+{
+ GtkWidget *tab_widget;
+ GimpDockWindow *dock_window;
+ GimpAction *action = NULL;
+
+ tab_widget =
+ gimp_dockable_create_event_box_tab_widget (dockable,
+ gimp_dock_get_context (dockbook->p->dock),
+ gimp_dockable_get_actual_tab_style (dockable),
+ gimp_dockbook_get_tab_icon_size (dockbook));
+
+ /* EEK */
+ dock_window = gimp_dock_window_from_dock (dockbook->p->dock);
+ if (dock_window &&
+ gimp_dock_container_get_ui_manager (GIMP_DOCK_CONTAINER (dock_window)))
+ {
+ const gchar *dialog_id;
+
+ dialog_id = g_object_get_data (G_OBJECT (dockable),
+ "gimp-dialog-identifier");
+
+ if (dialog_id)
+ {
+ GimpDockContainer *dock_container;
+ GimpActionGroup *group;
+
+ dock_container = GIMP_DOCK_CONTAINER (dock_window);
+
+ group = gimp_ui_manager_get_action_group
+ (gimp_dock_container_get_ui_manager (dock_container), "dialogs");
+
+ if (group)
+ {
+ GList *actions;
+ GList *list;
+
+ actions = gimp_action_group_list_actions (group);
+
+ for (list = actions; list; list = g_list_next (list))
+ {
+ if (GIMP_IS_STRING_ACTION (list->data) &&
+ strstr (GIMP_STRING_ACTION (list->data)->value,
+ dialog_id))
+ {
+ action = list->data;
+ break;
+ }
+ }
+
+ g_list_free (actions);
+ }
+ }
+ }
+
+ if (action)
+ gimp_widget_set_accel_help (tab_widget, action);
+ else
+ gimp_help_set_help_data (tab_widget,
+ gimp_dockable_get_blurb (dockable),
+ gimp_dockable_get_help_id (dockable));
+
+ g_object_set_data (G_OBJECT (tab_widget), "gimp-dockable", dockable);
+
+ gimp_dockbook_tab_drag_source_setup (tab_widget, dockable);
+
+ g_signal_connect_object (tab_widget, "drag-begin",
+ G_CALLBACK (gimp_dockbook_tab_drag_begin),
+ dockable, 0);
+ g_signal_connect_object (tab_widget, "drag-end",
+ G_CALLBACK (gimp_dockbook_tab_drag_end),
+ dockable, 0);
+ g_signal_connect_object (tab_widget, "drag-failed",
+ G_CALLBACK (gimp_dockbook_tab_drag_failed),
+ dockable, 0);
+
+ g_signal_connect_object (dockable, "drag-begin",
+ G_CALLBACK (gimp_dockbook_tab_drag_begin),
+ dockable, 0);
+ g_signal_connect_object (dockable, "drag-end",
+ G_CALLBACK (gimp_dockbook_tab_drag_end),
+ dockable, 0);
+ g_signal_connect_object (dockable, "drag-failed",
+ G_CALLBACK (gimp_dockbook_tab_drag_failed),
+ dockable, 0);
+
+ gtk_drag_dest_set (tab_widget,
+ 0,
+ dialog_target_table, G_N_ELEMENTS (dialog_target_table),
+ GDK_ACTION_MOVE);
+ g_signal_connect_object (tab_widget, "drag-leave",
+ G_CALLBACK (gimp_dockbook_tab_drag_leave),
+ dockable, 0);
+ g_signal_connect_object (tab_widget, "drag-motion",
+ G_CALLBACK (gimp_dockbook_tab_drag_motion),
+ dockable, 0);
+ g_signal_connect_object (tab_widget, "drag-drop",
+ G_CALLBACK (gimp_dockbook_tab_drag_drop),
+ dockbook, 0);
+
+ return tab_widget;
+}
+
+/**
+ * gimp_dockbook_update_auto_tab_style:
+ * @dockbook:
+ *
+ * Refresh the table that we use to map dockbook width to actual auto
+ * tab style, then update auto tabs (also recreate tab widgets if
+ * necessary).
+ **/
+void
+gimp_dockbook_update_auto_tab_style (GimpDockbook *dockbook)
+{
+ g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
+
+ gimp_dockbook_refresh_tab_layout_lut (dockbook);
+ gimp_dockbook_update_automatic_tab_style (dockbook);
+}
+
+gboolean
+gimp_dockbook_drop_dockable (GimpDockbook *dockbook,
+ GtkWidget *drag_source)
+{
+ g_return_val_if_fail (GIMP_IS_DOCKBOOK (dockbook), FALSE);
+
+ if (drag_source)
+ {
+ GimpDockable *dockable =
+ gimp_dockbook_drag_source_to_dockable (drag_source);
+
+ if (dockable)
+ {
+ if (gimp_dockable_get_dockbook (dockable) == dockbook)
+ {
+ gtk_notebook_reorder_child (GTK_NOTEBOOK (dockbook),
+ GTK_WIDGET (dockable), -1);
+ }
+ else
+ {
+ g_object_ref (dockable);
+
+ gimp_dockbook_remove (gimp_dockable_get_dockbook (dockable), dockable);
+ gimp_dockbook_add (dockbook, dockable, -1);
+
+ g_object_unref (dockable);
+ }
+
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+/**
+ * gimp_dockable_set_drag_handler:
+ * @dockable:
+ * @handler:
+ *
+ * Set a drag handler that will be asked if it will handle drag events
+ * before the dockbook handles the event itself.
+ **/
+void
+gimp_dockbook_set_drag_handler (GimpDockbook *dockbook,
+ GimpPanedBox *drag_handler)
+{
+ g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
+
+ dockbook->p->drag_handler = drag_handler;
+}
+
+/**
+ * gimp_dockbook_drag_source_to_dockable:
+ * @drag_source: A drag-and-drop source widget
+ *
+ * Gets the dockable associated with a drag-and-drop source. If
+ * successful, the function will also cleanup the dockable.
+ *
+ * Returns: The dockable
+ **/
+GimpDockable *
+gimp_dockbook_drag_source_to_dockable (GtkWidget *drag_source)
+{
+ GimpDockable *dockable = NULL;
+
+ if (GIMP_IS_DOCKABLE (drag_source))
+ dockable = GIMP_DOCKABLE (drag_source);
+ else
+ dockable = g_object_get_data (G_OBJECT (drag_source),
+ "gimp-dockable");
+ if (dockable)
+ g_object_set_data (G_OBJECT (dockable),
+ "gimp-dock-drag-widget", NULL);
+
+ return dockable;
+}
+
+void
+gimp_dockbook_add_drag_callback (GimpDockbookDragCallback callback,
+ gpointer data)
+{
+ GimpDockbookDragCallbackData *callback_data;
+
+ callback_data = g_slice_new (GimpDockbookDragCallbackData);
+
+ callback_data->callback = callback;
+ callback_data->data = data;
+
+ drag_callbacks = g_list_prepend (drag_callbacks, callback_data);
+}
+
+void
+gimp_dockbook_remove_drag_callback (GimpDockbookDragCallback callback,
+ gpointer data)
+{
+ GList *iter;
+
+ iter = drag_callbacks;
+
+ while (iter)
+ {
+ GimpDockbookDragCallbackData *callback_data = iter->data;
+ GList *next = g_list_next (iter);
+
+ if (callback_data->callback == callback &&
+ callback_data->data == data)
+ {
+ g_slice_free (GimpDockbookDragCallbackData, callback_data);
+
+ drag_callbacks = g_list_delete_link (drag_callbacks, iter);
+ }
+
+ iter = next;
+ }
+}
+
+/* tab DND source side */
+
+static void
+gimp_dockbook_recreate_tab_widgets (GimpDockbook *dockbook,
+ gboolean only_auto)
+{
+ GList *dockables = gtk_container_get_children (GTK_CONTAINER (dockbook));
+ GList *iter = NULL;
+
+ g_object_set (dockbook,
+ "tab-border", gimp_dockbook_get_tab_border (dockbook),
+ NULL);
+
+ for (iter = dockables; iter; iter = g_list_next (iter))
+ {
+ GimpDockable *dockable = GIMP_DOCKABLE (iter->data);
+ GtkWidget *tab_widget;
+
+ if (only_auto &&
+ ! (gimp_dockable_get_tab_style (dockable) == GIMP_TAB_STYLE_AUTOMATIC))
+ continue;
+
+ tab_widget = gimp_dockbook_create_tab_widget (dockbook, dockable);
+
+ gtk_notebook_set_tab_label (GTK_NOTEBOOK (dockbook),
+ GTK_WIDGET (dockable),
+ tab_widget);
+ }
+
+ g_list_free (dockables);
+}
+
+static void
+gimp_dockbook_tab_drag_source_setup (GtkWidget *widget,
+ GimpDockable *dockable)
+{
+ if (gimp_dockable_is_locked (dockable))
+ {
+ if (widget)
+ gtk_drag_source_unset (widget);
+
+ gtk_drag_source_unset (GTK_WIDGET (dockable));
+ }
+ else
+ {
+ if (widget)
+ gtk_drag_source_set (widget,
+ GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
+ dialog_target_table,
+ G_N_ELEMENTS (dialog_target_table),
+ GDK_ACTION_MOVE);
+
+ gtk_drag_source_set (GTK_WIDGET (dockable),
+ GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
+ dialog_target_table,
+ G_N_ELEMENTS (dialog_target_table),
+ GDK_ACTION_MOVE);
+ }
+}
+
+static void
+gimp_dockbook_tab_drag_begin (GtkWidget *widget,
+ GdkDragContext *context,
+ GimpDockable *dockable)
+{
+ GtkAllocation allocation;
+ GtkWidget *window;
+ GtkWidget *view;
+ GList *iter;
+ GtkRequisition requisition;
+ gint drag_x;
+ gint drag_y;
+
+ gtk_widget_get_allocation (widget, &allocation);
+
+ window = gtk_window_new (GTK_WINDOW_POPUP);
+ gtk_window_set_type_hint (GTK_WINDOW (window), GDK_WINDOW_TYPE_HINT_DND);
+ gtk_window_set_screen (GTK_WINDOW (window), gtk_widget_get_screen (widget));
+
+ view = gimp_dockable_create_drag_widget (dockable);
+ gtk_container_add (GTK_CONTAINER (window), view);
+ gtk_widget_show (view);
+
+ gtk_widget_size_request (view, &requisition);
+
+ if (requisition.width < allocation.width)
+ gtk_widget_set_size_request (view, allocation.width, -1);
+
+ gtk_widget_show (window);
+
+ g_object_set_data_full (G_OBJECT (dockable), "gimp-dock-drag-widget",
+ window,
+ (GDestroyNotify) gtk_widget_destroy);
+
+ gimp_dockable_get_drag_pos (dockable, &drag_x, &drag_y);
+ gtk_drag_set_icon_widget (context, window, drag_x, drag_y);
+
+ iter = drag_callbacks;
+
+ while (iter)
+ {
+ GimpDockbookDragCallbackData *callback_data = iter->data;
+
+ iter = g_list_next (iter);
+
+ callback_data->callback (context, TRUE, callback_data->data);
+ }
+}
+
+static void
+gimp_dockbook_tab_drag_end (GtkWidget *widget,
+ GdkDragContext *context,
+ GimpDockable *dockable)
+{
+ GList *iter;
+
+ iter = drag_callbacks;
+
+ while (iter)
+ {
+ GimpDockbookDragCallbackData *callback_data = iter->data;
+
+ iter = g_list_next (iter);
+
+ callback_data->callback (context, FALSE, callback_data->data);
+ }
+}
+
+static gboolean
+gimp_dockbook_tab_drag_failed (GtkWidget *widget,
+ GdkDragContext *context,
+ GtkDragResult result,
+ GimpDockable *dockable)
+{
+ /* XXX The proper way is to handle "drag-end" signal instead.
+ * Unfortunately this signal seems to be broken in various cases on
+ * macOS/GTK+2 (see #1924). As a consequence, we made sure we don't
+ * have anything to clean unconditionally (for instance we used to set
+ * the dockable unsensitive, which anyway was only a visual clue and
+ * is not really useful). Only thing left to handle is the dockable
+ * detachment when dropping in a non-droppable area.
+ */
+ GtkWidget *drag_widget;
+ GtkWidget *window;
+
+ if (result == GTK_DRAG_RESULT_SUCCESS)
+ {
+ /* I don't think this should happen, considering we are in the
+ * "drag-failed" handler, but let's be complete as it is a
+ * possible GtkDragResult value. Just in case!
+ */
+ return FALSE;
+ }
+
+ drag_widget = g_object_get_data (G_OBJECT (dockable),
+ "gimp-dock-drag-widget");
+
+ /* The drag_widget should be present if the drop was not successful,
+ * in which case, we pop up a new dock and move the dockable there.
+ */
+ g_return_val_if_fail (drag_widget, FALSE);
+
+ g_object_set_data (G_OBJECT (dockable), "gimp-dock-drag-widget", NULL);
+ gimp_dockable_detach (dockable);
+
+ window = gtk_widget_get_toplevel (GTK_WIDGET (dockable));
+ gtk_window_present (GTK_WINDOW (window));
+
+ return TRUE;
+}
+
+
+/* tab DND target side */
+
+static void
+gimp_dockbook_tab_drag_leave (GtkWidget *widget,
+ GdkDragContext *context,
+ guint time,
+ GimpDockable *dockable)
+{
+ GimpDockbook *dockbook = gimp_dockable_get_dockbook (dockable);
+
+ gimp_dockbook_remove_tab_timeout (dockbook);
+
+ gimp_highlight_widget (widget, FALSE);
+}
+
+static gboolean
+gimp_dockbook_tab_drag_motion (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time,
+ GimpDockable *dockable)
+{
+ GimpDockbook *dockbook = gimp_dockable_get_dockbook (dockable);
+ GtkTargetList *target_list;
+ GdkAtom target_atom;
+ gboolean handle;
+
+ if (gimp_paned_box_will_handle_drag (dockbook->p->drag_handler,
+ widget,
+ context,
+ x, y,
+ time))
+ {
+ gdk_drag_status (context, 0, time);
+ gimp_highlight_widget (widget, FALSE);
+
+ return FALSE;
+ }
+
+ if (! dockbook->p->tab_hover_timeout ||
+ dockbook->p->tab_hover_dockable != dockable)
+ {
+ gint page_num;
+
+ gimp_dockbook_remove_tab_timeout (dockbook);
+
+ page_num = gtk_notebook_page_num (GTK_NOTEBOOK (dockbook),
+ GTK_WIDGET (dockable));
+
+ if (page_num != gtk_notebook_get_current_page (GTK_NOTEBOOK (dockbook)))
+ gimp_dockbook_add_tab_timeout (dockbook, dockable);
+ }
+
+ target_list = gtk_drag_dest_get_target_list (widget);
+ target_atom = gtk_drag_dest_find_target (widget, context, target_list);
+
+ handle = gtk_target_list_find (target_list, target_atom, NULL);
+
+ gdk_drag_status (context, handle ? GDK_ACTION_MOVE : 0, time);
+ gimp_highlight_widget (widget, handle);
+
+ /* Return TRUE so drag_leave() is called */
+ return TRUE;
+}
+
+static gboolean
+gimp_dockbook_tab_drag_drop (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time)
+{
+ GimpDockable *dest_dockable;
+ GtkWidget *source;
+ gboolean dropped = FALSE;
+
+ dest_dockable = g_object_get_data (G_OBJECT (widget), "gimp-dockable");
+
+ source = gtk_drag_get_source_widget (context);
+
+ if (gimp_paned_box_will_handle_drag (gimp_dockable_get_drag_handler (dest_dockable),
+ widget,
+ context,
+ x, y,
+ time))
+ {
+ return FALSE;
+ }
+
+ if (dest_dockable && source)
+ {
+ GimpDockable *src_dockable =
+ gimp_dockbook_drag_source_to_dockable (source);
+
+ if (src_dockable)
+ {
+ gint dest_index;
+
+ dest_index =
+ gtk_notebook_page_num (GTK_NOTEBOOK (gimp_dockable_get_dockbook (dest_dockable)),
+ GTK_WIDGET (dest_dockable));
+
+ if (gimp_dockable_get_dockbook (src_dockable) !=
+ gimp_dockable_get_dockbook (dest_dockable))
+ {
+ g_object_ref (src_dockable);
+
+ gimp_dockbook_remove (gimp_dockable_get_dockbook (src_dockable), src_dockable);
+ gimp_dockbook_add (gimp_dockable_get_dockbook (dest_dockable), src_dockable,
+ dest_index);
+
+ g_object_unref (src_dockable);
+
+ dropped = TRUE;
+ }
+ else if (src_dockable != dest_dockable)
+ {
+ gtk_notebook_reorder_child (GTK_NOTEBOOK (gimp_dockable_get_dockbook (src_dockable)),
+ GTK_WIDGET (src_dockable),
+ dest_index);
+
+ g_signal_emit (gimp_dockable_get_dockbook (src_dockable),
+ dockbook_signals[DOCKABLE_REORDERED], 0,
+ src_dockable);
+
+ dropped = TRUE;
+ }
+ }
+ }
+
+ gtk_drag_finish (context, dropped, TRUE, time);
+
+ return TRUE;
+}
+
+static GtkWidget *
+gimp_dockable_create_event_box_tab_widget (GimpDockable *dockable,
+ GimpContext *context,
+ GimpTabStyle tab_style,
+ GtkIconSize size)
+{
+ GtkWidget *tab_widget;
+
+ tab_widget =
+ gimp_dockable_create_tab_widget (dockable,
+ context,
+ tab_style,
+ size);
+
+ if (! GIMP_IS_VIEW (tab_widget))
+ {
+ GtkWidget *event_box;
+
+ event_box = gtk_event_box_new ();
+ gtk_event_box_set_visible_window (GTK_EVENT_BOX (event_box), FALSE);
+ gtk_event_box_set_above_child (GTK_EVENT_BOX (event_box), TRUE);
+ gtk_container_add (GTK_CONTAINER (event_box), tab_widget);
+ gtk_widget_show (tab_widget);
+
+ tab_widget = event_box;
+ }
+
+ return tab_widget;
+}
+
+static GtkIconSize
+gimp_dockbook_get_tab_icon_size (GimpDockbook *dockbook)
+{
+ Gimp *gimp = dockbook->p->ui_manager->gimp;
+ GtkIconSize tab_size = DEFAULT_TAB_ICON_SIZE;
+ GimpIconSize size;
+
+ size = gimp_gui_config_detect_icon_size (GIMP_GUI_CONFIG (gimp->config));
+ /* Match GimpIconSize with GtkIconSize. */
+ switch (size)
+ {
+ case GIMP_ICON_SIZE_SMALL:
+ case GIMP_ICON_SIZE_MEDIUM:
+ tab_size = GTK_ICON_SIZE_MENU;
+ break;
+ case GIMP_ICON_SIZE_LARGE:
+ tab_size = GTK_ICON_SIZE_LARGE_TOOLBAR;
+ break;
+ case GIMP_ICON_SIZE_HUGE:
+ tab_size = GTK_ICON_SIZE_DND;
+ break;
+ default:
+ /* GIMP_ICON_SIZE_DEFAULT:
+ * let's use the size set by the theme. */
+ gtk_widget_style_get (GTK_WIDGET (dockbook),
+ "tab-icon-size", &tab_size,
+ NULL);
+ break;
+ }
+
+ return tab_size;
+}
+
+static gint
+gimp_dockbook_get_tab_border (GimpDockbook *dockbook)
+{
+ Gimp *gimp = dockbook->p->ui_manager->gimp;
+ gint tab_border = DEFAULT_TAB_BORDER;
+ GimpIconSize size;
+
+ gtk_widget_style_get (GTK_WIDGET (dockbook),
+ "tab-border", &tab_border,
+ NULL);
+
+ size = gimp_gui_config_detect_icon_size (GIMP_GUI_CONFIG (gimp->config));
+ /* Match GimpIconSize with GtkIconSize. */
+ switch (size)
+ {
+ case GIMP_ICON_SIZE_SMALL:
+ tab_border /= 2;
+ break;
+ case GIMP_ICON_SIZE_LARGE:
+ tab_border *= 2;
+ break;
+ case GIMP_ICON_SIZE_HUGE:
+ tab_border *= 3;
+ break;
+ default:
+ /* GIMP_ICON_SIZE_MEDIUM and GIMP_ICON_SIZE_DEFAULT:
+ * let's use the size set by the theme. */
+ break;
+ }
+
+ return tab_border;
+}
+
+static void
+gimp_dockbook_add_tab_timeout (GimpDockbook *dockbook,
+ GimpDockable *dockable)
+{
+ dockbook->p->tab_hover_timeout =
+ g_timeout_add (TAB_HOVER_TIMEOUT,
+ (GSourceFunc) gimp_dockbook_tab_timeout,
+ dockbook);
+
+ dockbook->p->tab_hover_dockable = dockable;
+}
+
+static void
+gimp_dockbook_remove_tab_timeout (GimpDockbook *dockbook)
+{
+ if (dockbook->p->tab_hover_timeout)
+ {
+ g_source_remove (dockbook->p->tab_hover_timeout);
+ dockbook->p->tab_hover_timeout = 0;
+ dockbook->p->tab_hover_dockable = NULL;
+ }
+}
+
+static gboolean
+gimp_dockbook_tab_timeout (GimpDockbook *dockbook)
+{
+ gint page_num;
+
+ GDK_THREADS_ENTER ();
+
+ page_num = gtk_notebook_page_num (GTK_NOTEBOOK (dockbook),
+ GTK_WIDGET (dockbook->p->tab_hover_dockable));
+ gtk_notebook_set_current_page (GTK_NOTEBOOK (dockbook), page_num);
+
+ dockbook->p->tab_hover_timeout = 0;
+ dockbook->p->tab_hover_dockable = NULL;
+
+ GDK_THREADS_LEAVE ();
+
+ return FALSE;
+}
+
+static void
+gimp_dockbook_tab_locked_notify (GimpDockable *dockable,
+ GParamSpec *pspec,
+ GimpDockbook *dockbook)
+{
+ GtkWidget *tab_widget;
+
+ tab_widget = gtk_notebook_get_tab_label (GTK_NOTEBOOK (dockbook),
+ GTK_WIDGET (dockable));
+
+ gimp_dockbook_tab_drag_source_setup (tab_widget, dockable);
+}
+
+static void
+gimp_dockbook_help_func (const gchar *help_id,
+ gpointer help_data)
+{
+ GimpDockbook *dockbook = GIMP_DOCKBOOK (help_data);
+ GtkWidget *dockable;
+ gint page_num;
+
+ page_num = gtk_notebook_get_current_page (GTK_NOTEBOOK (dockbook));
+
+ dockable = gtk_notebook_get_nth_page (GTK_NOTEBOOK (dockbook), page_num);
+
+ if (GIMP_IS_DOCKABLE (dockable))
+ gimp_standard_help_func (gimp_dockable_get_help_id (GIMP_DOCKABLE (dockable)),
+ NULL);
+ else
+ gimp_standard_help_func (GIMP_HELP_DOCK, NULL);
+}
+
+static const gchar *
+gimp_dockbook_get_tab_style_name (GimpTabStyle tab_style)
+{
+ return g_enum_get_value (g_type_class_peek (GIMP_TYPE_TAB_STYLE),
+ tab_style)->value_name;
+}
+
+static void
+gimp_dockbook_config_size_changed (GimpGuiConfig *config,
+ GimpDockbook *dockbook)
+{
+ gimp_dockbook_recreate_tab_widgets (dockbook, TRUE);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-18 08:18:20 +0000