AlderconeStudio/PIKApp
AlderconeStudio
/
PIKApp
0
0
Fork 0
Code Issues 1 Pull Requests Packages Projects Releases 1 Wiki Activity
PIKApp/app/widgets/pikacontainertreeview.c

2133 lines
83 KiB
C
Raw Blame History

/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pikacontainertreeview.c
* Copyright (C) 2003-2010 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 <gdk/gdkkeysyms.h>
#include <gtk/gtk.h>
#include "libpikawidgets/pikawidgets.h"
#include "widgets-types.h"
#include "core/pikacontainer.h"
#include "core/pikacontext.h"
#include "core/pikaviewable.h"
#include "core/pika-utils.h"
#include "pikacellrendererbutton.h"
#include "pikacellrendererviewable.h"
#include "pikacontainertreestore.h"
#include "pikacontainertreeview.h"
#include "pikacontainertreeview-dnd.h"
#include "pikacontainertreeview.h"
#include "pikacontainertreeview-private.h"
#include "pikacontainerview.h"
#include "pikadnd.h"
#include "pikaviewrenderer.h"
#include "pikawidgets-utils.h"
#include "pika-intl.h"
enum
{
EDIT_NAME,
LAST_SIGNAL
};
static void pika_container_tree_view_view_iface_init (PikaContainerViewInterface *iface);
static void pika_container_tree_view_constructed (GObject *object);
static void pika_container_tree_view_finalize (GObject *object);
static void pika_container_tree_view_style_updated (GtkWidget *widget);
static void pika_container_tree_view_unmap (GtkWidget *widget);
static gboolean pika_container_tree_view_popup_menu (GtkWidget *widget);
static void pika_container_tree_view_set_container (PikaContainerView *view,
PikaContainer *container);
static void pika_container_tree_view_set_context (PikaContainerView *view,
PikaContext *context);
static void pika_container_tree_view_set_selection_mode(PikaContainerView *view,
GtkSelectionMode mode);
static gpointer pika_container_tree_view_insert_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer parent_insert_data,
gint index);
static void pika_container_tree_view_remove_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer insert_data);
static void pika_container_tree_view_reorder_item (PikaContainerView *view,
PikaViewable *viewable,
gint new_index,
gpointer insert_data);
static void pika_container_tree_view_rename_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer insert_data);
static void pika_container_tree_view_expand_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer insert_data);
static gboolean pika_container_tree_view_select_items (PikaContainerView *view,
GList *viewables,
GList *paths);
static void pika_container_tree_view_clear_items (PikaContainerView *view);
static void pika_container_tree_view_set_view_size (PikaContainerView *view);
static void pika_container_tree_view_real_edit_name (PikaContainerTreeView *tree_view);
static gboolean pika_container_tree_view_edit_focus_out (GtkWidget *widget,
GdkEvent *event,
gpointer user_data);
static void pika_container_tree_view_name_started (GtkCellRendererText *cell,
GtkCellEditable *editable,
const gchar *path_str,
PikaContainerTreeView *tree_view);
static void pika_container_tree_view_name_canceled (GtkCellRendererText *cell,
PikaContainerTreeView *tree_view);
static void pika_container_tree_view_selection_changed (GtkTreeSelection *sel,
PikaContainerTreeView *tree_view);
static gboolean pika_container_tree_view_button (GtkWidget *widget,
GdkEventButton *bevent,
PikaContainerTreeView *tree_view);
static gboolean pika_container_tree_view_scroll (GtkWidget *widget,
GdkEventScroll *event,
PikaContainerTreeView *tree_view);
static gboolean pika_container_tree_view_tooltip (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_tip,
GtkTooltip *tooltip,
PikaContainerTreeView *tree_view);
static PikaViewable *pika_container_tree_view_drag_viewable (GtkWidget *widget,
PikaContext **context,
gpointer data);
static GList * pika_container_tree_view_drag_viewable_list (GtkWidget *widget,
PikaContext **context,
gpointer data);
static GdkPixbuf *pika_container_tree_view_drag_pixbuf (GtkWidget *widget,
gpointer data);
static void pika_container_tree_view_zoom_gesture_begin (GtkGestureZoom *gesture,
GdkEventSequence *sequence,
PikaContainerTreeView *tree_view);
static void pika_container_tree_view_zoom_gesture_update (GtkGestureZoom *gesture,
GdkEventSequence *sequence,
PikaContainerTreeView *tree_view);
static gboolean pika_container_tree_view_get_selected_single (PikaContainerTreeView *tree_view,
GtkTreeIter *iter);
static gint pika_container_tree_view_get_selected (PikaContainerView *view,
GList **items,
GList **paths);
static void pika_container_tree_view_row_expanded (GtkTreeView *tree_view,
GtkTreeIter *iter,
GtkTreePath *path,
PikaContainerTreeView *view);
static void pika_container_tree_view_expand_rows (GtkTreeModel *model,
GtkTreeView *view,
GtkTreeIter *parent);
static void pika_container_tree_view_monitor_changed (PikaContainerTreeView *view);
static gboolean pika_container_tree_view_search_path_foreach (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer data);
static GtkTreePath * pika_container_tree_view_get_path (PikaContainerTreeView *tree_view,
PikaViewable *viewable);
G_DEFINE_TYPE_WITH_CODE (PikaContainerTreeView, pika_container_tree_view,
PIKA_TYPE_CONTAINER_BOX,
G_ADD_PRIVATE (PikaContainerTreeView)
G_IMPLEMENT_INTERFACE (PIKA_TYPE_CONTAINER_VIEW,
pika_container_tree_view_view_iface_init))
#define parent_class pika_container_tree_view_parent_class
static PikaContainerViewInterface *parent_view_iface = NULL;
static guint tree_view_signals[LAST_SIGNAL] = { 0 };
static void
pika_container_tree_view_class_init (PikaContainerTreeViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkBindingSet *binding_set;
object_class->constructed = pika_container_tree_view_constructed;
object_class->finalize = pika_container_tree_view_finalize;
widget_class->style_updated = pika_container_tree_view_style_updated;
widget_class->unmap = pika_container_tree_view_unmap;
widget_class->popup_menu = pika_container_tree_view_popup_menu;
klass->edit_name = pika_container_tree_view_real_edit_name;
klass->drop_possible = pika_container_tree_view_real_drop_possible;
klass->drop_viewables = pika_container_tree_view_real_drop_viewables;
klass->drop_color = NULL;
klass->drop_uri_list = NULL;
klass->drop_svg = NULL;
klass->drop_component = NULL;
klass->drop_pixbuf = NULL;
tree_view_signals[EDIT_NAME] =
g_signal_new ("edit-name",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (PikaContainerTreeViewClass, edit_name),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
binding_set = gtk_binding_set_by_class (klass);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_F2, 0,
"edit-name", 0);
}
static void
pika_container_tree_view_view_iface_init (PikaContainerViewInterface *iface)
{
parent_view_iface = g_type_interface_peek_parent (iface);
if (! parent_view_iface)
parent_view_iface = g_type_default_interface_peek (PIKA_TYPE_CONTAINER_VIEW);
iface->set_container = pika_container_tree_view_set_container;
iface->set_context = pika_container_tree_view_set_context;
iface->set_selection_mode = pika_container_tree_view_set_selection_mode;
iface->insert_item = pika_container_tree_view_insert_item;
iface->remove_item = pika_container_tree_view_remove_item;
iface->reorder_item = pika_container_tree_view_reorder_item;
iface->rename_item = pika_container_tree_view_rename_item;
iface->expand_item = pika_container_tree_view_expand_item;
iface->select_items = pika_container_tree_view_select_items;
iface->clear_items = pika_container_tree_view_clear_items;
iface->set_view_size = pika_container_tree_view_set_view_size;
iface->get_selected = pika_container_tree_view_get_selected;
iface->insert_data_free = (GDestroyNotify) gtk_tree_iter_free;
}
static void
pika_container_tree_view_init (PikaContainerTreeView *tree_view)
{
PikaContainerBox *box = PIKA_CONTAINER_BOX (tree_view);
tree_view->priv = pika_container_tree_view_get_instance_private (tree_view);
pika_container_tree_store_columns_init (tree_view->model_columns,
&tree_view->n_model_columns);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (box->scrolled_win),
GTK_SHADOW_IN);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (box->scrolled_win),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
pika_widget_track_monitor (GTK_WIDGET (tree_view),
G_CALLBACK (pika_container_tree_view_monitor_changed),
NULL, NULL);
}
static void
pika_container_tree_view_constructed (GObject *object)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (object);
PikaContainerView *view = PIKA_CONTAINER_VIEW (object);
PikaContainerBox *box = PIKA_CONTAINER_BOX (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
tree_view->model = pika_container_tree_store_new (view,
tree_view->n_model_columns,
tree_view->model_columns);
tree_view->view = g_object_new (GTK_TYPE_TREE_VIEW,
"model", tree_view->model,
"search-column", PIKA_CONTAINER_TREE_STORE_COLUMN_NAME,
"enable-search", FALSE,
"headers-visible", FALSE,
"has-tooltip", TRUE,
"show-expanders", PIKA_CONTAINER_VIEW_GET_IFACE (view)->model_is_tree,
NULL);
gtk_container_add (GTK_CONTAINER (box->scrolled_win),
GTK_WIDGET (tree_view->view));
gtk_widget_show (GTK_WIDGET (tree_view->view));
pika_container_view_set_dnd_widget (view, GTK_WIDGET (tree_view->view));
tree_view->main_column = gtk_tree_view_column_new ();
tree_view->priv->multi_selection_label = gtk_label_new (NULL);
gtk_label_set_selectable (GTK_LABEL (tree_view->priv->multi_selection_label), TRUE);
gtk_tree_view_column_set_widget (tree_view->main_column,
tree_view->priv->multi_selection_label);
gtk_widget_show (tree_view->priv->multi_selection_label);
gtk_tree_view_insert_column (tree_view->view, tree_view->main_column, 0);
gtk_tree_view_set_expander_column (tree_view->view, tree_view->main_column);
gtk_tree_view_set_enable_tree_lines (tree_view->view, TRUE);
tree_view->renderer_cell = pika_cell_renderer_viewable_new ();
gtk_tree_view_column_pack_start (tree_view->main_column,
tree_view->renderer_cell,
FALSE);
gtk_tree_view_column_set_attributes (tree_view->main_column,
tree_view->renderer_cell,
"renderer", PIKA_CONTAINER_TREE_STORE_COLUMN_RENDERER,
NULL);
tree_view->priv->name_cell = gtk_cell_renderer_text_new ();
g_object_set (tree_view->priv->name_cell, "xalign", 0.0, NULL);
gtk_tree_view_column_pack_end (tree_view->main_column,
tree_view->priv->name_cell,
FALSE);
gtk_tree_view_column_set_attributes (tree_view->main_column,
tree_view->priv->name_cell,
"text", PIKA_CONTAINER_TREE_STORE_COLUMN_NAME,
"attributes", PIKA_CONTAINER_TREE_STORE_COLUMN_NAME_ATTRIBUTES,
"sensitive", PIKA_CONTAINER_TREE_STORE_COLUMN_NAME_SENSITIVE,
NULL);
g_signal_connect (tree_view->priv->name_cell, "editing-started",
G_CALLBACK (pika_container_tree_view_name_started),
tree_view);
g_signal_connect (tree_view->priv->name_cell, "editing-canceled",
G_CALLBACK (pika_container_tree_view_name_canceled),
tree_view);
pika_container_tree_view_add_renderer_cell (tree_view,
tree_view->renderer_cell,
PIKA_CONTAINER_TREE_STORE_COLUMN_RENDERER);
tree_view->priv->selection = gtk_tree_view_get_selection (tree_view->view);
g_signal_connect (tree_view->priv->selection, "changed",
G_CALLBACK (pika_container_tree_view_selection_changed),
tree_view);
g_signal_connect (tree_view->view, "drag-failed",
G_CALLBACK (pika_container_tree_view_drag_failed),
tree_view);
g_signal_connect (tree_view->view, "drag-leave",
G_CALLBACK (pika_container_tree_view_drag_leave),
tree_view);
g_signal_connect (tree_view->view, "drag-motion",
G_CALLBACK (pika_container_tree_view_drag_motion),
tree_view);
g_signal_connect (tree_view->view, "drag-drop",
G_CALLBACK (pika_container_tree_view_drag_drop),
tree_view);
g_signal_connect (tree_view->view, "drag-data-received",
G_CALLBACK (pika_container_tree_view_drag_data_received),
tree_view);
g_signal_connect (tree_view->view, "scroll-event",
G_CALLBACK (pika_container_tree_view_scroll),
tree_view);
tree_view->priv->zoom_gesture = gtk_gesture_zoom_new (GTK_WIDGET (tree_view->view));
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (tree_view->priv->zoom_gesture),
GTK_PHASE_CAPTURE);
/* The default signal handler needs to run first to setup scale delta */
g_signal_connect_after (tree_view->priv->zoom_gesture, "begin",
G_CALLBACK (pika_container_tree_view_zoom_gesture_begin),
tree_view);
g_signal_connect_after (tree_view->priv->zoom_gesture, "update",
G_CALLBACK (pika_container_tree_view_zoom_gesture_update),
tree_view);
/* connect_after so external code can connect to "query-tooltip" too
* and override the default tip
*/
g_signal_connect_after (tree_view->view, "query-tooltip",
G_CALLBACK (pika_container_tree_view_tooltip),
tree_view);
}
static void
pika_container_tree_view_finalize (GObject *object)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (object);
g_clear_object (&tree_view->model);
if (tree_view->priv->toggle_cells)
{
g_list_free (tree_view->priv->toggle_cells);
tree_view->priv->toggle_cells = NULL;
}
g_list_free (tree_view->priv->renderer_cells);
if (tree_view->priv->editable_cells)
{
g_list_free (tree_view->priv->editable_cells);
tree_view->priv->editable_cells = NULL;
}
g_clear_pointer (&tree_view->priv->editing_path, g_free);
g_clear_object (&tree_view->priv->zoom_gesture);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
pika_container_tree_view_style_updated_foreach (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer data)
{
PikaViewRenderer *renderer;
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (model), iter);
if (renderer)
{
pika_view_renderer_invalidate (renderer);
g_object_unref (renderer);
}
return FALSE;
}
static void
pika_container_tree_view_style_updated (GtkWidget *widget)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (widget);
GTK_WIDGET_CLASS (parent_class)->style_updated (widget);
if (tree_view->model)
gtk_tree_model_foreach (tree_view->model,
pika_container_tree_view_style_updated_foreach,
NULL);
}
static void
pika_container_tree_view_unmap (GtkWidget *widget)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (widget);
if (tree_view->priv->scroll_timeout_id)
{
g_source_remove (tree_view->priv->scroll_timeout_id);
tree_view->priv->scroll_timeout_id = 0;
}
GTK_WIDGET_CLASS (parent_class)->unmap (widget);
}
static gboolean
pika_container_tree_view_popup_menu (GtkWidget *widget)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (widget);
GtkTreeIter iter;
GtkTreePath *path;
GdkRectangle rect;
if (!pika_container_tree_view_get_selected_single (tree_view, &iter))
return FALSE;
path = gtk_tree_model_get_path (tree_view->model, &iter);
gtk_tree_view_get_cell_area (tree_view->view, path,
tree_view->main_column, &rect);
gtk_tree_view_convert_bin_window_to_widget_coords (tree_view->view,
rect.x, rect.y,
&rect.x, &rect.y);
gtk_tree_path_free (path);
return pika_editor_popup_menu_at_rect (PIKA_EDITOR (widget),
gtk_tree_view_get_bin_window (tree_view->view),
&rect, GDK_GRAVITY_CENTER, GDK_GRAVITY_NORTH_WEST,
NULL);
}
GtkWidget *
pika_container_tree_view_new (PikaContainer *container,
PikaContext *context,
gint view_size,
gint view_border_width)
{
PikaContainerTreeView *tree_view;
PikaContainerView *view;
g_return_val_if_fail (container == NULL || PIKA_IS_CONTAINER (container),
NULL);
g_return_val_if_fail (context == NULL || PIKA_IS_CONTEXT (context), NULL);
g_return_val_if_fail (view_size > 0 &&
view_size <= PIKA_VIEWABLE_MAX_PREVIEW_SIZE, NULL);
g_return_val_if_fail (view_border_width >= 0 &&
view_border_width <= PIKA_VIEW_MAX_BORDER_WIDTH,
NULL);
tree_view = g_object_new (PIKA_TYPE_CONTAINER_TREE_VIEW, NULL);
view = PIKA_CONTAINER_VIEW (tree_view);
pika_container_view_set_view_size (view, view_size, view_border_width);
if (container)
pika_container_view_set_container (view, container);
if (context)
pika_container_view_set_context (view, context);
return GTK_WIDGET (tree_view);
}
GtkCellRenderer *
pika_container_tree_view_get_name_cell (PikaContainerTreeView *tree_view)
{
g_return_val_if_fail (PIKA_IS_CONTAINER_TREE_VIEW (tree_view), NULL);
return tree_view->priv->name_cell;
}
void
pika_container_tree_view_set_main_column_title (PikaContainerTreeView *tree_view,
const gchar *title)
{
g_return_if_fail (PIKA_IS_CONTAINER_TREE_VIEW (tree_view));
gtk_tree_view_column_set_title (tree_view->main_column,
title);
}
void
pika_container_tree_view_add_toggle_cell (PikaContainerTreeView *tree_view,
GtkCellRenderer *cell)
{
g_return_if_fail (PIKA_IS_CONTAINER_TREE_VIEW (tree_view));
g_return_if_fail (PIKA_IS_CELL_RENDERER_TOGGLE (cell) ||
PIKA_IS_CELL_RENDERER_BUTTON (cell));
tree_view->priv->toggle_cells = g_list_prepend (tree_view->priv->toggle_cells,
cell);
}
void
pika_container_tree_view_add_renderer_cell (PikaContainerTreeView *tree_view,
GtkCellRenderer *cell,
gint column_number)
{
g_return_if_fail (PIKA_IS_CONTAINER_TREE_VIEW (tree_view));
g_return_if_fail (PIKA_IS_CELL_RENDERER_VIEWABLE (cell));
tree_view->priv->renderer_cells = g_list_prepend (tree_view->priv->renderer_cells,
cell);
pika_container_tree_store_add_renderer_cell (PIKA_CONTAINER_TREE_STORE (tree_view->model),
cell, column_number);
}
void
pika_container_tree_view_set_dnd_drop_to_empty (PikaContainerTreeView *tree_view,
gboolean dnd_drop_to_empty)
{
g_return_if_fail (PIKA_IS_CONTAINER_TREE_VIEW (tree_view));
tree_view->priv->dnd_drop_to_empty = dnd_drop_to_empty;
}
void
pika_container_tree_view_connect_name_edited (PikaContainerTreeView *tree_view,
GCallback callback,
gpointer data)
{
g_return_if_fail (PIKA_IS_CONTAINER_TREE_VIEW (tree_view));
g_return_if_fail (callback != NULL);
g_object_set (tree_view->priv->name_cell,
"mode", GTK_CELL_RENDERER_MODE_EDITABLE,
"editable", TRUE,
NULL);
if (! g_list_find (tree_view->priv->editable_cells, tree_view->priv->name_cell))
tree_view->priv->editable_cells = g_list_prepend (tree_view->priv->editable_cells,
tree_view->priv->name_cell);
g_signal_connect (tree_view->priv->name_cell, "edited",
callback,
data);
}
gboolean
pika_container_tree_view_name_edited (GtkCellRendererText *cell,
const gchar *path_str,
const gchar *new_name,
PikaContainerTreeView *tree_view)
{
GtkTreePath *path;
GtkTreeIter iter;
gboolean changed = FALSE;
path = gtk_tree_path_new_from_string (path_str);
if (gtk_tree_model_get_iter (tree_view->model, &iter, path))
{
PikaViewRenderer *renderer;
PikaObject *object;
const gchar *old_name;
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (tree_view->model), &iter);
object = PIKA_OBJECT (renderer->viewable);
old_name = pika_object_get_name (object);
if (! old_name) old_name = "";
if (! new_name) new_name = "";
if (strcmp (old_name, new_name))
{
pika_object_set_name (object, new_name);
changed = TRUE;
}
else
{
gchar *name = pika_viewable_get_description (renderer->viewable,
NULL);
gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), &iter,
PIKA_CONTAINER_TREE_STORE_COLUMN_NAME, name,
-1);
g_free (name);
}
g_object_unref (renderer);
}
gtk_tree_path_free (path);
return changed;
}
/* PikaContainerView methods */
static void
pika_container_tree_view_set_container (PikaContainerView *view,
PikaContainer *container)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
PikaContainer *old_container;
old_container = pika_container_view_get_container (view);
if (old_container)
{
tree_view->priv->dnd_renderer = NULL;
g_signal_handlers_disconnect_by_func (tree_view->view,
pika_container_tree_view_row_expanded,
tree_view);
if (! container)
{
if (pika_dnd_viewable_list_source_remove (GTK_WIDGET (tree_view->view),
pika_container_get_children_type (old_container)))
{
if (PIKA_VIEWABLE_CLASS (g_type_class_peek (pika_container_get_children_type (old_container)))->get_size)
pika_dnd_pixbuf_source_remove (GTK_WIDGET (tree_view->view));
gtk_drag_source_unset (GTK_WIDGET (tree_view->view));
}
g_signal_handlers_disconnect_by_func (tree_view->view,
pika_container_tree_view_button,
tree_view);
}
}
else if (container)
{
if (pika_dnd_drag_source_set_by_type (GTK_WIDGET (tree_view->view),
GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
pika_container_get_children_type (container),
GDK_ACTION_COPY))
{
pika_dnd_viewable_list_source_add (GTK_WIDGET (tree_view->view),
pika_container_get_children_type (container),
pika_container_tree_view_drag_viewable_list,
tree_view);
pika_dnd_viewable_source_add (GTK_WIDGET (tree_view->view),
pika_container_get_children_type (container),
pika_container_tree_view_drag_viewable,
tree_view);
if (PIKA_VIEWABLE_CLASS (g_type_class_peek (pika_container_get_children_type (container)))->get_size)
pika_dnd_pixbuf_source_add (GTK_WIDGET (tree_view->view),
pika_container_tree_view_drag_pixbuf,
tree_view);
}
/* connect button_press_event after DND so we can keep the list from
* selecting the item on button2
*/
g_signal_connect (tree_view->view, "button-press-event",
G_CALLBACK (pika_container_tree_view_button),
tree_view);
g_signal_connect (tree_view->view, "button-release-event",
G_CALLBACK (pika_container_tree_view_button),
tree_view);
}
parent_view_iface->set_container (view, container);
if (container)
{
pika_container_tree_view_expand_rows (tree_view->model,
tree_view->view,
NULL);
g_signal_connect (tree_view->view,
"row-collapsed",
G_CALLBACK (pika_container_tree_view_row_expanded),
tree_view);
g_signal_connect (tree_view->view,
"row-expanded",
G_CALLBACK (pika_container_tree_view_row_expanded),
tree_view);
}
gtk_tree_view_columns_autosize (tree_view->view);
}
static void
pika_container_tree_view_set_context (PikaContainerView *view,
PikaContext *context)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
if (tree_view->model)
pika_container_tree_store_set_context (PIKA_CONTAINER_TREE_STORE (tree_view->model),
context);
parent_view_iface->set_context (view, context);
}
static void
pika_container_tree_view_set_selection_mode (PikaContainerView *view,
GtkSelectionMode mode)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
gtk_tree_selection_set_mode (tree_view->priv->selection, mode);
parent_view_iface->set_selection_mode (view, mode);
}
static gpointer
pika_container_tree_view_insert_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer parent_insert_data,
gint index)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
GtkTreeIter *parent_iter = parent_insert_data;
GtkTreeIter *iter;
iter = pika_container_tree_store_insert_item (PIKA_CONTAINER_TREE_STORE (tree_view->model),
viewable,
parent_iter,
index);
if (parent_iter)
pika_container_tree_view_expand_item (view, viewable, parent_iter);
return iter;
}
static void
pika_container_tree_view_remove_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer insert_data)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter = (GtkTreeIter *) insert_data;
pika_container_tree_store_remove_item (PIKA_CONTAINER_TREE_STORE (tree_view->model),
viewable,
iter);
if (iter)
gtk_tree_view_columns_autosize (tree_view->view);
}
static void
pika_container_tree_view_reorder_item (PikaContainerView *view,
PikaViewable *viewable,
gint new_index,
gpointer insert_data)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter = (GtkTreeIter *) insert_data;
GtkTreeIter parent_iter;
gboolean selected = FALSE;
if (iter)
{
GtkTreeIter selected_iter;
selected = pika_container_tree_view_get_selected_single (tree_view,
&selected_iter);
if (selected)
{
PikaViewRenderer *renderer;
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (tree_view->model),
&selected_iter);
if (renderer->viewable != viewable)
selected = FALSE;
g_object_unref (renderer);
}
}
pika_container_tree_store_reorder_item (PIKA_CONTAINER_TREE_STORE (tree_view->model),
viewable,
new_index,
iter);
if (selected)
pika_container_view_select_item (view, viewable);
if (gtk_tree_model_iter_parent (tree_view->model, &parent_iter, iter))
pika_container_tree_view_expand_item (view, viewable, &parent_iter);
}
static void
pika_container_tree_view_rename_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer insert_data)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter = (GtkTreeIter *) insert_data;
if (pika_container_tree_store_rename_item (PIKA_CONTAINER_TREE_STORE (tree_view->model),
viewable,
iter))
{
gtk_tree_view_columns_autosize (tree_view->view);
}
}
static void
pika_container_tree_view_expand_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer insert_data)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter = (GtkTreeIter *) insert_data;
PikaViewRenderer *renderer;
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (tree_view->model), iter);
if (renderer)
{
GtkTreePath *path = gtk_tree_model_get_path (tree_view->model, iter);
g_signal_handlers_block_by_func (tree_view,
pika_container_tree_view_row_expanded,
view);
if (pika_viewable_get_expanded (renderer->viewable))
gtk_tree_view_expand_row (tree_view->view, path, FALSE);
else
gtk_tree_view_collapse_row (tree_view->view, path);
g_signal_handlers_unblock_by_func (tree_view,
pika_container_tree_view_row_expanded,
view);
gtk_tree_path_free (path);
g_object_unref (renderer);
}
}
static gboolean
pika_container_tree_view_select_items (PikaContainerView *view,
GList *items,
GList *paths)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
GList *item;
GList *path;
gboolean free_paths = FALSE;
gboolean scroll_to_first = TRUE;
GtkTreePath *focused_path = NULL;
/* If @paths is not set, compute it ourselves. */
if (g_list_length (items) != g_list_length (paths))
{
paths = NULL;
for (item = items; item; item = item->next)
{
GtkTreePath *path;
path = pika_container_tree_view_get_path (tree_view, item->data);
if (path != NULL)
/* It may happen that some items have no paths when a tree
* view has some filtering logics (for instance Palette or
* Fonts dockables). Then an item which was selected at
* first might become unselected during filtering and has to
* be removed from selection.
*/
paths = g_list_prepend (paths, path);
}
paths = g_list_reverse (paths);
free_paths = TRUE;
}
g_signal_handlers_block_by_func (tree_view->priv->selection,
pika_container_tree_view_selection_changed,
tree_view);
gtk_tree_selection_unselect_all (tree_view->priv->selection);
gtk_tree_view_get_cursor (tree_view->view, &focused_path, NULL);
if (focused_path != NULL)
{
GtkTreePath *closer_up = NULL;
GtkTreePath *closer_down = NULL;
for (path = paths; path; path = path->next)
{
if (gtk_tree_path_compare (path->data, focused_path) == 0)
{
break;
}
else if (gtk_tree_path_compare (path->data, focused_path) == -1)
{
if (closer_up == NULL || gtk_tree_path_compare (path->data, closer_up) == 1)
closer_up = path->data;
}
else
{
if (closer_down == NULL || gtk_tree_path_compare (path->data, closer_down) == -1)
closer_down = path->data;
}
}
if (path == NULL)
{
/* The current cursor is not part of the selection. This may happen in
* particular with a ctrl-click interaction which would deselect the
* item the cursor is now on.
*/
g_clear_pointer (&focused_path, gtk_tree_path_free);
if (closer_up != NULL || closer_down != NULL)
{
GtkTreePath *first = NULL;
GtkTreePath *last = NULL;
if (gtk_tree_view_get_visible_range (tree_view->view, &first, &last))
{
if (closer_up != NULL &&
gtk_tree_path_compare (closer_up, first) >= 0 &&
gtk_tree_path_compare (closer_up, last) <= 0)
focused_path = gtk_tree_path_copy (closer_up);
else if (closer_down != NULL &&
gtk_tree_path_compare (closer_down, first) >= 0 &&
gtk_tree_path_compare (closer_down, last) <= 0)
focused_path = gtk_tree_path_copy (closer_down);
}
if (focused_path == NULL)
{
if (closer_up != NULL)
focused_path = gtk_tree_path_copy (closer_up);
else
focused_path = gtk_tree_path_copy (closer_down);
}
gtk_tree_path_free (first);
gtk_tree_path_free (last);
}
else if (paths != NULL)
{
focused_path = gtk_tree_path_copy (paths->data);
}
}
}
else if (paths != NULL)
{
focused_path = gtk_tree_path_copy (paths->data);
}
/* Setting a cursor will reset the selection, so we must do it first. We don't
* want to change the cursor (which is likely the last clicked item), yet we
* also want to make sure that the cursor cannot end up out of the selected
* items, leading to discrepancy between pointer and keyboard navigation. This
* is why we set the cursor with this priority:
* 1. unchanged if it stays within selection;
* 2. closer item above the current cursor, if visible;
* 3. closer item below the current cursor, if visible;
* 4. closer item above the current cursor (even though invisible, which will
* make the view scroll up);
* 5. closer item below the current cursor if there are no items above (view
* will scroll down);
* 6. top selected item if there was no current cursor;
* 7. nothing if no selected items.
*/
if (focused_path != NULL)
gtk_tree_view_set_cursor (tree_view->view, focused_path, NULL, FALSE);
gtk_tree_path_free (focused_path);
for (item = items, path = paths; item && path; item = item->next, path = path->next)
{
GtkTreePath *parent_path;
/* Expand if necessary. */
parent_path = gtk_tree_path_copy (path->data);
if (gtk_tree_path_up (parent_path))
gtk_tree_view_expand_to_path (tree_view->view, parent_path);
gtk_tree_path_free (parent_path);
/* Add to the selection. */
gtk_tree_selection_select_path (tree_view->priv->selection, path->data);
}
g_signal_handlers_unblock_by_func (tree_view->priv->selection,
pika_container_tree_view_selection_changed,
tree_view);
if (paths)
{
GtkTreePath *first;
GtkTreePath *last;
/* Scroll to the top item if and only if none of the selected
* items are already visible. Do nothing otherwise.
*/
if (gtk_tree_view_get_visible_range (tree_view->view, &first, &last))
{
for (item = items, path = paths; item && path; item = item->next, path = path->next)
{
if (gtk_tree_path_compare (first, path->data) <= 0 &&
gtk_tree_path_compare (path->data, last) <= 0)
{
scroll_to_first = FALSE;
break;
}
}
gtk_tree_path_free (first);
gtk_tree_path_free (last);
}
if (scroll_to_first)
gtk_tree_view_scroll_to_cell (tree_view->view, paths->data,
NULL, FALSE, 0.0, 0.0);
}
if (free_paths)
g_list_free_full (paths, (GDestroyNotify) gtk_tree_path_free);
if (g_list_length (items) > 1)
{
gchar *str;
str = g_strdup_printf (ngettext ("%d item selected", "%d items selected",
g_list_length (items)),
g_list_length (items));
gtk_label_set_text (GTK_LABEL (tree_view->priv->multi_selection_label), str);
g_free (str);
gtk_widget_show (tree_view->priv->multi_selection_label);
}
else
{
gtk_widget_hide (tree_view->priv->multi_selection_label);
}
return TRUE;
}
static void
pika_container_tree_view_clear_items (PikaContainerView *view)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
g_signal_handlers_block_by_func (tree_view->priv->selection,
pika_container_tree_view_selection_changed,
tree_view);
/* temporarily unset the tree-view's model, so that name editing is stopped
* now, before clearing the tree store. otherwise, name editing would stop
* when the corresponding item is removed from the store, leading us to
* rename the wrong item. see issue #3284.
*/
gtk_tree_view_set_model (tree_view->view, NULL);
pika_container_tree_store_clear_items (PIKA_CONTAINER_TREE_STORE (tree_view->model));
gtk_tree_view_set_model (tree_view->view, tree_view->model);
g_signal_handlers_unblock_by_func (tree_view->priv->selection,
pika_container_tree_view_selection_changed,
tree_view);
parent_view_iface->clear_items (view);
}
static void
pika_container_tree_view_set_view_size (PikaContainerView *view)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
GtkWidget *tree_widget;
GList *list;
gint view_size;
gint border_width;
view_size = pika_container_view_get_view_size (view, &border_width);
if (tree_view->model)
pika_container_tree_store_set_view_size (PIKA_CONTAINER_TREE_STORE (tree_view->model));
tree_widget = GTK_WIDGET (tree_view->view);
if (! tree_widget)
return;
for (list = tree_view->priv->toggle_cells; list; list = g_list_next (list))
{
gchar *icon_name;
gint icon_size;
g_object_get (list->data, "icon-name", &icon_name, NULL);
if (icon_name)
{
GtkStyleContext *style = gtk_widget_get_style_context (tree_widget);
GtkBorder border;
gtk_style_context_save (style);
gtk_style_context_add_class (style, GTK_STYLE_CLASS_BUTTON);
gtk_style_context_get_border (style, 0, &border);
gtk_style_context_restore (style);
g_object_get (list->data, "icon-size", &icon_size, NULL);
icon_size = MIN (icon_size, MAX (view_size - (border.left + border.right),
view_size - (border.top + border.bottom)));
g_object_set (list->data, "icon-size", icon_size, NULL);
g_free (icon_name);
}
}
gtk_tree_view_columns_autosize (tree_view->view);
}
/* PikaContainerTreeView methods */
static void
pika_container_tree_view_real_edit_name (PikaContainerTreeView *tree_view)
{
GtkTreeIter selected_iter;
gboolean success = FALSE;
if (g_list_find (tree_view->priv->editable_cells,
tree_view->priv->name_cell) &&
pika_container_tree_view_get_selected_single (tree_view,
&selected_iter))
{
PikaViewRenderer *renderer;
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (tree_view->model),
&selected_iter);
if (pika_viewable_is_name_editable (renderer->viewable))
{
GtkTreePath *path;
path = gtk_tree_model_get_path (tree_view->model, &selected_iter);
gtk_tree_view_set_cursor_on_cell (tree_view->view, path,
tree_view->main_column,
tree_view->priv->name_cell,
TRUE);
gtk_tree_path_free (path);
success = TRUE;
}
g_object_unref (renderer);
}
if (! success)
gtk_widget_error_bell (GTK_WIDGET (tree_view));
}
/* callbacks */
static gboolean
pika_container_tree_view_edit_focus_out (GtkWidget *widget,
GdkEvent *event,
gpointer user_data)
{
PikaContainerTreeView *tree_view = user_data;
/* When focusing out of a tree view, we want its content to be
* updated as though it had been activated.
*/
g_clear_pointer (&tree_view->priv->editing_path, g_free);
g_signal_emit_by_name (widget, "activate", 0);
return TRUE;
}
static void
pika_container_tree_view_name_started (GtkCellRendererText *cell,
GtkCellEditable *editable,
const gchar *path_str,
PikaContainerTreeView *tree_view)
{
GtkTreePath *path;
GtkTreeIter iter;
path = gtk_tree_path_new_from_string (path_str);
tree_view->priv->editing_path = g_strdup (path_str);
g_signal_connect (GTK_ENTRY (editable), "focus-out-event",
G_CALLBACK (pika_container_tree_view_edit_focus_out),
tree_view);
if (gtk_tree_model_get_iter (tree_view->model, &iter, path))
{
PikaViewRenderer *renderer;
const gchar *real_name;
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (tree_view->model), &iter);
real_name = pika_object_get_name (renderer->viewable);
pika_view_renderer_remove_idle (renderer);
g_object_unref (renderer);
gtk_entry_set_text (GTK_ENTRY (editable), real_name);
}
gtk_tree_path_free (path);
}
static void
pika_container_tree_view_name_canceled (GtkCellRendererText *cell,
PikaContainerTreeView *tree_view)
{
GtkTreeIter iter;
if (pika_container_tree_view_get_selected_single (tree_view, &iter))
{
PikaViewRenderer *renderer;
gchar *name;
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (tree_view->model), &iter);
name = pika_viewable_get_description (renderer->viewable, NULL);
gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), &iter,
PIKA_CONTAINER_TREE_STORE_COLUMN_NAME, name,
-1);
g_free (name);
g_object_unref (renderer);
}
}
static void
pika_container_tree_view_selection_changed (GtkTreeSelection *selection,
PikaContainerTreeView *tree_view)
{
PikaContainerView *view = PIKA_CONTAINER_VIEW (tree_view);
GList *items;
GList *paths;
pika_container_tree_view_get_selected (view, &items, &paths);
pika_container_view_multi_selected (view, items, paths);
g_list_free (items);
g_list_free_full (paths, (GDestroyNotify) gtk_tree_path_free);
}
static GtkCellRenderer *
pika_container_tree_view_find_click_cell (GtkWidget *widget,
GList *cells,
GtkTreeViewColumn *column,
GdkRectangle *column_area,
gint tree_x,
gint tree_y)
{
GList *list;
gboolean rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
for (list = cells; list; list = g_list_next (list))
{
GtkCellRenderer *renderer = list->data;
gint start;
gint width;
if (gtk_cell_renderer_get_visible (renderer) &&
gtk_tree_view_column_cell_get_position (column, renderer,
&start, &width))
{
gint xpad, ypad;
gint x;
gtk_cell_renderer_get_padding (renderer, &xpad, &ypad);
if (rtl)
x = column_area->x + column_area->width - start - width;
else
x = start + column_area->x;
if (tree_x >= x + xpad &&
tree_x < x + width - xpad)
{
return renderer;
}
}
}
return NULL;
}
static gboolean
pika_container_tree_view_button (GtkWidget *widget,
GdkEventButton *bevent,
PikaContainerTreeView *tree_view)
{
PikaContainerView *container_view = PIKA_CONTAINER_VIEW (tree_view);
GtkTreeViewColumn *column;
GtkTreePath *path;
gboolean handled = TRUE;
GtkCellRenderer *toggled_cell = NULL;
PikaCellRendererViewable *clicked_cell = NULL;
tree_view->priv->dnd_renderer = NULL;
if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget),
bevent->x, bevent->y,
&path, &column, NULL, NULL))
{
PikaViewRenderer *renderer;
GtkCellRenderer *edit_cell = NULL;
GdkRectangle column_area;
GtkTreeIter iter;
gboolean multisel_mode;
GdkModifierType modifiers = (bevent->state & pika_get_all_modifiers_mask ());
handled = TRUE;
multisel_mode = (gtk_tree_selection_get_mode (tree_view->priv->selection)
== GTK_SELECTION_MULTIPLE);
if (! modifiers ||
(modifiers & ~(pika_get_extend_selection_mask () | pika_get_modify_selection_mask ())))
{
/* don't chain up for multi-selection handling if none of
* the participating modifiers is pressed, we implement
* button_press completely ourselves for a reason and don't
* want the default implementation mess up our state
*/
multisel_mode = FALSE;
}
/* We need to grab focus at button click, in order to make keyboard
* navigation possible; yet the timing matters:
* 1. For multi-selection, actual selection will happen in
* pika_container_tree_view_selection_changed() but the widget
* must already be focused or the handler won't run. So we grab first.
* 2. For toggled and clicked cells, we must also grab first (see code
* below), and absolutely not in the end, because some toggle cells may
* trigger a popup (and the grab on the source widget would close the
* popup).
* 3. Finally for single selection, grab must happen after we changed
* the selection (which will happen in this function) otherwise we
* end up first scrolling to the current selection.
* This is why we have a few separate calls to gtk_widget_grab_focus()
* in this function.
* See also commit 3e101922, MR !1128 and #10281.
*/
if (multisel_mode && bevent->type == GDK_BUTTON_PRESS && ! gtk_widget_has_focus (widget))
gtk_widget_grab_focus (widget);
gtk_tree_model_get_iter (tree_view->model, &iter, path);
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (tree_view->model), &iter);
tree_view->priv->dnd_renderer = renderer;
gtk_tree_view_get_cell_area (tree_view->view, path,
column, &column_area);
gtk_tree_view_column_cell_set_cell_data (column,
tree_view->model,
&iter,
FALSE, FALSE);
if (bevent->button == 1 &&
gtk_tree_model_iter_has_child (tree_view->model, &iter) &&
column == gtk_tree_view_get_expander_column (tree_view->view))
{
GList *cells;
cells = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
if (! pika_container_tree_view_find_click_cell (widget,
cells,
column, &column_area,
bevent->x, bevent->y))
{
if (bevent->state & pika_get_extend_selection_mask () &&
bevent->type == GDK_BUTTON_PRESS &&
bevent->window == gtk_tree_view_get_bin_window (GTK_TREE_VIEW (widget)) &&
! gtk_tree_view_is_blank_at_pos (GTK_TREE_VIEW (widget),
bevent->x, bevent->y, NULL, NULL,
NULL, NULL))
{
/* When shift-clicking an expander, let's have a
* behavior similar to shift-clicking the visibility
* or link toggles, i.e. expanding the group alone or
* together will all groups of same depth.
*/
GtkTreePath *first_path;
GtkTreeIter parent;
gboolean expand_all = TRUE;
/* Get the first item at same depth. */
if (gtk_tree_model_iter_parent (tree_view->model, &parent, &iter))
gtk_tree_model_iter_nth_child (tree_view->model, &iter, &parent, 0);
else
gtk_tree_model_get_iter_first (tree_view->model, &iter);
first_path = gtk_tree_model_get_path (tree_view->model, &iter);
/* Check expansion state of other items at same depth. */
do
{
GtkTreePath *path2 = gtk_tree_model_get_path (tree_view->model, &iter);
if (gtk_tree_path_compare (path, path2) != 0 &&
gtk_tree_view_row_expanded (GTK_TREE_VIEW (widget), path2))
expand_all = FALSE;
gtk_tree_path_free (path2);
if (! expand_all)
break;
}
while (gtk_tree_model_iter_next (tree_view->model, &iter));
/* Revert back to first item at same depth. */
gtk_tree_model_get_iter (tree_view->model, &iter, first_path);
gtk_tree_path_free (first_path);
/* Expand or collapse rows at this depth. */
do
{
GtkTreePath *path2 = gtk_tree_model_get_path (tree_view->model, &iter);
if (gtk_tree_path_compare (path, path2) == 0 || expand_all)
gtk_tree_view_expand_to_path (GTK_TREE_VIEW (widget), path2);
else
gtk_tree_view_collapse_row (GTK_TREE_VIEW (widget), path2);
gtk_tree_path_free (path2);
}
while (gtk_tree_model_iter_next (tree_view->model, &iter));
gtk_tree_view_scroll_to_cell (tree_view->view, path,
NULL, FALSE, 0.0, 0.0);
handled = TRUE;
}
else
{
/* we didn't click on any cell, but we clicked on empty
* space in the expander column of a row that has
* children; let GtkTreeView process the button press
* to maybe handle a click on an expander.
*/
handled = FALSE;
}
g_list_free (cells);
gtk_tree_path_free (path);
g_object_unref (renderer);
return handled;
}
g_list_free (cells);
}
toggled_cell =
pika_container_tree_view_find_click_cell (widget,
tree_view->priv->toggle_cells,
column, &column_area,
bevent->x, bevent->y);
if (! toggled_cell)
clicked_cell = (PikaCellRendererViewable *)
pika_container_tree_view_find_click_cell (widget,
tree_view->priv->renderer_cells,
column, &column_area,
bevent->x, bevent->y);
if ((toggled_cell || clicked_cell) &&
bevent->type == GDK_BUTTON_PRESS && ! gtk_widget_has_focus (widget))
gtk_widget_grab_focus (widget);
if (! toggled_cell && ! clicked_cell)
{
edit_cell =
pika_container_tree_view_find_click_cell (widget,
tree_view->priv->editable_cells,
column, &column_area,
bevent->x, bevent->y);
if (edit_cell && bevent->type == GDK_BUTTON_RELEASE)
{
gchar *editing_path;
editing_path = gtk_tree_path_to_string (path);
if (tree_view->priv->editing_path &&
g_strcmp0 (tree_view->priv->editing_path, editing_path) == 0)
{
/* Bail out when releasing over an edit cell we are
* already editing.
* The reason is that GDK_2BUTTON_PRESS happens before
* the last GDK_BUTTON_RELEASE in a double click. So
* if we were to proceed, the edit-in-progress would
* end up being canceled (by updating the selection)
* nearly immediately.
*/
g_free (editing_path);
gtk_tree_path_free (path);
g_object_unref (renderer);
return handled;
}
g_free (editing_path);
}
}
g_object_ref (tree_view);
if (pika_event_triggers_context_menu ((GdkEvent *) bevent, TRUE))
{
/* If the clicked item is not selected, it becomes the new
* selection. Otherwise, we use the current selection. This
* allows to not break multiple selection when right-clicking.
*/
if (! pika_container_view_is_item_selected (container_view, renderer->viewable))
pika_container_view_item_selected (container_view, renderer->viewable);
/* Show the context menu. */
if (pika_container_view_get_container (container_view))
pika_editor_popup_menu_at_pointer (PIKA_EDITOR (tree_view), (GdkEvent *) bevent);
}
else if (bevent->button == 1)
{
handled = TRUE;
if (bevent->type == GDK_BUTTON_PRESS || bevent->type == GDK_BUTTON_RELEASE)
{
/* don't select item if a toggle was clicked */
if (! toggled_cell)
{
gchar *path_str = gtk_tree_path_to_string (path);
handled = FALSE;
if (bevent->type == GDK_BUTTON_RELEASE && clicked_cell)
handled =
pika_cell_renderer_viewable_pre_clicked (clicked_cell,
path_str,
bevent->state);
if (! handled && ! multisel_mode && ! modifiers)
{
if (! tree_view->priv->editing_path &&
(bevent->type == GDK_BUTTON_RELEASE ||
! pika_container_view_is_item_selected (container_view, renderer->viewable)))
/* If we click on currently selected item,
* handle simple click on release only for it
* to not change a multi-selection in case this
* click becomes a drag'n drop action.
*/
handled =
pika_container_view_item_selected (container_view,
renderer->viewable);
}
/* Multi selection will be handled by pika_container_tree_view_selection_changed() */
g_free (path_str);
}
/* a callback invoked by selecting the item may have
* destroyed us, so check if the container is still there
*/
if (pika_container_view_get_container (container_view))
{
/* another row may have been set by selecting */
gtk_tree_view_column_cell_set_cell_data (column,
tree_view->model,
&iter,
FALSE, FALSE);
if (bevent->type == GDK_BUTTON_PRESS &&
(toggled_cell || clicked_cell))
{
gchar *path_str = gtk_tree_path_to_string (path);
if (toggled_cell)
{
if (PIKA_IS_CELL_RENDERER_TOGGLE (toggled_cell))
{
pika_cell_renderer_toggle_clicked (PIKA_CELL_RENDERER_TOGGLE (toggled_cell),
path_str,
bevent->state);
}
else if (PIKA_IS_CELL_RENDERER_BUTTON (toggled_cell))
{
pika_cell_renderer_button_clicked (PIKA_CELL_RENDERER_BUTTON (toggled_cell),
path_str,
bevent->state);
}
}
else if (clicked_cell)
{
pika_cell_renderer_viewable_clicked (clicked_cell,
path_str,
bevent->state);
}
g_free (path_str);
}
}
}
else if (bevent->type == GDK_2BUTTON_PRESS)
{
gboolean success = TRUE;
/* don't select item if a toggle was clicked */
if (bevent->type == GDK_BUTTON_RELEASE && ! toggled_cell)
success = pika_container_view_item_selected (container_view,
renderer->viewable);
if (success)
{
if (edit_cell)
{
if (pika_viewable_is_name_editable (renderer->viewable))
{
gtk_tree_view_set_cursor_on_cell (tree_view->view,
path,
column, edit_cell,
TRUE);
}
else
{
gtk_widget_error_bell (widget);
}
}
else if (! toggled_cell &&
! (bevent->state & pika_get_all_modifiers_mask ()))
{
/* Only activate if we're not in a toggled cell
* and no modifier keys are pressed
*/
pika_container_view_item_activated (container_view,
renderer->viewable);
}
}
}
}
else if (bevent->button == 2)
{
if (bevent->type == GDK_BUTTON_PRESS)
{
if (clicked_cell)
{
gchar *path_str = gtk_tree_path_to_string (path);
pika_cell_renderer_viewable_clicked (clicked_cell,
path_str,
bevent->state);
g_free (path_str);
}
}
}
g_object_unref (tree_view);
gtk_tree_path_free (path);
g_object_unref (renderer);
handled = (multisel_mode ? handled : (bevent->type == GDK_BUTTON_RELEASE ? FALSE : TRUE));
}
else
{
if (gdk_event_triggers_context_menu ((GdkEvent *) bevent))
{
pika_editor_popup_menu_at_pointer (PIKA_EDITOR (tree_view), (GdkEvent *) bevent);
}
handled = TRUE;
}
if (handled && bevent->type == GDK_BUTTON_PRESS && ! gtk_widget_has_focus (widget) &&
! toggled_cell && ! clicked_cell)
gtk_widget_grab_focus (widget);
return handled;
}
/* We want to zoom on each 1/4 scroll events to roughly match zooming
* behavior of the main canvas. Each step of PIKA_VIEW_SIZE_* is
* approximately of sqrt(2) = 1.4 relative change. The main canvas
* on the other hand has zoom step equal to ZOOM_MIN_STEP=1.1
* (see pika_zoom_model_zoom_step).
*/
#define SCROLL_ZOOM_STEP_SIZE 0.25
static gboolean
pika_container_tree_view_scroll (GtkWidget *widget,
GdkEventScroll *event,
PikaContainerTreeView *tree_view)
{
PikaContainerView *view;
gint view_border_width;
gint view_size;
if ((event->state & GDK_CONTROL_MASK) == 0)
return FALSE;
if (event->direction == GDK_SCROLL_UP)
tree_view->priv->zoom_accumulated_scroll_delta -= SCROLL_ZOOM_STEP_SIZE;
else if (event->direction == GDK_SCROLL_DOWN)
tree_view->priv->zoom_accumulated_scroll_delta += SCROLL_ZOOM_STEP_SIZE;
else if (event->direction == GDK_SCROLL_SMOOTH)
tree_view->priv->zoom_accumulated_scroll_delta += event->delta_y * SCROLL_ZOOM_STEP_SIZE;
else
return FALSE;
view = PIKA_CONTAINER_VIEW (tree_view);
view_size = pika_container_view_get_view_size (view, &view_border_width);
if (tree_view->priv->zoom_accumulated_scroll_delta > 1)
{
tree_view->priv->zoom_accumulated_scroll_delta -= 1;
view_size = pika_view_size_get_smaller (view_size);
}
else if (tree_view->priv->zoom_accumulated_scroll_delta < -1)
{
tree_view->priv->zoom_accumulated_scroll_delta += 1;
view_size = pika_view_size_get_larger (view_size);
}
else
return TRUE;
pika_container_view_set_view_size (view, view_size, view_border_width);
return TRUE;
}
static gboolean
pika_container_tree_view_tooltip (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_tip,
GtkTooltip *tooltip,
PikaContainerTreeView *tree_view)
{
PikaViewRenderer *renderer;
GtkTreeIter iter;
GtkTreePath *path;
gboolean show_tip = FALSE;
if (! gtk_tree_view_get_tooltip_context (GTK_TREE_VIEW (widget), &x, &y,
keyboard_tip,
NULL, &path, &iter))
return FALSE;
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (tree_view->model), &iter);
if (renderer)
{
gchar *desc;
gchar *tip;
desc = pika_viewable_get_description (renderer->viewable, &tip);
if (tip)
{
gtk_tooltip_set_text (tooltip, tip);
gtk_tree_view_set_tooltip_row (GTK_TREE_VIEW (widget), tooltip, path);
show_tip = TRUE;
g_free (tip);
}
g_free (desc);
g_object_unref (renderer);
}
gtk_tree_path_free (path);
return show_tip;
}
static PikaViewable *
pika_container_tree_view_drag_viewable (GtkWidget *widget,
PikaContext **context,
gpointer data)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (data);
if (context)
*context = pika_container_view_get_context (PIKA_CONTAINER_VIEW (data));
if (tree_view->priv->dnd_renderer)
return tree_view->priv->dnd_renderer->viewable;
return NULL;
}
static GList *
pika_container_tree_view_drag_viewable_list (GtkWidget *widget,
PikaContext **context,
gpointer data)
{
GList *items = NULL;
if (context)
*context = pika_container_view_get_context (PIKA_CONTAINER_VIEW (data));
pika_container_tree_view_get_selected (PIKA_CONTAINER_VIEW (data), &items, NULL);
return items;
}
static GdkPixbuf *
pika_container_tree_view_drag_pixbuf (GtkWidget *widget,
gpointer data)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (data);
PikaViewRenderer *renderer = tree_view->priv->dnd_renderer;
gint width;
gint height;
if (renderer && pika_viewable_get_size (renderer->viewable, &width, &height))
return pika_viewable_get_new_pixbuf (renderer->viewable,
renderer->context,
width, height);
return NULL;
}
#define ZOOM_GESTURE_STEP_SIZE 1.2
static void
pika_container_tree_view_zoom_gesture_begin (GtkGestureZoom *gesture,
GdkEventSequence *sequence,
PikaContainerTreeView *tree_view)
{
tree_view->priv->zoom_gesture_last_set_value = gtk_gesture_zoom_get_scale_delta (gesture);
}
static void
pika_container_tree_view_zoom_gesture_update (GtkGestureZoom *gesture,
GdkEventSequence *sequence,
PikaContainerTreeView *tree_view)
{
gdouble current_scale;
gdouble last_set_value = tree_view->priv->zoom_gesture_last_set_value;
gdouble min_value_for_increase = last_set_value * ZOOM_GESTURE_STEP_SIZE;
gdouble max_value_for_decrease = last_set_value / ZOOM_GESTURE_STEP_SIZE;
PikaContainerView *view;
gint view_border_width;
gint view_size;
view = PIKA_CONTAINER_VIEW (tree_view);
view_size = pika_container_view_get_view_size (view, &view_border_width);
current_scale = gtk_gesture_zoom_get_scale_delta (gesture);
if (current_scale > min_value_for_increase)
{
last_set_value = min_value_for_increase;
view_size = pika_view_size_get_larger (view_size);
}
else if (current_scale < max_value_for_decrease)
{
last_set_value = max_value_for_decrease;
view_size = pika_view_size_get_smaller (view_size);
}
else
return;
tree_view->priv->zoom_gesture_last_set_value = last_set_value;
pika_container_view_set_view_size (view, view_size, view_border_width);
}
static gboolean
pika_container_tree_view_get_selected_single (PikaContainerTreeView *tree_view,
GtkTreeIter *iter)
{
GtkTreeSelection *selection;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view->view));
if (gtk_tree_selection_count_selected_rows (selection) == 1)
{
GList *selected_rows;
selected_rows = gtk_tree_selection_get_selected_rows (selection, NULL);
gtk_tree_model_get_iter (GTK_TREE_MODEL (tree_view->model), iter,
(GtkTreePath *) selected_rows->data);
g_list_free_full (selected_rows, (GDestroyNotify) gtk_tree_path_free);
return TRUE;
}
else
{
return FALSE;
}
}
static gint
pika_container_tree_view_get_selected (PikaContainerView *view,
GList **items,
GList **paths)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
GtkTreeSelection *selection;
gint selected_count;
GList *selected_paths;
GList *removed_paths = NULL;
GList *current_row;
GtkTreeIter iter;
PikaViewRenderer *renderer;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view->view));
selected_count = gtk_tree_selection_count_selected_rows (selection);
if (items == NULL)
{
if (paths)
*paths = NULL;
/* just provide selected count */
return selected_count;
}
selected_paths = gtk_tree_selection_get_selected_rows (selection, NULL);
*items = NULL;
for (current_row = selected_paths;
current_row;
current_row = g_list_next (current_row))
{
gtk_tree_model_get_iter (GTK_TREE_MODEL (tree_view->model), &iter,
(GtkTreePath *) current_row->data);
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (tree_view->model),
&iter);
if (renderer->viewable)
*items = g_list_prepend (*items, renderer->viewable);
else
/* Remove from the selected_paths list but at the end, in order not
* to break the for loop.
*/
removed_paths = g_list_prepend (removed_paths, current_row);
g_object_unref (renderer);
}
*items = g_list_reverse (*items);
for (current_row = removed_paths; current_row; current_row = current_row->next)
{
GList *remove_list = current_row->data;
selected_paths = g_list_remove_link (selected_paths, remove_list);
gtk_tree_path_free (remove_list->data);
}
g_list_free_full (removed_paths, (GDestroyNotify) g_list_free);
if (paths)
*paths = selected_paths;
else
g_list_free_full (selected_paths, (GDestroyNotify) gtk_tree_path_free);
return selected_count;
}
static void
pika_container_tree_view_row_expanded (GtkTreeView *tree_view,
GtkTreeIter *iter,
GtkTreePath *path,
PikaContainerTreeView *view)
{
PikaViewRenderer *renderer;
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (view->model),
iter);
if (renderer)
{
gboolean expanded = gtk_tree_view_row_expanded (tree_view, path);
pika_viewable_set_expanded (renderer->viewable,
expanded);
if (expanded)
{
g_signal_handlers_block_by_func (tree_view,
pika_container_tree_view_row_expanded,
view);
pika_container_tree_view_expand_rows (view->model, tree_view, iter);
g_signal_handlers_unblock_by_func (tree_view,
pika_container_tree_view_row_expanded,
view);
}
g_object_unref (renderer);
}
}
static void
pika_container_tree_view_expand_rows (GtkTreeModel *model,
GtkTreeView *view,
GtkTreeIter *parent)
{
GtkTreeIter iter;
if (gtk_tree_model_iter_children (model, &iter, parent))
do
if (gtk_tree_model_iter_has_child (model, &iter))
{
PikaViewRenderer *renderer;
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (model),
&iter);
if (renderer)
{
GtkTreePath *path = gtk_tree_model_get_path (model, &iter);
if (pika_viewable_get_expanded (renderer->viewable))
gtk_tree_view_expand_row (view, path, FALSE);
else
gtk_tree_view_collapse_row (view, path);
gtk_tree_path_free (path);
g_object_unref (renderer);
}
pika_container_tree_view_expand_rows (model, view, &iter);
}
while (gtk_tree_model_iter_next (model, &iter));
}
static gboolean
pika_container_tree_view_monitor_changed_foreach (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer data)
{
PikaViewRenderer *renderer;
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (model),
iter);
if (renderer)
{
pika_view_renderer_free_color_transform (renderer);
g_object_unref (renderer);
}
return FALSE;
}
static void
pika_container_tree_view_monitor_changed (PikaContainerTreeView *view)
{
gtk_tree_model_foreach (view->model,
pika_container_tree_view_monitor_changed_foreach,
NULL);
}
typedef struct
{
PikaViewable *viewable;
GtkTreePath *path;
} SearchData;
static gboolean
pika_container_tree_view_search_path_foreach (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer data)
{
SearchData *search_data = data;
PikaViewRenderer *renderer;
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (model),
iter);
if (renderer->viewable == search_data->viewable)
search_data->path = gtk_tree_path_copy (path);
g_object_unref (renderer);
return (search_data->path != NULL);
}
static GtkTreePath *
pika_container_tree_view_get_path (PikaContainerTreeView *tree_view,
PikaViewable *viewable)
{
SearchData search_data;
search_data.viewable = viewable;
search_data.path = NULL;
gtk_tree_model_foreach (GTK_TREE_MODEL (tree_view->model),
(GtkTreeModelForeachFunc) pika_container_tree_view_search_path_foreach,
&search_data);
return search_data.path;
}
Reference in New Issue View Git Blame Copy Permalink