summaryrefslogtreecommitdiffstats
path: root/app/widgets/gimpcontainergridview.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--app/widgets/gimpcontainergridview.c742
1 files changed, 742 insertions, 0 deletions
diff --git a/app/widgets/gimpcontainergridview.c b/app/widgets/gimpcontainergridview.c
new file mode 100644
index 0000000..0f12698
--- /dev/null
+++ b/app/widgets/gimpcontainergridview.c
@@ -0,0 +1,742 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpcontainergridview.c
+ * Copyright (C) 2001-2004 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 <gegl.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+
+#include "libgimpcolor/gimpcolor.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimpcontainer.h"
+#include "core/gimpcontext.h"
+#include "core/gimpmarshal.h"
+#include "core/gimpviewable.h"
+
+#include "gimpcontainergridview.h"
+#include "gimpcontainerview.h"
+#include "gimpview.h"
+#include "gimpviewrenderer.h"
+#include "gimpwidgets-utils.h"
+#include "gtkhwrapbox.h"
+
+#include "gimp-intl.h"
+
+
+enum
+{
+ MOVE_CURSOR,
+ LAST_SIGNAL
+};
+
+
+static void gimp_container_grid_view_view_iface_init (GimpContainerViewInterface *iface);
+
+static gboolean gimp_container_grid_view_move_cursor (GimpContainerGridView *view,
+ GtkMovementStep step,
+ gint count);
+static gboolean gimp_container_grid_view_focus (GtkWidget *widget,
+ GtkDirectionType direction);
+static gboolean gimp_container_grid_view_popup_menu (GtkWidget *widget);
+
+static void gimp_container_grid_view_set_context (GimpContainerView *view,
+ GimpContext *context);
+static gpointer gimp_container_grid_view_insert_item (GimpContainerView *view,
+ GimpViewable *viewable,
+ gpointer parent_insert_data,
+ gint index);
+static void gimp_container_grid_view_remove_item (GimpContainerView *view,
+ GimpViewable *viewable,
+ gpointer insert_data);
+static void gimp_container_grid_view_reorder_item (GimpContainerView *view,
+ GimpViewable *viewable,
+ gint new_index,
+ gpointer insert_data);
+static void gimp_container_grid_view_rename_item (GimpContainerView *view,
+ GimpViewable *viewable,
+ gpointer insert_data);
+static gboolean gimp_container_grid_view_select_item (GimpContainerView *view,
+ GimpViewable *viewable,
+ gpointer insert_data);
+static void gimp_container_grid_view_clear_items (GimpContainerView *view);
+static void gimp_container_grid_view_set_view_size (GimpContainerView *view);
+
+static gboolean gimp_container_grid_view_item_selected(GtkWidget *widget,
+ GdkEventButton *bevent,
+ gpointer data);
+static void gimp_container_grid_view_item_activated (GtkWidget *widget,
+ gpointer data);
+static void gimp_container_grid_view_item_context (GtkWidget *widget,
+ gpointer data);
+static void gimp_container_grid_view_highlight_item (GimpContainerView *view,
+ GimpViewable *viewable,
+ gpointer insert_data);
+
+static void gimp_container_grid_view_viewport_resized (GtkWidget *widget,
+ GtkAllocation *allocation,
+ GimpContainerGridView *view);
+static gboolean gimp_container_grid_view_button_press (GtkWidget *widget,
+ GdkEventButton *bevent,
+ GimpContainerGridView *view);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpContainerGridView, gimp_container_grid_view,
+ GIMP_TYPE_CONTAINER_BOX,
+ G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW,
+ gimp_container_grid_view_view_iface_init))
+
+#define parent_class gimp_container_grid_view_parent_class
+
+static GimpContainerViewInterface *parent_view_iface = NULL;
+
+static guint grid_view_signals[LAST_SIGNAL] = { 0 };
+
+static GimpRGB white_color;
+static GimpRGB black_color;
+
+
+static void
+gimp_container_grid_view_class_init (GimpContainerGridViewClass *klass)
+{
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+ GtkBindingSet *binding_set;
+
+ binding_set = gtk_binding_set_by_class (klass);
+
+ widget_class->focus = gimp_container_grid_view_focus;
+ widget_class->popup_menu = gimp_container_grid_view_popup_menu;
+
+ klass->move_cursor = gimp_container_grid_view_move_cursor;
+
+ grid_view_signals[MOVE_CURSOR] =
+ g_signal_new ("move-cursor",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (GimpContainerGridViewClass, move_cursor),
+ NULL, NULL,
+ gimp_marshal_BOOLEAN__ENUM_INT,
+ G_TYPE_BOOLEAN, 2,
+ GTK_TYPE_MOVEMENT_STEP,
+ G_TYPE_INT);
+
+ gtk_binding_entry_add_signal (binding_set, GDK_KEY_Home, 0,
+ "move-cursor", 2,
+ G_TYPE_ENUM, GTK_MOVEMENT_BUFFER_ENDS,
+ G_TYPE_INT, -1);
+ gtk_binding_entry_add_signal (binding_set, GDK_KEY_End, 0,
+ "move-cursor", 2,
+ G_TYPE_ENUM, GTK_MOVEMENT_BUFFER_ENDS,
+ G_TYPE_INT, 1);
+ gtk_binding_entry_add_signal (binding_set, GDK_KEY_Page_Up, 0,
+ "move-cursor", 2,
+ G_TYPE_ENUM, GTK_MOVEMENT_PAGES,
+ G_TYPE_INT, -1);
+ gtk_binding_entry_add_signal (binding_set, GDK_KEY_Page_Down, 0,
+ "move-cursor", 2,
+ G_TYPE_ENUM, GTK_MOVEMENT_PAGES,
+ G_TYPE_INT, 1);
+
+ gimp_rgba_set (&white_color, 1.0, 1.0, 1.0, 1.0);
+ gimp_rgba_set (&black_color, 0.0, 0.0, 0.0, 1.0);
+}
+
+static void
+gimp_container_grid_view_view_iface_init (GimpContainerViewInterface *iface)
+{
+ parent_view_iface = g_type_interface_peek_parent (iface);
+
+ iface->set_context = gimp_container_grid_view_set_context;
+ iface->insert_item = gimp_container_grid_view_insert_item;
+ iface->remove_item = gimp_container_grid_view_remove_item;
+ iface->reorder_item = gimp_container_grid_view_reorder_item;
+ iface->rename_item = gimp_container_grid_view_rename_item;
+ iface->select_item = gimp_container_grid_view_select_item;
+ iface->clear_items = gimp_container_grid_view_clear_items;
+ iface->set_view_size = gimp_container_grid_view_set_view_size;
+}
+
+static void
+gimp_container_grid_view_init (GimpContainerGridView *grid_view)
+{
+ GimpContainerBox *box = GIMP_CONTAINER_BOX (grid_view);
+ GtkWidget *viewport;
+
+ grid_view->rows = 1;
+ grid_view->columns = 1;
+ grid_view->visible_rows = 0;
+ grid_view->selected_item = NULL;
+
+ 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_NEVER, GTK_POLICY_ALWAYS);
+
+ gimp_editor_set_show_name (GIMP_EDITOR (grid_view), TRUE);
+
+ viewport = gtk_viewport_new (NULL, NULL);
+ gtk_viewport_set_shadow_type (GTK_VIEWPORT (viewport), GTK_SHADOW_NONE);
+ gtk_container_add (GTK_CONTAINER (box->scrolled_win), viewport);
+ gtk_widget_show (viewport);
+
+ grid_view->wrap_box = gtk_hwrap_box_new (FALSE);
+ /* set a silly small and random size request so it doesn't initially
+ * request too much and breaks dock geometry deserialization
+ */
+ gtk_widget_set_size_request (grid_view->wrap_box, 16, 16);
+ gtk_container_add (GTK_CONTAINER (viewport), grid_view->wrap_box);
+ gtk_widget_show (grid_view->wrap_box);
+
+ g_signal_connect (viewport, "size-allocate",
+ G_CALLBACK (gimp_container_grid_view_viewport_resized),
+ grid_view);
+ g_signal_connect (viewport, "button-press-event",
+ G_CALLBACK (gimp_container_grid_view_button_press),
+ grid_view);
+
+ gtk_widget_set_can_focus (GTK_WIDGET (grid_view), TRUE);
+}
+
+GtkWidget *
+gimp_container_grid_view_new (GimpContainer *container,
+ GimpContext *context,
+ gint view_size,
+ gint view_border_width)
+{
+ GimpContainerGridView *grid_view;
+ GimpContainerView *view;
+
+ g_return_val_if_fail (container == NULL || GIMP_IS_CONTAINER (container),
+ NULL);
+ g_return_val_if_fail (context == NULL || GIMP_IS_CONTEXT (context), NULL);
+ g_return_val_if_fail (view_size > 0 &&
+ view_size <= GIMP_VIEWABLE_MAX_PREVIEW_SIZE, NULL);
+ g_return_val_if_fail (view_border_width >= 0 &&
+ view_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH,
+ NULL);
+
+ grid_view = g_object_new (GIMP_TYPE_CONTAINER_GRID_VIEW, NULL);
+
+ view = GIMP_CONTAINER_VIEW (grid_view);
+
+ gimp_container_view_set_view_size (view, view_size, view_border_width);
+
+ if (container)
+ gimp_container_view_set_container (view, container);
+
+ if (context)
+ gimp_container_view_set_context (view, context);
+
+ return GTK_WIDGET (grid_view);
+}
+
+static gboolean
+gimp_container_grid_view_move_by (GimpContainerGridView *grid_view,
+ gint x,
+ gint y)
+{
+ GimpContainerView *view = GIMP_CONTAINER_VIEW (grid_view);
+ GimpContainer *container;
+ GimpViewable *item;
+ gint index;
+
+ if (! grid_view->selected_item)
+ return FALSE;
+
+ container = gimp_container_view_get_container (view);
+
+ item = grid_view->selected_item->viewable;
+
+ index = gimp_container_get_child_index (container, GIMP_OBJECT (item));
+
+ index += x;
+ index = CLAMP (index, 0, gimp_container_get_n_children (container) - 1);
+
+ index += y * grid_view->columns;
+ while (index < 0)
+ index += grid_view->columns;
+ while (index >= gimp_container_get_n_children (container))
+ index -= grid_view->columns;
+
+ item = (GimpViewable *) gimp_container_get_child_by_index (container, index);
+ if (item)
+ gimp_container_view_item_selected (GIMP_CONTAINER_VIEW (view), item);
+
+ return TRUE;
+}
+
+static gboolean
+gimp_container_grid_view_move_cursor (GimpContainerGridView *grid_view,
+ GtkMovementStep step,
+ gint count)
+{
+ GimpContainerView *view = GIMP_CONTAINER_VIEW (grid_view);
+ GimpContainer *container;
+ GimpViewable *item;
+
+ if (! gtk_widget_has_focus (GTK_WIDGET (grid_view)) || count == 0)
+ return FALSE;
+
+ container = gimp_container_view_get_container (view);
+
+ switch (step)
+ {
+ case GTK_MOVEMENT_PAGES:
+ return gimp_container_grid_view_move_by (grid_view, 0,
+ count * grid_view->visible_rows);
+
+ case GTK_MOVEMENT_BUFFER_ENDS:
+ count = count < 0 ? 0 : gimp_container_get_n_children (container) - 1;
+
+ item = (GimpViewable *) gimp_container_get_child_by_index (container,
+ count);
+ if (item)
+ gimp_container_view_item_selected (view, item);
+
+ return TRUE;
+
+ default:
+ break;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+gimp_container_grid_view_focus (GtkWidget *widget,
+ GtkDirectionType direction)
+{
+ GimpContainerGridView *view = GIMP_CONTAINER_GRID_VIEW (widget);
+
+ if (gtk_widget_get_can_focus (widget) && ! gtk_widget_has_focus (widget))
+ {
+ gtk_widget_grab_focus (GTK_WIDGET (widget));
+ return TRUE;
+ }
+
+ switch (direction)
+ {
+ case GTK_DIR_UP:
+ return gimp_container_grid_view_move_by (view, 0, -1);
+ case GTK_DIR_DOWN:
+ return gimp_container_grid_view_move_by (view, 0, 1);
+ case GTK_DIR_LEFT:
+ return gimp_container_grid_view_move_by (view, -1, 0);
+ case GTK_DIR_RIGHT:
+ return gimp_container_grid_view_move_by (view, 1, 0);
+
+ case GTK_DIR_TAB_FORWARD:
+ case GTK_DIR_TAB_BACKWARD:
+ break;
+ }
+
+ return FALSE;
+}
+
+static void
+gimp_container_grid_view_menu_position (GtkMenu *menu,
+ gint *x,
+ gint *y,
+ gpointer data)
+{
+ GimpContainerGridView *grid_view = GIMP_CONTAINER_GRID_VIEW (data);
+ GtkWidget *widget;
+ GtkAllocation allocation;
+
+ if (grid_view->selected_item)
+ widget = GTK_WIDGET (grid_view->selected_item);
+ else
+ widget = GTK_WIDGET (grid_view->wrap_box);
+
+ gtk_widget_get_allocation (widget, &allocation);
+
+ gdk_window_get_origin (gtk_widget_get_window (widget), x, y);
+
+ if (! gtk_widget_get_has_window (widget))
+ {
+ *x += allocation.x;
+ *y += allocation.y;
+ }
+
+ if (grid_view->selected_item)
+ {
+ *x += allocation.width / 2;
+ *y += allocation.height / 2;
+ }
+ else
+ {
+ GtkStyle *style = gtk_widget_get_style (widget);
+
+ *x += style->xthickness;
+ *y += style->ythickness;
+ }
+
+ gimp_menu_position (menu, x, y);
+}
+
+static gboolean
+gimp_container_grid_view_popup_menu (GtkWidget *widget)
+{
+ GimpContainerGridView *grid_view = GIMP_CONTAINER_GRID_VIEW (widget);
+
+ return gimp_editor_popup_menu (GIMP_EDITOR (widget),
+ gimp_container_grid_view_menu_position,
+ grid_view);
+}
+
+static void
+gimp_container_grid_view_set_context (GimpContainerView *view,
+ GimpContext *context)
+{
+ GimpContainerGridView *grid_view = GIMP_CONTAINER_GRID_VIEW (view);
+ GtkWrapBoxChild *child;
+
+ parent_view_iface->set_context (view, context);
+
+ for (child = GTK_WRAP_BOX (grid_view->wrap_box)->children;
+ child;
+ child = child->next)
+ {
+ GimpView *view = GIMP_VIEW (child->widget);
+
+ gimp_view_renderer_set_context (view->renderer, context);
+ }
+}
+
+static gpointer
+gimp_container_grid_view_insert_item (GimpContainerView *container_view,
+ GimpViewable *viewable,
+ gpointer parent_insert_data,
+ gint index)
+{
+ GimpContainerGridView *grid_view = GIMP_CONTAINER_GRID_VIEW (container_view);
+ GtkWidget *view;
+ gint view_size;
+
+ view_size = gimp_container_view_get_view_size (container_view, NULL);
+
+ view = gimp_view_new_full (gimp_container_view_get_context (container_view),
+ viewable,
+ view_size, view_size, 1,
+ FALSE, TRUE, TRUE);
+ gimp_view_renderer_set_border_type (GIMP_VIEW (view)->renderer,
+ GIMP_VIEW_BORDER_WHITE);
+ gimp_view_renderer_remove_idle (GIMP_VIEW (view)->renderer);
+
+ gtk_wrap_box_pack (GTK_WRAP_BOX (grid_view->wrap_box), view,
+ FALSE, FALSE, FALSE, FALSE);
+
+ if (index != -1)
+ gtk_wrap_box_reorder_child (GTK_WRAP_BOX (grid_view->wrap_box),
+ view, index);
+
+ gtk_widget_show (view);
+
+ g_signal_connect (view, "button-press-event",
+ G_CALLBACK (gimp_container_grid_view_item_selected),
+ container_view);
+ g_signal_connect (view, "double-clicked",
+ G_CALLBACK (gimp_container_grid_view_item_activated),
+ container_view);
+ g_signal_connect (view, "context",
+ G_CALLBACK (gimp_container_grid_view_item_context),
+ container_view);
+
+ return (gpointer) view;
+}
+
+static void
+gimp_container_grid_view_remove_item (GimpContainerView *container_view,
+ GimpViewable *viewable,
+ gpointer insert_data)
+{
+ GimpContainerGridView *grid_view = GIMP_CONTAINER_GRID_VIEW (container_view);
+ GtkWidget *view = GTK_WIDGET (insert_data);
+
+ if (view == (GtkWidget *) grid_view->selected_item)
+ grid_view->selected_item = NULL;
+
+ gtk_widget_destroy (view);
+}
+
+static void
+gimp_container_grid_view_reorder_item (GimpContainerView *container_view,
+ GimpViewable *viewable,
+ gint new_index,
+ gpointer insert_data)
+{
+ GimpContainerGridView *grid_view = GIMP_CONTAINER_GRID_VIEW (container_view);
+ GtkWidget *view = GTK_WIDGET (insert_data);
+
+ gtk_wrap_box_reorder_child (GTK_WRAP_BOX (grid_view->wrap_box),
+ view, new_index);
+}
+
+static void
+gimp_container_grid_view_rename_item (GimpContainerView *container_view,
+ GimpViewable *viewable,
+ gpointer insert_data)
+{
+ GimpContainerGridView *grid_view = GIMP_CONTAINER_GRID_VIEW (container_view);
+ GtkWidget *view = GTK_WIDGET (insert_data);
+
+ if (view == (GtkWidget *) grid_view->selected_item)
+ {
+ gchar *name = gimp_viewable_get_description (viewable, NULL);
+
+ gimp_editor_set_name (GIMP_EDITOR (container_view), name);
+ g_free (name);
+ }
+}
+
+static gboolean
+gimp_container_grid_view_select_item (GimpContainerView *view,
+ GimpViewable *viewable,
+ gpointer insert_data)
+{
+ gimp_container_grid_view_highlight_item (view, viewable, insert_data);
+
+ return TRUE;
+}
+
+static void
+gimp_container_grid_view_clear_items (GimpContainerView *view)
+{
+ GimpContainerGridView *grid_view = GIMP_CONTAINER_GRID_VIEW (view);
+
+ grid_view->selected_item = NULL;
+
+ while (GTK_WRAP_BOX (grid_view->wrap_box)->children)
+ gtk_widget_destroy (GTK_WRAP_BOX (grid_view->wrap_box)->children->widget);
+
+ parent_view_iface->clear_items (view);
+}
+
+static void
+gimp_container_grid_view_set_view_size (GimpContainerView *view)
+{
+ GimpContainerGridView *grid_view = GIMP_CONTAINER_GRID_VIEW (view);
+ GtkWrapBoxChild *child;
+ gint view_size;
+
+ view_size = gimp_container_view_get_view_size (view, NULL);
+
+ for (child = GTK_WRAP_BOX (grid_view->wrap_box)->children;
+ child;
+ child = child->next)
+ {
+ GimpView *view = GIMP_VIEW (child->widget);
+
+ gimp_view_renderer_set_size (view->renderer,
+ view_size,
+ view->renderer->border_width);
+ }
+
+ gtk_widget_queue_resize (grid_view->wrap_box);
+}
+
+static gboolean
+gimp_container_grid_view_item_selected (GtkWidget *widget,
+ GdkEventButton *bevent,
+ gpointer data)
+{
+ if (bevent->type == GDK_BUTTON_PRESS && bevent->button == 1)
+ {
+ if (gtk_widget_get_can_focus (data) && ! gtk_widget_has_focus (data))
+ gtk_widget_grab_focus (GTK_WIDGET (data));
+
+ gimp_container_view_item_selected (GIMP_CONTAINER_VIEW (data),
+ GIMP_VIEW (widget)->viewable);
+ }
+
+ return FALSE;
+}
+
+static void
+gimp_container_grid_view_item_activated (GtkWidget *widget,
+ gpointer data)
+{
+ gimp_container_view_item_activated (GIMP_CONTAINER_VIEW (data),
+ GIMP_VIEW (widget)->viewable);
+}
+
+static void
+gimp_container_grid_view_item_context (GtkWidget *widget,
+ gpointer data)
+{
+ /* ref the view because calling gimp_container_view_item_selected()
+ * may destroy the widget
+ */
+ g_object_ref (data);
+
+ if (gimp_container_view_item_selected (GIMP_CONTAINER_VIEW (data),
+ GIMP_VIEW (widget)->viewable))
+ {
+ gimp_container_view_item_context (GIMP_CONTAINER_VIEW (data),
+ GIMP_VIEW (widget)->viewable);
+ }
+
+ g_object_unref (data);
+}
+
+static void
+gimp_container_grid_view_highlight_item (GimpContainerView *container_view,
+ GimpViewable *viewable,
+ gpointer insert_data)
+{
+ GimpContainerGridView *grid_view = GIMP_CONTAINER_GRID_VIEW (container_view);
+ GimpContainerBox *box = GIMP_CONTAINER_BOX (container_view);
+ GimpContainer *container;
+ GimpView *view = NULL;
+
+ container = gimp_container_view_get_container (container_view);
+
+ if (insert_data)
+ view = GIMP_VIEW (insert_data);
+
+ if (grid_view->selected_item && grid_view->selected_item != view)
+ {
+ gimp_view_renderer_set_border_type (grid_view->selected_item->renderer,
+ GIMP_VIEW_BORDER_WHITE);
+ gimp_view_renderer_update (grid_view->selected_item->renderer);
+ }
+
+ if (view)
+ {
+ GtkRequisition view_requisition;
+ GtkAdjustment *adj;
+ gint item_height;
+ gint index;
+ gint row;
+ gchar *name;
+
+ adj = gtk_scrolled_window_get_vadjustment
+ (GTK_SCROLLED_WINDOW (box->scrolled_win));
+
+ gtk_widget_size_request (GTK_WIDGET (view), &view_requisition);
+
+ item_height = view_requisition.height;
+
+ index = gimp_container_get_child_index (container,
+ GIMP_OBJECT (viewable));
+
+ row = index / grid_view->columns;
+
+ if (row * item_height < gtk_adjustment_get_value (adj))
+ {
+ gtk_adjustment_set_value (adj, row * item_height);
+ }
+ else if ((row + 1) * item_height > (gtk_adjustment_get_value (adj) +
+ gtk_adjustment_get_page_size (adj)))
+ {
+ gtk_adjustment_set_value (adj,
+ (row + 1) * item_height -
+ gtk_adjustment_get_page_size (adj));
+ }
+
+ gimp_view_renderer_set_border_type (view->renderer,
+ GIMP_VIEW_BORDER_BLACK);
+ gimp_view_renderer_update (view->renderer);
+
+ name = gimp_viewable_get_description (view->renderer->viewable, NULL);
+ gimp_editor_set_name (GIMP_EDITOR (grid_view), name);
+ g_free (name);
+ }
+ else
+ {
+ gimp_editor_set_name (GIMP_EDITOR (grid_view), NULL);
+ }
+
+ grid_view->selected_item = view;
+}
+
+static void
+gimp_container_grid_view_viewport_resized (GtkWidget *widget,
+ GtkAllocation *allocation,
+ GimpContainerGridView *grid_view)
+{
+ GimpContainerView *container_view = GIMP_CONTAINER_VIEW (grid_view);
+
+ if (gimp_container_view_get_container (container_view))
+ {
+ GList *children;
+ gint n_children;
+
+ children = gtk_container_get_children (GTK_CONTAINER (grid_view->wrap_box));
+ n_children = g_list_length (children);
+
+ if (children)
+ {
+ GtkRequisition view_requisition;
+ gint columns;
+ gint rows;
+
+ gtk_widget_size_request (GTK_WIDGET (children->data),
+ &view_requisition);
+
+ g_list_free (children);
+
+ columns = MAX (1, allocation->width / view_requisition.width);
+
+ rows = n_children / columns;
+
+ if (n_children % columns)
+ rows++;
+
+ if ((rows != grid_view->rows) || (columns != grid_view->columns))
+ {
+ grid_view->rows = rows;
+ grid_view->columns = columns;
+
+ gtk_widget_set_size_request (grid_view->wrap_box,
+ view_requisition.width,
+ rows * view_requisition.height);
+ }
+
+ grid_view->visible_rows = (allocation->height /
+ view_requisition.height);
+ }
+
+ if (grid_view->selected_item)
+ {
+ GimpView *view = grid_view->selected_item;
+
+ gimp_container_grid_view_highlight_item (container_view,
+ view->viewable,
+ view);
+ }
+ }
+}
+
+static gboolean
+gimp_container_grid_view_button_press (GtkWidget *widget,
+ GdkEventButton *bevent,
+ GimpContainerGridView *grid_view)
+{
+ if (gdk_event_triggers_context_menu ((GdkEvent *) bevent))
+ {
+ gimp_editor_popup_menu (GIMP_EDITOR (grid_view), NULL, NULL);
+ }
+
+ return TRUE;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 03:43:38 +0000