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gimp/app/widgets/gimpcontainerpopup.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpcontainerpopup.c
* Copyright (C) 2003-2005 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpcontainer.h"
#include "core/gimpmarshal.h"
#include "core/gimpviewable.h"
#include "gimpcontainerbox.h"
#include "gimpcontainereditor.h"
#include "gimpcontainerpopup.h"
#include "gimpcontainertreeview.h"
#include "gimpcontainerview.h"
#include "gimpdialogfactory.h"
#include "gimpviewrenderer.h"
#include "gimpwindowstrategy.h"
#include "gimp-intl.h"
enum
{
CANCEL,
CONFIRM,
LAST_SIGNAL
};
static void gimp_container_popup_finalize (GObject *object);
static void gimp_container_popup_map (GtkWidget *widget);
static gboolean gimp_container_popup_button_press (GtkWidget *widget,
GdkEventButton *bevent);
static gboolean gimp_container_popup_key_press (GtkWidget *widget,
GdkEventKey *kevent);
static void gimp_container_popup_real_cancel (GimpContainerPopup *popup);
static void gimp_container_popup_real_confirm (GimpContainerPopup *popup);
static void gimp_container_popup_create_view (GimpContainerPopup *popup);
static void gimp_container_popup_smaller_clicked (GtkWidget *button,
GimpContainerPopup *popup);
static void gimp_container_popup_larger_clicked (GtkWidget *button,
GimpContainerPopup *popup);
static void gimp_container_popup_view_type_toggled(GtkWidget *button,
GimpContainerPopup *popup);
static void gimp_container_popup_dialog_clicked (GtkWidget *button,
GimpContainerPopup *popup);
G_DEFINE_TYPE (GimpContainerPopup, gimp_container_popup, GTK_TYPE_WINDOW)
#define parent_class gimp_container_popup_parent_class
static guint popup_signals[LAST_SIGNAL];
static void
gimp_container_popup_class_init (GimpContainerPopupClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkBindingSet *binding_set;
popup_signals[CANCEL] =
g_signal_new ("cancel",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GimpContainerPopupClass, cancel),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
popup_signals[CONFIRM] =
g_signal_new ("confirm",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GimpContainerPopupClass, confirm),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
object_class->finalize = gimp_container_popup_finalize;
widget_class->map = gimp_container_popup_map;
widget_class->button_press_event = gimp_container_popup_button_press;
widget_class->key_press_event = gimp_container_popup_key_press;
klass->cancel = gimp_container_popup_real_cancel;
klass->confirm = gimp_container_popup_real_confirm;
binding_set = gtk_binding_set_by_class (klass);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_Escape, 0,
"cancel", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_Return, 0,
"confirm", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Enter, 0,
"confirm", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_ISO_Enter, 0,
"confirm", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_space, 0,
"confirm", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Space, 0,
"confirm", 0);
}
static void
gimp_container_popup_init (GimpContainerPopup *popup)
{
popup->view_type = GIMP_VIEW_TYPE_LIST;
popup->default_view_size = GIMP_VIEW_SIZE_SMALL;
popup->view_size = GIMP_VIEW_SIZE_SMALL;
popup->view_border_width = 1;
popup->frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (popup->frame), GTK_SHADOW_OUT);
gtk_container_add (GTK_CONTAINER (popup), popup->frame);
gtk_widget_show (popup->frame);
}
static void
gimp_container_popup_finalize (GObject *object)
{
GimpContainerPopup *popup = GIMP_CONTAINER_POPUP (object);
if (popup->context)
{
g_object_unref (popup->context);
popup->context = NULL;
}
if (popup->dialog_identifier)
{
g_free (popup->dialog_identifier);
popup->dialog_identifier = NULL;
}
if (popup->dialog_stock_id)
{
g_free (popup->dialog_stock_id);
popup->dialog_stock_id = NULL;
}
if (popup->dialog_tooltip)
{
g_free (popup->dialog_tooltip);
popup->dialog_tooltip = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_container_popup_grab_notify (GtkWidget *widget,
gboolean was_grabbed)
{
if (was_grabbed)
return;
/* ignore grabs on one of our children, like the scrollbar */
if (gtk_widget_is_ancestor (gtk_grab_get_current (), widget))
return;
g_signal_emit (widget, popup_signals[CANCEL], 0);
}
static gboolean
gimp_container_popup_grab_broken_event (GtkWidget *widget,
GdkEventGrabBroken *event)
{
gimp_container_popup_grab_notify (widget, FALSE);
return FALSE;
}
static void
gimp_container_popup_map (GtkWidget *widget)
{
GTK_WIDGET_CLASS (parent_class)->map (widget);
/* grab with owner_events == TRUE so the popup's widgets can
* receive events. we filter away events outside this toplevel
* away in button_press()
*/
if (gdk_pointer_grab (gtk_widget_get_window (widget), TRUE,
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK,
NULL, NULL, GDK_CURRENT_TIME) == 0)
{
if (gdk_keyboard_grab (gtk_widget_get_window (widget), TRUE,
GDK_CURRENT_TIME) == 0)
{
gtk_grab_add (widget);
g_signal_connect (widget, "grab-notify",
G_CALLBACK (gimp_container_popup_grab_notify),
widget);
g_signal_connect (widget, "grab-broken-event",
G_CALLBACK (gimp_container_popup_grab_broken_event),
widget);
return;
}
else
{
gdk_display_pointer_ungrab (gtk_widget_get_display (widget),
GDK_CURRENT_TIME);
}
}
/* if we could not grab, destroy the popup instead of leaving it
* around uncloseable.
*/
g_signal_emit (widget, popup_signals[CANCEL], 0);
}
static gboolean
gimp_container_popup_button_press (GtkWidget *widget,
GdkEventButton *bevent)
{
GtkWidget *event_widget;
gboolean cancel = FALSE;
event_widget = gtk_get_event_widget ((GdkEvent *) bevent);
if (event_widget == widget)
{
GtkAllocation allocation;
gtk_widget_get_allocation (widget, &allocation);
/* the event was on the popup, which can either be really on the
* popup or outside gimp (owner_events == TRUE, see map())
*/
if (bevent->x < 0 ||
bevent->y < 0 ||
bevent->x > allocation.width ||
bevent->y > allocation.height)
{
/* the event was outsde gimp */
cancel = TRUE;
}
}
else if (gtk_widget_get_toplevel (event_widget) != widget)
{
/* the event was on a gimp widget, but not inside the popup */
cancel = TRUE;
}
if (cancel)
g_signal_emit (widget, popup_signals[CANCEL], 0);
return cancel;
}
static gboolean
gimp_container_popup_key_press (GtkWidget *widget,
GdkEventKey *kevent)
{
GtkBindingSet *binding_set;
binding_set =
gtk_binding_set_by_class (GIMP_CONTAINER_POPUP_GET_CLASS (widget));
/* invoke the popup's binding entries manually, because otherwise
* the focus widget (GtkTreeView e.g.) would consume it
*/
if (gtk_binding_set_activate (binding_set,
kevent->keyval,
kevent->state,
GTK_OBJECT (widget)))
{
return TRUE;
}
return GTK_WIDGET_CLASS (parent_class)->key_press_event (widget, kevent);
}
static void
gimp_container_popup_real_cancel (GimpContainerPopup *popup)
{
GtkWidget *widget = GTK_WIDGET (popup);
if (gtk_grab_get_current () == widget)
gtk_grab_remove (widget);
gtk_widget_destroy (widget);
}
static void
gimp_container_popup_real_confirm (GimpContainerPopup *popup)
{
GtkWidget *widget = GTK_WIDGET (popup);
GimpObject *object;
object = gimp_context_get_by_type (popup->context,
gimp_container_get_children_type (popup->container));
gimp_context_set_by_type (popup->orig_context,
gimp_container_get_children_type (popup->container),
object);
if (gtk_grab_get_current () == widget)
gtk_grab_remove (widget);
gtk_widget_destroy (widget);
}
static void
gimp_container_popup_context_changed (GimpContext *context,
GimpViewable *viewable,
GimpContainerPopup *popup)
{
GdkEvent *current_event;
gboolean confirm = FALSE;
current_event = gtk_get_current_event ();
if (current_event)
{
if (((GdkEventAny *) current_event)->type == GDK_BUTTON_PRESS ||
((GdkEventAny *) current_event)->type == GDK_BUTTON_RELEASE)
confirm = TRUE;
gdk_event_free (current_event);
}
if (confirm)
g_signal_emit (popup, popup_signals[CONFIRM], 0);
}
GtkWidget *
gimp_container_popup_new (GimpContainer *container,
GimpContext *context,
GimpViewType view_type,
gint default_view_size,
gint view_size,
gint view_border_width,
GimpDialogFactory *dialog_factory,
const gchar *dialog_identifier,
const gchar *dialog_stock_id,
const gchar *dialog_tooltip)
{
GimpContainerPopup *popup;
g_return_val_if_fail (GIMP_IS_CONTAINER (container), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (default_view_size > 0 &&
default_view_size <= GIMP_VIEWABLE_MAX_POPUP_SIZE,
NULL);
g_return_val_if_fail (view_size > 0 &&
view_size <= GIMP_VIEWABLE_MAX_POPUP_SIZE, NULL);
g_return_val_if_fail (view_border_width >= 0 &&
view_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH,
NULL);
g_return_val_if_fail (dialog_factory == NULL ||
GIMP_IS_DIALOG_FACTORY (dialog_factory), NULL);
if (dialog_factory)
{
g_return_val_if_fail (dialog_identifier != NULL, NULL);
g_return_val_if_fail (dialog_stock_id != NULL, NULL);
g_return_val_if_fail (dialog_tooltip != NULL, NULL);
}
popup = g_object_new (GIMP_TYPE_CONTAINER_POPUP,
"type", GTK_WINDOW_POPUP,
NULL);
gtk_window_set_resizable (GTK_WINDOW (popup), FALSE);
popup->container = container;
popup->orig_context = context;
popup->context = gimp_context_new (context->gimp, "popup", context);
popup->view_type = view_type;
popup->default_view_size = default_view_size;
popup->view_size = view_size;
popup->view_border_width = view_border_width;
g_signal_connect (popup->context,
gimp_context_type_to_signal_name (gimp_container_get_children_type (container)),
G_CALLBACK (gimp_container_popup_context_changed),
popup);
if (dialog_factory)
{
popup->dialog_factory = dialog_factory;
popup->dialog_identifier = g_strdup (dialog_identifier);
popup->dialog_stock_id = g_strdup (dialog_stock_id);
popup->dialog_tooltip = g_strdup (dialog_tooltip);
}
gimp_container_popup_create_view (popup);
return GTK_WIDGET (popup);
}
void
gimp_container_popup_show (GimpContainerPopup *popup,
GtkWidget *widget)
{
GdkScreen *screen;
GtkRequisition requisition;
GtkAllocation allocation;
GdkRectangle rect;
gint monitor;
gint orig_x;
gint orig_y;
gint x;
gint y;
g_return_if_fail (GIMP_IS_CONTAINER_POPUP (popup));
g_return_if_fail (GTK_IS_WIDGET (widget));
gtk_widget_size_request (GTK_WIDGET (popup), &requisition);
gtk_widget_get_allocation (widget, &allocation);
gdk_window_get_origin (gtk_widget_get_window (widget), &orig_x, &orig_y);
if (! gtk_widget_get_has_window (widget))
{
orig_x += allocation.x;
orig_y += allocation.y;
}
screen = gtk_widget_get_screen (widget);
monitor = gdk_screen_get_monitor_at_point (screen, orig_x, orig_y);
gdk_screen_get_monitor_geometry (screen, monitor, &rect);
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
{
x = orig_x + allocation.width - requisition.width;
if (x < rect.x)
x -= allocation.width - requisition.width;
}
else
{
x = orig_x;
if (x + requisition.width > rect.x + rect.width)
x += allocation.width - requisition.width;
}
y = orig_y + allocation.height;
if (y + requisition.height > rect.y + rect.height)
y = orig_y - requisition.height;
gtk_window_move (GTK_WINDOW (popup), x, y);
gtk_widget_show (GTK_WIDGET (popup));
}
GimpViewType
gimp_container_popup_get_view_type (GimpContainerPopup *popup)
{
g_return_val_if_fail (GIMP_IS_CONTAINER_POPUP (popup), GIMP_VIEW_TYPE_LIST);
return popup->view_type;
}
void
gimp_container_popup_set_view_type (GimpContainerPopup *popup,
GimpViewType view_type)
{
g_return_if_fail (GIMP_IS_CONTAINER_POPUP (popup));
if (view_type != popup->view_type)
{
popup->view_type = view_type;
gtk_container_remove (GTK_CONTAINER (popup->frame),
GTK_WIDGET (popup->editor));
gimp_container_popup_create_view (popup);
}
}
gint
gimp_container_popup_get_view_size (GimpContainerPopup *popup)
{
g_return_val_if_fail (GIMP_IS_CONTAINER_POPUP (popup), GIMP_VIEW_SIZE_SMALL);
return popup->view_size;
}
void
gimp_container_popup_set_view_size (GimpContainerPopup *popup,
gint view_size)
{
GtkWidget *scrolled_win;
GtkWidget *viewport;
GtkAllocation allocation;
g_return_if_fail (GIMP_IS_CONTAINER_POPUP (popup));
scrolled_win = GIMP_CONTAINER_BOX (popup->editor->view)->scrolled_win;
viewport = gtk_bin_get_child (GTK_BIN (scrolled_win));
gtk_widget_get_allocation (viewport, &allocation);
view_size = CLAMP (view_size, GIMP_VIEW_SIZE_TINY,
MIN (GIMP_VIEW_SIZE_GIGANTIC,
allocation.width - 2 * popup->view_border_width));
if (view_size != popup->view_size)
{
popup->view_size = view_size;
gimp_container_view_set_view_size (popup->editor->view,
popup->view_size,
popup->view_border_width);
}
}
/* private functions */
static void
gimp_container_popup_create_view (GimpContainerPopup *popup)
{
GimpEditor *editor;
GtkWidget *button;
popup->editor = g_object_new (GIMP_TYPE_CONTAINER_EDITOR,
"view-type", popup->view_type,
"container", popup->container,
"context", popup->context,
"view-size", popup->view_size,
"view-border-width", popup->view_border_width,
NULL);
gimp_container_view_set_reorderable (GIMP_CONTAINER_VIEW (popup->editor->view),
FALSE);
if (popup->view_type == GIMP_VIEW_TYPE_LIST)
{
GtkWidget *search_entry;
search_entry = gtk_entry_new ();
gtk_box_pack_end (GTK_BOX (popup->editor->view), search_entry,
FALSE, FALSE, 0);
gtk_tree_view_set_search_entry (GTK_TREE_VIEW (GIMP_CONTAINER_TREE_VIEW (GIMP_CONTAINER_VIEW (popup->editor->view))->view),
GTK_ENTRY (search_entry));
gtk_widget_show (search_entry);
}
gimp_container_box_set_size_request (GIMP_CONTAINER_BOX (popup->editor->view),
6 * (popup->default_view_size +
2 * popup->view_border_width),
10 * (popup->default_view_size +
2 * popup->view_border_width));
if (GIMP_IS_EDITOR (popup->editor->view))
gimp_editor_set_show_name (GIMP_EDITOR (popup->editor->view), FALSE);
gtk_container_add (GTK_CONTAINER (popup->frame), GTK_WIDGET (popup->editor));
gtk_widget_show (GTK_WIDGET (popup->editor));
editor = GIMP_EDITOR (popup->editor->view);
gimp_editor_add_button (editor, GTK_STOCK_ZOOM_OUT,
_("Smaller Previews"), NULL,
G_CALLBACK (gimp_container_popup_smaller_clicked),
NULL,
popup);
gimp_editor_add_button (editor, GTK_STOCK_ZOOM_IN,
_("Larger Previews"), NULL,
G_CALLBACK (gimp_container_popup_larger_clicked),
NULL,
popup);
button = gimp_editor_add_stock_box (editor, GIMP_TYPE_VIEW_TYPE, "gimp",
G_CALLBACK (gimp_container_popup_view_type_toggled),
popup);
gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (button), popup->view_type);
if (popup->dialog_factory)
gimp_editor_add_button (editor, popup->dialog_stock_id,
popup->dialog_tooltip, NULL,
G_CALLBACK (gimp_container_popup_dialog_clicked),
NULL,
popup);
gtk_widget_grab_focus (GTK_WIDGET (popup->editor));
}
static void
gimp_container_popup_smaller_clicked (GtkWidget *button,
GimpContainerPopup *popup)
{
gint view_size;
view_size = gimp_container_view_get_view_size (popup->editor->view, NULL);
gimp_container_popup_set_view_size (popup, view_size * 0.8);
}
static void
gimp_container_popup_larger_clicked (GtkWidget *button,
GimpContainerPopup *popup)
{
gint view_size;
view_size = gimp_container_view_get_view_size (popup->editor->view, NULL);
gimp_container_popup_set_view_size (popup, view_size * 1.2);
}
static void
gimp_container_popup_view_type_toggled (GtkWidget *button,
GimpContainerPopup *popup)
{
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)))
{
GimpViewType view_type;
view_type = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (button),
"gimp-item-data"));
gimp_container_popup_set_view_type (popup, view_type);
}
}
static void
gimp_container_popup_dialog_clicked (GtkWidget *button,
GimpContainerPopup *popup)
{
gimp_window_strategy_show_dockable_dialog (GIMP_WINDOW_STRATEGY (gimp_get_window_strategy (popup->context->gimp)),
popup->context->gimp,
popup->dialog_factory,
gtk_widget_get_screen (button),
popup->dialog_identifier);
g_signal_emit (popup, popup_signals[CONFIRM], 0);
}
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