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gimp/app/widgets/gimpcontainerpopup.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpcontainerpopup.c
* Copyright (C) 2003 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpcontext.h"
#include "core/gimpcontainer.h"
#include "core/gimpmarshal.h"
#include "core/gimpviewable.h"
#include "gimpcontainereditor.h"
#include "gimpcontainerpopup.h"
#include "gimpcontainergridview.h"
#include "gimpcontainertreeview.h"
#include "gimpdialogfactory.h"
#include "gimppreviewrenderer.h"
#include "gimp-intl.h"
enum
{
CANCEL,
CONFIRM,
LAST_SIGNAL
};
static void gimp_container_popup_class_init (GimpContainerPopupClass *klass);
static void gimp_container_popup_init (GimpContainerPopup *view);
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);
static GtkWindowClass *parent_class = NULL;
static guint popup_signals[LAST_SIGNAL];
GType
gimp_container_popup_get_type (void)
{
static GType popup_type = 0;
if (! popup_type)
{
static const GTypeInfo popup_info =
{
sizeof (GimpContainerPopupClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gimp_container_popup_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpContainerPopup),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_container_popup_init,
};
popup_type = g_type_register_static (GTK_TYPE_WINDOW,
"GimpContainerPopup",
&popup_info, 0);
}
return popup_type;
}
static void
gimp_container_popup_class_init (GimpContainerPopupClass *klass)
{
GObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkBindingSet *binding_set;
object_class = G_OBJECT_CLASS (klass);
widget_class = GTK_WIDGET_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
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_Escape, 0,
"cancel", 0);
gtk_binding_entry_add_signal (binding_set, GDK_Return, 0,
"confirm", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KP_Enter, 0,
"confirm", 0);
gtk_binding_entry_add_signal (binding_set, GDK_space, 0,
"confirm", 0);
}
static void
gimp_container_popup_init (GimpContainerPopup *popup)
{
popup->view_type = GIMP_VIEW_TYPE_LIST;
popup->default_preview_size = GIMP_PREVIEW_SIZE_SMALL;
popup->preview_size = GIMP_PREVIEW_SIZE_SMALL;
popup->preview_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_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 (widget->window, TRUE,
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK,
NULL, NULL, GDK_CURRENT_TIME) == 0)
{
if (gdk_keyboard_grab (widget->window, TRUE, GDK_CURRENT_TIME) == 0)
{
gtk_grab_add (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)
{
GimpContainerPopup *popup;
GtkWidget *event_widget;
gboolean cancel = FALSE;
popup = GIMP_CONTAINER_POPUP (widget);
event_widget = gtk_get_event_widget ((GdkEvent *) bevent);
if (event_widget == widget)
{
/* 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 > widget->allocation.width ||
bevent->y > widget->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,
popup->container->children_type);
gimp_context_set_by_type (popup->orig_context,
popup->container->children_type,
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_preview_size,
gint preview_size,
gint preview_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_preview_size > 0 &&
default_preview_size <= GIMP_VIEWABLE_MAX_POPUP_SIZE,
NULL);
g_return_val_if_fail (preview_size > 0 &&
preview_size <= GIMP_VIEWABLE_MAX_POPUP_SIZE, NULL);
g_return_val_if_fail (preview_border_width >= 0 &&
preview_border_width <= GIMP_PREVIEW_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_preview_size = default_preview_size;
popup->preview_size = preview_size;
popup->preview_border_width = preview_border_width;
g_signal_connect (popup->context,
gimp_context_type_to_signal_name (container->children_type),
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;
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);
gdk_window_get_origin (widget->window, &orig_x, &orig_y);
if (GTK_WIDGET_NO_WINDOW (widget))
{
orig_x += widget->allocation.x;
orig_y += widget->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 + widget->allocation.width - requisition.width;
if (x < rect.x)
x -= widget->allocation.width - requisition.width;
}
else
{
x = orig_x;
if (x + requisition.width > rect.x + rect.width)
x += widget->allocation.width - requisition.width;
}
y = orig_y + widget->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));
}
static void
gimp_container_popup_create_view (GimpContainerPopup *popup)
{
GimpEditor *editor;
GtkWidget *button;
popup->editor = g_object_new (GIMP_TYPE_CONTAINER_EDITOR, NULL);
gimp_container_editor_construct (popup->editor,
popup->view_type,
popup->container,
popup->context,
popup->preview_size,
popup->preview_border_width,
FALSE, /* reorderable */
NULL, NULL);
gimp_container_view_set_size_request (GIMP_CONTAINER_VIEW (GIMP_CONTAINER_EDITOR (popup->editor)->view),
6 * (popup->default_preview_size +
2 * popup->preview_border_width),
10 * (popup->default_preview_size +
2 * popup->preview_border_width));
if (GIMP_IS_CONTAINER_GRID_VIEW (popup->editor->view))
gtk_widget_hide (GIMP_CONTAINER_GRID_VIEW (popup->editor->view)->name_label);
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 preview_size;
preview_size = MAX (GIMP_PREVIEW_SIZE_TINY,
popup->editor->view->preview_size * 0.8);
if (preview_size != popup->preview_size)
{
popup->preview_size = preview_size;
gimp_container_view_set_preview_size (popup->editor->view,
popup->preview_size,
popup->preview_border_width);
}
}
static void
gimp_container_popup_larger_clicked (GtkWidget *button,
GimpContainerPopup *popup)
{
gint preview_size;
preview_size = MIN (GIMP_PREVIEW_SIZE_HUGE,
popup->editor->view->preview_size * 1.2);
if (preview_size != popup->preview_size)
{
popup->preview_size = preview_size;
gimp_container_view_set_preview_size (popup->editor->view,
popup->preview_size,
popup->preview_border_width);
}
}
static void
gimp_container_popup_view_type_toggled (GtkWidget *button,
GimpContainerPopup *popup)
{
if (GTK_TOGGLE_BUTTON (button)->active)
{
GimpViewType view_type;
view_type = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (button),
"gimp-item-data"));
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);
}
}
}
static void
gimp_container_popup_dialog_clicked (GtkWidget *button,
GimpContainerPopup *popup)
{
gimp_dialog_factory_dialog_raise (popup->dialog_factory,
gtk_widget_get_screen (button),
popup->dialog_identifier, -1);
g_signal_emit (popup, popup_signals[CONFIRM], 0);
}
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