PIKApp/app/widgets/pikacontainerpopup.c

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2023-09-26 00:35:21 +02:00
/* 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
*
* pikacontainerpopup.c
* Copyright (C) 2003-2014 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 "libpikawidgets/pikawidgets.h"
#include "widgets-types.h"
#include "core/pika.h"
#include "core/pikacontext.h"
#include "core/pikacontainer.h"
#include "core/pikaviewable.h"
#include "pikacontainerbox.h"
#include "pikacontainereditor.h"
#include "pikacontainerpopup.h"
#include "pikacontainertreeview.h"
#include "pikacontainerview.h"
#include "pikadialogfactory.h"
#include "pikaviewrenderer.h"
#include "pikawidgets-utils.h"
#include "pikawindowstrategy.h"
#include "pika-intl.h"
static void pika_container_popup_finalize (GObject *object);
static void pika_container_popup_confirm (PikaPopup *popup);
static void pika_container_popup_create_view (PikaContainerPopup *popup);
static void pika_container_popup_smaller_clicked (GtkWidget *button,
PikaContainerPopup *popup);
static void pika_container_popup_larger_clicked (GtkWidget *button,
PikaContainerPopup *popup);
static void pika_container_popup_view_type_toggled(GtkWidget *button,
PikaContainerPopup *popup);
static void pika_container_popup_dialog_clicked (GtkWidget *button,
PikaContainerPopup *popup);
static void pika_container_popup_context_changed (PikaContext *context,
PikaViewable *viewable,
PikaContainerPopup *popup);
G_DEFINE_TYPE (PikaContainerPopup, pika_container_popup, PIKA_TYPE_POPUP)
#define parent_class pika_container_popup_parent_class
static void
pika_container_popup_class_init (PikaContainerPopupClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
PikaPopupClass *popup_class = PIKA_POPUP_CLASS (klass);
object_class->finalize = pika_container_popup_finalize;
popup_class->confirm = pika_container_popup_confirm;
}
static void
pika_container_popup_init (PikaContainerPopup *popup)
{
popup->view_type = PIKA_VIEW_TYPE_LIST;
popup->default_view_size = PIKA_VIEW_SIZE_SMALL;
popup->view_size = PIKA_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
pika_container_popup_finalize (GObject *object)
{
PikaContainerPopup *popup = PIKA_CONTAINER_POPUP (object);
g_clear_object (&popup->context);
g_clear_pointer (&popup->dialog_identifier, g_free);
g_clear_pointer (&popup->dialog_icon_name, g_free);
g_clear_pointer (&popup->dialog_tooltip, g_free);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
pika_container_popup_confirm (PikaPopup *popup)
{
PikaContainerPopup *c_popup = PIKA_CONTAINER_POPUP (popup);
PikaObject *object;
object = pika_context_get_by_type (c_popup->context,
pika_container_get_children_type (c_popup->container));
pika_context_set_by_type (c_popup->orig_context,
pika_container_get_children_type (c_popup->container),
object);
PIKA_POPUP_CLASS (parent_class)->confirm (popup);
}
GtkWidget *
pika_container_popup_new (PikaContainer *container,
PikaContext *context,
PikaViewType view_type,
gint default_view_size,
gint view_size,
gint view_border_width,
PikaDialogFactory *dialog_factory,
const gchar *dialog_identifier,
const gchar *dialog_icon_name,
const gchar *dialog_tooltip)
{
PikaContainerPopup *popup;
g_return_val_if_fail (PIKA_IS_CONTAINER (container), NULL);
g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
g_return_val_if_fail (default_view_size > 0 &&
default_view_size <= PIKA_VIEWABLE_MAX_POPUP_SIZE,
NULL);
g_return_val_if_fail (view_size > 0 &&
view_size <= PIKA_VIEWABLE_MAX_POPUP_SIZE, NULL);
g_return_val_if_fail (view_border_width >= 0 &&
view_border_width <= PIKA_VIEW_MAX_BORDER_WIDTH,
NULL);
g_return_val_if_fail (dialog_factory == NULL ||
PIKA_IS_DIALOG_FACTORY (dialog_factory), NULL);
if (dialog_factory)
{
g_return_val_if_fail (dialog_identifier != NULL, NULL);
g_return_val_if_fail (dialog_icon_name != NULL, NULL);
g_return_val_if_fail (dialog_tooltip != NULL, NULL);
}
popup = g_object_new (PIKA_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 = pika_context_new (context->pika, "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,
pika_context_type_to_signal_name (pika_container_get_children_type (container)),
G_CALLBACK (pika_container_popup_context_changed),
popup);
if (dialog_factory)
{
popup->dialog_factory = dialog_factory;
popup->dialog_identifier = g_strdup (dialog_identifier);
popup->dialog_icon_name = g_strdup (dialog_icon_name);
popup->dialog_tooltip = g_strdup (dialog_tooltip);
}
pika_container_popup_create_view (popup);
return GTK_WIDGET (popup);
}
PikaViewType
pika_container_popup_get_view_type (PikaContainerPopup *popup)
{
g_return_val_if_fail (PIKA_IS_CONTAINER_POPUP (popup), PIKA_VIEW_TYPE_LIST);
return popup->view_type;
}
void
pika_container_popup_set_view_type (PikaContainerPopup *popup,
PikaViewType view_type)
{
g_return_if_fail (PIKA_IS_CONTAINER_POPUP (popup));
if (view_type != popup->view_type)
{
popup->view_type = view_type;
gtk_widget_destroy (GTK_WIDGET (popup->editor));
pika_container_popup_create_view (popup);
}
}
gint
pika_container_popup_get_view_size (PikaContainerPopup *popup)
{
g_return_val_if_fail (PIKA_IS_CONTAINER_POPUP (popup), PIKA_VIEW_SIZE_SMALL);
return popup->view_size;
}
void
pika_container_popup_set_view_size (PikaContainerPopup *popup,
gint view_size)
{
GtkWidget *scrolled_win;
GtkWidget *viewport;
GtkAllocation allocation;
g_return_if_fail (PIKA_IS_CONTAINER_POPUP (popup));
scrolled_win = PIKA_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, PIKA_VIEW_SIZE_TINY,
MIN (PIKA_VIEW_SIZE_GIGANTIC,
allocation.width - 2 * popup->view_border_width));
if (view_size != popup->view_size)
{
popup->view_size = view_size;
pika_container_view_set_view_size (popup->editor->view,
popup->view_size,
popup->view_border_width);
}
}
/* private functions */
static void
pika_container_popup_create_view (PikaContainerPopup *popup)
{
PikaEditor *editor;
GtkWidget *button;
const gchar *signal_name;
GType children_type;
gint rows;
gint columns;
popup->editor = g_object_new (PIKA_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);
pika_container_view_set_reorderable (PIKA_CONTAINER_VIEW (popup->editor->view),
FALSE);
if (popup->view_type == PIKA_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 (PIKA_CONTAINER_TREE_VIEW (PIKA_CONTAINER_VIEW (popup->editor->view))->view),
GTK_ENTRY (search_entry));
gtk_widget_show (search_entry);
}
/* lame workaround for bug #761998 */
if (popup->default_view_size >= PIKA_VIEW_SIZE_LARGE)
{
rows = 6;
columns = 6;
}
else
{
rows = 10;
columns = 6;
}
pika_container_box_set_size_request (PIKA_CONTAINER_BOX (popup->editor->view),
columns * (popup->default_view_size +
2 * popup->view_border_width),
rows * (popup->default_view_size +
2 * popup->view_border_width));
if (PIKA_IS_EDITOR (popup->editor->view))
pika_editor_set_show_name (PIKA_EDITOR (popup->editor->view), FALSE);
gtk_container_add (GTK_CONTAINER (popup->frame), GTK_WIDGET (popup->editor));
gtk_widget_show (GTK_WIDGET (popup->editor));
editor = PIKA_EDITOR (popup->editor->view);
pika_editor_add_button (editor, "zoom-out",
_("Smaller Previews"), NULL,
G_CALLBACK (pika_container_popup_smaller_clicked),
NULL,
G_OBJECT (popup));
pika_editor_add_button (editor, "zoom-in",
_("Larger Previews"), NULL,
G_CALLBACK (pika_container_popup_larger_clicked),
NULL,
G_OBJECT (popup));
button = pika_editor_add_icon_box (editor, PIKA_TYPE_VIEW_TYPE, "pika",
G_CALLBACK (pika_container_popup_view_type_toggled),
popup);
pika_int_radio_group_set_active (GTK_RADIO_BUTTON (button), popup->view_type);
if (popup->dialog_factory)
pika_editor_add_button (editor, popup->dialog_icon_name,
popup->dialog_tooltip, NULL,
G_CALLBACK (pika_container_popup_dialog_clicked),
NULL,
G_OBJECT (popup));
gtk_widget_grab_focus (GTK_WIDGET (popup->editor));
/* Special-casing the object types managed by the context to make sure
* the right items are selected when opening the popup.
*/
children_type = pika_container_get_children_type (popup->container);
signal_name = pika_context_type_to_signal_name (children_type);
if (signal_name)
{
PikaObject *object;
GList *items = NULL;
object = pika_context_get_by_type (popup->orig_context, children_type);
if (object)
items = g_list_prepend (NULL, object);
pika_container_view_select_items (popup->editor->view, items);
g_list_free (items);
}
}
static void
pika_container_popup_smaller_clicked (GtkWidget *button,
PikaContainerPopup *popup)
{
gint view_size;
view_size = pika_container_view_get_view_size (popup->editor->view, NULL);
pika_container_popup_set_view_size (popup, view_size * 0.8);
}
static void
pika_container_popup_larger_clicked (GtkWidget *button,
PikaContainerPopup *popup)
{
gint view_size;
view_size = pika_container_view_get_view_size (popup->editor->view, NULL);
pika_container_popup_set_view_size (popup, view_size * 1.2);
}
static void
pika_container_popup_view_type_toggled (GtkWidget *button,
PikaContainerPopup *popup)
{
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)))
{
PikaViewType view_type;
view_type = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (button),
"pika-item-data"));
pika_container_popup_set_view_type (popup, view_type);
}
}
static void
pika_container_popup_dialog_clicked (GtkWidget *button,
PikaContainerPopup *popup)
{
pika_window_strategy_show_dockable_dialog (PIKA_WINDOW_STRATEGY (pika_get_window_strategy (popup->context->pika)),
popup->context->pika,
popup->dialog_factory,
pika_widget_get_monitor (button),
popup->dialog_identifier);
g_signal_emit_by_name (popup, "cancel");
}
static void
pika_container_popup_context_changed (PikaContext *context,
PikaViewable *viewable,
PikaContainerPopup *popup)
{
GdkEvent *current_event;
GtkWidget *current_widget = GTK_WIDGET (popup);
gboolean confirm = FALSE;
current_event = gtk_get_current_event ();
if (current_event && gtk_widget_get_window (current_widget))
{
GdkWindow *event_window = gdk_window_get_effective_toplevel (((GdkEventAny *) current_event)->window);
GdkWindow *popup_window = gdk_window_get_effective_toplevel (gtk_widget_get_window (current_widget));
/* We need to differentiate a context change as a consequence of
* an event on another widget.
*/
if ((((GdkEventAny *) current_event)->type == GDK_BUTTON_PRESS ||
((GdkEventAny *) current_event)->type == GDK_BUTTON_RELEASE) &&
event_window == popup_window)
confirm = TRUE;
gdk_event_free (current_event);
}
if (confirm)
g_signal_emit_by_name (popup, "confirm");
}