250 lines
8.0 KiB
C
250 lines
8.0 KiB
C
/* 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
|
|
*
|
|
* pikaview-popup.c
|
|
* Copyright (C) 2003-2006 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 "libpikawidgets/pikawidgets.h"
|
|
|
|
#include "widgets-types.h"
|
|
|
|
#include "core/pikacontext.h"
|
|
#include "core/pikaviewable.h"
|
|
|
|
#include "pikaview.h"
|
|
#include "pikaviewrenderer.h"
|
|
#include "pikaview-popup.h"
|
|
|
|
|
|
#define VIEW_POPUP_DELAY 150
|
|
|
|
|
|
typedef struct _PikaViewPopup PikaViewPopup;
|
|
|
|
struct _PikaViewPopup
|
|
{
|
|
GtkWidget *widget;
|
|
PikaContext *context;
|
|
PikaViewable *viewable;
|
|
|
|
gint popup_width;
|
|
gint popup_height;
|
|
gboolean dot_for_dot;
|
|
gint button;
|
|
gint button_x;
|
|
gint button_y;
|
|
|
|
guint timeout_id;
|
|
GtkWidget *popup;
|
|
};
|
|
|
|
|
|
/* local function prototypes */
|
|
|
|
static void pika_view_popup_hide (PikaViewPopup *popup);
|
|
static gboolean pika_view_popup_button_release (GtkWidget *widget,
|
|
GdkEventButton *bevent,
|
|
PikaViewPopup *popup);
|
|
static void pika_view_popup_unmap (GtkWidget *widget,
|
|
PikaViewPopup *popup);
|
|
static void pika_view_popup_drag_begin (GtkWidget *widget,
|
|
GdkDragContext *context,
|
|
PikaViewPopup *popup);
|
|
static gboolean pika_view_popup_timeout (PikaViewPopup *popup);
|
|
|
|
|
|
/* public functions */
|
|
|
|
gboolean
|
|
pika_view_popup_show (GtkWidget *widget,
|
|
GdkEventButton *bevent,
|
|
PikaContext *context,
|
|
PikaViewable *viewable,
|
|
gint view_width,
|
|
gint view_height,
|
|
gboolean dot_for_dot)
|
|
{
|
|
PikaViewPopup *popup;
|
|
gint popup_width;
|
|
gint popup_height;
|
|
|
|
g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
|
|
g_return_val_if_fail (bevent != NULL, FALSE);
|
|
g_return_val_if_fail (context == NULL || PIKA_IS_CONTEXT (context), FALSE);
|
|
g_return_val_if_fail (PIKA_IS_VIEWABLE (viewable), FALSE);
|
|
|
|
if (! pika_viewable_get_popup_size (viewable,
|
|
view_width,
|
|
view_height,
|
|
dot_for_dot,
|
|
&popup_width,
|
|
&popup_height))
|
|
return FALSE;
|
|
|
|
popup = g_slice_new0 (PikaViewPopup);
|
|
|
|
popup->widget = widget;
|
|
popup->context = context;
|
|
popup->viewable = viewable;
|
|
popup->popup_width = popup_width;
|
|
popup->popup_height = popup_height;
|
|
popup->dot_for_dot = dot_for_dot;
|
|
popup->button = bevent->button;
|
|
popup->button_x = bevent->x_root;
|
|
popup->button_y = bevent->y_root;
|
|
|
|
g_signal_connect (widget, "button-release-event",
|
|
G_CALLBACK (pika_view_popup_button_release),
|
|
popup);
|
|
g_signal_connect (widget, "unmap",
|
|
G_CALLBACK (pika_view_popup_unmap),
|
|
popup);
|
|
g_signal_connect (widget, "drag-begin",
|
|
G_CALLBACK (pika_view_popup_drag_begin),
|
|
popup);
|
|
|
|
popup->timeout_id = g_timeout_add (VIEW_POPUP_DELAY,
|
|
(GSourceFunc) pika_view_popup_timeout,
|
|
popup);
|
|
|
|
g_object_set_data_full (G_OBJECT (widget), "pika-view-popup", popup,
|
|
(GDestroyNotify) pika_view_popup_hide);
|
|
|
|
gtk_grab_add (widget);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/* private functions */
|
|
|
|
static void
|
|
pika_view_popup_hide (PikaViewPopup *popup)
|
|
{
|
|
if (popup->timeout_id)
|
|
g_source_remove (popup->timeout_id);
|
|
|
|
if (popup->popup)
|
|
gtk_widget_destroy (popup->popup);
|
|
|
|
g_signal_handlers_disconnect_by_func (popup->widget,
|
|
pika_view_popup_button_release,
|
|
popup);
|
|
g_signal_handlers_disconnect_by_func (popup->widget,
|
|
pika_view_popup_unmap,
|
|
popup);
|
|
g_signal_handlers_disconnect_by_func (popup->widget,
|
|
pika_view_popup_drag_begin,
|
|
popup);
|
|
|
|
gtk_grab_remove (popup->widget);
|
|
|
|
g_slice_free (PikaViewPopup, popup);
|
|
}
|
|
|
|
static gboolean
|
|
pika_view_popup_button_release (GtkWidget *widget,
|
|
GdkEventButton *bevent,
|
|
PikaViewPopup *popup)
|
|
{
|
|
if (bevent->button == popup->button)
|
|
g_object_set_data (G_OBJECT (popup->widget), "pika-view-popup", NULL);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
pika_view_popup_unmap (GtkWidget *widget,
|
|
PikaViewPopup *popup)
|
|
{
|
|
g_object_set_data (G_OBJECT (popup->widget), "pika-view-popup", NULL);
|
|
}
|
|
|
|
static void
|
|
pika_view_popup_drag_begin (GtkWidget *widget,
|
|
GdkDragContext *context,
|
|
PikaViewPopup *popup)
|
|
{
|
|
g_object_set_data (G_OBJECT (popup->widget), "pika-view-popup", NULL);
|
|
}
|
|
|
|
static gboolean
|
|
pika_view_popup_timeout (PikaViewPopup *popup)
|
|
{
|
|
GtkWidget *window;
|
|
GtkWidget *frame;
|
|
GtkWidget *view;
|
|
GdkDisplay *display;
|
|
GdkRectangle workarea;
|
|
gint x;
|
|
gint y;
|
|
|
|
popup->timeout_id = 0;
|
|
|
|
window = gtk_window_new (GTK_WINDOW_POPUP);
|
|
gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
|
|
|
|
gtk_window_set_screen (GTK_WINDOW (window),
|
|
gtk_widget_get_screen (popup->widget));
|
|
gtk_window_set_transient_for (GTK_WINDOW (window),
|
|
GTK_WINDOW (gtk_widget_get_toplevel (popup->widget)));
|
|
|
|
frame = gtk_frame_new (NULL);
|
|
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
|
|
gtk_container_add (GTK_CONTAINER (window), frame);
|
|
gtk_widget_show (frame);
|
|
|
|
view = pika_view_new_full (popup->context,
|
|
popup->viewable,
|
|
popup->popup_width,
|
|
popup->popup_height,
|
|
0, TRUE, FALSE, FALSE);
|
|
pika_view_renderer_set_dot_for_dot (PIKA_VIEW (view)->renderer,
|
|
popup->dot_for_dot);
|
|
gtk_container_add (GTK_CONTAINER (frame), view);
|
|
gtk_widget_show (view);
|
|
|
|
display = gtk_widget_get_display (popup->widget);
|
|
|
|
gdk_monitor_get_workarea (gdk_display_get_monitor_at_point (display,
|
|
popup->button_x,
|
|
popup->button_y),
|
|
&workarea);
|
|
|
|
x = popup->button_x - (popup->popup_width / 2);
|
|
y = popup->button_y - (popup->popup_height / 2);
|
|
|
|
x = CLAMP (x, workarea.x, workarea.x + workarea.width - popup->popup_width);
|
|
y = CLAMP (y, workarea.y, workarea.y + workarea.height - popup->popup_height);
|
|
|
|
gtk_window_move (GTK_WINDOW (window), x, y);
|
|
gtk_widget_show (window);
|
|
|
|
popup->popup = window;
|
|
|
|
return FALSE;
|
|
}
|
