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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimptool-progress.c
* Copyright (C) 2011 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 "tools-types.h"
#include "core/gimpprogress.h"
#include "widgets/gimpwidgets-utils.h"
#include "display/gimpcanvasprogress.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "display/gimpdisplayshell-items.h"
#include "display/gimpdisplayshell-transform.h"
#include "gimptool.h"
#include "gimptool-progress.h"
/* local function prototypes */
static GimpProgress * gimp_tool_progress_start (GimpProgress *progress,
gboolean cancellable,
const gchar *message);
static void gimp_tool_progress_end (GimpProgress *progress);
static gboolean gimp_tool_progress_is_active (GimpProgress *progress);
static void gimp_tool_progress_set_text (GimpProgress *progress,
const gchar *message);
static void gimp_tool_progress_set_value (GimpProgress *progress,
gdouble percentage);
static gdouble gimp_tool_progress_get_value (GimpProgress *progress);
static void gimp_tool_progress_pulse (GimpProgress *progress);
static gboolean gimp_tool_progress_message (GimpProgress *progress,
Gimp *gimp,
GimpMessageSeverity severity,
const gchar *domain,
const gchar *message);
/* public functions */
void
gimp_tool_progress_iface_init (GimpProgressInterface *iface)
{
iface->start = gimp_tool_progress_start;
iface->end = gimp_tool_progress_end;
iface->is_active = gimp_tool_progress_is_active;
iface->set_text = gimp_tool_progress_set_text;
iface->set_value = gimp_tool_progress_set_value;
iface->get_value = gimp_tool_progress_get_value;
iface->pulse = gimp_tool_progress_pulse;
iface->message = gimp_tool_progress_message;
}
/* private functions */
static gboolean
gimp_tool_progress_button_press (GtkWidget *widget,
const GdkEventButton *bevent,
GimpTool *tool)
{
if (bevent->type == GDK_BUTTON_PRESS &&
bevent->button == 1)
{
GtkWidget *event_widget;
GimpDisplayShell *shell;
event_widget = gtk_get_event_widget ((GdkEvent *) bevent);
shell = gimp_display_get_shell (tool->progress_display);
if (shell->canvas == event_widget)
{
gint x, y;
gimp_display_shell_unzoom_xy (shell, bevent->x, bevent->y,
&x, &y, FALSE);
if (gimp_canvas_item_hit (tool->progress, x, y))
{
gimp_progress_cancel (GIMP_PROGRESS (tool));
}
}
}
return TRUE;
}
static gboolean
gimp_tool_progress_key_press (GtkWidget *widget,
const GdkEventKey *kevent,
GimpTool *tool)
{
if (kevent->keyval == GDK_KEY_Escape)
{
gimp_progress_cancel (GIMP_PROGRESS (tool));
}
return TRUE;
}
static GimpProgress *
gimp_tool_progress_start (GimpProgress *progress,
gboolean cancellable,
const gchar *message)
{
GimpTool *tool = GIMP_TOOL (progress);
GimpDisplayShell *shell;
gint x, y;
g_return_val_if_fail (GIMP_IS_DISPLAY (tool->display), NULL);
g_return_val_if_fail (tool->progress == NULL, NULL);
shell = gimp_display_get_shell (tool->display);
x = shell->disp_width / 2;
y = shell->disp_height / 2;
gimp_display_shell_unzoom_xy (shell, x, y, &x, &y, FALSE);
tool->progress = gimp_canvas_progress_new (shell,
GIMP_HANDLE_ANCHOR_CENTER,
x, y);
gimp_display_shell_add_unrotated_item (shell, tool->progress);
g_object_unref (tool->progress);
gimp_progress_start (GIMP_PROGRESS (tool->progress), FALSE,
"%s", message);
gimp_widget_flush_expose (shell->canvas);
tool->progress_display = tool->display;
if (cancellable)
{
tool->progress_grab_widget = gtk_invisible_new ();
gtk_widget_show (tool->progress_grab_widget);
gtk_grab_add (tool->progress_grab_widget);
g_signal_connect (tool->progress_grab_widget, "button-press-event",
G_CALLBACK (gimp_tool_progress_button_press),
tool);
g_signal_connect (tool->progress_grab_widget, "key-press-event",
G_CALLBACK (gimp_tool_progress_key_press),
tool);
}
return progress;
}
static void
gimp_tool_progress_end (GimpProgress *progress)
{
GimpTool *tool = GIMP_TOOL (progress);
if (tool->progress)
{
GimpDisplayShell *shell = gimp_display_get_shell (tool->progress_display);
gimp_progress_end (GIMP_PROGRESS (tool->progress));
gimp_display_shell_remove_unrotated_item (shell, tool->progress);
tool->progress = NULL;
tool->progress_display = NULL;
if (tool->progress_grab_widget)
{
gtk_grab_remove (tool->progress_grab_widget);
gtk_widget_destroy (tool->progress_grab_widget);
tool->progress_grab_widget = NULL;
}
}
}
static gboolean
gimp_tool_progress_is_active (GimpProgress *progress)
{
GimpTool *tool = GIMP_TOOL (progress);
return tool->progress != NULL;
}
static void
gimp_tool_progress_set_text (GimpProgress *progress,
const gchar *message)
{
GimpTool *tool = GIMP_TOOL (progress);
if (tool->progress)
{
GimpDisplayShell *shell = gimp_display_get_shell (tool->progress_display);
gimp_progress_set_text_literal (GIMP_PROGRESS (tool->progress), message);
gimp_widget_flush_expose (shell->canvas);
}
}
static void
gimp_tool_progress_set_value (GimpProgress *progress,
gdouble percentage)
{
GimpTool *tool = GIMP_TOOL (progress);
if (tool->progress)
{
GimpDisplayShell *shell = gimp_display_get_shell (tool->progress_display);
gimp_progress_set_value (GIMP_PROGRESS (tool->progress), percentage);
gimp_widget_flush_expose (shell->canvas);
}
}
static gdouble
gimp_tool_progress_get_value (GimpProgress *progress)
{
GimpTool *tool = GIMP_TOOL (progress);
if (tool->progress)
return gimp_progress_get_value (GIMP_PROGRESS (tool->progress));
return 0.0;
}
static void
gimp_tool_progress_pulse (GimpProgress *progress)
{
}
static gboolean
gimp_tool_progress_message (GimpProgress *progress,
Gimp *gimp,
GimpMessageSeverity severity,
const gchar *domain,
const gchar *message)
{
return FALSE;
}
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