mirror of https://github.com/GNOME/gimp.git
194 lines
6.0 KiB
C
194 lines
6.0 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimptool-progress.c
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* Copyright (C) 2011 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "tools-types.h"
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#include "core/gimpprogress.h"
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#include "widgets/gimpwidgets-utils.h"
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#include "display/gimpcanvasprogress.h"
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#include "display/gimpdisplay.h"
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#include "display/gimpdisplayshell.h"
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#include "display/gimpdisplayshell-items.h"
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#include "display/gimpdisplayshell-transform.h"
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#include "gimptool.h"
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#include "gimptool-progress.h"
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/* local function prototypes */
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static GimpProgress * gimp_tool_progress_start (GimpProgress *progress,
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const gchar *message,
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gboolean cancelable);
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static void gimp_tool_progress_end (GimpProgress *progress);
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static gboolean gimp_tool_progress_is_active (GimpProgress *progress);
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static void gimp_tool_progress_set_text (GimpProgress *progress,
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const gchar *message);
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static void gimp_tool_progress_set_value (GimpProgress *progress,
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gdouble percentage);
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static gdouble gimp_tool_progress_get_value (GimpProgress *progress);
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static void gimp_tool_progress_pulse (GimpProgress *progress);
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static gboolean gimp_tool_progress_message (GimpProgress *progress,
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Gimp *gimp,
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GimpMessageSeverity severity,
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const gchar *domain,
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const gchar *message);
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/* public functions */
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void
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gimp_tool_progress_iface_init (GimpProgressInterface *iface)
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{
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iface->start = gimp_tool_progress_start;
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iface->end = gimp_tool_progress_end;
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iface->is_active = gimp_tool_progress_is_active;
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iface->set_text = gimp_tool_progress_set_text;
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iface->set_value = gimp_tool_progress_set_value;
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iface->get_value = gimp_tool_progress_get_value;
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iface->pulse = gimp_tool_progress_pulse;
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iface->message = gimp_tool_progress_message;
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}
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/* private functions */
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static GimpProgress *
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gimp_tool_progress_start (GimpProgress *progress,
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const gchar *message,
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gboolean cancelable)
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{
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GimpTool *tool = GIMP_TOOL (progress);
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GimpDisplayShell *shell;
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gint x, y;
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g_return_val_if_fail (GIMP_IS_DISPLAY (tool->display), NULL);
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g_return_val_if_fail (tool->progress == NULL, NULL);
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shell = gimp_display_get_shell (tool->display);
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x = shell->disp_width / 2;
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y = shell->disp_height / 2;
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gimp_display_shell_unzoom_xy (shell, x, y, &x, &y, FALSE);
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tool->progress = gimp_canvas_progress_new (shell,
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GIMP_HANDLE_ANCHOR_CENTER,
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x, y);
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gimp_display_shell_add_unrotated_item (shell, tool->progress);
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g_object_unref (tool->progress);
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gimp_progress_start (GIMP_PROGRESS (tool->progress),
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message, FALSE);
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gimp_widget_flush_expose (shell->canvas);
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tool->progress_display = tool->display;
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return progress;
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}
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static void
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gimp_tool_progress_end (GimpProgress *progress)
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{
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GimpTool *tool = GIMP_TOOL (progress);
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if (tool->progress)
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{
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GimpDisplayShell *shell = gimp_display_get_shell (tool->progress_display);
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gimp_progress_end (GIMP_PROGRESS (tool->progress));
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gimp_display_shell_remove_unrotated_item (shell, tool->progress);
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tool->progress = NULL;
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tool->progress_display = NULL;
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}
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}
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static gboolean
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gimp_tool_progress_is_active (GimpProgress *progress)
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{
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GimpTool *tool = GIMP_TOOL (progress);
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return tool->progress != NULL;
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}
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static void
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gimp_tool_progress_set_text (GimpProgress *progress,
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const gchar *message)
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{
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GimpTool *tool = GIMP_TOOL (progress);
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if (tool->progress)
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{
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GimpDisplayShell *shell = gimp_display_get_shell (tool->progress_display);
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gimp_progress_set_text (GIMP_PROGRESS (tool->progress), message);
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gimp_widget_flush_expose (shell->canvas);
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}
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}
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static void
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gimp_tool_progress_set_value (GimpProgress *progress,
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gdouble percentage)
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{
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GimpTool *tool = GIMP_TOOL (progress);
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if (tool->progress)
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{
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GimpDisplayShell *shell = gimp_display_get_shell (tool->progress_display);
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gimp_progress_set_value (GIMP_PROGRESS (tool->progress), percentage);
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gimp_widget_flush_expose (shell->canvas);
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}
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}
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static gdouble
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gimp_tool_progress_get_value (GimpProgress *progress)
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{
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GimpTool *tool = GIMP_TOOL (progress);
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if (tool->progress)
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return gimp_progress_get_value (GIMP_PROGRESS (tool->progress));
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return 0.0;
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}
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static void
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gimp_tool_progress_pulse (GimpProgress *progress)
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{
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}
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static gboolean
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gimp_tool_progress_message (GimpProgress *progress,
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Gimp *gimp,
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GimpMessageSeverity severity,
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const gchar *domain,
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const gchar *message)
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{
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return FALSE;
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}
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