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/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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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 2 of the License, or
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* (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include "libgimpwidgets/gimpwidgets.h"
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#include "tools-types.h"
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#include "base/boundary.h"
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#include "core/gimpchannel.h"
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#include "core/gimpchannel-select.h"
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#include "core/gimplayer-floating-sel.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-undo.h"
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#include "core/gimppickable.h"
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#include "core/gimp-utils.h"
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#include "core/gimpundostack.h"
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#include "widgets/gimpdialogfactory.h"
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#include "widgets/gimphelp-ids.h"
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#include "widgets/gimpviewabledialog.h"
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#include "widgets/gimpwidgets-utils.h"
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#include "display/gimpdisplay.h"
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#include "display/gimpdisplayshell.h"
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#include "display/gimpdisplayshell-transform.h"
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#include "display/gimpdisplayshell-appearance.h"
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#include "gimpselectiontool.h"
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#include "gimpselectionoptions.h"
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#include "gimprectangletool.h"
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#include "gimprectangleoptions.h"
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#include "gimprectangleselecttool.h"
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#include "gimprectangleselectoptions.h"
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#include "gimptoolcontrol.h"
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#include "gimp-intl.h"
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static void gimp_rect_select_tool_rectangle_tool_iface_init (GimpRectangleToolInterface *iface);
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static GObject *gimp_rect_select_tool_constructor (GType type,
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GObjectConstructParam *params);
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static void gimp_rect_select_tool_control (GimpTool *tool,
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GimpToolAction action,
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GimpDisplay *display);
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static void gimp_rect_select_tool_button_press (GimpTool *tool,
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GdkModifierType state,
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GimpDisplay *display);
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static void gimp_rect_select_tool_button_release (GimpTool *tool,
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GdkModifierType state,
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GimpButtonReleaseType release_type,
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GimpDisplay *display);
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static void gimp_rect_select_tool_active_modifier_key (GimpTool *tool,
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GdkModifierType state,
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GimpDisplay *display);
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static gboolean gimp_rect_select_tool_key_press (GimpTool *tool,
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GimpDisplay *display);
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static void gimp_rect_select_tool_oper_update (GimpTool *tool,
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GdkModifierType state,
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GimpDisplay *display);
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static void gimp_rect_select_tool_cursor_update (GimpTool *tool,
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GdkModifierType state,
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GimpDisplay *display);
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static void gimp_rect_select_tool_draw (GimpDrawTool *draw_tool);
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static gboolean gimp_rect_select_tool_select (GimpRectangleTool *rect_tool,
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static gboolean gimp_rect_select_tool_execute (GimpRectangleTool *rect_tool,
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static void gimp_rect_select_tool_cancel (GimpRectangleTool *rect_tool);
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static gboolean gimp_rect_select_tool_rectangle_changed (GimpRectangleTool *rect_tool);
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static void gimp_rect_select_tool_real_select (GimpRectSelectTool *rect_select,
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GimpChannelOps operation,
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static void gimp_rect_select_tool_round_corners_notify (GimpRectSelectOptions *options,
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GimpRectSelectTool *rect_sel);
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G_DEFINE_TYPE_WITH_CODE (GimpRectSelectTool, gimp_rect_select_tool,
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GIMP_TYPE_SELECTION_TOOL,
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G_IMPLEMENT_INTERFACE (GIMP_TYPE_RECTANGLE_TOOL,
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gimp_rect_select_tool_rectangle_tool_iface_init))
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#define parent_class gimp_rect_select_tool_parent_class
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gimp_rect_select_tool_register (GimpToolRegisterCallback callback,
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(* callback) (GIMP_TYPE_RECT_SELECT_TOOL,
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GIMP_TYPE_RECT_SELECT_OPTIONS,
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gimp_rect_select_options_gui,
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"gimp-rect-select-tool",
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_("Rectangle Select"),
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_("Rectangle Select Tool: Select a rectangular region"),
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N_("_Rectangle Select"), "R",
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NULL, GIMP_HELP_TOOL_RECT_SELECT,
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GIMP_STOCK_TOOL_RECT_SELECT,
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gimp_rect_select_tool_class_init (GimpRectSelectToolClass *klass)
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
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GimpDrawToolClass *draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
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object_class->constructor = gimp_rect_select_tool_constructor;
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object_class->set_property = gimp_rectangle_tool_set_property;
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object_class->get_property = gimp_rectangle_tool_get_property;
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gimp_rectangle_tool_install_properties (object_class);
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tool_class->control = gimp_rect_select_tool_control;
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tool_class->button_press = gimp_rect_select_tool_button_press;
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tool_class->button_release = gimp_rect_select_tool_button_release;
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tool_class->motion = gimp_rectangle_tool_motion;
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tool_class->key_press = gimp_rect_select_tool_key_press;
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tool_class->active_modifier_key = gimp_rect_select_tool_active_modifier_key;
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tool_class->oper_update = gimp_rect_select_tool_oper_update;
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tool_class->cursor_update = gimp_rect_select_tool_cursor_update;
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draw_tool_class->draw = gimp_rect_select_tool_draw;
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klass->select = gimp_rect_select_tool_real_select;
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gimp_rect_select_tool_rectangle_tool_iface_init (GimpRectangleToolInterface *iface)
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iface->execute = gimp_rect_select_tool_execute;
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iface->cancel = gimp_rect_select_tool_cancel;
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iface->rectangle_changed = gimp_rect_select_tool_rectangle_changed;
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gimp_rect_select_tool_init (GimpRectSelectTool *rect_select)
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GimpTool *tool = GIMP_TOOL (rect_select);
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gimp_tool_control_set_wants_click (tool->control, TRUE);
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gimp_tool_control_set_tool_cursor (tool->control,
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GIMP_TOOL_CURSOR_RECT_SELECT);
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gimp_tool_control_set_dirty_mask (tool->control,
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GIMP_DIRTY_IMAGE_SIZE |
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GIMP_DIRTY_SELECTION);
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rect_select->undo = NULL;
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rect_select->redo = NULL;
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gimp_rect_select_tool_constructor (GType type,
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GObjectConstructParam *params)
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GimpRectSelectTool *rect_sel;
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GimpRectSelectOptions *options;
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object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
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gimp_rectangle_tool_constructor (object);
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rect_sel = GIMP_RECT_SELECT_TOOL (object);
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options = GIMP_RECT_SELECT_TOOL_GET_OPTIONS (rect_sel);
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rect_sel->round_corners = options->round_corners;
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rect_sel->corner_radius = options->corner_radius;
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g_signal_connect_object (options, "notify::round-corners",
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G_CALLBACK (gimp_rect_select_tool_round_corners_notify),
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g_signal_connect_object (options, "notify::corner-radius",
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G_CALLBACK (gimp_rect_select_tool_round_corners_notify),
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gimp_rect_select_tool_control (GimpTool *tool,
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GimpToolAction action,
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GimpDisplay *display)
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gimp_rectangle_tool_control (tool, action, display);
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GIMP_TOOL_CLASS (parent_class)->control (tool, action, display);
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gimp_rect_select_tool_draw (GimpDrawTool *draw_tool)
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GimpRectSelectTool *rect_sel = GIMP_RECT_SELECT_TOOL (draw_tool);
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gimp_rectangle_tool_draw (draw_tool);
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if (rect_sel->round_corners)
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g_object_get (rect_sel,
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radius = MIN (rect_sel->corner_radius,
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MIN ((x2 - x1) / 2.0, (y2 - y1) / 2.0));
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square_size = (int) (radius * 2);
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gimp_draw_tool_draw_arc (draw_tool, FALSE,
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square_size, square_size,
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gimp_draw_tool_draw_arc (draw_tool, FALSE,
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x2 - square_size, y1,
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square_size, square_size,
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gimp_draw_tool_draw_arc (draw_tool, FALSE,
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x2 - square_size, y2 - square_size,
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square_size, square_size,
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gimp_draw_tool_draw_arc (draw_tool, FALSE,
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x1, y2 - square_size,
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square_size, square_size,
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gimp_rect_select_tool_button_press (GimpTool *tool,
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GdkModifierType state,
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GimpDisplay *display)
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GimpRectangleTool *rectangle = GIMP_RECTANGLE_TOOL (tool);
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GimpRectSelectTool *rect_select = GIMP_RECT_SELECT_TOOL (tool);
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GimpRectangleFunction function;
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if (tool->display && display != tool->display)
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gimp_rectangle_tool_cancel (GIMP_RECTANGLE_TOOL (tool));
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function = gimp_rectangle_tool_get_function (rectangle);
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rect_select->saved_show_selection
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= gimp_display_shell_get_show_selection (GIMP_DISPLAY_SHELL (display->shell));
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if (function == RECT_INACTIVE)
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GimpDisplay *old_display;
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gboolean edit_started;
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old_display = tool->display;
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tool->display = display;
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gimp_tool_control_activate (tool->control);
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edit_started = gimp_selection_tool_start_edit (GIMP_SELECTION_TOOL (tool),
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if (gimp_tool_control_is_active (tool->control))
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gimp_tool_control_halt (tool->control);
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tool->display = old_display;
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/* if the shift or ctrl keys are down, we don't want to adjust, we
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* want to create a new rectangle, regardless of pointer loc */
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if (state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))
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gimp_rectangle_tool_set_function (rectangle, RECT_CREATING);
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gimp_rectangle_tool_button_press (tool, coords, time, state, display);
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/* if we have an existing rectangle in the current display, then
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* we have already "executed", and need to undo at this point,
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* unless the user has done something in the meantime
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function = gimp_rectangle_tool_get_function (rectangle);
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if (function == RECT_CREATING)
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rect_select->use_saved_op = FALSE;
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GimpSelectionOptions *options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
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GimpImage *image = tool->display->image;
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GimpChannelOps operation;
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if (rect_select->use_saved_op)
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operation = rect_select->operation;
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operation = options->operation;
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undo = gimp_undo_stack_peek (image->undo_stack);
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if (undo && rect_select->undo == undo)
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/* prevent this change from halting the tool */
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gimp_tool_control_set_preserve (tool->control, TRUE);
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gimp_image_undo (image);
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gimp_tool_control_set_preserve (tool->control, FALSE);
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/* we will need to redo if the user cancels or executes */
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rect_select->redo = gimp_undo_stack_peek (image->redo_stack);
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/* if the operation is "Replace", turn off the marching ants,
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because they are confusing */
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if (operation == GIMP_CHANNEL_OP_REPLACE)
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gimp_display_shell_set_show_selection (GIMP_DISPLAY_SHELL (display->shell),
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rect_select->undo = NULL;
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gimp_rect_select_tool_button_release (GimpTool *tool,
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GdkModifierType state,
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GimpButtonReleaseType release_type,
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GimpDisplay *display)
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GimpRectSelectTool *rect_select = GIMP_RECT_SELECT_TOOL (tool);
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gimp_tool_pop_status (tool, display);
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gimp_display_shell_set_show_selection (GIMP_DISPLAY_SHELL (display->shell),
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rect_select->saved_show_selection);
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* if the user has not moved the mouse, we need to redo the operation
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* that was undone on button press.
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if (release_type == GIMP_BUTTON_RELEASE_CLICK)
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GimpImage *image = tool->display->image;
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redo = gimp_undo_stack_peek (image->redo_stack);
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if (redo && rect_select->redo == redo)
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/* prevent this from halting the tool */
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gimp_tool_control_set_preserve (tool->control, TRUE);
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gimp_image_redo (image);
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rect_select->redo = NULL;
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gimp_tool_control_set_preserve (tool->control, FALSE);
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gimp_rectangle_tool_button_release (tool, coords, time, state, release_type,
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if (release_type == GIMP_BUTTON_RELEASE_CANCEL)
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if (rect_select->redo)
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/* prevent this from halting the tool */
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gimp_tool_control_set_preserve (tool->control, TRUE);
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gimp_image_redo (tool->display->image);
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gimp_tool_control_set_preserve (tool->control, FALSE);
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rect_select->use_saved_op = TRUE; /* is this correct? */
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rect_select->redo = NULL;
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gimp_rect_select_tool_active_modifier_key (GimpTool *tool,
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GdkModifierType state,
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GimpDisplay *display)
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GIMP_TOOL_CLASS (parent_class)->active_modifier_key (tool, key, press, state,
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gimp_rectangle_tool_active_modifier_key (tool, key, press, state, display);
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gimp_rect_select_tool_key_press (GimpTool *tool,
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GimpDisplay *display)
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return (gimp_rectangle_tool_key_press (tool, kevent, display) ||
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gimp_edit_selection_tool_key_press (tool, kevent, display));
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gimp_rect_select_tool_oper_update (GimpTool *tool,
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GdkModifierType state,
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GimpDisplay *display)
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GimpRectangleFunction function;
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gimp_rectangle_tool_oper_update (tool, coords, state, proximity, display);
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function = gimp_rectangle_tool_get_function (GIMP_RECTANGLE_TOOL (tool));
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if (function == RECT_INACTIVE)
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GIMP_SELECTION_TOOL (tool)->allow_move = TRUE;
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GIMP_SELECTION_TOOL (tool)->allow_move = FALSE;
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GIMP_TOOL_CLASS (parent_class)->oper_update (tool, coords, state, proximity,
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gimp_rect_select_tool_cursor_update (GimpTool *tool,
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GdkModifierType state,
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GimpDisplay *display)
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gimp_rectangle_tool_cursor_update (tool, coords, state, display);
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/* override the previous if shift or ctrl are down */
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if (state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))
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gimp_tool_control_set_cursor (tool->control, GIMP_CURSOR_CROSSHAIR_SMALL);
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GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, display);
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gimp_rect_select_tool_select (GimpRectangleTool *rectangle,
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GimpTool *tool = GIMP_TOOL (rectangle);
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GimpRectSelectTool *rect_select = GIMP_RECT_SELECT_TOOL (rectangle);
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GimpSelectionOptions *options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
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gboolean rectangle_exists;
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GimpChannelOps operation;
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gimp_tool_pop_status (tool, tool->display);
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image = tool->display->image;
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rectangle_exists = (x <= image->width && y <= image->height &&
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x + w >= 0 && y + h >= 0 &&
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if (rect_select->use_saved_op)
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operation = rect_select->operation;
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operation = options->operation;
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/* if rectangle exists, turn it into a selection */
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if (rectangle_exists)
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GIMP_RECT_SELECT_TOOL_GET_CLASS (rect_select)->select (rect_select,
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return rectangle_exists;
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gimp_rect_select_tool_real_select (GimpRectSelectTool *rect_select,
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GimpChannelOps operation,
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GimpTool *tool = GIMP_TOOL (rect_select);
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GimpSelectionOptions *options;
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GimpRectSelectOptions *rect_select_options;
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options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
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rect_select_options = GIMP_RECT_SELECT_TOOL_GET_OPTIONS (tool);
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if (rect_select_options->round_corners)
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/* To prevent elliptification of the rect, we must cap the corner radius */
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gdouble radius = MIN (rect_select_options->corner_radius,
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MIN (w / 2.0, h / 2.0));
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gimp_channel_select_round_rect (gimp_image_get_mask (tool->display->image),
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options->feather_radius,
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options->feather_radius,
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gimp_channel_select_rectangle (gimp_image_get_mask (tool->display->image),
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options->feather_radius,
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options->feather_radius,
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* This function is called if the user clicks and releases the left
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* button without moving it. There are the things we might want
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* 1) If there is an existing rectangle and we are inside it, we
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* convert it into a selection.
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* 2) If there is an existing rectangle and we are outside it, we
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* 3) If there is no rectangle and there is a floating selection,
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* 4) If there is no rectangle and we are inside the selection, we
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* create a rectangle from the selection bounds.
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* 5) If there is no rectangle and we are outside the selection,
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* we clear the selection.
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gimp_rect_select_tool_execute (GimpRectangleTool *rectangle,
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if (w == 0 && h == 0)
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GimpImage *image = GIMP_TOOL (rectangle)->display->image;
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GimpChannel *selection = gimp_image_get_mask (image);
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if (gimp_image_floating_sel (image))
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floating_sel_anchor (gimp_image_floating_sel (image));
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gimp_image_flush (image);
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gimp_rectangle_tool_get_press_coords (rectangle, &pressx, &pressy);
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/* if the click was inside the marching ants */
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if (gimp_pickable_get_opacity_at (GIMP_PICKABLE (selection),
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pressx, pressy) > BOUNDARY_HALF_WAY)
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if (gimp_channel_bounds (selection, &x1, &y1, &x2, &y2))
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g_object_set (rectangle,
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gimp_rectangle_tool_set_function (rectangle, RECT_MOVING);
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GimpTool *tool = GIMP_TOOL (rectangle);
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/* prevent this change from halting the tool */
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gimp_tool_control_set_preserve (tool->control, TRUE);
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/* otherwise clear the selection */
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gimp_channel_clear (selection, NULL, TRUE);
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gimp_image_flush (image);
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gimp_tool_control_set_preserve (tool->control, FALSE);
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gimp_rect_select_tool_cancel (GimpRectangleTool *rectangle)
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GimpTool *tool = GIMP_TOOL (rectangle);
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GimpRectSelectTool *rect_select = GIMP_RECT_SELECT_TOOL (rectangle);
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GimpImage *image = tool->display->image;
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/* if we have an existing rectangle in the current display, then
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* we have already "executed", and need to undo at this point,
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* unless the user has done something in the meantime
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undo = gimp_undo_stack_peek (image->undo_stack);
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if (undo && rect_select->undo == undo)
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/* prevent this change from halting the tool */
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gimp_tool_control_set_preserve (tool->control, TRUE);
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gimp_image_undo (image);
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gimp_image_flush (image);
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gimp_tool_control_set_preserve (tool->control, FALSE);
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rect_select->undo = NULL;
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rect_select->redo = NULL;
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gimp_rect_select_tool_rectangle_changed (GimpRectangleTool *rectangle)
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GimpTool *tool = GIMP_TOOL (rectangle);
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/* prevent change in selection from halting the tool */
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gimp_tool_control_set_preserve (tool->control, TRUE);
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if (tool->display && ! gimp_tool_control_is_active (tool->control))
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GimpRectSelectTool *rect_select = GIMP_RECT_SELECT_TOOL (tool);
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GimpImage *image = tool->display->image;
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/* if we got here via button release, we have already undone the
701
* previous operation. But if we got here by some other means,
702
* we need to undo it now.
704
undo = gimp_undo_stack_peek (image->undo_stack);
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if (undo && rect_select->undo == undo)
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gimp_image_undo (image);
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rect_select->undo = NULL;
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g_object_get (rectangle,
719
if (gimp_rect_select_tool_select (rectangle, x1, y1, x2 - x1, y2 - y1))
721
/* save the undo that we got when executing, but only if
722
* we actually selected something
724
rect_select->undo = gimp_undo_stack_peek (image->undo_stack);
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rect_select->redo = NULL;
728
if (! rect_select->use_saved_op)
730
GimpSelectionOptions *options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
732
/* remember the operation now in case we modify the rectangle */
733
rect_select->operation = options->operation;
734
rect_select->use_saved_op = TRUE;
737
gimp_image_flush (image);
740
gimp_tool_control_set_preserve (tool->control, FALSE);
746
gimp_rect_select_tool_round_corners_notify (GimpRectSelectOptions *options,
748
GimpRectSelectTool *rect_sel)
750
gimp_draw_tool_pause (GIMP_DRAW_TOOL (rect_sel));
752
rect_sel->round_corners = options->round_corners;
753
rect_sel->corner_radius = options->corner_radius;
755
gimp_draw_tool_resume (GIMP_DRAW_TOOL (rect_sel));
added
removed
app/tools/gimprectangleselecttool.c
