mirror of https://github.com/GNOME/gimp.git
652 lines
19 KiB
C
652 lines
19 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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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 2 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, 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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*/
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#include "config.h"
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#include <stdlib.h>
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#include <gtk/gtk.h>
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#include "libgimpwidgets/gimpwidgets.h"
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#include "tools-types.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-guides.h"
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#include "core/gimpimage-mask.h"
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#include "core/gimplayer.h"
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#include "core/gimplayer-floating-sel.h"
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#include "core/gimptoolinfo.h"
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#include "display/gimpdisplay.h"
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#include "display/gimpdisplay-foreach.h"
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#include "display/gimpdisplayshell.h"
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#include "display/gimpdisplayshell-transform.h"
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#include "widgets/gimpwidgets-utils.h"
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#include "gimpeditselectiontool.h"
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#include "gimpmoveoptions.h"
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#include "gimpmovetool.h"
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#include "undo.h"
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#include "libgimp/gimpintl.h"
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/* local function prototypes */
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static void gimp_move_tool_class_init (GimpMoveToolClass *klass);
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static void gimp_move_tool_init (GimpMoveTool *move_tool);
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static void gimp_move_tool_control (GimpTool *tool,
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GimpToolAction action,
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GimpDisplay *gdisp);
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static void gimp_move_tool_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_move_tool_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_move_tool_motion (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_move_tool_modifier_key (GimpTool *tool,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_move_tool_cursor_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_move_tool_draw (GimpDrawTool *draw_tool);
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static void gimp_move_tool_start_guide (GimpTool *tool,
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GimpDisplay *gdisp,
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GimpOrientationType orientation);
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static GimpDrawToolClass *parent_class = NULL;
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void
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gimp_move_tool_register (GimpToolRegisterCallback callback,
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gpointer data)
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{
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(* callback) (GIMP_TYPE_MOVE_TOOL,
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GIMP_TYPE_MOVE_OPTIONS,
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gimp_move_options_gui,
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FALSE,
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"gimp-move-tool",
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_("Move"),
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_("Move layers & selections"),
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N_("/Tools/Transform Tools/Move"), "M",
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NULL, "tools/move.html",
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GIMP_STOCK_TOOL_MOVE,
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data);
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}
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GType
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gimp_move_tool_get_type (void)
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{
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static GType tool_type = 0;
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if (! tool_type)
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{
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static const GTypeInfo tool_info =
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{
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sizeof (GimpMoveToolClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gimp_move_tool_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpMoveTool),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_move_tool_init,
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};
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tool_type = g_type_register_static (GIMP_TYPE_DRAW_TOOL,
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"GimpMoveTool",
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&tool_info, 0);
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}
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return tool_type;
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}
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static void
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gimp_move_tool_class_init (GimpMoveToolClass *klass)
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{
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GimpToolClass *tool_class;
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GimpDrawToolClass *draw_tool_class;
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tool_class = GIMP_TOOL_CLASS (klass);
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draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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tool_class->control = gimp_move_tool_control;
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tool_class->button_press = gimp_move_tool_button_press;
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tool_class->button_release = gimp_move_tool_button_release;
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tool_class->motion = gimp_move_tool_motion;
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tool_class->arrow_key = gimp_edit_selection_tool_arrow_key;
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tool_class->modifier_key = gimp_move_tool_modifier_key;
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tool_class->cursor_update = gimp_move_tool_cursor_update;
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draw_tool_class->draw = gimp_move_tool_draw;
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}
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static void
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gimp_move_tool_init (GimpMoveTool *move_tool)
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{
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GimpTool *tool;
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tool = GIMP_TOOL (move_tool);
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move_tool->layer = NULL;
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move_tool->guide = NULL;
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move_tool->disp = NULL;
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gimp_tool_control_set_snap_to (tool->control, FALSE);
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gimp_tool_control_set_handles_empty_image (tool->control, TRUE);
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gimp_tool_control_set_tool_cursor (tool->control,
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GIMP_MOVE_TOOL_CURSOR);
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}
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static void
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gimp_move_tool_control (GimpTool *tool,
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GimpToolAction action,
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GimpDisplay *gdisp)
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{
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GimpMoveTool *move_tool;
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move_tool = GIMP_MOVE_TOOL (tool);
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switch (action)
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{
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case PAUSE:
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break;
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case RESUME:
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if (move_tool->guide)
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gimp_display_shell_draw_guide (GIMP_DISPLAY_SHELL (gdisp->shell),
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move_tool->guide, TRUE);
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break;
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case HALT:
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if (move_tool->guide)
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gimp_display_shell_draw_guide (GIMP_DISPLAY_SHELL (gdisp->shell),
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move_tool->guide, FALSE);
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break;
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default:
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break;
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}
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GIMP_TOOL_CLASS (parent_class)->control (tool, action, gdisp);
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}
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static void
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gimp_move_tool_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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GimpMoveTool *move;
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GimpMoveOptions *options;
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GimpLayer *layer;
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GimpGuide *guide;
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move = GIMP_MOVE_TOOL (tool);
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options = GIMP_MOVE_OPTIONS (tool->tool_info->tool_options);
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tool->gdisp = gdisp;
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move->layer = NULL;
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move->guide = NULL;
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move->disp = NULL;
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if (options->move_mask && ! gimp_image_mask_is_empty (gdisp->gimage))
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{
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init_edit_selection (tool, gdisp, coords, EDIT_MASK_TRANSLATE);
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gimp_tool_control_activate (tool->control);
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}
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else if (options->move_current)
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{
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init_edit_selection (tool, gdisp, coords, EDIT_LAYER_TRANSLATE);
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gimp_tool_control_activate (tool->control);
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}
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else
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{
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if (gdisp->draw_guides &&
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(guide = gimp_image_find_guide (gdisp->gimage, coords->x, coords->y)))
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{
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undo_push_image_guide (gdisp->gimage, guide);
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gimp_image_update_guide (gdisp->gimage, guide);
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gimp_image_remove_guide (gdisp->gimage, guide);
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gimp_display_flush (gdisp);
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gimp_image_add_guide (gdisp->gimage, guide);
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move->guide = guide;
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move->disp = gdisp;
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gimp_tool_control_set_scroll_lock (tool->control, TRUE);
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gimp_tool_control_activate (tool->control);
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gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), gdisp);
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}
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else if ((layer = gimp_image_pick_correlate_layer (gdisp->gimage,
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coords->x,
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coords->y)))
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{
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/* If there is a floating selection, and this aint it,
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* use the move tool
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*/
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if (gimp_image_floating_sel (gdisp->gimage) &&
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! gimp_layer_is_floating_sel (layer))
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{
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move->layer = gimp_image_floating_sel (gdisp->gimage);
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}
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/* Otherwise, init the edit selection */
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else
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{
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gimp_image_set_active_layer (gdisp->gimage, layer);
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if (state & GDK_SHIFT_MASK)
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gimp_layer_set_linked (layer, ! gimp_layer_get_linked (layer));
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init_edit_selection (tool, gdisp, coords, EDIT_LAYER_TRANSLATE);
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}
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gimp_tool_control_activate (tool->control);
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}
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}
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}
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static void
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gimp_move_tool_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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GimpMoveTool *move;
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GimpDisplayShell *shell;
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gboolean delete_guide;
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gint x1, y1;
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gint x2, y2;
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move = GIMP_MOVE_TOOL (tool);
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shell = GIMP_DISPLAY_SHELL (gdisp->shell);
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gimp_tool_control_halt (tool->control);
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if (move->guide)
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{
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GimpDisplayShell *shell;
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shell = GIMP_DISPLAY_SHELL (tool->gdisp->shell);
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gimp_tool_control_set_scroll_lock (tool->control, FALSE);
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delete_guide = FALSE;
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gimp_display_shell_untransform_xy (shell,
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0, 0,
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&x1, &y1,
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FALSE, FALSE);
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gimp_display_shell_untransform_xy (shell,
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shell->disp_width, shell->disp_height,
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&x2, &y2,
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FALSE, FALSE);
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if (x1 < 0) x1 = 0;
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if (y1 < 0) y1 = 0;
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if (x2 > gdisp->gimage->width) x2 = gdisp->gimage->width;
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if (y2 > gdisp->gimage->height) y2 = gdisp->gimage->height;
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switch (move->guide->orientation)
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{
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case GIMP_ORIENTATION_HORIZONTAL:
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if ((move->guide->position < y1) || (move->guide->position > y2))
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delete_guide = TRUE;
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break;
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case GIMP_ORIENTATION_VERTICAL:
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if ((move->guide->position < x1) || (move->guide->position > x2))
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delete_guide = TRUE;
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break;
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default:
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break;
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}
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gimp_image_update_guide (gdisp->gimage, move->guide);
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gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool));
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if (delete_guide)
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{
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gimp_image_delete_guide (gdisp->gimage, move->guide);
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move->guide = NULL;
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move->disp = NULL;
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}
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gimp_display_shell_selection_visibility (shell, GIMP_SELECTION_RESUME);
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gimp_image_flush (gdisp->gimage);
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if (move->guide)
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gimp_display_shell_draw_guide (shell, move->guide, TRUE);
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}
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else
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{
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/* Take care of the case where the user "cancels" the action */
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if (! (state & GDK_BUTTON3_MASK))
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{
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if (move->layer)
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{
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floating_sel_anchor (move->layer);
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gimp_image_flush (gdisp->gimage);
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}
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}
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}
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}
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static void
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gimp_move_tool_motion (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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GimpMoveTool *move;
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move = GIMP_MOVE_TOOL (tool);
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if (move->guide)
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{
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GimpDisplayShell *shell;
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gint tx, ty;
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shell = GIMP_DISPLAY_SHELL (gdisp->shell);
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gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
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gimp_display_shell_transform_xy (shell,
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coords->x, coords->y,
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&tx, &ty,
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FALSE);
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if (tx < 0 ||
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ty < 0 ||
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tx >= shell->disp_width ||
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ty >= shell->disp_height)
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{
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move->guide->position = -1;
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}
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else
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{
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if (move->guide->orientation == GIMP_ORIENTATION_HORIZONTAL)
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move->guide->position = ROUND (coords->y);
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else
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move->guide->position = ROUND (coords->x);
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}
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gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
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}
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}
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static void
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gimp_move_tool_modifier_key (GimpTool *tool,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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GimpMoveOptions *options;
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options = GIMP_MOVE_OPTIONS (tool->tool_info->tool_options);
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if (key == GDK_CONTROL_MASK)
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{
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g_object_set (G_OBJECT (options),
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"move-current", ! options->move_current,
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NULL);
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}
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else if (key == GDK_MOD1_MASK)
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{
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g_object_set (G_OBJECT (options),
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"move-mask", ! options->move_mask,
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NULL);
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}
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}
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static void
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gimp_move_tool_cursor_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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GimpMoveTool *move;
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GimpMoveOptions *options;
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GimpGuide *guide;
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GimpLayer *layer;
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move = GIMP_MOVE_TOOL (tool);
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options = GIMP_MOVE_OPTIONS (tool->tool_info->tool_options);
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if (options->move_mask && ! gimp_image_mask_is_empty (gdisp->gimage))
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{
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gimp_tool_set_cursor (tool, gdisp,
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GIMP_MOUSE_CURSOR,
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GIMP_RECT_SELECT_TOOL_CURSOR,
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GIMP_CURSOR_MODIFIER_MOVE);
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}
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else if (options->move_current)
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{
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gimp_tool_set_cursor (tool, gdisp,
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GIMP_MOUSE_CURSOR,
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GIMP_MOVE_TOOL_CURSOR,
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GIMP_CURSOR_MODIFIER_NONE);
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}
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else
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{
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if (gdisp->draw_guides &&
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(guide = gimp_image_find_guide (gdisp->gimage, coords->x, coords->y)))
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{
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tool->gdisp = gdisp;
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gimp_tool_set_cursor (tool, gdisp,
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GDK_HAND2,
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GIMP_TOOL_CURSOR_NONE,
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GIMP_CURSOR_MODIFIER_HAND);
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if (!gimp_tool_control_is_active (tool->control))
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{
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if (move->guide)
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{
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GimpDisplay *old_guide_gdisp;
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old_guide_gdisp = gdisplays_check_valid (move->disp,
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move->disp->gimage);
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if (old_guide_gdisp)
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{
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GimpDisplayShell *shell;
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shell = GIMP_DISPLAY_SHELL (old_guide_gdisp->shell);
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gimp_display_shell_draw_guide (shell, move->guide, FALSE);
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}
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}
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gimp_display_shell_draw_guide (GIMP_DISPLAY_SHELL (gdisp->shell),
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guide, TRUE);
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move->guide = guide;
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move->disp = gdisp;
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}
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}
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else if ((layer = gimp_image_pick_correlate_layer (gdisp->gimage,
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coords->x, coords->y)))
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{
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/* if there is a floating selection, and this aint it... */
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if (gimp_image_floating_sel (gdisp->gimage) &&
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! gimp_layer_is_floating_sel (layer))
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{
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gimp_tool_set_cursor (tool, gdisp,
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GIMP_MOUSE_CURSOR,
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GIMP_RECT_SELECT_TOOL_CURSOR,
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GIMP_CURSOR_MODIFIER_ANCHOR);
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}
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else if (layer == gimp_image_get_active_layer (gdisp->gimage))
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{
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gimp_tool_set_cursor (tool, gdisp,
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GIMP_MOUSE_CURSOR,
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GIMP_MOVE_TOOL_CURSOR,
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GIMP_CURSOR_MODIFIER_NONE);
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}
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else
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{
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|
gimp_tool_set_cursor (tool, gdisp,
|
|
GDK_HAND2,
|
|
GIMP_TOOL_CURSOR_NONE,
|
|
GIMP_CURSOR_MODIFIER_HAND);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
gimp_tool_set_cursor (tool, gdisp,
|
|
GIMP_BAD_CURSOR,
|
|
GIMP_MOVE_TOOL_CURSOR,
|
|
GIMP_CURSOR_MODIFIER_NONE);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_move_tool_draw (GimpDrawTool *draw_tool)
|
|
{
|
|
GimpMoveTool *move;
|
|
GimpTool *tool;
|
|
GimpGuide *guide;
|
|
|
|
move = GIMP_MOVE_TOOL (draw_tool);
|
|
tool = GIMP_TOOL (draw_tool);
|
|
|
|
guide = move->guide;
|
|
|
|
if (guide && guide->position != -1)
|
|
{
|
|
switch (guide->orientation)
|
|
{
|
|
case GIMP_ORIENTATION_HORIZONTAL:
|
|
gimp_draw_tool_draw_line (draw_tool,
|
|
0, guide->position,
|
|
tool->gdisp->gimage->width, guide->position,
|
|
FALSE);
|
|
break;
|
|
|
|
case GIMP_ORIENTATION_VERTICAL:
|
|
gimp_draw_tool_draw_line (draw_tool,
|
|
guide->position, 0,
|
|
guide->position, tool->gdisp->gimage->height,
|
|
FALSE);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
gimp_move_tool_start_hguide (GimpTool *tool,
|
|
GimpDisplay *gdisp)
|
|
{
|
|
gimp_move_tool_start_guide (tool, gdisp, GIMP_ORIENTATION_HORIZONTAL);
|
|
}
|
|
|
|
void
|
|
gimp_move_tool_start_vguide (GimpTool *tool,
|
|
GimpDisplay *gdisp)
|
|
{
|
|
gimp_move_tool_start_guide (tool, gdisp, GIMP_ORIENTATION_VERTICAL);
|
|
}
|
|
|
|
static void
|
|
gimp_move_tool_start_guide (GimpTool *tool,
|
|
GimpDisplay *gdisp,
|
|
GimpOrientationType orientation)
|
|
{
|
|
GimpMoveTool *move;
|
|
|
|
g_return_if_fail (GIMP_IS_MOVE_TOOL (tool));
|
|
g_return_if_fail (GIMP_IS_DISPLAY (gdisp));
|
|
|
|
move = GIMP_MOVE_TOOL (tool);
|
|
|
|
gimp_display_shell_selection_visibility (GIMP_DISPLAY_SHELL (gdisp->shell),
|
|
GIMP_SELECTION_PAUSE);
|
|
|
|
tool->gdisp = gdisp;
|
|
gimp_tool_control_activate (tool->control);
|
|
gimp_tool_control_set_scroll_lock (tool->control, TRUE);
|
|
|
|
if (move->guide && move->disp && move->disp->gimage)
|
|
gimp_display_shell_draw_guide (GIMP_DISPLAY_SHELL (move->disp->shell),
|
|
move->guide, FALSE);
|
|
|
|
switch (orientation)
|
|
{
|
|
case GIMP_ORIENTATION_HORIZONTAL:
|
|
move->guide = gimp_image_add_hguide (gdisp->gimage);
|
|
break;
|
|
|
|
case GIMP_ORIENTATION_VERTICAL:
|
|
move->guide = gimp_image_add_vguide (gdisp->gimage);
|
|
break;
|
|
|
|
default:
|
|
g_assert_not_reached ();
|
|
}
|
|
|
|
move->disp = gdisp;
|
|
|
|
undo_push_image_guide (gdisp->gimage, move->guide);
|
|
|
|
gimp_tool_set_cursor (tool, gdisp,
|
|
GDK_HAND2,
|
|
GIMP_TOOL_CURSOR_NONE,
|
|
GIMP_CURSOR_MODIFIER_HAND);
|
|
|
|
gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), gdisp);
|
|
}
|