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gimp/app/tools/gimpmovetool.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "config/gimpdisplayconfig.h"
#include "config/gimpguiconfig.h"
#include "core/gimp.h"
#include "core/gimpimage.h"
#include "core/gimpimage-guides.h"
#include "core/gimplayer.h"
#include "core/gimplayermask.h"
#include "core/gimplayer-floating-sel.h"
#include "core/gimptoolinfo.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "display/gimpdisplayshell-appearance.h"
#include "display/gimpdisplayshell-draw.h"
#include "display/gimpdisplayshell-transform.h"
#include "widgets/gimphelp-ids.h"
#include "gimpeditselectiontool.h"
#include "gimpmoveoptions.h"
#include "gimpmovetool.h"
#include "gimptoolcontrol.h"
#include "gimp-intl.h"
#define SWAP_ORIENT(orient) ((orient) == GIMP_ORIENTATION_HORIZONTAL ? \
GIMP_ORIENTATION_VERTICAL : \
GIMP_ORIENTATION_HORIZONTAL)
/* local function prototypes */
static void gimp_move_tool_class_init (GimpMoveToolClass *klass);
static void gimp_move_tool_init (GimpMoveTool *move_tool);
static void gimp_move_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *gdisp);
static void gimp_move_tool_button_press (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_move_tool_button_release (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_move_tool_motion (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_move_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_move_tool_oper_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_move_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_move_tool_draw (GimpDrawTool *draw_tool);
static void gimp_move_tool_start_guide (GimpMoveTool *move,
GimpDisplay *gdisp,
GimpOrientationType orientation);
static GimpDrawToolClass *parent_class = NULL;
void
gimp_move_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_MOVE_TOOL,
GIMP_TYPE_MOVE_OPTIONS,
gimp_move_options_gui,
0,
"gimp-move-tool",
_("Move"),
_("Move layers & selections"),
N_("_Move"), "M",
NULL, GIMP_HELP_TOOL_MOVE,
GIMP_STOCK_TOOL_MOVE,
data);
}
GType
gimp_move_tool_get_type (void)
{
static GType tool_type = 0;
if (! tool_type)
{
static const GTypeInfo tool_info =
{
sizeof (GimpMoveToolClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_move_tool_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpMoveTool),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_move_tool_init,
};
tool_type = g_type_register_static (GIMP_TYPE_DRAW_TOOL,
"GimpMoveTool",
&tool_info, 0);
}
return tool_type;
}
static void
gimp_move_tool_class_init (GimpMoveToolClass *klass)
{
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
GimpDrawToolClass *draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
tool_class->control = gimp_move_tool_control;
tool_class->button_press = gimp_move_tool_button_press;
tool_class->button_release = gimp_move_tool_button_release;
tool_class->motion = gimp_move_tool_motion;
tool_class->key_press = gimp_edit_selection_tool_key_press;
tool_class->modifier_key = gimp_move_tool_modifier_key;
tool_class->oper_update = gimp_move_tool_oper_update;
tool_class->cursor_update = gimp_move_tool_cursor_update;
draw_tool_class->draw = gimp_move_tool_draw;
}
static void
gimp_move_tool_init (GimpMoveTool *move_tool)
{
GimpTool *tool = GIMP_TOOL (move_tool);
move_tool->floating_layer = NULL;
move_tool->guide = NULL;
move_tool->moving_guide = FALSE;
move_tool->guide_position = -1;
move_tool->guide_orientation = GIMP_ORIENTATION_UNKNOWN;
move_tool->saved_type = GIMP_TRANSFORM_TYPE_LAYER;
move_tool->old_active_layer = NULL;
move_tool->old_active_vectors = NULL;
gimp_tool_control_set_snap_to (tool->control, FALSE);
gimp_tool_control_set_handle_empty_image (tool->control, TRUE);
gimp_tool_control_set_tool_cursor (tool->control,
GIMP_TOOL_CURSOR_MOVE);
}
static void
gimp_move_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *gdisp)
{
GimpMoveTool *move = GIMP_MOVE_TOOL (tool);
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (gdisp->shell);
switch (action)
{
case PAUSE:
break;
case RESUME:
if (move->guide &&
gimp_display_shell_get_show_guides (GIMP_DISPLAY_SHELL (shell)))
gimp_display_shell_draw_guide (GIMP_DISPLAY_SHELL (shell),
move->guide, TRUE);
break;
case HALT:
if (move->guide &&
gimp_display_shell_get_show_guides (GIMP_DISPLAY_SHELL (shell)))
gimp_display_shell_draw_guide (GIMP_DISPLAY_SHELL (shell),
move->guide, FALSE);
break;
default:
break;
}
GIMP_TOOL_CLASS (parent_class)->control (tool, action, gdisp);
}
static void
gimp_move_tool_button_press (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpMoveTool *move = GIMP_MOVE_TOOL (tool);
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (gdisp->shell);
GimpMoveOptions *options = GIMP_MOVE_OPTIONS (tool->tool_info->tool_options);
tool->gdisp = gdisp;
move->floating_layer = NULL;
move->guide = NULL;
move->moving_guide = FALSE;
move->old_active_layer = NULL;
move->old_active_vectors = NULL;
if (! options->move_current)
{
if (options->move_type == GIMP_TRANSFORM_TYPE_PATH)
{
GimpVectors *vectors;
if (gimp_draw_tool_on_vectors (GIMP_DRAW_TOOL (tool), gdisp,
coords, 7, 7,
NULL, NULL, NULL, NULL, NULL,
&vectors))
{
move->old_active_vectors =
gimp_image_get_active_vectors (gdisp->gimage);
gimp_image_set_active_vectors (gdisp->gimage, vectors);
}
else
{
/* no path picked */
return;
}
}
else if (options->move_type == GIMP_TRANSFORM_TYPE_LAYER)
{
GimpGuide *guide;
GimpLayer *layer;
gint snap_distance;
snap_distance =
GIMP_DISPLAY_CONFIG (gdisp->gimage->gimp->config)->snap_distance;
if (gimp_display_shell_get_show_guides (shell) &&
(guide = gimp_image_find_guide (gdisp->gimage,
coords->x, coords->y,
FUNSCALEX (shell, snap_distance),
FUNSCALEY (shell, snap_distance))))
{
move->guide = guide;
move->moving_guide = TRUE;
move->guide_position = guide->position;
move->guide_orientation = guide->orientation;
gimp_tool_control_set_scroll_lock (tool->control, TRUE);
gimp_tool_control_activate (tool->control);
gimp_display_shell_selection_visibility (shell,
GIMP_SELECTION_PAUSE);
gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), gdisp);
gimp_tool_push_status_length (tool, gdisp,
_("Move Guide: "),
SWAP_ORIENT (move->guide_orientation),
move->guide_position);
return;
}
else if ((layer = gimp_image_pick_correlate_layer (gdisp->gimage,
coords->x,
coords->y)))
{
if (gimp_image_floating_sel (gdisp->gimage) &&
! gimp_layer_is_floating_sel (layer))
{
/* If there is a floating selection, and this aint it,
* use the move tool to anchor it.
*/
move->floating_layer = gimp_image_floating_sel (gdisp->gimage);
gimp_tool_control_activate (tool->control);
return;
}
else
{
move->old_active_layer =
gimp_image_get_active_layer (gdisp->gimage);
gimp_image_set_active_layer (gdisp->gimage, layer);
}
}
else
{
/* no guide and no layer picked */
return;
}
}
}
switch (options->move_type)
{
case GIMP_TRANSFORM_TYPE_PATH:
if (gimp_image_get_active_vectors (gdisp->gimage))
gimp_edit_selection_tool_start (tool, gdisp, coords,
GIMP_TRANSLATE_MODE_VECTORS, TRUE);
break;
case GIMP_TRANSFORM_TYPE_SELECTION:
if (! gimp_channel_is_empty (gimp_image_get_mask (gdisp->gimage)))
gimp_edit_selection_tool_start (tool, gdisp, coords,
GIMP_TRANSLATE_MODE_MASK, TRUE);
break;
case GIMP_TRANSFORM_TYPE_LAYER:
{
GimpDrawable *drawable = gimp_image_active_drawable (gdisp->gimage);
if (GIMP_IS_LAYER_MASK (drawable))
gimp_edit_selection_tool_start (tool, gdisp, coords,
GIMP_TRANSLATE_MODE_LAYER_MASK, TRUE);
else if (GIMP_IS_CHANNEL (drawable))
gimp_edit_selection_tool_start (tool, gdisp, coords,
GIMP_TRANSLATE_MODE_CHANNEL, TRUE);
else if (GIMP_IS_LAYER (drawable))
gimp_edit_selection_tool_start (tool, gdisp, coords,
GIMP_TRANSLATE_MODE_LAYER, TRUE);
}
break;
}
}
static void
gimp_move_tool_button_release (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpMoveTool *move = GIMP_MOVE_TOOL (tool);
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (gdisp->shell);
GimpGuiConfig *config = GIMP_GUI_CONFIG (gdisp->gimage->gimp->config);
if (gimp_tool_control_is_active (tool->control))
gimp_tool_control_halt (tool->control);
if (move->moving_guide)
{
gboolean delete_guide = FALSE;
gint x, y, width, height;
gimp_tool_pop_status (tool, gdisp);
gimp_tool_control_set_scroll_lock (tool->control, FALSE);
gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool));
if (state & GDK_BUTTON3_MASK)
{
move->moving_guide = FALSE;
move->guide_position = -1;
move->guide_orientation = GIMP_ORIENTATION_UNKNOWN;
gimp_display_shell_selection_visibility (shell,
GIMP_SELECTION_RESUME);
return;
}
gimp_display_shell_untransform_viewport (shell, &x, &y, &width, &height);
switch (move->guide_orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
if ((move->guide_position < y) ||
(move->guide_position > (y + height)))
delete_guide = TRUE;
break;
case GIMP_ORIENTATION_VERTICAL:
if ((move->guide_position < x) ||
(move->guide_position > (x + width)))
delete_guide = TRUE;
break;
default:
break;
}
if (delete_guide)
{
if (move->guide)
{
gimp_image_remove_guide (gdisp->gimage, move->guide, TRUE);
move->guide = NULL;
}
}
else
{
if (move->guide)
{
gimp_image_move_guide (gdisp->gimage, move->guide,
move->guide_position, TRUE);
}
else
{
switch (move->guide_orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
move->guide = gimp_image_add_hguide (gdisp->gimage,
move->guide_position,
TRUE);
break;
case GIMP_ORIENTATION_VERTICAL:
move->guide = gimp_image_add_vguide (gdisp->gimage,
move->guide_position,
TRUE);
break;
default:
g_assert_not_reached ();
}
}
}
gimp_display_shell_selection_visibility (shell, GIMP_SELECTION_RESUME);
gimp_image_flush (gdisp->gimage);
if (move->guide)
gimp_display_shell_draw_guide (shell, move->guide, TRUE);
move->moving_guide = FALSE;
move->guide_position = -1;
move->guide_orientation = GIMP_ORIENTATION_UNKNOWN;
}
else
{
if (! config->move_tool_changes_active || (state & GDK_BUTTON3_MASK))
{
if (move->old_active_layer)
{
gimp_image_set_active_layer (gdisp->gimage,
move->old_active_layer);
move->old_active_layer = NULL;
}
if (move->old_active_vectors)
{
gimp_image_set_active_vectors (gdisp->gimage,
move->old_active_vectors);
move->old_active_vectors = NULL;
}
}
/* Take care of the case where the user "cancels" the action */
if (! (state & GDK_BUTTON3_MASK))
{
if (move->floating_layer)
{
floating_sel_anchor (move->floating_layer);
gimp_image_flush (gdisp->gimage);
}
}
}
}
static void
gimp_move_tool_motion (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpMoveTool *move = GIMP_MOVE_TOOL (tool);
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (gdisp->shell);
if (move->moving_guide)
{
gint tx, ty;
gboolean delete_guide = FALSE;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
gimp_display_shell_transform_xy (shell,
coords->x, coords->y,
&tx, &ty,
FALSE);
if (tx < 0 || tx >= shell->disp_width ||
ty < 0 || ty >= shell->disp_height)
{
move->guide_position = -1;
delete_guide = TRUE;
}
else
{
gint x, y, width, height;
if (move->guide_orientation == GIMP_ORIENTATION_HORIZONTAL)
move->guide_position = RINT (coords->y);
else
move->guide_position = RINT (coords->x);
gimp_display_shell_untransform_viewport (shell, &x, &y,
&width, &height);
switch (move->guide_orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
if ((move->guide_position < y) ||
(move->guide_position > (y + height)))
delete_guide = TRUE;
break;
case GIMP_ORIENTATION_VERTICAL:
if ((move->guide_position < x) ||
(move->guide_position > (x + width)))
delete_guide = TRUE;
break;
default:
break;
}
}
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
gimp_tool_pop_status (tool, gdisp);
if (delete_guide)
{
gimp_tool_push_status (tool, gdisp,
move->guide ?
_("Remove Guide") : _("Cancel Guide"));
}
else
{
gimp_tool_push_status_length (tool, gdisp,
move->guide ?
_("Move Guide: ") : _("Add Guide: "),
SWAP_ORIENT (move->guide_orientation),
move->guide_position);
}
}
}
static void
gimp_move_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpMoveTool *move = GIMP_MOVE_TOOL (tool);
GimpMoveOptions *options = GIMP_MOVE_OPTIONS (tool->tool_info->tool_options);
if (key == GDK_SHIFT_MASK)
{
g_object_set (options, "move-current", ! options->move_current, NULL);
}
else if (key == GDK_MOD1_MASK || key == GDK_CONTROL_MASK)
{
GimpTransformType button_type;
button_type = options->move_type;
if (press)
{
if (key == (state & (GDK_MOD1_MASK | GDK_CONTROL_MASK)))
{
/* first modifier pressed */
move->saved_type = options->move_type;
}
}
else
{
if (! (state & (GDK_MOD1_MASK | GDK_CONTROL_MASK)))
{
/* last modifier released */
button_type = move->saved_type;
}
}
if (state & GDK_MOD1_MASK)
{
button_type = GIMP_TRANSFORM_TYPE_SELECTION;
}
else if (state & GDK_CONTROL_MASK)
{
button_type = GIMP_TRANSFORM_TYPE_PATH;
}
if (button_type != options->move_type)
{
g_object_set (options, "move-type", button_type, NULL);
}
}
}
static void
gimp_move_tool_oper_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpMoveTool *move = GIMP_MOVE_TOOL (tool);
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (gdisp->shell);
GimpMoveOptions *options = GIMP_MOVE_OPTIONS (tool->tool_info->tool_options);
GimpGuide *guide = NULL;
if (options->move_type == GIMP_TRANSFORM_TYPE_LAYER &&
! options->move_current &&
gimp_display_shell_get_show_guides (shell) &&
shell->proximity)
{
gint snap_distance;
snap_distance =
GIMP_DISPLAY_CONFIG (gdisp->gimage->gimp->config)->snap_distance;
guide = gimp_image_find_guide (gdisp->gimage, coords->x, coords->y,
FUNSCALEX (shell, snap_distance),
FUNSCALEY (shell, snap_distance));
}
if (move->guide && move->guide != guide)
gimp_display_shell_draw_guide (shell, move->guide, FALSE);
move->guide = guide;
if (move->guide)
gimp_display_shell_draw_guide (shell, move->guide, TRUE);
}
static void
gimp_move_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (gdisp->shell);
GimpMoveOptions *options = GIMP_MOVE_OPTIONS (tool->tool_info->tool_options);
GimpCursorType cursor = GIMP_CURSOR_BAD;
GimpToolCursorType tool_cursor = GIMP_TOOL_CURSOR_MOVE;
GimpCursorModifier modifier = GIMP_CURSOR_MODIFIER_NONE;
if (options->move_type == GIMP_TRANSFORM_TYPE_PATH)
{
tool_cursor = GIMP_TOOL_CURSOR_PATHS;
modifier = GIMP_CURSOR_MODIFIER_MOVE;
if (options->move_current)
{
if (gimp_image_get_active_vectors (gdisp->gimage))
cursor = GIMP_CURSOR_MOUSE;
}
else
{
if (gimp_draw_tool_on_vectors (GIMP_DRAW_TOOL (tool), gdisp,
coords, 7, 7,
NULL, NULL, NULL, NULL, NULL, NULL))
{
cursor = GIMP_CURSOR_MOUSE;
tool_cursor = GIMP_TOOL_CURSOR_HAND;
}
}
}
else if (options->move_type == GIMP_TRANSFORM_TYPE_SELECTION)
{
tool_cursor = GIMP_TOOL_CURSOR_RECT_SELECT;
modifier = GIMP_CURSOR_MODIFIER_MOVE;
if (! gimp_channel_is_empty (gimp_image_get_mask (gdisp->gimage)))
cursor = GIMP_CURSOR_MOUSE;
}
else if (options->move_current)
{
if (gimp_image_active_drawable (gdisp->gimage))
cursor = GIMP_CURSOR_MOUSE;
}
else
{
GimpGuide *guide;
GimpLayer *layer;
gint snap_distance;
snap_distance =
GIMP_DISPLAY_CONFIG (gdisp->gimage->gimp->config)->snap_distance;
if (gimp_display_shell_get_show_guides (shell) &&
(guide = gimp_image_find_guide (gdisp->gimage, coords->x, coords->y,
FUNSCALEX (shell, snap_distance),
FUNSCALEY (shell, snap_distance))))
{
cursor = GIMP_CURSOR_MOUSE;
tool_cursor = GIMP_TOOL_CURSOR_HAND;
modifier = GIMP_CURSOR_MODIFIER_MOVE;
}
else if ((layer = gimp_image_pick_correlate_layer (gdisp->gimage,
coords->x, coords->y)))
{
/* if there is a floating selection, and this aint it... */
if (gimp_image_floating_sel (gdisp->gimage) &&
! gimp_layer_is_floating_sel (layer))
{
cursor = GIMP_CURSOR_MOUSE;
tool_cursor = GIMP_TOOL_CURSOR_MOVE;
modifier = GIMP_CURSOR_MODIFIER_ANCHOR;
}
else if (layer == gimp_image_get_active_layer (gdisp->gimage))
{
cursor = GIMP_CURSOR_MOUSE;
}
else
{
cursor = GIMP_CURSOR_MOUSE;
tool_cursor = GIMP_TOOL_CURSOR_HAND;
modifier = GIMP_CURSOR_MODIFIER_MOVE;
}
}
}
gimp_tool_control_set_cursor (tool->control, cursor);
gimp_tool_control_set_tool_cursor (tool->control, tool_cursor);
gimp_tool_control_set_cursor_modifier (tool->control, modifier);
GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, gdisp);
}
static void
gimp_move_tool_draw (GimpDrawTool *draw_tool)
{
GimpMoveTool *move = GIMP_MOVE_TOOL (draw_tool);
if (move->moving_guide && move->guide_position != -1)
{
switch (move->guide_orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
gimp_draw_tool_draw_line (draw_tool,
0, move->guide_position,
draw_tool->gdisp->gimage->width,
move->guide_position,
FALSE);
break;
case GIMP_ORIENTATION_VERTICAL:
gimp_draw_tool_draw_line (draw_tool,
move->guide_position, 0,
move->guide_position,
draw_tool->gdisp->gimage->height,
FALSE);
break;
default:
g_assert_not_reached ();
}
}
}
void
gimp_move_tool_start_hguide (GimpTool *tool,
GimpDisplay *gdisp)
{
g_return_if_fail (GIMP_IS_MOVE_TOOL (tool));
g_return_if_fail (GIMP_IS_DISPLAY (gdisp));
gimp_move_tool_start_guide (GIMP_MOVE_TOOL (tool), gdisp,
GIMP_ORIENTATION_HORIZONTAL);
}
void
gimp_move_tool_start_vguide (GimpTool *tool,
GimpDisplay *gdisp)
{
g_return_if_fail (GIMP_IS_MOVE_TOOL (tool));
g_return_if_fail (GIMP_IS_DISPLAY (gdisp));
gimp_move_tool_start_guide (GIMP_MOVE_TOOL (tool), gdisp,
GIMP_ORIENTATION_VERTICAL);
}
static void
gimp_move_tool_start_guide (GimpMoveTool *move,
GimpDisplay *gdisp,
GimpOrientationType orientation)
{
GimpTool *tool = GIMP_TOOL (move);
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)
gimp_display_shell_draw_guide (GIMP_DISPLAY_SHELL (gdisp->shell),
move->guide, FALSE);
move->guide = NULL;
move->moving_guide = TRUE;
move->guide_position = -1;
move->guide_orientation = orientation;
gimp_tool_set_cursor (tool, gdisp,
GIMP_CURSOR_MOUSE,
GIMP_TOOL_CURSOR_HAND,
GIMP_CURSOR_MODIFIER_MOVE);
gimp_draw_tool_start (GIMP_DRAW_TOOL (move), gdisp);
}
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