mirror of https://github.com/GNOME/gimp.git
636 lines
22 KiB
C
636 lines
22 KiB
C
/* GIMP - The GNU 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <string.h>
|
|
|
|
#include <gegl.h>
|
|
#include <gtk/gtk.h>
|
|
|
|
#include "libgimpmath/gimpmath.h"
|
|
#include "libgimpwidgets/gimpwidgets.h"
|
|
|
|
#include "tools-types.h"
|
|
|
|
#include "config/gimpdisplayconfig.h"
|
|
#include "config/gimpguiconfig.h"
|
|
|
|
#include "core/gimp.h"
|
|
#include "core/gimp-cairo.h"
|
|
#include "core/gimpguide.h"
|
|
#include "core/gimpimage.h"
|
|
#include "core/gimpimage-pick-item.h"
|
|
#include "core/gimplayer.h"
|
|
#include "core/gimpimage-undo.h"
|
|
#include "core/gimplayermask.h"
|
|
#include "core/gimplayer-floating-selection.h"
|
|
#include "core/gimpundostack.h"
|
|
|
|
#include "widgets/gimphelp-ids.h"
|
|
#include "widgets/gimpwidgets-utils.h"
|
|
|
|
#include "display/gimpcanvasitem.h"
|
|
#include "display/gimpdisplay.h"
|
|
#include "display/gimpdisplayshell.h"
|
|
#include "display/gimpdisplayshell-appearance.h"
|
|
#include "display/gimpdisplayshell-selection.h"
|
|
#include "display/gimpdisplayshell-transform.h"
|
|
|
|
#include "gimpeditselectiontool.h"
|
|
#include "gimpguidetool.h"
|
|
#include "gimpmoveoptions.h"
|
|
#include "gimpmovetool.h"
|
|
#include "gimptoolcontrol.h"
|
|
|
|
#include "gimp-intl.h"
|
|
|
|
|
|
/* local function prototypes */
|
|
|
|
static void gimp_move_tool_button_press (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
guint32 time,
|
|
GdkModifierType state,
|
|
GimpButtonPressType press_type,
|
|
GimpDisplay *display);
|
|
static void gimp_move_tool_button_release (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
guint32 time,
|
|
GdkModifierType state,
|
|
GimpButtonReleaseType release_type,
|
|
GimpDisplay *display);
|
|
static gboolean gimp_move_tool_key_press (GimpTool *tool,
|
|
GdkEventKey *kevent,
|
|
GimpDisplay *display);
|
|
static void gimp_move_tool_modifier_key (GimpTool *tool,
|
|
GdkModifierType key,
|
|
gboolean press,
|
|
GdkModifierType state,
|
|
GimpDisplay *display);
|
|
static void gimp_move_tool_oper_update (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
GdkModifierType state,
|
|
gboolean proximity,
|
|
GimpDisplay *display);
|
|
static void gimp_move_tool_cursor_update (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
GdkModifierType state,
|
|
GimpDisplay *display);
|
|
|
|
static void gimp_move_tool_draw (GimpDrawTool *draw_tool);
|
|
|
|
|
|
G_DEFINE_TYPE (GimpMoveTool, gimp_move_tool, GIMP_TYPE_DRAW_TOOL)
|
|
|
|
#define parent_class gimp_move_tool_parent_class
|
|
|
|
|
|
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",
|
|
C_("tool", "Move"),
|
|
_("Move Tool: Move layers, selections, and other objects"),
|
|
N_("_Move"), "M",
|
|
NULL, GIMP_HELP_TOOL_MOVE,
|
|
GIMP_ICON_TOOL_MOVE,
|
|
data);
|
|
}
|
|
|
|
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);
|
|
|
|
tool_class->button_press = gimp_move_tool_button_press;
|
|
tool_class->button_release = gimp_move_tool_button_release;
|
|
tool_class->key_press = gimp_move_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);
|
|
|
|
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);
|
|
|
|
move_tool->floating_layer = NULL;
|
|
move_tool->guide = NULL;
|
|
|
|
move_tool->saved_type = GIMP_TRANSFORM_TYPE_LAYER;
|
|
|
|
move_tool->old_active_layer = NULL;
|
|
move_tool->old_active_vectors = NULL;
|
|
}
|
|
|
|
static void
|
|
gimp_move_tool_button_press (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
guint32 time,
|
|
GdkModifierType state,
|
|
GimpButtonPressType press_type,
|
|
GimpDisplay *display)
|
|
{
|
|
GimpMoveTool *move = GIMP_MOVE_TOOL (tool);
|
|
GimpMoveOptions *options = GIMP_MOVE_TOOL_GET_OPTIONS (tool);
|
|
GimpDisplayShell *shell = gimp_display_get_shell (display);
|
|
GimpImage *image = gimp_display_get_image (display);
|
|
GimpItem *active_item = NULL;
|
|
const gchar *null_message = NULL;
|
|
const gchar *locked_message = NULL;
|
|
|
|
tool->display = display;
|
|
|
|
move->floating_layer = NULL;
|
|
move->guide = NULL;
|
|
|
|
if (! options->move_current)
|
|
{
|
|
const gint snap_distance = display->config->snap_distance;
|
|
|
|
if (options->move_type == GIMP_TRANSFORM_TYPE_PATH)
|
|
{
|
|
GimpVectors *vectors;
|
|
|
|
vectors = gimp_image_pick_vectors (image,
|
|
coords->x, coords->y,
|
|
FUNSCALEX (shell, snap_distance),
|
|
FUNSCALEY (shell, snap_distance));
|
|
if (vectors)
|
|
{
|
|
move->old_active_vectors =
|
|
gimp_image_get_active_vectors (image);
|
|
|
|
gimp_image_set_active_vectors (image, vectors);
|
|
}
|
|
else
|
|
{
|
|
/* no path picked */
|
|
return;
|
|
}
|
|
}
|
|
else if (options->move_type == GIMP_TRANSFORM_TYPE_LAYER)
|
|
{
|
|
GimpGuide *guide;
|
|
GimpLayer *layer;
|
|
|
|
if (gimp_display_shell_get_show_guides (shell) &&
|
|
(guide = gimp_image_pick_guide (image,
|
|
coords->x, coords->y,
|
|
FUNSCALEX (shell, snap_distance),
|
|
FUNSCALEY (shell, snap_distance))))
|
|
{
|
|
move->guide = guide;
|
|
|
|
gimp_guide_tool_start_edit (tool, display, guide);
|
|
|
|
return;
|
|
}
|
|
else if ((layer = gimp_image_pick_layer (image,
|
|
coords->x,
|
|
coords->y)))
|
|
{
|
|
if (gimp_image_get_floating_selection (image) &&
|
|
! 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_get_floating_selection (image);
|
|
|
|
gimp_tool_control_activate (tool->control);
|
|
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
move->old_active_layer = gimp_image_get_active_layer (image);
|
|
|
|
gimp_image_set_active_layer (image, layer);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* no guide and no layer picked */
|
|
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
switch (options->move_type)
|
|
{
|
|
case GIMP_TRANSFORM_TYPE_PATH:
|
|
{
|
|
active_item = GIMP_ITEM (gimp_image_get_active_vectors (image));
|
|
null_message = _("There is no path to move.");
|
|
locked_message = _("The active path's position is locked.");
|
|
|
|
if (active_item && ! gimp_item_is_position_locked (active_item))
|
|
{
|
|
gimp_tool_control_activate (tool->control);
|
|
gimp_edit_selection_tool_start (tool, display, coords,
|
|
GIMP_TRANSLATE_MODE_VECTORS,
|
|
TRUE);
|
|
return;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case GIMP_TRANSFORM_TYPE_SELECTION:
|
|
{
|
|
active_item = GIMP_ITEM (gimp_image_get_mask (image));
|
|
/* cannot happen, so don't translate these messages */
|
|
null_message = "There is no selection to move.";
|
|
locked_message = "The selection's position is locked.";
|
|
|
|
if (active_item && ! gimp_item_is_position_locked (active_item))
|
|
{
|
|
if (! gimp_channel_is_empty (gimp_image_get_mask (image)))
|
|
{
|
|
gimp_tool_control_activate (tool->control);
|
|
gimp_edit_selection_tool_start (tool, display, coords,
|
|
GIMP_TRANSLATE_MODE_MASK,
|
|
TRUE);
|
|
return;
|
|
}
|
|
else
|
|
locked_message = _("The selection is empty.");
|
|
}
|
|
}
|
|
break;
|
|
|
|
case GIMP_TRANSFORM_TYPE_LAYER:
|
|
{
|
|
active_item = GIMP_ITEM (gimp_image_get_active_drawable (image));
|
|
null_message = _("There is no layer to move.");
|
|
|
|
if (GIMP_IS_LAYER_MASK (active_item))
|
|
{
|
|
locked_message = _("The active layer's position is locked.");
|
|
|
|
if (! gimp_item_is_position_locked (active_item))
|
|
{
|
|
gimp_tool_control_activate (tool->control);
|
|
gimp_edit_selection_tool_start (tool, display, coords,
|
|
GIMP_TRANSLATE_MODE_LAYER_MASK,
|
|
TRUE);
|
|
return;
|
|
}
|
|
}
|
|
else if (GIMP_IS_CHANNEL (active_item))
|
|
{
|
|
locked_message = _("The active channel's position is locked.");
|
|
|
|
if (! gimp_item_is_position_locked (active_item))
|
|
{
|
|
gimp_tool_control_activate (tool->control);
|
|
gimp_edit_selection_tool_start (tool, display, coords,
|
|
GIMP_TRANSLATE_MODE_CHANNEL,
|
|
TRUE);
|
|
return;
|
|
}
|
|
}
|
|
else if (GIMP_IS_LAYER (active_item))
|
|
{
|
|
locked_message = _("The active layer's position is locked.");
|
|
|
|
if (! gimp_item_is_position_locked (active_item))
|
|
{
|
|
gimp_tool_control_activate (tool->control);
|
|
gimp_edit_selection_tool_start (tool, display, coords,
|
|
GIMP_TRANSLATE_MODE_LAYER,
|
|
TRUE);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (! active_item)
|
|
{
|
|
gimp_tool_message_literal (tool, display, null_message);
|
|
gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, display);
|
|
}
|
|
else
|
|
{
|
|
gimp_tool_message_literal (tool, display, locked_message);
|
|
gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, display);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_move_tool_button_release (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
guint32 time,
|
|
GdkModifierType state,
|
|
GimpButtonReleaseType release_type,
|
|
GimpDisplay *display)
|
|
{
|
|
GimpMoveTool *move = GIMP_MOVE_TOOL (tool);
|
|
GimpGuiConfig *config = GIMP_GUI_CONFIG (display->gimp->config);
|
|
GimpImage *image = gimp_display_get_image (display);
|
|
gboolean flush = FALSE;
|
|
|
|
gimp_tool_control_halt (tool->control);
|
|
|
|
if (! config->move_tool_changes_active ||
|
|
(release_type == GIMP_BUTTON_RELEASE_CANCEL))
|
|
{
|
|
if (move->old_active_layer)
|
|
{
|
|
gimp_image_set_active_layer (image, move->old_active_layer);
|
|
move->old_active_layer = NULL;
|
|
|
|
flush = TRUE;
|
|
}
|
|
|
|
if (move->old_active_vectors)
|
|
{
|
|
gimp_image_set_active_vectors (image, move->old_active_vectors);
|
|
move->old_active_vectors = NULL;
|
|
|
|
flush = TRUE;
|
|
}
|
|
}
|
|
|
|
if (release_type != GIMP_BUTTON_RELEASE_CANCEL)
|
|
{
|
|
if (move->floating_layer)
|
|
{
|
|
floating_sel_anchor (move->floating_layer);
|
|
|
|
flush = TRUE;
|
|
}
|
|
}
|
|
|
|
if (flush)
|
|
gimp_image_flush (image);
|
|
}
|
|
|
|
static gboolean
|
|
gimp_move_tool_key_press (GimpTool *tool,
|
|
GdkEventKey *kevent,
|
|
GimpDisplay *display)
|
|
{
|
|
GimpMoveOptions *options = GIMP_MOVE_TOOL_GET_OPTIONS (tool);
|
|
|
|
return gimp_edit_selection_tool_translate (tool, kevent,
|
|
options->move_type,
|
|
display);
|
|
}
|
|
|
|
static void
|
|
gimp_move_tool_modifier_key (GimpTool *tool,
|
|
GdkModifierType key,
|
|
gboolean press,
|
|
GdkModifierType state,
|
|
GimpDisplay *display)
|
|
{
|
|
GimpMoveTool *move = GIMP_MOVE_TOOL (tool);
|
|
GimpMoveOptions *options = GIMP_MOVE_TOOL_GET_OPTIONS (tool);
|
|
|
|
if (key == gimp_get_extend_selection_mask ())
|
|
{
|
|
g_object_set (options, "move-current", ! options->move_current, NULL);
|
|
}
|
|
else if (key == GDK_MOD1_MASK ||
|
|
key == gimp_get_toggle_behavior_mask ())
|
|
{
|
|
GimpTransformType button_type;
|
|
|
|
button_type = options->move_type;
|
|
|
|
if (press)
|
|
{
|
|
if (key == (state & (GDK_MOD1_MASK |
|
|
gimp_get_toggle_behavior_mask ())))
|
|
{
|
|
/* first modifier pressed */
|
|
|
|
move->saved_type = options->move_type;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (! (state & (GDK_MOD1_MASK |
|
|
gimp_get_toggle_behavior_mask ())))
|
|
{
|
|
/* last modifier released */
|
|
|
|
button_type = move->saved_type;
|
|
}
|
|
}
|
|
|
|
if (state & GDK_MOD1_MASK)
|
|
{
|
|
button_type = GIMP_TRANSFORM_TYPE_SELECTION;
|
|
}
|
|
else if (state & gimp_get_toggle_behavior_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,
|
|
const GimpCoords *coords,
|
|
GdkModifierType state,
|
|
gboolean proximity,
|
|
GimpDisplay *display)
|
|
{
|
|
GimpMoveTool *move = GIMP_MOVE_TOOL (tool);
|
|
GimpMoveOptions *options = GIMP_MOVE_TOOL_GET_OPTIONS (tool);
|
|
GimpDisplayShell *shell = gimp_display_get_shell (display);
|
|
GimpImage *image = gimp_display_get_image (display);
|
|
GimpGuide *guide = NULL;
|
|
|
|
if (options->move_type == GIMP_TRANSFORM_TYPE_LAYER &&
|
|
! options->move_current &&
|
|
gimp_display_shell_get_show_guides (shell) &&
|
|
proximity)
|
|
{
|
|
gint snap_distance = display->config->snap_distance;
|
|
|
|
guide = gimp_image_pick_guide (image, coords->x, coords->y,
|
|
FUNSCALEX (shell, snap_distance),
|
|
FUNSCALEY (shell, snap_distance));
|
|
}
|
|
|
|
if (move->guide != guide)
|
|
{
|
|
GimpDrawTool *draw_tool = GIMP_DRAW_TOOL (tool);
|
|
|
|
gimp_draw_tool_pause (draw_tool);
|
|
|
|
if (gimp_draw_tool_is_active (draw_tool) &&
|
|
draw_tool->display != display)
|
|
gimp_draw_tool_stop (draw_tool);
|
|
|
|
move->guide = guide;
|
|
|
|
if (! gimp_draw_tool_is_active (draw_tool))
|
|
gimp_draw_tool_start (draw_tool, display);
|
|
|
|
gimp_draw_tool_resume (draw_tool);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_move_tool_cursor_update (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
GdkModifierType state,
|
|
GimpDisplay *display)
|
|
{
|
|
GimpMoveOptions *options = GIMP_MOVE_TOOL_GET_OPTIONS (tool);
|
|
GimpDisplayShell *shell = gimp_display_get_shell (display);
|
|
GimpImage *image = gimp_display_get_image (display);
|
|
GimpCursorType cursor = GIMP_CURSOR_MOUSE;
|
|
GimpToolCursorType tool_cursor = GIMP_TOOL_CURSOR_MOVE;
|
|
GimpCursorModifier modifier = GIMP_CURSOR_MODIFIER_NONE;
|
|
gint snap_distance = display->config->snap_distance;
|
|
|
|
if (options->move_type == GIMP_TRANSFORM_TYPE_PATH)
|
|
{
|
|
tool_cursor = GIMP_TOOL_CURSOR_PATHS;
|
|
modifier = GIMP_CURSOR_MODIFIER_MOVE;
|
|
|
|
if (options->move_current)
|
|
{
|
|
GimpItem *item = GIMP_ITEM (gimp_image_get_active_vectors (image));
|
|
|
|
if (! item || gimp_item_is_position_locked (item))
|
|
modifier = GIMP_CURSOR_MODIFIER_BAD;
|
|
}
|
|
else
|
|
{
|
|
if (gimp_image_pick_vectors (image,
|
|
coords->x, coords->y,
|
|
FUNSCALEX (shell, snap_distance),
|
|
FUNSCALEY (shell, snap_distance)))
|
|
{
|
|
tool_cursor = GIMP_TOOL_CURSOR_HAND;
|
|
}
|
|
else
|
|
{
|
|
modifier = GIMP_CURSOR_MODIFIER_BAD;
|
|
}
|
|
}
|
|
}
|
|
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 (image)))
|
|
modifier = GIMP_CURSOR_MODIFIER_BAD;
|
|
}
|
|
else if (options->move_current)
|
|
{
|
|
GimpItem *item = GIMP_ITEM (gimp_image_get_active_drawable (image));
|
|
|
|
if (! item || gimp_item_is_position_locked (item))
|
|
modifier = GIMP_CURSOR_MODIFIER_BAD;
|
|
}
|
|
else
|
|
{
|
|
GimpLayer *layer;
|
|
|
|
if (gimp_display_shell_get_show_guides (shell) &&
|
|
gimp_image_pick_guide (image, coords->x, coords->y,
|
|
FUNSCALEX (shell, snap_distance),
|
|
FUNSCALEY (shell, snap_distance)))
|
|
{
|
|
tool_cursor = GIMP_TOOL_CURSOR_HAND;
|
|
modifier = GIMP_CURSOR_MODIFIER_MOVE;
|
|
}
|
|
else if ((layer = gimp_image_pick_layer (image,
|
|
coords->x, coords->y)))
|
|
{
|
|
/* if there is a floating selection, and this aint it... */
|
|
if (gimp_image_get_floating_selection (image) &&
|
|
! gimp_layer_is_floating_sel (layer))
|
|
{
|
|
tool_cursor = GIMP_TOOL_CURSOR_MOVE;
|
|
modifier = GIMP_CURSOR_MODIFIER_ANCHOR;
|
|
}
|
|
else if (gimp_item_is_position_locked (GIMP_ITEM (layer)))
|
|
{
|
|
modifier = GIMP_CURSOR_MODIFIER_BAD;
|
|
}
|
|
else if (layer != gimp_image_get_active_layer (image))
|
|
{
|
|
tool_cursor = GIMP_TOOL_CURSOR_HAND;
|
|
modifier = GIMP_CURSOR_MODIFIER_MOVE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
modifier = GIMP_CURSOR_MODIFIER_BAD;
|
|
}
|
|
}
|
|
|
|
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, display);
|
|
}
|
|
|
|
static void
|
|
gimp_move_tool_draw (GimpDrawTool *draw_tool)
|
|
{
|
|
GimpMoveTool *move = GIMP_MOVE_TOOL (draw_tool);
|
|
|
|
if (move->guide)
|
|
{
|
|
GimpCanvasItem *item;
|
|
GimpGuideStyle style;
|
|
|
|
style = gimp_guide_get_style (move->guide);
|
|
|
|
item = gimp_draw_tool_add_guide (draw_tool,
|
|
gimp_guide_get_orientation (move->guide),
|
|
gimp_guide_get_position (move->guide),
|
|
style);
|
|
gimp_canvas_item_set_highlight (item, TRUE);
|
|
}
|
|
}
|