d27b7a985c
- Add a "display" parameter and ignore tool->display - Require the tool to be inactive, not active when calling it This exactly matches all its use cases, which is "delegate to GimpEditSelection tool if we are not doing anything ourselves", and enables removing all delegate_button_press() functions because they became one-liners after adapting to this change.
431 lines
14 KiB
C
431 lines
14 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 <gegl.h>
|
|
#include <gtk/gtk.h>
|
|
|
|
#include "libgimpwidgets/gimpwidgets.h"
|
|
|
|
#include "tools-types.h"
|
|
|
|
#include "core/gimpchannel.h"
|
|
#include "core/gimpimage.h"
|
|
#include "core/gimpimage-pick-layer.h"
|
|
#include "core/gimppickable.h"
|
|
|
|
#include "display/gimpdisplay.h"
|
|
|
|
#include "widgets/gimpwidgets-utils.h"
|
|
|
|
#include "gimpeditselectiontool.h"
|
|
#include "gimpselectiontool.h"
|
|
#include "gimpselectionoptions.h"
|
|
#include "gimptoolcontrol.h"
|
|
|
|
#include "gimp-intl.h"
|
|
|
|
|
|
static void gimp_selection_tool_modifier_key (GimpTool *tool,
|
|
GdkModifierType key,
|
|
gboolean press,
|
|
GdkModifierType state,
|
|
GimpDisplay *display);
|
|
static void gimp_selection_tool_oper_update (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
GdkModifierType state,
|
|
gboolean proximity,
|
|
GimpDisplay *display);
|
|
static void gimp_selection_tool_cursor_update (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
GdkModifierType state,
|
|
GimpDisplay *display);
|
|
|
|
|
|
G_DEFINE_TYPE (GimpSelectionTool, gimp_selection_tool, GIMP_TYPE_DRAW_TOOL)
|
|
|
|
#define parent_class gimp_selection_tool_parent_class
|
|
|
|
|
|
static void
|
|
gimp_selection_tool_class_init (GimpSelectionToolClass *klass)
|
|
{
|
|
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
|
|
|
|
tool_class->modifier_key = gimp_selection_tool_modifier_key;
|
|
tool_class->key_press = gimp_edit_selection_tool_key_press;
|
|
tool_class->oper_update = gimp_selection_tool_oper_update;
|
|
tool_class->cursor_update = gimp_selection_tool_cursor_update;
|
|
}
|
|
|
|
static void
|
|
gimp_selection_tool_init (GimpSelectionTool *selection_tool)
|
|
{
|
|
selection_tool->function = SELECTION_SELECT;
|
|
selection_tool->saved_operation = GIMP_CHANNEL_OP_REPLACE;
|
|
|
|
selection_tool->allow_move = TRUE;
|
|
}
|
|
|
|
static void
|
|
gimp_selection_tool_modifier_key (GimpTool *tool,
|
|
GdkModifierType key,
|
|
gboolean press,
|
|
GdkModifierType state,
|
|
GimpDisplay *display)
|
|
{
|
|
GimpSelectionTool *selection_tool = GIMP_SELECTION_TOOL (tool);
|
|
GimpSelectionOptions *options;
|
|
|
|
options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
|
|
|
|
if (key == GDK_SHIFT_MASK ||
|
|
key == GDK_CONTROL_MASK ||
|
|
key == GDK_MOD1_MASK)
|
|
{
|
|
GimpChannelOps button_op = options->operation;
|
|
|
|
if (press)
|
|
{
|
|
if (key == (state & (GDK_SHIFT_MASK |
|
|
GDK_CONTROL_MASK |
|
|
GDK_MOD1_MASK)))
|
|
{
|
|
/* first modifier pressed */
|
|
|
|
selection_tool->saved_operation = options->operation;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (! (state & (GDK_SHIFT_MASK |
|
|
GDK_CONTROL_MASK |
|
|
GDK_MOD1_MASK)))
|
|
{
|
|
/* last modifier released */
|
|
|
|
button_op = selection_tool->saved_operation;
|
|
}
|
|
}
|
|
|
|
if (state & GDK_MOD1_MASK)
|
|
{
|
|
/* if alt is down, pretend that neither
|
|
* shift nor control are down
|
|
*/
|
|
button_op = selection_tool->saved_operation;
|
|
}
|
|
else if ((state & GDK_CONTROL_MASK) && (state & GDK_SHIFT_MASK))
|
|
{
|
|
button_op = GIMP_CHANNEL_OP_INTERSECT;
|
|
}
|
|
else if (state & GDK_SHIFT_MASK)
|
|
{
|
|
button_op = GIMP_CHANNEL_OP_ADD;
|
|
}
|
|
else if (state & GDK_CONTROL_MASK)
|
|
{
|
|
button_op = GIMP_CHANNEL_OP_SUBTRACT;
|
|
}
|
|
|
|
if (button_op != options->operation)
|
|
{
|
|
g_object_set (options, "operation", button_op, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_selection_tool_oper_update (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
GdkModifierType state,
|
|
gboolean proximity,
|
|
GimpDisplay *display)
|
|
{
|
|
GimpSelectionTool *selection_tool = GIMP_SELECTION_TOOL (tool);
|
|
GimpSelectionOptions *options;
|
|
GimpImage *image;
|
|
GimpChannel *selection;
|
|
GimpDrawable *drawable;
|
|
GimpLayer *layer;
|
|
GimpLayer *floating_sel;
|
|
gboolean move_layer = FALSE;
|
|
gboolean move_floating_sel = FALSE;
|
|
gboolean selection_empty;
|
|
|
|
options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
|
|
|
|
image = gimp_display_get_image (display);
|
|
selection = gimp_image_get_mask (image);
|
|
drawable = gimp_image_get_active_drawable (image);
|
|
layer = gimp_image_pick_layer (image, coords->x, coords->y);
|
|
floating_sel = gimp_image_get_floating_selection (image);
|
|
|
|
if (drawable)
|
|
{
|
|
if (floating_sel)
|
|
{
|
|
if (layer == floating_sel)
|
|
move_floating_sel = TRUE;
|
|
}
|
|
else if (gimp_item_mask_intersect (GIMP_ITEM (drawable),
|
|
NULL, NULL, NULL, NULL))
|
|
{
|
|
move_layer = TRUE;
|
|
}
|
|
}
|
|
|
|
selection_empty = gimp_channel_is_empty (selection);
|
|
|
|
selection_tool->function = SELECTION_SELECT;
|
|
|
|
if (selection_tool->allow_move &&
|
|
(state & GDK_MOD1_MASK) && (state & GDK_CONTROL_MASK) && move_layer)
|
|
{
|
|
/* move the selection */
|
|
selection_tool->function = SELECTION_MOVE;
|
|
}
|
|
else if (selection_tool->allow_move &&
|
|
(state & GDK_MOD1_MASK) && (state & GDK_SHIFT_MASK) && move_layer)
|
|
{
|
|
/* move a copy of the selection */
|
|
selection_tool->function = SELECTION_MOVE_COPY;
|
|
}
|
|
else if (selection_tool->allow_move &&
|
|
(state & GDK_MOD1_MASK) && ! selection_empty)
|
|
{
|
|
/* move the selection mask */
|
|
selection_tool->function = SELECTION_MOVE_MASK;
|
|
}
|
|
else if (selection_tool->allow_move &&
|
|
! (state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) &&
|
|
move_floating_sel)
|
|
{
|
|
/* move the selection */
|
|
selection_tool->function = SELECTION_MOVE;
|
|
}
|
|
else if ((state & GDK_CONTROL_MASK) || (state & GDK_SHIFT_MASK))
|
|
{
|
|
/* select */
|
|
selection_tool->function = SELECTION_SELECT;
|
|
}
|
|
else if (floating_sel)
|
|
{
|
|
/* anchor the selection */
|
|
selection_tool->function = SELECTION_ANCHOR;
|
|
}
|
|
|
|
gimp_tool_pop_status (tool, display);
|
|
|
|
if (proximity)
|
|
{
|
|
const gchar *status = NULL;
|
|
gboolean free_status = FALSE;
|
|
GdkModifierType modifiers = (GDK_SHIFT_MASK | GDK_CONTROL_MASK);
|
|
|
|
if (! selection_empty)
|
|
modifiers |= GDK_MOD1_MASK;
|
|
|
|
switch (selection_tool->function)
|
|
{
|
|
case SELECTION_SELECT:
|
|
switch (options->operation)
|
|
{
|
|
case GIMP_CHANNEL_OP_REPLACE:
|
|
if (! selection_empty)
|
|
{
|
|
status = gimp_suggest_modifiers (_("Click-Drag to replace the "
|
|
"current selection"),
|
|
modifiers & ~state,
|
|
NULL, NULL, NULL);
|
|
free_status = TRUE;
|
|
}
|
|
else
|
|
{
|
|
status = _("Click-Drag to create a new selection");
|
|
}
|
|
break;
|
|
|
|
case GIMP_CHANNEL_OP_ADD:
|
|
status = gimp_suggest_modifiers (_("Click-Drag to add to the "
|
|
"current selection"),
|
|
modifiers
|
|
& ~(state | GDK_SHIFT_MASK),
|
|
NULL, NULL, NULL);
|
|
free_status = TRUE;
|
|
break;
|
|
|
|
case GIMP_CHANNEL_OP_SUBTRACT:
|
|
status = gimp_suggest_modifiers (_("Click-Drag to subtract from the "
|
|
"current selection"),
|
|
modifiers
|
|
& ~(state | GDK_CONTROL_MASK),
|
|
NULL, NULL, NULL);
|
|
free_status = TRUE;
|
|
break;
|
|
|
|
case GIMP_CHANNEL_OP_INTERSECT:
|
|
status = gimp_suggest_modifiers (_("Click-Drag to intersect with "
|
|
"the current selection"),
|
|
modifiers & ~state,
|
|
NULL, NULL, NULL);
|
|
free_status = TRUE;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case SELECTION_MOVE_MASK:
|
|
status = gimp_suggest_modifiers (_("Click-Drag to move the "
|
|
"selection mask"),
|
|
modifiers & ~state,
|
|
NULL, NULL, NULL);
|
|
free_status = TRUE;
|
|
break;
|
|
|
|
case SELECTION_MOVE:
|
|
status = _("Click-Drag to move the selected pixels");
|
|
break;
|
|
|
|
case SELECTION_MOVE_COPY:
|
|
status = _("Click-Drag to move a copy of the selected pixels");
|
|
break;
|
|
|
|
case SELECTION_ANCHOR:
|
|
status = _("Click to anchor the floating selection");
|
|
break;
|
|
|
|
default:
|
|
g_return_if_reached ();
|
|
}
|
|
|
|
if (status)
|
|
gimp_tool_push_status (tool, display, "%s", status);
|
|
|
|
if (free_status)
|
|
g_free ((gchar *) status);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_selection_tool_cursor_update (GimpTool *tool,
|
|
const GimpCoords *coords,
|
|
GdkModifierType state,
|
|
GimpDisplay *display)
|
|
{
|
|
GimpSelectionTool *selection_tool = GIMP_SELECTION_TOOL (tool);
|
|
GimpSelectionOptions *options;
|
|
GimpToolCursorType tool_cursor;
|
|
GimpCursorModifier modifier;
|
|
|
|
options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
|
|
|
|
tool_cursor = gimp_tool_control_get_tool_cursor (tool->control);
|
|
modifier = GIMP_CURSOR_MODIFIER_NONE;
|
|
|
|
switch (selection_tool->function)
|
|
{
|
|
case SELECTION_SELECT:
|
|
switch (options->operation)
|
|
{
|
|
case GIMP_CHANNEL_OP_REPLACE:
|
|
break;
|
|
case GIMP_CHANNEL_OP_ADD:
|
|
modifier = GIMP_CURSOR_MODIFIER_PLUS;
|
|
break;
|
|
case GIMP_CHANNEL_OP_SUBTRACT:
|
|
modifier = GIMP_CURSOR_MODIFIER_MINUS;
|
|
break;
|
|
case GIMP_CHANNEL_OP_INTERSECT:
|
|
modifier = GIMP_CURSOR_MODIFIER_INTERSECT;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case SELECTION_MOVE_MASK:
|
|
modifier = GIMP_CURSOR_MODIFIER_MOVE;
|
|
break;
|
|
|
|
case SELECTION_MOVE:
|
|
case SELECTION_MOVE_COPY:
|
|
tool_cursor = GIMP_TOOL_CURSOR_MOVE;
|
|
break;
|
|
|
|
case SELECTION_ANCHOR:
|
|
modifier = GIMP_CURSOR_MODIFIER_ANCHOR;
|
|
break;
|
|
}
|
|
|
|
/* we don't set the bad modifier ourselves, so a subclass has set
|
|
* it, always leave it there since it's more important than what we
|
|
* have to say.
|
|
*/
|
|
if (gimp_tool_control_get_cursor_modifier (tool->control) ==
|
|
GIMP_CURSOR_MODIFIER_BAD)
|
|
{
|
|
modifier = GIMP_CURSOR_MODIFIER_BAD;
|
|
}
|
|
|
|
gimp_tool_set_cursor (tool, display,
|
|
gimp_tool_control_get_cursor (tool->control),
|
|
tool_cursor,
|
|
modifier);
|
|
}
|
|
|
|
|
|
/* public functions */
|
|
|
|
gboolean
|
|
gimp_selection_tool_start_edit (GimpSelectionTool *sel_tool,
|
|
GimpDisplay *display,
|
|
const GimpCoords *coords)
|
|
{
|
|
GimpTool *tool;
|
|
|
|
g_return_val_if_fail (GIMP_IS_SELECTION_TOOL (sel_tool), FALSE);
|
|
g_return_val_if_fail (GIMP_IS_DISPLAY (display), FALSE);
|
|
g_return_val_if_fail (coords != NULL, FALSE);
|
|
|
|
tool = GIMP_TOOL (sel_tool);
|
|
|
|
g_return_val_if_fail (gimp_tool_control_is_active (tool->control) == FALSE,
|
|
FALSE);
|
|
|
|
switch (sel_tool->function)
|
|
{
|
|
case SELECTION_MOVE_MASK:
|
|
gimp_edit_selection_tool_start (tool, display, coords,
|
|
GIMP_TRANSLATE_MODE_MASK, FALSE);
|
|
return TRUE;
|
|
|
|
case SELECTION_MOVE:
|
|
gimp_edit_selection_tool_start (tool, display, coords,
|
|
GIMP_TRANSLATE_MODE_MASK_TO_LAYER, FALSE);
|
|
return TRUE;
|
|
|
|
case SELECTION_MOVE_COPY:
|
|
gimp_edit_selection_tool_start (tool, display, coords,
|
|
GIMP_TRANSLATE_MODE_MASK_COPY_TO_LAYER,
|
|
FALSE);
|
|
return TRUE;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|