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;
}
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);
tool->display = display;
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), display,
coords, 7, 7,
NULL, NULL, NULL, NULL, NULL,
&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;
const gint snap_distance = display->config->snap_distance;
if (gimp_display_shell_get_show_guides (shell) &&
(guide = gimp_image_find_guide (image,
coords->x, coords->y,
FUNSCALEX (shell, snap_distance),
FUNSCALEY (shell, snap_distance))))
{
move->guide = guide;
move->moving_guide = TRUE;
move->guide_position = gimp_guide_get_position (guide);
move->guide_orientation = gimp_guide_get_orientation (guide);
gimp_tool_control_set_scroll_lock (tool->control, TRUE);
gimp_tool_control_set_precision (tool->control,
GIMP_CURSOR_PRECISION_PIXEL_BORDER);
gimp_tool_control_activate (tool->control);
gimp_display_shell_selection_pause (shell);
gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), display);
gimp_tool_push_status_length (tool, display,
_("Move Guide: "),
SWAP_ORIENT (move->guide_orientation),
move->guide_position,
NULL);
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:
if (gimp_image_get_active_vectors (image))
gimp_edit_selection_tool_start (tool, display, coords,
GIMP_TRANSLATE_MODE_VECTORS, TRUE);
break;
case GIMP_TRANSFORM_TYPE_SELECTION:
if (! gimp_channel_is_empty (gimp_image_get_mask (image)))
gimp_edit_selection_tool_start (tool, display, coords,
GIMP_TRANSLATE_MODE_MASK, TRUE);
break;
case GIMP_TRANSFORM_TYPE_LAYER:
{
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (GIMP_IS_LAYER_MASK (drawable))
gimp_edit_selection_tool_start (tool, display, coords,
GIMP_TRANSLATE_MODE_LAYER_MASK, TRUE);
else if (GIMP_IS_CHANNEL (drawable))
gimp_edit_selection_tool_start (tool, display, coords,
GIMP_TRANSLATE_MODE_CHANNEL, TRUE);
else if (GIMP_IS_LAYER (drawable))
gimp_edit_selection_tool_start (tool, display, coords,
GIMP_TRANSLATE_MODE_LAYER, TRUE);
}
break;
}
}