home *** CD-ROM | disk | FTP | other *** search
- /* 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 <stdlib.h>
- #include <stdarg.h>
-
- #include <gtk/gtk.h>
- #include <gdk/gdkkeysyms.h>
-
- #include "apptypes.h"
-
- #include "appenv.h"
- #include "cursorutil.h"
- #include "draw_core.h"
- #include "drawable.h"
- #include "tools.h"
- #include "edit_selection.h"
- #include "floating_sel.h"
- #include "gimage_mask.h"
- #include "gdisplay.h"
- #include "undo.h"
- #include "gimprc.h"
- #include "path_transform.h"
-
- #include "libgimp/gimpintl.h"
- #include "libgimp/gimpmath.h"
-
-
- #define EDIT_SELECT_SCROLL_LOCK FALSE
- #define ARROW_VELOCITY 25
- #define STATUSBAR_SIZE 128
-
-
- typedef struct _EditSelection EditSelection;
- struct _EditSelection
- {
- gint origx, origy; /* last x and y coords */
- gint cumlx, cumly; /* cumulative changes to x and yed */
- gint x, y; /* current x and y coords */
- gint num_segs_in; /* Num seg in selection boundary */
- gint num_segs_out; /* Num seg in selection boundary */
- BoundSeg *segs_in; /* Pointer to the channel sel. segs */
- BoundSeg *segs_out; /* Pointer to the channel sel. segs */
-
- gint x1, y1; /* bounding box of selection mask */
- gint x2, y2;
-
- EditType edit_type; /* translate the mask or layer? */
-
- DrawCore *core; /* selection core for drawing bounds*/
-
- ButtonReleaseFunc old_button_release;/* old button press member func */
- MotionFunc old_motion; /* old motion member function */
- ToolCtlFunc old_control; /* old control member function */
- CursorUpdateFunc old_cursor_update; /* old cursor update function */
- gboolean old_scroll_lock; /* old value of scroll lock */
- gboolean old_auto_snap_to; /* old value of auto snap to */
-
- gboolean first_move; /* we undo_freeze after the first */
-
- guint context_id; /* for the statusbar */
- };
-
-
- /* static EditSelection structure -- there is ever only one present */
- static EditSelection edit_select;
-
-
- static void
- edit_selection_snap (GDisplay *gdisp,
- gdouble x,
- gdouble y)
- {
- gdouble x1, y1;
- gdouble x2, y2;
- gdouble dx, dy;
-
- gdisplay_untransform_coords_f (gdisp, x, y, &x, &y, TRUE);
-
- dx = x - edit_select.origx;
- dy = y - edit_select.origy;
-
- x1 = edit_select.x1 + dx;
- y1 = edit_select.y1 + dy;
-
- if (gdisp->draw_guides &&
- gdisp->snap_to_guides &&
- gdisp->gimage->guides)
- {
- x2 = edit_select.x2 + dx;
- y2 = edit_select.y2 + dy;
-
- gdisplay_transform_coords_f (gdisp, x1, y1, &x1, &y1, TRUE);
- gdisplay_transform_coords_f (gdisp, x2, y2, &x2, &y2, TRUE);
-
- gdisplay_snap_rectangle (gdisp, x1, y1, x2, y2, &x1, &y1);
-
- gdisplay_untransform_coords_f (gdisp, x1, y1, &x1, &y1, TRUE);
- }
-
- edit_select.x = (gint) RINT (x1) - (edit_select.x1 - edit_select.origx);
- edit_select.y = (gint) RINT (y1) - (edit_select.y1 - edit_select.origy);
- }
-
- void
- init_edit_selection (Tool *tool,
- gpointer gdisp_ptr,
- GdkEventButton *bevent,
- EditType edit_type)
- {
- GDisplay *gdisp;
- Layer *layer;
- gint x, y;
-
- gdisp = (GDisplay *) gdisp_ptr;
-
- undo_push_group_start (gdisp->gimage, LAYER_DISPLACE_UNDO);
-
- /* Move the (x, y) point from screen to image space */
- gdisplay_untransform_coords (gdisp,
- bevent->x, bevent->y, &x, &y, FALSE, TRUE);
-
- edit_select.x = edit_select.origx = x;
- edit_select.y = edit_select.origy = y;
-
- edit_select.cumlx = 0;
- edit_select.cumly = 0;
-
- gimage_mask_boundary (gdisp->gimage, &edit_select.segs_in,
- &edit_select.segs_out,
- &edit_select.num_segs_in,
- &edit_select.num_segs_out);
-
- /* Make a check to see if it should be a floating selection translation */
- if (edit_type == EDIT_MASK_TO_LAYER_TRANSLATE && gimage_floating_sel (gdisp->gimage))
- edit_type = EDIT_FLOATING_SEL_TRANSLATE;
-
- if (edit_type == EDIT_LAYER_TRANSLATE)
- {
- layer = gimage_get_active_layer (gdisp->gimage);
- if (layer_is_floating_sel (layer))
- edit_type = EDIT_FLOATING_SEL_TRANSLATE;
- }
-
- edit_select.edit_type = edit_type;
-
- edit_select.old_button_release = tool->button_release_func;
- edit_select.old_motion = tool->motion_func;
- edit_select.old_control = tool->control_func;
- edit_select.old_cursor_update = tool->cursor_update_func;
- edit_select.old_scroll_lock = tool->scroll_lock;
- edit_select.old_auto_snap_to = tool->auto_snap_to;
-
- edit_select.first_move = TRUE;
-
- /* find the bounding box of the selection mask -
- * this is used for the case of a EDIT_MASK_TO_LAYER_TRANSLATE,
- * where the translation will result in floating the selection
- * mask and translating the resulting layer
- */
- drawable_mask_bounds (gimage_active_drawable (gdisp->gimage),
- &edit_select.x1, &edit_select.y1,
- &edit_select.x2, &edit_select.y2);
-
- edit_selection_snap (gdisp, bevent->x, bevent->y);
-
- /* reset the function pointers on the selection tool */
- tool->button_release_func = edit_selection_button_release;
- tool->motion_func = edit_selection_motion;
- tool->control_func = edit_selection_control;
- tool->cursor_update_func = edit_selection_cursor_update;
- tool->scroll_lock = EDIT_SELECT_SCROLL_LOCK;
- tool->auto_snap_to = FALSE;
-
- /* pause the current selection */
- selection_pause (gdisp->select);
-
- /* initialize the statusbar display */
- edit_select.context_id
- = gtk_statusbar_get_context_id (GTK_STATUSBAR (gdisp->statusbar),
- "edit_select");
- gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar),
- edit_select.context_id,
- _("Move: 0, 0"));
-
- /* Create and start the selection core */
- edit_select.core = draw_core_new (edit_selection_draw);
- draw_core_start (edit_select.core,
- gdisp->canvas->window,
- tool);
- }
-
-
- void
- edit_selection_button_release (Tool *tool,
- GdkEventButton *bevent,
- gpointer gdisp_ptr)
- {
- gint x;
- gint y;
- GDisplay *gdisp;
- Layer *layer;
-
- gdisp = (GDisplay *) gdisp_ptr;
-
- /* resume the current selection and ungrab the pointer */
- selection_resume (gdisp->select);
-
- gdk_pointer_ungrab (bevent->time);
- gdk_flush ();
-
- gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar), edit_select.context_id);
-
- /* Stop and free the selection core */
- draw_core_stop (edit_select.core, tool);
- draw_core_free (edit_select.core);
- edit_select.core = NULL;
- tool->state = INACTIVE;
-
- tool->button_release_func = edit_select.old_button_release;
- tool->motion_func = edit_select.old_motion;
- tool->control_func = edit_select.old_control;
- tool->cursor_update_func = edit_select.old_cursor_update;
- tool->scroll_lock = edit_select.old_scroll_lock;
- tool->auto_snap_to = edit_select.old_auto_snap_to;
-
- /* EDIT_MASK_TRANSLATE is performed here at movement end, not 'live' like
- * the other translation types.
- */
- if (edit_select.edit_type == EDIT_MASK_TRANSLATE)
- {
- edit_selection_snap (gdisp, bevent->x, bevent->y);
- x = edit_select.x;
- y = edit_select.y;
-
- /* move the selection -- whether there has been net movement or not!
- * (to ensure that there's something on the undo stack)
- */
- gimage_mask_translate (gdisp->gimage,
- edit_select.cumlx,
- edit_select.cumly);
-
- if (edit_select.first_move)
- {
- gimp_image_undo_freeze (gdisp->gimage);
- edit_select.first_move = FALSE;
- }
- }
-
- /* thaw the undo again */
- gimp_image_undo_thaw (gdisp->gimage);
-
- if (edit_select.cumlx == 0 && edit_select.cumly == 0)
- {
- /* The user either didn't actually move the selection,
- or moved it around and eventually just put it back in
- exactly the same spot. */
-
- /* If no movement occured and the type is EDIT_FLOATING_SEL_TRANSLATE,
- check if the layer is a floating selection. If so, anchor. */
- if (edit_select.edit_type == EDIT_FLOATING_SEL_TRANSLATE)
- {
- layer = gimage_get_active_layer (gdisp->gimage);
- if (layer_is_floating_sel (layer))
- floating_sel_anchor (layer);
- }
- }
- else
- {
- path_transform_xy (gdisp->gimage, edit_select.cumlx, edit_select.cumly);
-
- layer = gimage_get_active_layer (gdisp->gimage);
- gimp_drawable_invalidate_preview (GIMP_DRAWABLE (layer), TRUE);
- }
-
- undo_push_group_end (gdisp->gimage);
-
- if (bevent->state & GDK_BUTTON3_MASK) /* OPERATION CANCELLED */
- {
- /* Operation cancelled - undo the undo-group! */
- undo_pop (gdisp->gimage);
- }
-
- gdisplays_flush ();
- }
-
-
- void
- edit_selection_motion (Tool *tool,
- GdkEventMotion *mevent,
- gpointer gdisp_ptr)
- {
- GDisplay * gdisp;
- gchar offset[STATUSBAR_SIZE];
- gdouble lastmotion_x, lastmotion_y;
-
- if (tool->state != ACTIVE)
- {
- g_warning ("BUG: Tracking motion while !ACTIVE");
- return;
- }
-
- gdisp = (GDisplay *) gdisp_ptr;
-
- gdk_flush ();
-
- draw_core_pause (edit_select.core, tool);
-
-
- /* Perform motion compression so that we don't lag and/or waste time. */
-
- if (!gtkutil_compress_motion (gtk_get_event_widget ((GdkEvent*) mevent),
- &lastmotion_x, &lastmotion_y))
- {
- lastmotion_x = mevent->x;
- lastmotion_y = mevent->y;
- }
-
- /* now do the actual move. */
-
- edit_selection_snap (gdisp, RINT (lastmotion_x), RINT (lastmotion_y));
-
- /******************************************* adam's live move *******/
- /********************************************************************/
- {
- gint x, y;
- Layer *layer;
- Layer *floating_layer;
- GSList *layer_list;
-
- x = edit_select.x;
- y = edit_select.y;
-
- /* if there has been movement, move the selection */
- if (edit_select.origx != x || edit_select.origy != y)
- {
- gint xoffset, yoffset;
-
- xoffset = x - edit_select.origx;
- yoffset = y - edit_select.origy;
-
- edit_select.cumlx += xoffset;
- edit_select.cumly += yoffset;
-
- switch (edit_select.edit_type)
- {
- case EDIT_MASK_TRANSLATE:
- /* we don't do the actual edit selection move here. */
- edit_select.origx = x;
- edit_select.origy = y;
- break;
-
- case EDIT_LAYER_TRANSLATE:
- if ((floating_layer = gimage_floating_sel (gdisp->gimage)))
- floating_sel_relax (floating_layer, TRUE);
-
- /* translate the layer--and any "linked" layers as well */
- for (layer_list = gdisp->gimage->layers;
- layer_list;
- layer_list = g_slist_next (layer_list))
- {
- layer = (Layer *) layer_list->data;
- if (layer == gdisp->gimage->active_layer ||
- layer_linked (layer))
- {
- layer_translate (layer, xoffset, yoffset);
- }
- }
-
- if (floating_layer)
- floating_sel_rigor (floating_layer, TRUE);
-
- if (edit_select.first_move)
- {
- gimp_image_undo_freeze (gdisp->gimage);
- edit_select.first_move = FALSE;
- }
- break;
-
- case EDIT_MASK_TO_LAYER_TRANSLATE:
- if (!gimage_mask_float (gdisp->gimage,
- gimage_active_drawable (gdisp->gimage),
- 0, 0))
- {
- /* no region to float, abort safely */
- draw_core_resume (edit_select.core, tool);
- return;
- }
-
- /* this is always the first move, since we switch to
- EDIT_FLOATING_SEL_TRANSLATE when finished here */
- gimp_image_undo_freeze (gdisp->gimage);
- edit_select.first_move = FALSE;
-
- edit_select.origx -= edit_select.x1;
- edit_select.origy -= edit_select.y1;
- edit_select.x2 -= edit_select.x1;
- edit_select.y2 -= edit_select.y1;
- edit_select.x1 = 0;
- edit_select.y1 = 0;
-
- edit_select.edit_type = EDIT_FLOATING_SEL_TRANSLATE;
- break;
-
- case EDIT_FLOATING_SEL_TRANSLATE:
- layer = gimage_get_active_layer (gdisp->gimage);
-
- floating_sel_relax (layer, TRUE);
- layer_translate (layer, xoffset, yoffset);
- floating_sel_rigor (layer, TRUE);
-
- if (edit_select.first_move)
- {
- gimp_image_undo_freeze (gdisp->gimage);
- edit_select.first_move = FALSE;
- }
- break;
-
- default:
- g_warning ("esm / BAD FALLTHROUGH");
- }
- }
-
- gdisplay_flush (gdisp);
- }
- /********************************************************************/
- /********************************************************************/
-
-
- gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar), edit_select.context_id);
- if (gdisp->dot_for_dot)
- {
- g_snprintf (offset, STATUSBAR_SIZE, gdisp->cursor_format_str,
- _("Move: "),
- edit_select.cumlx,
- ", ",
- edit_select.cumly);
- }
- else /* show real world units */
- {
- gdouble unit_factor = gimp_unit_get_factor (gdisp->gimage->unit);
-
- g_snprintf (offset, STATUSBAR_SIZE, gdisp->cursor_format_str,
- _("Move: "),
- (edit_select.cumlx) * unit_factor /
- gdisp->gimage->xresolution,
- ", ",
- (edit_select.cumly) * unit_factor /
- gdisp->gimage->yresolution);
- }
- gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar), edit_select.context_id,
- offset);
-
- draw_core_resume (edit_select.core, tool);
- }
-
- static void
- selection_transform_segs (GDisplay *gdisp,
- BoundSeg *src_segs,
- GdkSegment *dest_segs,
- gint num_segs)
- {
- gint x, y;
- gint i;
-
- for (i = 0; i < num_segs; i++)
- {
- gdisplay_transform_coords (gdisp,
- src_segs[i].x1 + edit_select.cumlx,
- src_segs[i].y1 + edit_select.cumly,
- &x, &y, FALSE);
-
- dest_segs[i].x1 = x;
- dest_segs[i].y1 = y;
-
- gdisplay_transform_coords (gdisp,
- src_segs[i].x2 + edit_select.cumlx,
- src_segs[i].y2 + edit_select.cumly,
- &x, &y, FALSE);
-
- dest_segs[i].x2 = x;
- dest_segs[i].y2 = y;
-
- }
- }
-
- void
- edit_selection_draw (Tool *tool)
- {
- GDisplay * gdisp;
- Selection * select;
- Layer *layer;
- GSList *layer_list;
- gint floating_sel;
- gint x1, y1, x2, y2;
- gint x3, y3, x4, y4;
- gint off_x, off_y;
- GdkSegment *segs_copy;
-
- gdisp = (GDisplay *) tool->gdisp_ptr;
- select = gdisp->select;
-
- switch (edit_select.edit_type)
- {
- case EDIT_MASK_TRANSLATE:
- layer = gimage_get_active_layer (gdisp->gimage);
- floating_sel = layer_is_floating_sel (layer);
-
- if (!floating_sel)
- {
- segs_copy = g_new (GdkSegment, edit_select.num_segs_in);
-
- selection_transform_segs (gdisp,
- edit_select.segs_in,
- segs_copy,
- edit_select.num_segs_in);
-
- /* Draw the items */
- gdk_draw_segments (edit_select.core->win, edit_select.core->gc,
- segs_copy, select->num_segs_in);
-
- g_free (segs_copy);
- }
-
- segs_copy = g_new (GdkSegment, edit_select.num_segs_out);
-
- selection_transform_segs (gdisp,
- edit_select.segs_out,
- segs_copy,
- edit_select.num_segs_out);
-
- /* Draw the items */
- gdk_draw_segments (edit_select.core->win, edit_select.core->gc,
- segs_copy, select->num_segs_out);
-
- g_free (segs_copy);
- break;
-
- case EDIT_MASK_TO_LAYER_TRANSLATE:
- gdisplay_transform_coords (gdisp,
- edit_select.x1, edit_select.y1,
- &x1, &y1, TRUE);
- gdisplay_transform_coords (gdisp,
- edit_select.x2, edit_select.y2,
- &x2, &y2, TRUE);
- gdk_draw_rectangle (edit_select.core->win,
- edit_select.core->gc, 0,
- x1, y1,
- x2 - x1 + 1, y2 - y1 + 1);
- break;
-
- case EDIT_LAYER_TRANSLATE:
- gdisplay_transform_coords (gdisp, 0, 0, &x1, &y1, TRUE);
- gdisplay_transform_coords (gdisp,
- drawable_width (GIMP_DRAWABLE (gdisp->gimage->active_layer)),
- drawable_height (GIMP_DRAWABLE (gdisp->gimage->active_layer)),
- &x2, &y2, TRUE);
-
- /* Now, expand the rectangle to include all linked layers as well */
- for (layer_list= gdisp->gimage->layers;
- layer_list;
- layer_list = g_slist_next (layer_list))
- {
- layer = (Layer *) layer_list->data;
- if (((layer) != gdisp->gimage->active_layer) && layer_linked (layer))
- {
- drawable_offsets (GIMP_DRAWABLE (layer), &off_x, &off_y);
- gdisplay_transform_coords (gdisp, off_x, off_y, &x3, &y3, FALSE);
- gdisplay_transform_coords (gdisp,
- off_x + drawable_width (GIMP_DRAWABLE (layer)),
- off_y + drawable_height (GIMP_DRAWABLE (layer)),
- &x4, &y4, FALSE);
- if (x3 < x1)
- x1 = x3;
- if (y3 < y1)
- y1 = y3;
- if (x4 > x2)
- x2 = x4;
- if (y4 > y2)
- y2 = y4;
- }
- }
-
- gdk_draw_rectangle (edit_select.core->win,
- edit_select.core->gc, 0,
- x1, y1,
- x2 - x1, y2 - y1);
- break;
-
- case EDIT_FLOATING_SEL_TRANSLATE:
- segs_copy = g_new (GdkSegment, edit_select.num_segs_in);
-
- /* The selection segs are in image space convert these
- * to display space.
- * Takes care of offset/zoom etc etc.
- */
-
- selection_transform_segs (gdisp,
- edit_select.segs_in,
- segs_copy,
- edit_select.num_segs_in);
-
- /* Draw the items */
- gdk_draw_segments (edit_select.core->win, edit_select.core->gc,
- segs_copy, select->num_segs_in);
-
- g_free (segs_copy);
- break;
- }
- }
-
-
- void
- edit_selection_control (Tool *tool,
- ToolAction action,
- gpointer gdisp_ptr)
- {
- switch (action)
- {
- case PAUSE:
- draw_core_pause (edit_select.core, tool);
- break;
-
- case RESUME:
- draw_core_resume (edit_select.core, tool);
- break;
-
- case HALT:
- draw_core_stop (edit_select.core, tool);
- draw_core_free (edit_select.core);
- break;
-
- default:
- break;
- }
- }
-
-
- void
- edit_selection_cursor_update (Tool *tool,
- GdkEventMotion *mevent,
- gpointer gdisp_ptr)
- {
- GDisplay *gdisp;
-
- gdisp = (GDisplay *) gdisp_ptr;
- gdisplay_install_tool_cursor (gdisp, GIMP_MOUSE_CURSOR,
- TOOL_TYPE_NONE,
- CURSOR_MODIFIER_MOVE,
- FALSE);
- }
-
- static gint
- process_event_queue_keys (GdkEventKey *kevent,
- ...)
- /* GdkKeyType, GdkModifierType, value ... 0
- * could move this function to a more central location so it can be used
- * by other tools? */
- {
- #define FILTER_MAX_KEYS 50
- va_list argp;
- GdkEvent *event;
- GList *event_list = NULL;
- GList *list;
- guint keys[FILTER_MAX_KEYS];
- GdkModifierType modifiers[FILTER_MAX_KEYS];
- gint values[FILTER_MAX_KEYS];
- gint i = 0, nkeys = 0, value = 0;
- gboolean done = FALSE;
- gboolean discard_event;
- GtkWidget *orig_widget;
-
- va_start (argp, kevent);
- while (nkeys <FILTER_MAX_KEYS && (keys[nkeys] = va_arg (argp, guint)) != 0)
- {
- modifiers[nkeys] = va_arg (argp, GdkModifierType);
- values[nkeys] = va_arg (argp, gint);
- nkeys++;
- }
- va_end(argp);
-
- for (i = 0; i < nkeys; i++)
- {
- if (kevent->keyval == keys[i] && kevent->state == modifiers[i])
- value += values[i];
- }
-
- orig_widget = gtk_get_event_widget ((GdkEvent*) kevent);
-
- while (gdk_events_pending () > 0 && !done)
- {
- discard_event = FALSE;
- event = gdk_event_get ();
-
- if (!event || orig_widget != gtk_get_event_widget (event))
- {
- done = TRUE;
- }
- else
- {
- if (event->any.type == GDK_KEY_PRESS)
- {
- for (i = 0; i < nkeys; i++)
- if (event->key.keyval == keys[i] &&
- event->key.state == modifiers[i])
- {
- discard_event = TRUE;
- value += values[i];
- }
-
- if (!discard_event)
- done = TRUE;
- }
- /* should there be more types here? */
- else if (event->any.type != GDK_KEY_RELEASE &&
- event->any.type != GDK_MOTION_NOTIFY &&
- event->any.type != GDK_EXPOSE)
- done = FALSE;
- }
-
- if (!event)
- ; /* Do nothing */
- else if (!discard_event)
- event_list = g_list_prepend (event_list, event);
- else
- gdk_event_free (event);
- }
-
- event_list = g_list_reverse (event_list);
-
- /* unget the unused events and free the list */
- for (list = event_list;
- list;
- list = g_list_next (list))
- {
- gdk_event_put ((GdkEvent*)list->data);
- gdk_event_free ((GdkEvent*)list->data);
- }
-
- g_list_free (event_list);
-
- return value;
- #undef FILTER_MAX_KEYS
- }
-
- void
- edit_sel_arrow_keys_func (Tool *tool,
- GdkEventKey *kevent,
- gpointer gdisp_ptr)
- {
- gint inc_x, inc_y, mask_inc_x, mask_inc_y;
- GDisplay *gdisp;
- Layer *layer;
- Layer *floating_layer;
- GSList *layer_list;
- EditType edit_type;
-
- layer = NULL;
-
- gdisp = (GDisplay *) gdisp_ptr;
-
- inc_x =
- process_event_queue_keys (kevent,
- GDK_Left, 0, -1,
- GDK_Left, GDK_SHIFT_MASK, -1 * ARROW_VELOCITY,
- GDK_Right, 0, 1,
- GDK_Right, GDK_SHIFT_MASK, 1 * ARROW_VELOCITY,
- 0);
- inc_y =
- process_event_queue_keys (kevent,
- GDK_Up, 0, -1,
- GDK_Up, GDK_SHIFT_MASK, -1 * ARROW_VELOCITY,
- GDK_Down, 0, 1,
- GDK_Down, GDK_SHIFT_MASK, 1 * ARROW_VELOCITY,
- 0);
-
- mask_inc_x =
- process_event_queue_keys (kevent,
- GDK_Left, GDK_MOD1_MASK, -1,
- GDK_Left, (GDK_MOD1_MASK | GDK_SHIFT_MASK), -1 * ARROW_VELOCITY,
- GDK_Right, GDK_MOD1_MASK, 1,
- GDK_Right, (GDK_MOD1_MASK | GDK_SHIFT_MASK), 1 * ARROW_VELOCITY,
- 0);
- mask_inc_y =
- process_event_queue_keys (kevent,
- GDK_Up, GDK_MOD1_MASK, -1,
- GDK_Up, (GDK_MOD1_MASK | GDK_SHIFT_MASK), -1 * ARROW_VELOCITY,
- GDK_Down, GDK_MOD1_MASK, 1,
- GDK_Down, (GDK_MOD1_MASK | GDK_SHIFT_MASK), 1 * ARROW_VELOCITY,
- 0);
-
- if (inc_x == 0 && inc_y == 0 && mask_inc_x == 0 && mask_inc_y == 0)
- return;
-
- undo_push_group_start (gdisp->gimage, LAYER_DISPLACE_UNDO);
-
- if (mask_inc_x != 0 || mask_inc_y != 0)
- gimage_mask_translate (gdisp->gimage, mask_inc_x, mask_inc_y);
-
- if (inc_x != 0 || inc_y != 0)
- {
- layer = gimage_get_active_layer (gdisp->gimage);
-
- if (layer_is_floating_sel (layer))
- edit_type = EDIT_FLOATING_SEL_TRANSLATE;
- else
- edit_type = EDIT_LAYER_TRANSLATE;
-
- switch (edit_type)
- {
- case EDIT_MASK_TRANSLATE:
- case EDIT_MASK_TO_LAYER_TRANSLATE:
- /* this won't happen */
- break;
-
- case EDIT_LAYER_TRANSLATE:
-
- if ((floating_layer = gimage_floating_sel (gdisp->gimage)))
- floating_sel_relax (floating_layer, TRUE);
-
- /* translate the layer -- and any "linked" layers as well */
- for (layer_list = gdisp->gimage->layers;
- layer_list;
- layer_list = g_slist_next (layer_list))
- {
- layer = (Layer *) layer_list->data;
- if (((layer) == gdisp->gimage->active_layer) ||
- layer_linked (layer))
- {
- layer_translate (layer, inc_x, inc_y);
- }
- }
-
- if (floating_layer)
- floating_sel_rigor (floating_layer, TRUE);
-
- break;
-
- case EDIT_FLOATING_SEL_TRANSLATE:
-
- floating_sel_relax (layer, TRUE);
-
- layer_translate (layer, inc_x, inc_y);
-
- floating_sel_rigor (layer, TRUE);
-
- break;
- }
- }
-
- undo_push_group_end (gdisp->gimage);
- gdisplays_flush ();
- }
-