1 #define __SP_SELECT_CONTEXT_C__
3 /*
4 * Selection and transformation context
5 *
6 * Authors:
7 * Lauris Kaplinski <lauris@kaplinski.com>
8 * bulia byak <buliabyak@users.sf.net>
9 *
10 * Copyright (C) 2006 Johan Engelen <johan@shouraizou.nl>
11 * Copyright (C) 1999-2005 Authors
12 *
13 * Released under GNU GPL, read the file 'COPYING' for more information
14 */
16 #ifdef HAVE_CONFIG_H
17 # include "config.h"
18 #endif
19 #include <gdk/gdkkeysyms.h>
20 #include "macros.h"
21 #include "rubberband.h"
22 #include "document.h"
23 #include "selection.h"
24 #include "seltrans-handles.h"
25 #include "sp-cursor.h"
26 #include "pixmaps/cursor-select-m.xpm"
27 #include "pixmaps/cursor-select-d.xpm"
28 #include "pixmaps/handles.xpm"
29 #include <glibmm/i18n.h>
31 #include "select-context.h"
32 #include "selection-chemistry.h"
33 #include "desktop.h"
34 #include "desktop-handles.h"
35 #include "sp-root.h"
36 #include "prefs-utils.h"
37 #include "tools-switch.h"
38 #include "message-stack.h"
39 #include "selection-describer.h"
40 #include "seltrans.h"
41 #include "box3d.h"
43 static void sp_select_context_class_init(SPSelectContextClass *klass);
44 static void sp_select_context_init(SPSelectContext *select_context);
45 static void sp_select_context_dispose(GObject *object);
47 static void sp_select_context_setup(SPEventContext *ec);
48 static void sp_select_context_set(SPEventContext *ec, gchar const *key, gchar const *val);
49 static gint sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event);
50 static gint sp_select_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event);
52 static SPEventContextClass *parent_class;
54 static GdkCursor *CursorSelectMouseover = NULL;
55 static GdkCursor *CursorSelectDragging = NULL;
56 GdkPixbuf *handles[13];
58 static gint rb_escaped = 0; // if non-zero, rubberband was canceled by esc, so the next button release should not deselect
59 static gint drag_escaped = 0; // if non-zero, drag was canceled by esc
61 static gint xp = 0, yp = 0; // where drag started
62 static gint tolerance = 0;
63 static bool within_tolerance = false;
65 GtkType
66 sp_select_context_get_type(void)
67 {
68 static GType type = 0;
69 if (!type) {
70 GTypeInfo info = {
71 sizeof(SPSelectContextClass),
72 NULL, NULL,
73 (GClassInitFunc) sp_select_context_class_init,
74 NULL, NULL,
75 sizeof(SPSelectContext),
76 4,
77 (GInstanceInitFunc) sp_select_context_init,
78 NULL, /* value_table */
79 };
80 type = g_type_register_static(SP_TYPE_EVENT_CONTEXT, "SPSelectContext", &info, (GTypeFlags)0);
81 }
82 return type;
83 }
85 static void
86 sp_select_context_class_init(SPSelectContextClass *klass)
87 {
88 GObjectClass *object_class = (GObjectClass *) klass;
89 SPEventContextClass *event_context_class = (SPEventContextClass *) klass;
91 parent_class = (SPEventContextClass*)g_type_class_peek_parent(klass);
93 object_class->dispose = sp_select_context_dispose;
95 event_context_class->setup = sp_select_context_setup;
96 event_context_class->set = sp_select_context_set;
97 event_context_class->root_handler = sp_select_context_root_handler;
98 event_context_class->item_handler = sp_select_context_item_handler;
100 // cursors in select context
101 CursorSelectMouseover = sp_cursor_new_from_xpm(cursor_select_m_xpm , 1, 1);
102 CursorSelectDragging = sp_cursor_new_from_xpm(cursor_select_d_xpm , 1, 1);
103 // selection handles
104 handles[0] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_scale_nw_xpm);
105 handles[1] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_scale_ne_xpm);
106 handles[2] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_scale_h_xpm);
107 handles[3] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_scale_v_xpm);
108 handles[4] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_nw_xpm);
109 handles[5] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_n_xpm);
110 handles[6] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_ne_xpm);
111 handles[7] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_e_xpm);
112 handles[8] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_se_xpm);
113 handles[9] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_s_xpm);
114 handles[10] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_sw_xpm);
115 handles[11] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_w_xpm);
116 handles[12] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_center_xpm);
118 }
120 static void
121 sp_select_context_init(SPSelectContext *sc)
122 {
123 sc->dragging = FALSE;
124 sc->moved = FALSE;
125 sc->button_press_shift = false;
126 sc->button_press_ctrl = false;
127 sc->button_press_alt = false;
128 sc->_seltrans = NULL;
129 sc->_describer = NULL;
130 }
132 static void
133 sp_select_context_dispose(GObject *object)
134 {
135 SPSelectContext *sc = SP_SELECT_CONTEXT(object);
136 SPEventContext * ec = SP_EVENT_CONTEXT (object);
138 ec->enableGrDrag(false);
140 if (sc->grabbed) {
141 sp_canvas_item_ungrab(sc->grabbed, GDK_CURRENT_TIME);
142 sc->grabbed = NULL;
143 }
145 delete sc->_seltrans;
146 sc->_seltrans = NULL;
147 delete sc->_describer;
148 sc->_describer = NULL;
150 if (CursorSelectDragging) {
151 gdk_cursor_unref (CursorSelectDragging);
152 CursorSelectDragging = NULL;
153 }
154 if (CursorSelectMouseover) {
155 gdk_cursor_unref (CursorSelectMouseover);
156 CursorSelectMouseover = NULL;
157 }
159 G_OBJECT_CLASS(parent_class)->dispose(object);
160 }
162 static void
163 sp_select_context_setup(SPEventContext *ec)
164 {
165 SPSelectContext *select_context = SP_SELECT_CONTEXT(ec);
167 if (((SPEventContextClass *) parent_class)->setup) {
168 ((SPEventContextClass *) parent_class)->setup(ec);
169 }
171 SPDesktop *desktop = ec->desktop;
173 select_context->_describer = new Inkscape::SelectionDescriber(desktop->selection, desktop->messageStack());
175 select_context->_seltrans = new Inkscape::SelTrans(desktop);
177 sp_event_context_read(ec, "show");
178 sp_event_context_read(ec, "transform");
180 if (prefs_get_int_attribute("tools.select", "gradientdrag", 0) != 0) {
181 ec->enableGrDrag();
182 }
183 }
185 static void
186 sp_select_context_set(SPEventContext *ec, gchar const *key, gchar const *val)
187 {
188 SPSelectContext *sc = SP_SELECT_CONTEXT(ec);
190 if (!strcmp(key, "show")) {
191 if (val && !strcmp(val, "outline")) {
192 sc->_seltrans->setShow(Inkscape::SelTrans::SHOW_OUTLINE);
193 } else {
194 sc->_seltrans->setShow(Inkscape::SelTrans::SHOW_CONTENT);
195 }
196 }
197 }
199 static bool
200 sp_select_context_abort(SPEventContext *event_context)
201 {
202 SPDesktop *desktop = event_context->desktop;
203 SPSelectContext *sc = SP_SELECT_CONTEXT(event_context);
204 Inkscape::SelTrans *seltrans = sc->_seltrans;
206 if (sc->dragging) {
207 if (sc->moved) { // cancel dragging an object
208 seltrans->ungrab();
209 sc->moved = FALSE;
210 sc->dragging = FALSE;
211 drag_escaped = 1;
213 if (sc->item) {
214 // only undo if the item is still valid
215 if (SP_OBJECT_DOCUMENT( SP_OBJECT(sc->item))) {
216 sp_document_undo(sp_desktop_document(desktop));
217 }
219 sp_object_unref( SP_OBJECT(sc->item), NULL);
220 } else if (sc->button_press_ctrl) {
221 // NOTE: This is a workaround to a bug.
222 // When the ctrl key is held, sc->item is not defined
223 // so in this case (only), we skip the object doc check
224 sp_document_undo(sp_desktop_document(desktop));
225 }
226 sc->item = NULL;
228 SP_EVENT_CONTEXT(sc)->desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Move canceled."));
229 return true;
230 }
231 } else {
232 if (Inkscape::Rubberband::get()->is_started()) {
233 Inkscape::Rubberband::get()->stop();
234 rb_escaped = 1;
235 SP_EVENT_CONTEXT(sc)->defaultMessageContext()->clear();
236 SP_EVENT_CONTEXT(sc)->desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Selection canceled."));
237 return true;
238 }
239 }
240 return false;
241 }
243 bool
244 key_is_a_modifier (guint key) {
245 return (key == GDK_Alt_L ||
246 key == GDK_Alt_R ||
247 key == GDK_Control_L ||
248 key == GDK_Control_R ||
249 key == GDK_Shift_L ||
250 key == GDK_Shift_R ||
251 key == GDK_Meta_L || // Meta is when you press Shift+Alt (at least on my machine)
252 key == GDK_Meta_R);
253 }
255 void
256 sp_select_context_up_one_layer(SPDesktop *desktop)
257 {
258 /* Click in empty place, go up one level -- but don't leave a layer to root.
259 *
260 * (Rationale: we don't usually allow users to go to the root, since that
261 * detracts from the layer metaphor: objects at the root level can in front
262 * of or behind layers. Whereas it's fine to go to the root if editing
263 * a document that has no layers (e.g. a non-Inkscape document).)
264 *
265 * Once we support editing SVG "islands" (e.g. <svg> embedded in an xhtml
266 * document), we might consider further restricting the below to disallow
267 * leaving a layer to go to a non-layer.
268 */
269 SPObject *const current_layer = desktop->currentLayer();
270 if (current_layer) {
271 SPObject *const parent = SP_OBJECT_PARENT(current_layer);
272 if ( parent
273 && ( SP_OBJECT_PARENT(parent)
274 || !( SP_IS_GROUP(current_layer)
275 && ( SPGroup::LAYER
276 == SP_GROUP(current_layer)->layerMode() ) ) ) )
277 {
278 desktop->setCurrentLayer(parent);
279 if (SP_IS_GROUP(current_layer) && SPGroup::LAYER != SP_GROUP(current_layer)->layerMode())
280 sp_desktop_selection(desktop)->set(current_layer);
281 }
282 }
283 }
285 static gint
286 sp_select_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event)
287 {
288 gint ret = FALSE;
290 SPDesktop *desktop = event_context->desktop;
291 SPSelectContext *sc = SP_SELECT_CONTEXT(event_context);
292 Inkscape::SelTrans *seltrans = sc->_seltrans;
294 tolerance = prefs_get_int_attribute_limited("options.dragtolerance", "value", 0, 0, 100);
296 // make sure we still have valid objects to move around
297 if (sc->item && SP_OBJECT_DOCUMENT( SP_OBJECT(sc->item))==NULL) {
298 sp_select_context_abort(event_context);
299 }
301 switch (event->type) {
302 case GDK_BUTTON_PRESS:
303 if (event->button.button == 1 && !event_context->space_panning) {
304 /* Left mousebutton */
306 // save drag origin
307 xp = (gint) event->button.x;
308 yp = (gint) event->button.y;
309 within_tolerance = true;
311 // remember what modifiers were on before button press
312 sc->button_press_shift = (event->button.state & GDK_SHIFT_MASK) ? true : false;
313 sc->button_press_ctrl = (event->button.state & GDK_CONTROL_MASK) ? true : false;
314 sc->button_press_alt = (event->button.state & GDK_MOD1_MASK) ? true : false;
316 if (event->button.state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK | GDK_MOD1_MASK)) {
317 // if shift or ctrl was pressed, do not move objects;
318 // pass the event to root handler which will perform rubberband, shift-click, ctrl-click, ctrl-drag
319 } else {
320 sc->dragging = TRUE;
321 sc->moved = FALSE;
323 sp_canvas_force_full_redraw_after_interruptions(desktop->canvas, 5);
325 // remember the clicked item in sc->item:
326 if (sc->item) {
327 sp_object_unref(sc->item, NULL);
328 sc->item = NULL;
329 }
330 sc->item = sp_event_context_find_item (desktop,
331 NR::Point(event->button.x, event->button.y), event->button.state & GDK_MOD1_MASK, FALSE);
332 sp_object_ref(sc->item, NULL);
334 rb_escaped = drag_escaped = 0;
336 if (sc->grabbed) {
337 sp_canvas_item_ungrab(sc->grabbed, event->button.time);
338 sc->grabbed = NULL;
339 }
340 sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->drawing),
341 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
342 GDK_POINTER_MOTION_MASK,
343 NULL, event->button.time);
344 sc->grabbed = SP_CANVAS_ITEM(desktop->drawing);
346 sp_canvas_force_full_redraw_after_interruptions(desktop->canvas, 5);
348 ret = TRUE;
349 }
350 } else if (event->button.button == 3) {
351 // right click; do not eat it so that right-click menu can appear, but cancel dragging & rubberband
352 sp_select_context_abort(event_context);
353 }
354 break;
356 case GDK_ENTER_NOTIFY:
357 {
358 GdkCursor *cursor = gdk_cursor_new(GDK_FLEUR);
359 gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, cursor);
360 gdk_cursor_destroy(cursor);
361 break;
362 }
364 case GDK_LEAVE_NOTIFY:
365 gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, event_context->cursor);
366 break;
368 case GDK_KEY_PRESS:
369 if (get_group0_keyval (&event->key) == GDK_space) {
370 if (sc->dragging && sc->grabbed) {
371 /* stamping mode: show content mode moving */
372 seltrans->stamp();
373 ret = TRUE;
374 }
375 }
376 break;
378 default:
379 break;
380 }
382 if (!ret) {
383 if (((SPEventContextClass *) parent_class)->item_handler)
384 ret = ((SPEventContextClass *) parent_class)->item_handler(event_context, item, event);
385 }
387 return ret;
388 }
390 static gint
391 sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event)
392 {
393 SPItem *item = NULL;
394 SPItem *item_at_point = NULL, *group_at_point = NULL, *item_in_group = NULL;
395 gint ret = FALSE;
397 SPDesktop *desktop = event_context->desktop;
398 SPSelectContext *sc = SP_SELECT_CONTEXT(event_context);
399 Inkscape::SelTrans *seltrans = sc->_seltrans;
400 Inkscape::Selection *selection = sp_desktop_selection(desktop);
401 gdouble const nudge = prefs_get_double_attribute_limited("options.nudgedistance", "value", 2, 0, 1000); // in px
402 gdouble const offset = prefs_get_double_attribute_limited("options.defaultscale", "value", 2, 0, 1000);
403 tolerance = prefs_get_int_attribute_limited("options.dragtolerance", "value", 0, 0, 100);
404 int const snaps = prefs_get_int_attribute("options.rotationsnapsperpi", "value", 12);
406 // make sure we still have valid objects to move around
407 if (sc->item && SP_OBJECT_DOCUMENT( SP_OBJECT(sc->item))==NULL) {
408 sp_select_context_abort(event_context);
409 }
411 switch (event->type) {
412 case GDK_2BUTTON_PRESS:
413 if (event->button.button == 1) {
414 if (!selection->isEmpty()) {
415 SPItem *clicked_item = (SPItem *) selection->itemList()->data;
416 if (SP_IS_GROUP(clicked_item) && !SP_IS_BOX3D(clicked_item)) { // enter group if it's not a 3D box
417 desktop->setCurrentLayer(reinterpret_cast<SPObject *>(clicked_item));
418 sp_desktop_selection(desktop)->clear();
419 sc->dragging = false;
421 sp_canvas_end_forced_full_redraws(desktop->canvas);
422 } else { // switch tool
423 tools_switch_by_item (desktop, clicked_item);
424 }
425 } else {
426 sp_select_context_up_one_layer(desktop);
427 }
428 ret = TRUE;
429 }
430 break;
431 case GDK_BUTTON_PRESS:
432 if (event->button.button == 1 && !event_context->space_panning) {
434 // save drag origin
435 xp = (gint) event->button.x;
436 yp = (gint) event->button.y;
437 within_tolerance = true;
439 NR::Point const button_pt(event->button.x, event->button.y);
440 NR::Point const p(desktop->w2d(button_pt));
441 if (event->button.state & GDK_MOD1_MASK)
442 Inkscape::Rubberband::get()->setMode(RUBBERBAND_MODE_TOUCHPATH);
443 Inkscape::Rubberband::get()->start(desktop, p);
444 if (sc->grabbed) {
445 sp_canvas_item_ungrab(sc->grabbed, event->button.time);
446 sc->grabbed = NULL;
447 }
448 sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
449 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK,
450 NULL, event->button.time);
451 sc->grabbed = SP_CANVAS_ITEM(desktop->acetate);
453 // remember what modifiers were on before button press
454 sc->button_press_shift = (event->button.state & GDK_SHIFT_MASK) ? true : false;
455 sc->button_press_ctrl = (event->button.state & GDK_CONTROL_MASK) ? true : false;
456 sc->button_press_alt = (event->button.state & GDK_MOD1_MASK) ? true : false;
458 sc->moved = FALSE;
460 rb_escaped = drag_escaped = 0;
462 ret = TRUE;
463 } else if (event->button.button == 3) {
464 // right click; do not eat it so that right-click menu can appear, but cancel dragging & rubberband
465 sp_select_context_abort(event_context);
466 }
467 break;
469 case GDK_MOTION_NOTIFY:
470 if (event->motion.state & GDK_BUTTON1_MASK && !event_context->space_panning) {
471 NR::Point const motion_pt(event->motion.x, event->motion.y);
472 NR::Point const p(desktop->w2d(motion_pt));
474 if ( within_tolerance
475 && ( abs( (gint) event->motion.x - xp ) < tolerance )
476 && ( abs( (gint) event->motion.y - yp ) < tolerance ) ) {
477 break; // do not drag if we're within tolerance from origin
478 }
479 // Once the user has moved farther than tolerance from the original location
480 // (indicating they intend to move the object, not click), then always process the
481 // motion notify coordinates as given (no snapping back to origin)
482 within_tolerance = false;
484 if (sc->button_press_ctrl || (sc->button_press_alt && !sc->button_press_shift && !selection->isEmpty())) {
485 // if it's not click and ctrl or alt was pressed (the latter with some selection
486 // but not with shift) we want to drag rather than rubberband
487 sc->dragging = TRUE;
489 sp_canvas_force_full_redraw_after_interruptions(desktop->canvas, 5);
490 }
492 if (sc->dragging) {
493 /* User has dragged fast, so we get events on root (lauris)*/
494 // not only that; we will end up here when ctrl-dragging as well
495 // and also when we started within tolerance, but trespassed tolerance outside of item
496 Inkscape::Rubberband::get()->stop();
497 SP_EVENT_CONTEXT(sc)->defaultMessageContext()->clear();
498 item_at_point = desktop->item_at_point(NR::Point(event->button.x, event->button.y), FALSE);
499 if (!item_at_point) // if no item at this point, try at the click point (bug 1012200)
500 item_at_point = desktop->item_at_point(NR::Point(xp, yp), FALSE);
501 if (item_at_point || sc->moved || sc->button_press_alt) {
502 // drag only if starting from an item, or if something is already grabbed, or if alt-dragging
503 if (!sc->moved) {
504 item_in_group = desktop->item_at_point(NR::Point(event->button.x, event->button.y), TRUE);
505 group_at_point = desktop->group_at_point(NR::Point(event->button.x, event->button.y));
506 // if neither a group nor an item (possibly in a group) at point are selected, set selection to the item at point
507 if ((!item_in_group || !selection->includes(item_in_group)) &&
508 (!group_at_point || !selection->includes(group_at_point))
509 && !sc->button_press_alt) {
510 // select what is under cursor
511 if (!seltrans->isEmpty()) {
512 seltrans->resetState();
513 }
514 // when simply ctrl-dragging, we don't want to go into groups
515 if (item_at_point && !selection->includes(item_at_point))
516 selection->set(item_at_point);
517 } // otherwise, do not change selection so that dragging selected-within-group items, as well as alt-dragging, is possible
518 seltrans->grab(p, -1, -1, FALSE);
519 sc->moved = TRUE;
520 }
521 if (!seltrans->isEmpty())
522 seltrans->moveTo(p, event->button.state);
523 desktop->scroll_to_point(&p);
524 gobble_motion_events(GDK_BUTTON1_MASK);
525 ret = TRUE;
526 } else {
527 sc->dragging = FALSE;
529 sp_canvas_end_forced_full_redraws(desktop->canvas);
530 }
531 } else {
532 if (Inkscape::Rubberband::get()->is_started()) {
533 Inkscape::Rubberband::get()->move(p);
534 if (Inkscape::Rubberband::get()->getMode() == RUBBERBAND_MODE_TOUCHPATH) {
535 event_context->defaultMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Draw over</b> objects to select them; release <b>Alt</b> to switch to rubberband selection"));
536 } else {
537 event_context->defaultMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag around</b> objects to select them; press <b>Alt</b> to switch to touch selection"));
538 }
539 gobble_motion_events(GDK_BUTTON1_MASK);
540 }
541 }
542 }
543 break;
544 case GDK_BUTTON_RELEASE:
545 xp = yp = 0;
546 if ((event->button.button == 1) && (sc->grabbed) && !event_context->space_panning) {
547 if (sc->dragging) {
548 if (sc->moved) {
549 // item has been moved
550 seltrans->ungrab();
551 sc->moved = FALSE;
552 } else if (sc->item && !drag_escaped) {
553 // item has not been moved -> simply a click, do selecting
554 if (!selection->isEmpty()) {
555 if (event->button.state & GDK_SHIFT_MASK) {
556 // with shift, toggle selection
557 seltrans->resetState();
558 selection->toggle(sc->item);
559 } else {
560 // without shift, increase state (i.e. toggle scale/rotation handles)
561 if (selection->includes(sc->item)) {
562 seltrans->increaseState();
563 } else {
564 seltrans->resetState();
565 selection->set(sc->item);
566 }
567 }
568 } else { // simple or shift click, no previous selection
569 seltrans->resetState();
570 selection->set(sc->item);
571 }
572 }
573 sc->dragging = FALSE;
575 sp_canvas_end_forced_full_redraws(desktop->canvas);
577 if (sc->item) {
578 sp_object_unref( SP_OBJECT(sc->item), NULL);
579 }
580 sc->item = NULL;
581 } else {
582 Inkscape::Rubberband::Rubberband *r = Inkscape::Rubberband::get();
583 if (r->is_started() && !within_tolerance) {
584 // this was a rubberband drag
585 GSList *items = NULL;
586 if (r->getMode() == RUBBERBAND_MODE_RECT) {
587 NR::Maybe<NR::Rect> const b = r->getRectangle();
588 items = sp_document_items_in_box(sp_desktop_document(desktop), desktop->dkey, *b);
589 } else if (r->getMode() == RUBBERBAND_MODE_TOUCHPATH) {
590 items = sp_document_items_at_points(sp_desktop_document(desktop), desktop->dkey, r->getPoints());
591 }
593 seltrans->resetState();
594 r->stop();
595 SP_EVENT_CONTEXT(sc)->defaultMessageContext()->clear();
597 if (event->button.state & GDK_SHIFT_MASK) {
598 // with shift, add to selection
599 selection->addList (items);
600 } else {
601 // without shift, simply select anew
602 selection->setList (items);
603 }
604 g_slist_free (items);
605 } else { // it was just a click, or a too small rubberband
606 r->stop();
607 if (sc->button_press_shift && !rb_escaped && !drag_escaped) {
608 // this was a shift+click or alt+shift+click, select what was clicked upon
610 sc->button_press_shift = false;
612 if (sc->button_press_ctrl) {
613 // go into groups, honoring Alt
614 item = sp_event_context_find_item (desktop,
615 NR::Point(event->button.x, event->button.y), event->button.state & GDK_MOD1_MASK, TRUE);
616 sc->button_press_ctrl = FALSE;
617 } else {
618 // don't go into groups, honoring Alt
619 item = sp_event_context_find_item (desktop,
620 NR::Point(event->button.x, event->button.y), event->button.state & GDK_MOD1_MASK, FALSE);
621 }
623 if (item) {
624 selection->toggle(item);
625 item = NULL;
626 }
628 } else if ((sc->button_press_ctrl || sc->button_press_alt) && !rb_escaped && !drag_escaped) { // ctrl+click, alt+click
630 item = sp_event_context_find_item (desktop,
631 NR::Point(event->button.x, event->button.y), sc->button_press_alt, sc->button_press_ctrl);
633 sc->button_press_ctrl = FALSE;
634 sc->button_press_alt = FALSE;
636 if (item) {
637 if (selection->includes(item)) {
638 seltrans->increaseState();
639 } else {
640 seltrans->resetState();
641 selection->set(item);
642 }
643 item = NULL;
644 }
646 } else { // click without shift, simply deselect, unless with Alt or something was cancelled
647 if (!selection->isEmpty()) {
648 if (!(rb_escaped) && !(drag_escaped) && !(event->button.state & GDK_MOD1_MASK))
649 selection->clear();
650 rb_escaped = 0;
651 ret = TRUE;
652 }
653 }
654 }
655 ret = TRUE;
656 }
657 if (sc->grabbed) {
658 sp_canvas_item_ungrab(sc->grabbed, event->button.time);
659 sc->grabbed = NULL;
660 }
662 desktop->updateNow();
663 }
664 if (event->button.button == 1) {
665 Inkscape::Rubberband::get()->stop(); // might have been started in another tool!
666 }
667 sc->button_press_shift = false;
668 sc->button_press_ctrl = false;
669 sc->button_press_alt = false;
670 break;
672 case GDK_KEY_PRESS: // keybindings for select context
674 {
675 guint keyval = get_group0_keyval(&event->key);
676 bool alt = ( MOD__ALT
677 || (keyval == GDK_Alt_L)
678 || (keyval == GDK_Alt_R)
679 || (keyval == GDK_Meta_L)
680 || (keyval == GDK_Meta_R));
682 if (!key_is_a_modifier (keyval)) {
683 event_context->defaultMessageContext()->clear();
684 } else if (sc->grabbed || seltrans->isGrabbed()) {
685 if (Inkscape::Rubberband::get()->is_started()) {
686 // if Alt then change cursor to moving cursor:
687 if (alt) {
688 Inkscape::Rubberband::get()->setMode(RUBBERBAND_MODE_TOUCHPATH);
689 }
690 } else {
691 // do not change the statusbar text when mousekey is down to move or transform the object,
692 // because the statusbar text is already updated somewhere else.
693 break;
694 }
695 } else {
696 sp_event_show_modifier_tip (event_context->defaultMessageContext(), event,
697 _("<b>Ctrl</b>: click to select in groups; drag to move hor/vert"),
698 _("<b>Shift</b>: click to toggle select; drag for rubberband selection"),
699 _("<b>Alt</b>: click to select under; drag to move selected or select by touch"));
700 // if Alt and nonempty selection, show moving cursor ("move selected"):
701 if (alt && !selection->isEmpty()) {
702 GdkCursor *cursor = gdk_cursor_new(GDK_FLEUR);
703 gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, cursor);
704 gdk_cursor_destroy(cursor);
705 }
706 //*/
707 break;
708 }
709 }
711 switch (get_group0_keyval (&event->key)) {
712 case GDK_Left: // move selection left
713 case GDK_KP_Left:
714 case GDK_KP_4:
715 if (!MOD__CTRL) { // not ctrl
716 gint mul = 1 + gobble_key_events(
717 get_group0_keyval(&event->key), 0); // with any mask
718 if (MOD__ALT) { // alt
719 if (MOD__SHIFT) sp_selection_move_screen(mul*-10, 0); // shift
720 else sp_selection_move_screen(mul*-1, 0); // no shift
721 }
722 else { // no alt
723 if (MOD__SHIFT) sp_selection_move(mul*-10*nudge, 0); // shift
724 else sp_selection_move(mul*-nudge, 0); // no shift
725 }
726 ret = TRUE;
727 }
728 break;
729 case GDK_Up: // move selection up
730 case GDK_KP_Up:
731 case GDK_KP_8:
732 if (!MOD__CTRL) { // not ctrl
733 gint mul = 1 + gobble_key_events(
734 get_group0_keyval(&event->key), 0); // with any mask
735 if (MOD__ALT) { // alt
736 if (MOD__SHIFT) sp_selection_move_screen(0, mul*10); // shift
737 else sp_selection_move_screen(0, mul*1); // no shift
738 }
739 else { // no alt
740 if (MOD__SHIFT) sp_selection_move(0, mul*10*nudge); // shift
741 else sp_selection_move(0, mul*nudge); // no shift
742 }
743 ret = TRUE;
744 }
745 break;
746 case GDK_Right: // move selection right
747 case GDK_KP_Right:
748 case GDK_KP_6:
749 if (!MOD__CTRL) { // not ctrl
750 gint mul = 1 + gobble_key_events(
751 get_group0_keyval(&event->key), 0); // with any mask
752 if (MOD__ALT) { // alt
753 if (MOD__SHIFT) sp_selection_move_screen(mul*10, 0); // shift
754 else sp_selection_move_screen(mul*1, 0); // no shift
755 }
756 else { // no alt
757 if (MOD__SHIFT) sp_selection_move(mul*10*nudge, 0); // shift
758 else sp_selection_move(mul*nudge, 0); // no shift
759 }
760 ret = TRUE;
761 }
762 break;
763 case GDK_Down: // move selection down
764 case GDK_KP_Down:
765 case GDK_KP_2:
766 if (!MOD__CTRL) { // not ctrl
767 gint mul = 1 + gobble_key_events(
768 get_group0_keyval(&event->key), 0); // with any mask
769 if (MOD__ALT) { // alt
770 if (MOD__SHIFT) sp_selection_move_screen(0, mul*-10); // shift
771 else sp_selection_move_screen(0, mul*-1); // no shift
772 }
773 else { // no alt
774 if (MOD__SHIFT) sp_selection_move(0, mul*-10*nudge); // shift
775 else sp_selection_move(0, mul*-nudge); // no shift
776 }
777 ret = TRUE;
778 }
779 break;
780 case GDK_Escape:
781 if (!sp_select_context_abort(event_context))
782 selection->clear();
783 ret = TRUE;
784 break;
785 case GDK_a:
786 case GDK_A:
787 if (MOD__CTRL_ONLY) {
788 sp_edit_select_all();
789 ret = TRUE;
790 }
791 break;
792 case GDK_space:
793 /* stamping mode: show outline mode moving */
794 /* FIXME: Is next condition ok? (lauris) */
795 if (sc->dragging && sc->grabbed) {
796 seltrans->stamp();
797 ret = TRUE;
798 }
799 break;
800 case GDK_x:
801 case GDK_X:
802 if (MOD__ALT_ONLY) {
803 desktop->setToolboxFocusTo ("altx");
804 ret = TRUE;
805 }
806 break;
807 case GDK_bracketleft:
808 if (MOD__ALT) {
809 gint mul = 1 + gobble_key_events(
810 get_group0_keyval(&event->key), 0); // with any mask
811 sp_selection_rotate_screen(selection, mul*1);
812 } else if (MOD__CTRL) {
813 sp_selection_rotate(selection, 90);
814 } else if (snaps) {
815 sp_selection_rotate(selection, 180/snaps);
816 }
817 ret = TRUE;
818 break;
819 case GDK_bracketright:
820 if (MOD__ALT) {
821 gint mul = 1 + gobble_key_events(
822 get_group0_keyval(&event->key), 0); // with any mask
823 sp_selection_rotate_screen(selection, -1*mul);
824 } else if (MOD__CTRL) {
825 sp_selection_rotate(selection, -90);
826 } else if (snaps) {
827 sp_selection_rotate(selection, -180/snaps);
828 }
829 ret = TRUE;
830 break;
831 case GDK_less:
832 case GDK_comma:
833 if (MOD__ALT) {
834 gint mul = 1 + gobble_key_events(
835 get_group0_keyval(&event->key), 0); // with any mask
836 sp_selection_scale_screen(selection, -2*mul);
837 } else if (MOD__CTRL) {
838 sp_selection_scale_times(selection, 0.5);
839 } else {
840 gint mul = 1 + gobble_key_events(
841 get_group0_keyval(&event->key), 0); // with any mask
842 sp_selection_scale(selection, -offset*mul);
843 }
844 ret = TRUE;
845 break;
846 case GDK_greater:
847 case GDK_period:
848 if (MOD__ALT) {
849 gint mul = 1 + gobble_key_events(
850 get_group0_keyval(&event->key), 0); // with any mask
851 sp_selection_scale_screen(selection, 2*mul);
852 } else if (MOD__CTRL) {
853 sp_selection_scale_times(selection, 2);
854 } else {
855 gint mul = 1 + gobble_key_events(
856 get_group0_keyval(&event->key), 0); // with any mask
857 sp_selection_scale(selection, offset*mul);
858 }
859 ret = TRUE;
860 break;
861 case GDK_Return:
862 if (MOD__CTRL_ONLY) {
863 if (selection->singleItem()) {
864 SPItem *clicked_item = selection->singleItem();
865 if ( SP_IS_GROUP(clicked_item) &&
866 !SP_IS_BOX3D(clicked_item)) { // enter group if it's not a 3D box
867 desktop->setCurrentLayer(reinterpret_cast<SPObject *>(clicked_item));
868 sp_desktop_selection(desktop)->clear();
869 } else {
870 SP_EVENT_CONTEXT(sc)->desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Selected object is not a group. Cannot enter."));
871 }
872 }
873 ret = TRUE;
874 }
875 break;
876 case GDK_BackSpace:
877 if (MOD__CTRL_ONLY) {
878 sp_select_context_up_one_layer(desktop);
879 ret = TRUE;
880 }
881 break;
882 case GDK_s:
883 case GDK_S:
884 if (MOD__SHIFT_ONLY) {
885 if (!selection->isEmpty()) {
886 seltrans->increaseState();
887 }
888 ret = TRUE;
889 }
890 break;
891 case GDK_g:
892 case GDK_G:
893 if (MOD__SHIFT_ONLY) {
894 sp_selection_to_guides();
895 ret = true;
896 }
897 break;
898 default:
899 break;
900 }
901 break;
903 case GDK_KEY_RELEASE:
904 {
905 guint keyval = get_group0_keyval(&event->key);
906 if (key_is_a_modifier (keyval))
907 event_context->defaultMessageContext()->clear();
909 bool alt = ( MOD__ALT
910 || (keyval == GDK_Alt_L)
911 || (keyval == GDK_Alt_R)
912 || (keyval == GDK_Meta_L)
913 || (keyval == GDK_Meta_R));
915 if (Inkscape::Rubberband::get()->is_started()) {
916 // if Alt then change cursor to moving cursor:
917 if (alt) {
918 Inkscape::Rubberband::get()->setMode(RUBBERBAND_MODE_RECT);
919 }
920 }
921 }
922 // set cursor to default.
923 gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, event_context->cursor);
924 break;
925 default:
926 break;
927 }
929 if (!ret) {
930 if (((SPEventContextClass *) parent_class)->root_handler)
931 ret = ((SPEventContextClass *) parent_class)->root_handler(event_context, event);
932 }
934 return ret;
935 }
938 /*
939 Local Variables:
940 mode:c++
941 c-file-style:"stroustrup"
942 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
943 indent-tabs-mode:nil
944 fill-column:99
945 End:
946 */
947 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :