1 #define __SP_TWEAK_CONTEXT_C__
3 /*
4 * tweaking paths without node editing
5 *
6 * Authors:
7 * bulia byak
8 *
9 * Copyright (C) 2007 authors
10 *
11 * Released under GNU GPL, read the file 'COPYING' for more information
12 */
14 #define noTWEAK_VERBOSE
16 #include "config.h"
18 #include <gtk/gtk.h>
19 #include <gdk/gdkkeysyms.h>
20 #include <glibmm/i18n.h>
22 #include <numeric>
24 #include "svg/svg.h"
25 #include "display/canvas-bpath.h"
26 #include "display/bezier-utils.h"
28 #include <glib/gmem.h>
29 #include "macros.h"
30 #include "document.h"
31 #include "selection.h"
32 #include "desktop.h"
33 #include "desktop-events.h"
34 #include "desktop-handles.h"
35 #include "desktop-affine.h"
36 #include "desktop-style.h"
37 #include "message-context.h"
38 #include "pixmaps/cursor-thin.xpm"
39 #include "pixmaps/cursor-thicken.xpm"
40 #include "pixmaps/cursor-push.xpm"
41 #include "pixmaps/cursor-roughen.xpm"
42 #include "libnr/n-art-bpath.h"
43 #include "libnr/nr-path.h"
44 #include "libnr/nr-matrix-ops.h"
45 #include "libnr/nr-scale-translate-ops.h"
46 #include "xml/repr.h"
47 #include "context-fns.h"
48 #include "sp-item.h"
49 #include "inkscape.h"
50 #include "color.h"
51 #include "splivarot.h"
52 #include "sp-item-group.h"
53 #include "sp-shape.h"
54 #include "sp-path.h"
55 #include "path-chemistry.h"
56 #include "sp-text.h"
57 #include "sp-flowtext.h"
58 #include "display/canvas-bpath.h"
59 #include "display/canvas-arena.h"
60 #include "livarot/Shape.h"
61 #include "isnan.h"
62 #include "prefs-utils.h"
64 #include "tweak-context.h"
66 #define DDC_RED_RGBA 0xff0000ff
68 #define DYNA_MIN_WIDTH 1.0e-6
70 // FIXME: move it to some shared file to be reused by both calligraphy and dropper
71 #define C1 0.552
72 static NArtBpath const hatch_area_circle[] = {
73 { NR_MOVETO, 0, 0, 0, 0, -1, 0 },
74 { NR_CURVETO, -1, C1, -C1, 1, 0, 1 },
75 { NR_CURVETO, C1, 1, 1, C1, 1, 0 },
76 { NR_CURVETO, 1, -C1, C1, -1, 0, -1 },
77 { NR_CURVETO, -C1, -1, -1, -C1, -1, 0 },
78 { NR_END, 0, 0, 0, 0, 0, 0 }
79 };
80 #undef C1
83 static void sp_tweak_context_class_init(SPTweakContextClass *klass);
84 static void sp_tweak_context_init(SPTweakContext *ddc);
85 static void sp_tweak_context_dispose(GObject *object);
87 static void sp_tweak_context_setup(SPEventContext *ec);
88 static void sp_tweak_context_set(SPEventContext *ec, gchar const *key, gchar const *val);
89 static gint sp_tweak_context_root_handler(SPEventContext *ec, GdkEvent *event);
91 static SPEventContextClass *parent_class;
93 GtkType
94 sp_tweak_context_get_type(void)
95 {
96 static GType type = 0;
97 if (!type) {
98 GTypeInfo info = {
99 sizeof(SPTweakContextClass),
100 NULL, NULL,
101 (GClassInitFunc) sp_tweak_context_class_init,
102 NULL, NULL,
103 sizeof(SPTweakContext),
104 4,
105 (GInstanceInitFunc) sp_tweak_context_init,
106 NULL, /* value_table */
107 };
108 type = g_type_register_static(SP_TYPE_EVENT_CONTEXT, "SPTweakContext", &info, (GTypeFlags)0);
109 }
110 return type;
111 }
113 static void
114 sp_tweak_context_class_init(SPTweakContextClass *klass)
115 {
116 GObjectClass *object_class = (GObjectClass *) klass;
117 SPEventContextClass *event_context_class = (SPEventContextClass *) klass;
119 parent_class = (SPEventContextClass*)g_type_class_peek_parent(klass);
121 object_class->dispose = sp_tweak_context_dispose;
123 event_context_class->setup = sp_tweak_context_setup;
124 event_context_class->set = sp_tweak_context_set;
125 event_context_class->root_handler = sp_tweak_context_root_handler;
126 }
128 static void
129 sp_tweak_context_init(SPTweakContext *tc)
130 {
131 SPEventContext *event_context = SP_EVENT_CONTEXT(tc);
133 event_context->cursor_shape = cursor_push_xpm;
134 event_context->hot_x = 4;
135 event_context->hot_y = 4;
137 /* attributes */
138 tc->dragging = FALSE;
140 tc->width = 0.2;
141 tc->force = 0.2;
142 tc->pressure = TC_DEFAULT_PRESSURE;
144 tc->is_dilating = false;
145 tc->has_dilated = false;
146 }
148 static void
149 sp_tweak_context_dispose(GObject *object)
150 {
151 SPTweakContext *tc = SP_TWEAK_CONTEXT(object);
153 if (tc->dilate_area) {
154 gtk_object_destroy(GTK_OBJECT(tc->dilate_area));
155 tc->dilate_area = NULL;
156 }
158 if (tc->_message_context) {
159 delete tc->_message_context;
160 }
162 G_OBJECT_CLASS(parent_class)->dispose(object);
163 }
165 void
166 sp_tweak_update_cursor (SPTweakContext *tc, gint mode)
167 {
168 SPEventContext *event_context = SP_EVENT_CONTEXT(tc);
169 switch (mode) {
170 case TWEAK_MODE_PUSH:
171 event_context->cursor_shape = cursor_push_xpm;
172 break;
173 case TWEAK_MODE_SUCK:
174 event_context->cursor_shape = cursor_thin_xpm;
175 break;
176 case TWEAK_MODE_BLOW:
177 event_context->cursor_shape = cursor_thicken_xpm;
178 break;
179 case TWEAK_MODE_ROUGHEN:
180 event_context->cursor_shape = cursor_roughen_xpm;
181 break;
182 }
183 sp_event_context_update_cursor(event_context);
184 }
186 static void
187 sp_tweak_context_setup(SPEventContext *ec)
188 {
189 SPTweakContext *tc = SP_TWEAK_CONTEXT(ec);
191 if (((SPEventContextClass *) parent_class)->setup)
192 ((SPEventContextClass *) parent_class)->setup(ec);
194 {
195 SPCurve *c = sp_curve_new_from_foreign_bpath(hatch_area_circle);
196 tc->dilate_area = sp_canvas_bpath_new(sp_desktop_controls(ec->desktop), c);
197 sp_curve_unref(c);
198 sp_canvas_bpath_set_fill(SP_CANVAS_BPATH(tc->dilate_area), 0x00000000,(SPWindRule)0);
199 sp_canvas_bpath_set_stroke(SP_CANVAS_BPATH(tc->dilate_area), 0xff9900ff, 1.0, SP_STROKE_LINEJOIN_MITER, SP_STROKE_LINECAP_BUTT);
200 sp_canvas_item_hide(tc->dilate_area);
201 }
203 sp_event_context_read(ec, "width");
204 sp_event_context_read(ec, "mode");
205 sp_event_context_read(ec, "fidelity");
206 sp_event_context_read(ec, "force");
207 sp_event_context_read(ec, "usepressure");
209 tc->is_drawing = false;
211 tc->_message_context = new Inkscape::MessageContext((ec->desktop)->messageStack());
212 }
214 static void
215 sp_tweak_context_set(SPEventContext *ec, gchar const *key, gchar const *val)
216 {
217 SPTweakContext *tc = SP_TWEAK_CONTEXT(ec);
219 if (!strcmp(key, "width")) {
220 double const dval = ( val ? g_ascii_strtod (val, NULL) : 0.1 );
221 tc->width = CLAMP(dval, -1000.0, 1000.0);
222 } else if (!strcmp(key, "mode")) {
223 gint64 const dval = ( val ? g_ascii_strtoll (val, NULL, 10) : 0 );
224 tc->mode = dval;
225 sp_tweak_update_cursor(tc, tc->mode);
226 } else if (!strcmp(key, "fidelity")) {
227 double const dval = ( val ? g_ascii_strtod (val, NULL) : 0.0 );
228 tc->fidelity = CLAMP(dval, 0.0, 1.0);
229 } else if (!strcmp(key, "force")) {
230 double const dval = ( val ? g_ascii_strtod (val, NULL) : 1.0 );
231 tc->force = CLAMP(dval, 0, 1.0);
232 } else if (!strcmp(key, "usepressure")) {
233 tc->usepressure = (val && strcmp(val, "0"));
234 }
235 }
237 static void
238 sp_tweak_extinput(SPTweakContext *tc, GdkEvent *event)
239 {
240 if (gdk_event_get_axis (event, GDK_AXIS_PRESSURE, &tc->pressure))
241 tc->pressure = CLAMP (tc->pressure, TC_MIN_PRESSURE, TC_MAX_PRESSURE);
242 else
243 tc->pressure = TC_DEFAULT_PRESSURE;
244 }
246 double
247 get_dilate_radius (SPTweakContext *tc)
248 {
249 // 10 times the pen width:
250 return 500 * tc->width/SP_EVENT_CONTEXT(tc)->desktop->current_zoom();
251 }
253 double
254 get_dilate_force (SPTweakContext *tc)
255 {
256 double force = 8 * (tc->usepressure? tc->pressure : TC_DEFAULT_PRESSURE)
257 /sqrt(SP_EVENT_CONTEXT(tc)->desktop->current_zoom());
258 if (force > 3) {
259 force += 4 * (force - 3);
260 }
261 return force * tc->force;
262 }
264 bool
265 sp_tweak_dilate_recursive (Inkscape::Selection *selection, SPItem *item, NR::Point p, NR::Point vector, gint mode, double radius, double force, double fidelity)
266 {
267 bool did = false;
269 if (SP_IS_GROUP(item)) {
270 for (SPObject *child = sp_object_first_child(SP_OBJECT(item)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
271 if (SP_IS_ITEM(child)) {
272 if (sp_tweak_dilate_recursive (selection, SP_ITEM(child), p, vector, mode, radius, force, fidelity))
273 did = true;
274 }
275 }
277 } else if (SP_IS_PATH(item) || SP_IS_SHAPE(item) || SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item)) {
279 Inkscape::XML::Node *newrepr = NULL;
280 gint pos = 0;
281 Inkscape::XML::Node *parent = NULL;
282 char const *id = NULL;
283 if (!SP_IS_PATH(item)) {
284 newrepr = sp_selected_item_to_curved_repr(item, 0);
285 if (!newrepr)
286 return false;
288 // remember the position of the item
289 pos = SP_OBJECT_REPR(item)->position();
290 // remember parent
291 parent = SP_OBJECT_REPR(item)->parent();
292 // remember id
293 id = SP_OBJECT_REPR(item)->attribute("id");
294 }
297 // skip those paths whose bboxes are entirely out of reach with our radius
298 NR::Maybe<NR::Rect> bbox = item->getBounds(sp_item_i2doc_affine(item));
299 if (bbox) {
300 bbox->growBy(radius);
301 if (!bbox->contains(p)) {
302 return false;
303 }
304 }
306 Path *orig = Path_for_item(item, false);
307 if (orig == NULL) {
308 return false;
309 }
310 Path *res = new Path;
311 res->SetBackData(false);
313 Shape *theShape = new Shape;
314 Shape *theRes = new Shape;
316 orig->ConvertWithBackData(0.08 - (0.07 * fidelity)); // default 0.059
317 orig->Fill(theShape, 0);
319 SPCSSAttr *css = sp_repr_css_attr(SP_OBJECT_REPR(item), "style");
320 gchar const *val = sp_repr_css_property(css, "fill-rule", NULL);
321 if (val && strcmp(val, "nonzero") == 0)
322 {
323 theRes->ConvertToShape(theShape, fill_nonZero);
324 }
325 else if (val && strcmp(val, "evenodd") == 0)
326 {
327 theRes->ConvertToShape(theShape, fill_oddEven);
328 }
329 else
330 {
331 theRes->ConvertToShape(theShape, fill_nonZero);
332 }
334 if (NR::L2(vector) != 0)
335 vector = 1/NR::L2(vector) * vector;
337 bool did_this = false;
338 NR::Matrix i2doc(sp_item_i2doc_affine(item));
339 if (mode == TWEAK_MODE_SUCK || mode == TWEAK_MODE_BLOW) {
340 if (theShape->MakeOffset(theRes,
341 mode == TWEAK_MODE_BLOW? force : -force,
342 join_straight, 4.0,
343 true, p[NR::X], p[NR::Y], radius, &i2doc) == 0) // 0 means the shape was actually changed
344 did_this = true;
345 } else if (mode == TWEAK_MODE_PUSH) {
346 if (theShape->MakePush(theRes,
347 join_straight, 4.0,
348 true, p, force*2*vector, radius, &i2doc) == 0)
349 did_this = true;
350 } else if (mode == TWEAK_MODE_ROUGHEN) {
351 if (theShape->MakeJitter(theRes,
352 join_straight, 4.0,
353 true, p, force, radius, &i2doc) == 0)
354 did_this = true;
355 }
357 // the rest only makes sense if we actually changed the path
358 if (did_this) {
359 theRes->ConvertToShape(theShape, fill_positive);
361 res->Reset();
362 theRes->ConvertToForme(res);
364 double th_max = 0.6 - 0.59*sqrt(fidelity);
365 double threshold = MAX(th_max, th_max*force);
366 res->ConvertEvenLines(threshold);
367 res->Simplify(threshold);
369 if (newrepr) { // converting to path, need to replace the repr
370 bool is_selected = selection->includes(item);
371 if (is_selected)
372 selection->remove(item);
374 // It's going to resurrect, so we delete without notifying listeners.
375 SP_OBJECT(item)->deleteObject(false);
377 // restore id
378 newrepr->setAttribute("id", id);
379 // add the new repr to the parent
380 parent->appendChild(newrepr);
381 // move to the saved position
382 newrepr->setPosition(pos > 0 ? pos : 0);
384 if (is_selected)
385 selection->add(newrepr);
386 }
388 if (res->descr_cmd.size() > 1) {
389 gchar *str = res->svg_dump_path();
390 if (newrepr)
391 newrepr->setAttribute("d", str);
392 else
393 SP_OBJECT_REPR(item)->setAttribute("d", str);
394 g_free(str);
395 } else {
396 // TODO: if there's 0 or 1 node left, delete this path altogether
397 }
399 if (newrepr) {
400 Inkscape::GC::release(newrepr);
401 newrepr = NULL;
402 }
403 }
405 delete theShape;
406 delete theRes;
407 delete orig;
408 delete res;
410 if (did_this)
411 did = true;
412 }
414 return did;
415 }
418 bool
419 sp_tweak_dilate (SPTweakContext *tc, NR::Point p, NR::Point vector)
420 {
421 Inkscape::Selection *selection = sp_desktop_selection(SP_EVENT_CONTEXT(tc)->desktop);
423 if (selection->isEmpty()) {
424 return false;
425 }
427 bool did = false;
428 double radius = get_dilate_radius(tc);
429 double force = get_dilate_force(tc);
430 if (radius == 0 || force == 0) {
431 return false;
432 }
434 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
435 items != NULL;
436 items = items->next) {
438 SPItem *item = (SPItem *) items->data;
440 if (sp_tweak_dilate_recursive (selection, item, p, vector, tc->mode, radius, force, tc->fidelity))
441 did = true;
443 }
445 return did;
446 }
448 void
449 sp_tweak_update_area (SPTweakContext *tc)
450 {
451 double radius = get_dilate_radius(tc);
452 NR::Matrix const sm (NR::scale(radius, radius) * NR::translate(SP_EVENT_CONTEXT(tc)->desktop->point()));
453 sp_canvas_item_affine_absolute(tc->dilate_area, sm);
454 sp_canvas_item_show(tc->dilate_area);
455 }
457 void
458 sp_tweak_switch_mode (SPTweakContext *tc, gint mode)
459 {
460 SP_EVENT_CONTEXT(tc)->desktop->setToolboxSelectOneValue ("tweak_tool_mode", mode);
461 // need to set explicitly, because the prefs may not have changed by the previous
462 tc->mode = mode;
463 sp_tweak_update_cursor (tc, mode);
464 }
466 void
467 sp_tweak_switch_mode_temporarily (SPTweakContext *tc, gint mode)
468 {
469 // Juggling about so that prefs have the old value but tc->mode and the button show new mode:
470 gint now_mode = prefs_get_int_attribute("tools.tweak", "mode", 0);
471 SP_EVENT_CONTEXT(tc)->desktop->setToolboxSelectOneValue ("tweak_tool_mode", mode);
472 sp_tweak_update_cursor (tc, mode);
473 // button has changed prefs, restore
474 prefs_set_int_attribute("tools.tweak", "mode", now_mode);
475 // changing prefs changed tc->mode, restore back :)
476 tc->mode = mode;
477 }
479 gint
480 sp_tweak_context_root_handler(SPEventContext *event_context,
481 GdkEvent *event)
482 {
483 SPTweakContext *tc = SP_TWEAK_CONTEXT(event_context);
484 SPDesktop *desktop = event_context->desktop;
486 gint ret = FALSE;
488 switch (event->type) {
489 case GDK_BUTTON_PRESS:
490 if (event->button.button == 1 && !event_context->space_panning) {
492 if (Inkscape::have_viable_layer(desktop, tc->_message_context) == false) {
493 return TRUE;
494 }
496 NR::Point const button_w(event->button.x,
497 event->button.y);
498 NR::Point const button_dt(desktop->w2d(button_w));
499 tc->last_push = desktop->dt2doc(button_dt);
501 sp_tweak_extinput(tc, event);
503 sp_canvas_force_full_redraw_after_interruptions(desktop->canvas, 3);
504 tc->is_drawing = true;
505 tc->is_dilating = true;
506 tc->has_dilated = false;
508 ret = TRUE;
509 }
510 break;
511 case GDK_MOTION_NOTIFY:
512 {
513 NR::Point const motion_w(event->motion.x,
514 event->motion.y);
515 NR::Point motion_dt(desktop->w2d(motion_w));
516 NR::Point motion_doc(desktop->dt2doc(motion_dt));
517 sp_tweak_extinput(tc, event);
519 // draw the dilating cursor
520 double radius = get_dilate_radius(tc);
521 NR::Matrix const sm (NR::scale(radius, radius) * NR::translate(desktop->w2d(motion_w)));
522 sp_canvas_item_affine_absolute(tc->dilate_area, sm);
523 sp_canvas_item_show(tc->dilate_area);
525 guint num = 0;
526 if (!desktop->selection->isEmpty()) {
527 num = g_slist_length((GSList *) desktop->selection->itemList());
528 }
529 if (num == 0) {
530 tc->_message_context->set(Inkscape::NORMAL_MESSAGE, _("<b>Select objects</b> to tweak"));
531 } else {
532 switch (tc->mode) {
533 case TWEAK_MODE_PUSH:
534 tc->_message_context->setF(Inkscape::NORMAL_MESSAGE,
535 _("<b>Pushing %d</b> selected object(s)"), num);
536 break;
537 case TWEAK_MODE_SUCK:
538 tc->_message_context->setF(Inkscape::NORMAL_MESSAGE,
539 _("<b>Melting %d</b> selected object(s)"), num);
540 break;
541 case TWEAK_MODE_BLOW:
542 tc->_message_context->setF(Inkscape::NORMAL_MESSAGE,
543 _("<b>Blowing %d</b> selected object(s)"), num);
544 break;
545 case TWEAK_MODE_ROUGHEN:
546 tc->_message_context->setF(Inkscape::NORMAL_MESSAGE,
547 _("<b>Roughening %d</b> selected object(s)"), num);
548 break;
549 }
550 }
553 // dilating:
554 if (tc->is_drawing && ( event->motion.state & GDK_BUTTON1_MASK )) {
555 sp_tweak_dilate (tc, motion_doc, motion_doc - tc->last_push);
556 //tc->last_push = motion_doc;
557 tc->has_dilated = true;
558 // it's slow, so prevent clogging up with events
559 gobble_motion_events(GDK_BUTTON1_MASK);
560 return TRUE;
561 }
563 }
564 break;
567 case GDK_BUTTON_RELEASE:
568 {
569 NR::Point const motion_w(event->button.x, event->button.y);
570 NR::Point const motion_dt(desktop->w2d(motion_w));
572 sp_canvas_end_forced_full_redraws(desktop->canvas);
573 tc->is_drawing = false;
575 if (tc->is_dilating && event->button.button == 1 && !event_context->space_panning) {
576 if (!tc->has_dilated) {
577 // if we did not rub, do a light tap
578 tc->pressure = 0.03;
579 sp_tweak_dilate (tc, desktop->dt2doc(motion_dt), NR::Point(0,0));
580 }
581 tc->is_dilating = false;
582 tc->has_dilated = false;
583 sp_document_done(sp_desktop_document(SP_EVENT_CONTEXT(tc)->desktop),
584 SP_VERB_CONTEXT_TWEAK,
585 (tc->mode==TWEAK_MODE_BLOW ? _("Blow tweak") : (tc->mode==TWEAK_MODE_SUCK ? _("Melt tweak") : (tc->mode==TWEAK_MODE_PUSH ? _("Push tweak") : _("Roughen tweak")))));
586 ret = TRUE;
588 }
589 break;
590 }
592 case GDK_KEY_PRESS:
593 switch (get_group0_keyval (&event->key)) {
594 case GDK_p:
595 case GDK_P:
596 case GDK_1:
597 if (MOD__SHIFT_ONLY) {
598 sp_tweak_switch_mode(tc, TWEAK_MODE_PUSH);
599 ret = TRUE;
600 }
601 break;
602 case GDK_m:
603 case GDK_M:
604 case GDK_2:
605 if (MOD__SHIFT_ONLY) {
606 sp_tweak_switch_mode(tc, TWEAK_MODE_SUCK);
607 ret = TRUE;
608 }
609 break;
610 case GDK_b:
611 case GDK_B:
612 case GDK_3:
613 if (MOD__SHIFT_ONLY) {
614 sp_tweak_switch_mode(tc, TWEAK_MODE_BLOW);
615 ret = TRUE;
616 }
617 break;
618 case GDK_r:
619 case GDK_R:
620 case GDK_4:
621 if (MOD__SHIFT_ONLY) {
622 sp_tweak_switch_mode(tc, TWEAK_MODE_ROUGHEN);
623 ret = TRUE;
624 }
625 break;
627 case GDK_Up:
628 case GDK_KP_Up:
629 if (!MOD__CTRL_ONLY) {
630 tc->force += 0.05;
631 if (tc->force > 1.0)
632 tc->force = 1.0;
633 desktop->setToolboxAdjustmentValue ("tweak-force", tc->force * 100);
634 ret = TRUE;
635 }
636 break;
637 case GDK_Down:
638 case GDK_KP_Down:
639 if (!MOD__CTRL_ONLY) {
640 tc->force -= 0.05;
641 if (tc->force < 0.0)
642 tc->force = 0.0;
643 desktop->setToolboxAdjustmentValue ("tweak-force", tc->force * 100);
644 ret = TRUE;
645 }
646 break;
647 case GDK_Right:
648 case GDK_KP_Right:
649 if (!MOD__CTRL_ONLY) {
650 tc->width += 0.01;
651 if (tc->width > 1.0)
652 tc->width = 1.0;
653 desktop->setToolboxAdjustmentValue ("altx-tweak", tc->width * 100); // the same spinbutton is for alt+x
654 sp_tweak_update_area(tc);
655 ret = TRUE;
656 }
657 break;
658 case GDK_Left:
659 case GDK_KP_Left:
660 if (!MOD__CTRL_ONLY) {
661 tc->width -= 0.01;
662 if (tc->width < 0.01)
663 tc->width = 0.01;
664 desktop->setToolboxAdjustmentValue ("altx-tweak", tc->width * 100);
665 sp_tweak_update_area(tc);
666 ret = TRUE;
667 }
668 break;
669 case GDK_Home:
670 case GDK_KP_Home:
671 tc->width = 0.01;
672 desktop->setToolboxAdjustmentValue ("altx-tweak", tc->width * 100);
673 sp_tweak_update_area(tc);
674 ret = TRUE;
675 break;
676 case GDK_End:
677 case GDK_KP_End:
678 tc->width = 1.0;
679 desktop->setToolboxAdjustmentValue ("altx-tweak", tc->width * 100);
680 sp_tweak_update_area(tc);
681 ret = TRUE;
682 break;
683 case GDK_x:
684 case GDK_X:
685 if (MOD__ALT_ONLY) {
686 desktop->setToolboxFocusTo ("altx-tweak");
687 ret = TRUE;
688 }
689 break;
691 case GDK_Control_L:
692 case GDK_Control_R:
693 if (MOD__SHIFT) {
694 sp_tweak_switch_mode_temporarily(tc, TWEAK_MODE_BLOW);
695 } else {
696 sp_tweak_switch_mode_temporarily(tc, TWEAK_MODE_SUCK);
697 }
698 break;
699 case GDK_Shift_L:
700 case GDK_Shift_R:
701 if (MOD__CTRL) {
702 sp_tweak_switch_mode_temporarily(tc, TWEAK_MODE_BLOW);
703 }
704 break;
705 default:
706 break;
707 }
708 break;
710 case GDK_KEY_RELEASE:
711 switch (get_group0_keyval(&event->key)) {
712 case GDK_Control_L:
713 case GDK_Control_R:
714 sp_tweak_switch_mode (tc, prefs_get_int_attribute("tools.tweak", "mode", 0));
715 tc->_message_context->clear();
716 break;
717 case GDK_Shift_L:
718 case GDK_Shift_R:
719 if (MOD__CTRL) {
720 sp_tweak_switch_mode_temporarily(tc, TWEAK_MODE_SUCK);
721 }
722 break;
723 break;
724 default:
725 sp_tweak_switch_mode (tc, prefs_get_int_attribute("tools.tweak", "mode", 0));
726 break;
727 }
729 default:
730 break;
731 }
733 if (!ret) {
734 if (((SPEventContextClass *) parent_class)->root_handler) {
735 ret = ((SPEventContextClass *) parent_class)->root_handler(event_context, event);
736 }
737 }
739 return ret;
740 }
743 /*
744 Local Variables:
745 mode:c++
746 c-file-style:"stroustrup"
747 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
748 indent-tabs-mode:nil
749 fill-column:99
750 End:
751 */
752 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :