1 |
/* |
2 |
* Copyright (C) 2006-2008 Andreas Persson |
3 |
* |
4 |
* This program is free software; you can redistribute it and/or |
5 |
* modify it under the terms of the GNU General Public License as |
6 |
* published by the Free Software Foundation; either version 2, or (at |
7 |
* your option) any later version. |
8 |
* |
9 |
* This program is distributed in the hope that it will be useful, but |
10 |
* WITHOUT ANY WARRANTY; without even the implied warranty of |
11 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 |
* General Public License for more details. |
13 |
* |
14 |
* You should have received a copy of the GNU General Public License |
15 |
* along with program; see the file COPYING. If not, write to the Free |
16 |
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
17 |
* 02110-1301 USA. |
18 |
*/ |
19 |
|
20 |
#include "regionchooser.h" |
21 |
#include <algorithm> |
22 |
#include <gdkmm/cursor.h> |
23 |
#include <gtkmm/stock.h> |
24 |
#include <gtkmm/spinbutton.h> |
25 |
#include <gtkmm/dialog.h> |
26 |
#include <math.h> |
27 |
|
28 |
#include "global.h" |
29 |
|
30 |
void SortedRegions::update(gig::Instrument* instrument) { |
31 |
// Usually, the regions in a gig file are ordered after their key |
32 |
// range, but there are files where they are not. The |
33 |
// RegionChooser code needs a sorted list of regions. |
34 |
regions.clear(); |
35 |
if (instrument) { |
36 |
for (gig::Region *r = instrument->GetFirstRegion() ; |
37 |
r ; |
38 |
r = instrument->GetNextRegion()) { |
39 |
regions.push_back(r); |
40 |
} |
41 |
sort(regions.begin(), regions.end(), *this); |
42 |
} |
43 |
} |
44 |
|
45 |
gig::Region* SortedRegions::first() { |
46 |
region_iterator = regions.begin(); |
47 |
return region_iterator == regions.end() ? 0 : *region_iterator; |
48 |
} |
49 |
|
50 |
gig::Region* SortedRegions::next() { |
51 |
region_iterator++; |
52 |
return region_iterator == regions.end() ? 0 : *region_iterator; |
53 |
} |
54 |
|
55 |
|
56 |
|
57 |
RegionChooser::RegionChooser() |
58 |
{ |
59 |
Glib::RefPtr<Gdk::Colormap> colormap = get_default_colormap(); |
60 |
|
61 |
red = Gdk::Color("#8070ff"); |
62 |
grey1 = Gdk::Color("#b0b0b0"); |
63 |
|
64 |
colormap->alloc_color(red); |
65 |
colormap->alloc_color(grey1); |
66 |
instrument = 0; |
67 |
region = 0; |
68 |
resize.active = false; |
69 |
move.active = false; |
70 |
cursor_is_resize = false; |
71 |
h1 = 20; |
72 |
|
73 |
actionGroup = Gtk::ActionGroup::create(); |
74 |
actionGroup->add(Gtk::Action::create("Properties", |
75 |
Gtk::Stock::PROPERTIES), |
76 |
sigc::mem_fun(*this, |
77 |
&RegionChooser::show_region_properties)); |
78 |
actionGroup->add(Gtk::Action::create("Remove", Gtk::Stock::REMOVE), |
79 |
sigc::mem_fun(*this, &RegionChooser::delete_region)); |
80 |
actionGroup->add(Gtk::Action::create("Add", Gtk::Stock::ADD), |
81 |
sigc::mem_fun(*this, &RegionChooser::add_region)); |
82 |
actionGroup->add(Gtk::Action::create("Dimensions", _("Dimensions...")), |
83 |
sigc::mem_fun(*this, &RegionChooser::manage_dimensions)); |
84 |
|
85 |
uiManager = Gtk::UIManager::create(); |
86 |
uiManager->insert_action_group(actionGroup); |
87 |
Glib::ustring ui_info = |
88 |
"<ui>" |
89 |
" <popup name='PopupMenuInsideRegion'>" |
90 |
" <menuitem action='Properties'/>" |
91 |
" <menuitem action='Dimensions'/>" |
92 |
" <menuitem action='Remove'/>" |
93 |
" </popup>" |
94 |
" <popup name='PopupMenuOutsideRegion'>" |
95 |
" <menuitem action='Add'/>" |
96 |
" </popup>" |
97 |
"</ui>"; |
98 |
uiManager->add_ui_from_string(ui_info); |
99 |
|
100 |
popup_menu_inside_region = dynamic_cast<Gtk::Menu*>( |
101 |
uiManager->get_widget("/PopupMenuInsideRegion")); |
102 |
popup_menu_outside_region = dynamic_cast<Gtk::Menu*>( |
103 |
uiManager->get_widget("/PopupMenuOutsideRegion")); |
104 |
|
105 |
add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK | |
106 |
Gdk::POINTER_MOTION_MASK | Gdk::POINTER_MOTION_HINT_MASK); |
107 |
|
108 |
dimensionManager.region_to_be_changed_signal.connect( |
109 |
region_to_be_changed_signal.make_slot() |
110 |
); |
111 |
dimensionManager.region_changed_signal.connect( |
112 |
region_changed_signal.make_slot() |
113 |
); |
114 |
dimensionManager.region_changed_signal.connect( |
115 |
sigc::hide( |
116 |
sigc::mem_fun(*this, &RegionChooser::on_dimension_manager_changed) |
117 |
) |
118 |
); |
119 |
} |
120 |
|
121 |
RegionChooser::~RegionChooser() |
122 |
{ |
123 |
} |
124 |
|
125 |
void RegionChooser::on_realize() |
126 |
{ |
127 |
// We need to call the base on_realize() |
128 |
Gtk::DrawingArea::on_realize(); |
129 |
|
130 |
// Now we can allocate any additional resources we need |
131 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
132 |
gc = Gdk::GC::create(window); |
133 |
window->clear(); |
134 |
} |
135 |
|
136 |
bool RegionChooser::on_expose_event(GdkEventExpose* event) |
137 |
{ |
138 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
139 |
window->clear(); |
140 |
const int h = 40; |
141 |
const int w = get_width() - 1; |
142 |
const int bh = int(h * 0.55); |
143 |
|
144 |
Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc(); |
145 |
Glib::RefPtr<const Gdk::GC> white = get_style()->get_white_gc(); |
146 |
|
147 |
Glib::RefPtr<Pango::Context> context = get_pango_context(); |
148 |
Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(context); |
149 |
|
150 |
window->draw_rectangle(black, false, 0, h1, w, h - 1); |
151 |
gc->set_foreground(grey1); |
152 |
int x1 = int(w * 20.5 / 128.0 + 0.5); |
153 |
int x2 = int(w * 109.5 / 128.0 + 0.5); |
154 |
window->draw_rectangle(gc, true, 1, h1 + 1, |
155 |
x1 - 1, h - 2); |
156 |
window->draw_rectangle(white, true, x1 + 1, h1 + 1, x2 - x1 - 1, h - 2); |
157 |
window->draw_rectangle(gc, true, x2 + 1, h1 + 1, |
158 |
w - x2 - 1, h - 2); |
159 |
int octave = -1; |
160 |
for (int i = 0 ; i < 128 ; i++) { |
161 |
int note = (i + 3) % 12; |
162 |
int x = int(w * i / 128.0 + 0.5); |
163 |
|
164 |
if (note == 1 || note == 4 || note == 6 || note == 9 || note == 11) { |
165 |
int x2 = int(w * (i + 0.5) / 128.0 + 0.5); |
166 |
window->draw_line(black, x2, h1 + bh, x2, h1 + h); |
167 |
|
168 |
int x3 = int(w * (i + 1) / 128.0 + 0.5); |
169 |
window->draw_rectangle(black, true, x, h1 + 1, x3 - x + 1, bh); |
170 |
} else if (note == 3 || note == 8) { |
171 |
window->draw_line(black, x, h1 + 1, x, h1 + h); |
172 |
} |
173 |
if (note == 3) { |
174 |
char buf[30]; |
175 |
sprintf(buf, "<span size=\"8000\">%d</span>", octave); |
176 |
layout->set_markup(buf); |
177 |
Pango::Rectangle rectangle = layout->get_logical_extents(); |
178 |
double text_w = double(rectangle.get_width()) / Pango::SCALE; |
179 |
double text_h = double(rectangle.get_height()) / Pango::SCALE; |
180 |
double x2 = w * (i + 0.75) / 128.0; |
181 |
window->draw_layout(black, int(x2 - text_w / 2 + 1), |
182 |
int(h1 + h - text_h + 0.5), layout); |
183 |
octave++; |
184 |
} |
185 |
} |
186 |
|
187 |
if (instrument) { |
188 |
int i = 0; |
189 |
gig::Region *next_region; |
190 |
int x3 = -1; |
191 |
for (gig::Region *r = regions.first() ; r ; r = next_region) { |
192 |
|
193 |
if (x3 < 0) x3 = int(w * (r->KeyRange.low) / 128.0 + 0.5); |
194 |
next_region = regions.next(); |
195 |
if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) { |
196 |
int x2 = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5); |
197 |
window->draw_line(black, x3, 0, x2, 0); |
198 |
window->draw_line(black, x3, h1 - 1, x2, h1 - 1); |
199 |
window->draw_line(black, x2, 1, x2, h1 - 2); |
200 |
window->draw_rectangle(white, true, x3 + 1, 1, x2 - x3 - 1, h1 - 2); |
201 |
x3 = -1; |
202 |
} |
203 |
i++; |
204 |
} |
205 |
|
206 |
for (gig::Region *r = regions.first() ; r ; r = regions.next()) { |
207 |
int x = int(w * (r->KeyRange.low) / 128.0 + 0.5); |
208 |
window->draw_line(black, x, 1, x, h1 - 2); |
209 |
} |
210 |
|
211 |
if (region) { |
212 |
int x1 = int(w * (region->KeyRange.low) / 128.0 + 0.5); |
213 |
int x2 = int(w * (region->KeyRange.high + 1) / 128.0 + 0.5); |
214 |
gc->set_foreground(red); |
215 |
window->draw_rectangle(gc, true, x1 + 1, 1, x2 - x1 - 1, h1 - 2); |
216 |
} |
217 |
} |
218 |
return true; |
219 |
} |
220 |
|
221 |
|
222 |
void RegionChooser::on_size_request(GtkRequisition* requisition) |
223 |
{ |
224 |
*requisition = GtkRequisition(); |
225 |
requisition->height = 40 + 20; |
226 |
requisition->width = 500; |
227 |
} |
228 |
|
229 |
|
230 |
// not used |
231 |
void RegionChooser::draw_region(int from, int to, const Gdk::Color& color) |
232 |
{ |
233 |
const int h = 40; |
234 |
const int w = get_width(); |
235 |
const int bh = int(h * 0.55); |
236 |
|
237 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
238 |
gc->set_foreground(color); |
239 |
|
240 |
for (int i = from ; i < to ; i++) { |
241 |
int note = (i + 3) % 12; |
242 |
int x = int(w * i / 128.0 + 0.5) + 1; |
243 |
int x2 = int(w * (i + 1.5) / 128.0 + 0.5); |
244 |
int x3 = int(w * (i + 1) / 128.0 + 0.5); |
245 |
int x4 = int(w * (i - 0.5) / 128 + 0.5) + 1; |
246 |
int w1 = x3 - x; |
247 |
switch (note) { |
248 |
case 0: case 5: case 10: |
249 |
window->draw_rectangle(gc, true, x, h1 + 1, w1, bh); |
250 |
window->draw_rectangle(gc, true, x4, h1 + bh + 1, x2 - x4, h - bh - 2); |
251 |
break; |
252 |
case 2: case 7: |
253 |
window->draw_rectangle(gc, true, x, h1 + 1, w1, bh); |
254 |
window->draw_rectangle(gc, true, x4, h1 + bh + 1, x3 - x4, h - bh - 2); |
255 |
break; |
256 |
case 3: case 8: |
257 |
window->draw_rectangle(gc, true, x, h1 + 1, w1, bh); |
258 |
window->draw_rectangle(gc, true, x, h1 + bh + 1, x2 - x, h - bh - 2); |
259 |
break; |
260 |
default: |
261 |
window->draw_rectangle(gc, true, x, h1 + 1, w1, bh - 1); |
262 |
break; |
263 |
} |
264 |
} |
265 |
} |
266 |
|
267 |
void RegionChooser::set_instrument(gig::Instrument* instrument) |
268 |
{ |
269 |
this->instrument = instrument; |
270 |
regions.update(instrument); |
271 |
region = regions.first(); |
272 |
queue_draw(); |
273 |
region_selected(); |
274 |
} |
275 |
|
276 |
bool RegionChooser::on_button_release_event(GdkEventButton* event) |
277 |
{ |
278 |
if (resize.active) { |
279 |
get_window()->pointer_ungrab(event->time); |
280 |
resize.active = false; |
281 |
|
282 |
if (resize.mode == resize.moving_high_limit) { |
283 |
if (resize.region->KeyRange.high != resize.pos - 1) { |
284 |
instrument_struct_to_be_changed_signal.emit(instrument); |
285 |
resize.region->SetKeyRange( |
286 |
resize.region->KeyRange.low, // low |
287 |
resize.pos - 1 // high |
288 |
); |
289 |
regions.update(instrument); |
290 |
instrument_changed.emit(); |
291 |
instrument_struct_changed_signal.emit(instrument); |
292 |
} |
293 |
} else if (resize.mode == resize.moving_low_limit) { |
294 |
if (resize.region->KeyRange.low != resize.pos) { |
295 |
instrument_struct_to_be_changed_signal.emit(instrument); |
296 |
resize.region->SetKeyRange( |
297 |
resize.pos, // low |
298 |
resize.region->KeyRange.high // high |
299 |
); |
300 |
regions.update(instrument); |
301 |
instrument_changed.emit(); |
302 |
instrument_struct_changed_signal.emit(instrument); |
303 |
} |
304 |
} |
305 |
|
306 |
if (!is_in_resize_zone(event->x, event->y) && cursor_is_resize) { |
307 |
get_window()->set_cursor(); |
308 |
cursor_is_resize = false; |
309 |
} |
310 |
} else if (move.active) { |
311 |
get_window()->pointer_ungrab(event->time); |
312 |
move.active = false; |
313 |
|
314 |
if (move.pos) { |
315 |
instrument_struct_to_be_changed_signal.emit(instrument); |
316 |
region->SetKeyRange( |
317 |
region->KeyRange.low + move.pos, |
318 |
region->KeyRange.high + move.pos |
319 |
); |
320 |
regions.update(instrument); |
321 |
instrument_changed.emit(); |
322 |
instrument_struct_changed_signal.emit(instrument); |
323 |
} |
324 |
|
325 |
if (is_in_resize_zone(event->x, event->y)) { |
326 |
get_window()->set_cursor(Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW)); |
327 |
cursor_is_resize = true; |
328 |
} |
329 |
} |
330 |
return true; |
331 |
} |
332 |
|
333 |
bool RegionChooser::on_button_press_event(GdkEventButton* event) |
334 |
{ |
335 |
if (!instrument) return true; |
336 |
|
337 |
int k = int(event->x / (get_width() - 1) * 128.0); |
338 |
|
339 |
if (event->type == GDK_BUTTON_PRESS && event->button == 3) { |
340 |
gig::Region* r = get_region(k); |
341 |
if (r) { |
342 |
region = r; |
343 |
queue_draw(); |
344 |
region_selected(); |
345 |
popup_menu_inside_region->popup(event->button, event->time); |
346 |
} else { |
347 |
new_region_pos = k; |
348 |
popup_menu_outside_region->popup(event->button, event->time); |
349 |
} |
350 |
} else { |
351 |
if (is_in_resize_zone(event->x, event->y)) { |
352 |
get_window()->pointer_grab(false, |
353 |
Gdk::BUTTON_RELEASE_MASK | |
354 |
Gdk::POINTER_MOTION_MASK | |
355 |
Gdk::POINTER_MOTION_HINT_MASK, |
356 |
Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW), event->time); |
357 |
resize.active = true; |
358 |
} else { |
359 |
gig::Region* r = get_region(k); |
360 |
if (r) { |
361 |
region = r; |
362 |
queue_draw(); |
363 |
region_selected(); |
364 |
|
365 |
get_window()->pointer_grab(false, |
366 |
Gdk::BUTTON_RELEASE_MASK | |
367 |
Gdk::POINTER_MOTION_MASK | |
368 |
Gdk::POINTER_MOTION_HINT_MASK, |
369 |
Gdk::Cursor(Gdk::FLEUR), event->time); |
370 |
move.active = true; |
371 |
move.from_x = event->x; |
372 |
move.pos = 0; |
373 |
} |
374 |
} |
375 |
} |
376 |
return true; |
377 |
} |
378 |
|
379 |
gig::Region* RegionChooser::get_region(int key) |
380 |
{ |
381 |
gig::Region* prev_region = 0; |
382 |
gig::Region* next_region; |
383 |
for (gig::Region *r = regions.first() ; r ; r = next_region) { |
384 |
next_region = regions.next(); |
385 |
|
386 |
if (key < r->KeyRange.low) return 0; |
387 |
if (key <= r->KeyRange.high) { |
388 |
move.touch_left = prev_region && prev_region->KeyRange.high + 1 == r->KeyRange.low; |
389 |
move.touch_right = next_region && r->KeyRange.high + 1 == next_region->KeyRange.low; |
390 |
return r; |
391 |
} |
392 |
prev_region = r; |
393 |
} |
394 |
return 0; |
395 |
} |
396 |
|
397 |
void RegionChooser::motion_resize_region(int x, int y) |
398 |
{ |
399 |
const int w = get_width() - 1; |
400 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
401 |
|
402 |
int k = int(double(x) / w * 128.0 + 0.5); |
403 |
|
404 |
if (k < resize.min) k = resize.min; |
405 |
else if (k > resize.max) k = resize.max; |
406 |
|
407 |
if (k != resize.pos) { |
408 |
if (resize.mode == resize.undecided) { |
409 |
if (k < resize.pos) { |
410 |
// edit high limit of prev_region |
411 |
resize.max = resize.region->KeyRange.low; |
412 |
resize.region = resize.prev_region; |
413 |
resize.mode = resize.moving_high_limit; |
414 |
} else { |
415 |
// edit low limit of region |
416 |
resize.min = resize.prev_region->KeyRange.high + 1; |
417 |
resize.mode = resize.moving_low_limit; |
418 |
} |
419 |
} |
420 |
Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc(); |
421 |
Glib::RefPtr<const Gdk::GC> white = get_style()->get_white_gc(); |
422 |
if (region == resize.region) { |
423 |
gc->set_foreground(red); |
424 |
white = gc; |
425 |
} |
426 |
Glib::RefPtr<const Gdk::GC> bg = get_style()->get_bg_gc(Gtk::STATE_NORMAL); |
427 |
int prevx = int(w * resize.pos / 128.0 + 0.5); |
428 |
x = int(w * k / 128.0 + 0.5); |
429 |
|
430 |
if (resize.mode == resize.moving_high_limit) { |
431 |
if (k > resize.pos) { |
432 |
window->draw_rectangle(white, true, prevx, 1, x - prevx, h1 - 2); |
433 |
window->draw_line(black, prevx, 0, x, 0); |
434 |
window->draw_line(black, prevx, h1 - 1, x, h1 - 1); |
435 |
} else { |
436 |
int xx = ((resize.pos == resize.max && resize.max != 128) ? 1 : 0); |
437 |
window->draw_rectangle(bg, true, x + 1, 0, prevx - x - xx, h1); |
438 |
} |
439 |
} else { |
440 |
if (k < resize.pos) { |
441 |
window->draw_rectangle(white, true, x + 1, 1, prevx - x, h1 - 2); |
442 |
window->draw_line(black, x, 0, prevx, 0); |
443 |
window->draw_line(black, x, h1 - 1, prevx, h1 - 1); |
444 |
} else { |
445 |
int xx = ((resize.pos == resize.min && resize.min != 0) ? 1 : 0); |
446 |
window->draw_rectangle(bg, true, prevx + xx, 0, x - prevx - xx, h1); |
447 |
} |
448 |
} |
449 |
window->draw_line(black, x, 1, x, h1 - 2); |
450 |
resize.pos = k; |
451 |
} |
452 |
} |
453 |
|
454 |
void RegionChooser::motion_move_region(int x, int y) |
455 |
{ |
456 |
const int w = get_width() - 1; |
457 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
458 |
|
459 |
int k = int(double(x - move.from_x) / w * 128.0 + 0.5); |
460 |
if (k == move.pos) return; |
461 |
int new_k; |
462 |
bool new_touch_left; |
463 |
bool new_touch_right; |
464 |
int a = 0; |
465 |
if (k > move.pos) { |
466 |
for (gig::Region* r = regions.first() ; ; r = regions.next()) { |
467 |
if (r != region) { |
468 |
int b = r ? r->KeyRange.low : 128; |
469 |
|
470 |
// gap: from a to b (not inclusive b) |
471 |
|
472 |
if (region->KeyRange.high + move.pos >= b) { |
473 |
// not found the current gap yet, just continue |
474 |
} else { |
475 |
|
476 |
if (a > region->KeyRange.low + k) { |
477 |
// this gap is too far to the right, break |
478 |
break; |
479 |
} |
480 |
|
481 |
int newhigh = std::min(region->KeyRange.high + k, b - 1); |
482 |
int newlo = newhigh - (region->KeyRange.high - region->KeyRange.low); |
483 |
|
484 |
if (newlo >= a) { |
485 |
// yes it fits - it's a candidate |
486 |
new_k = newlo - region->KeyRange.low; |
487 |
new_touch_left = a > 0 && a == newlo; |
488 |
new_touch_right = b < 128 && newhigh + 1 == b; |
489 |
} |
490 |
} |
491 |
if (!r) break; |
492 |
a = r->KeyRange.high + 1; |
493 |
} |
494 |
} |
495 |
} else { |
496 |
for (gig::Region* r = regions.first() ; ; r = regions.next()) { |
497 |
if (r != region) { |
498 |
int b = r ? r->KeyRange.low : 128; |
499 |
|
500 |
// gap from a to b (not inclusive b) |
501 |
|
502 |
if (region->KeyRange.high + k >= b) { |
503 |
// not found the current gap yet, just continue |
504 |
} else { |
505 |
|
506 |
if (a > region->KeyRange.low + move.pos) { |
507 |
// this gap is too far to the right, break |
508 |
break; |
509 |
} |
510 |
|
511 |
int newlo = std::max(region->KeyRange.low + k, a); |
512 |
int newhigh = newlo + (region->KeyRange.high - region->KeyRange.low); |
513 |
|
514 |
if (newhigh < b) { |
515 |
// yes it fits - break as the first one is the best |
516 |
new_k = newlo - region->KeyRange.low; |
517 |
new_touch_left = a > 0 && a == newlo; |
518 |
new_touch_right = b < 128 && newhigh + 1 == b; |
519 |
break; |
520 |
} |
521 |
} |
522 |
if (!r) break; |
523 |
a = r->KeyRange.high + 1; |
524 |
} |
525 |
} |
526 |
} |
527 |
k = new_k; |
528 |
if (k == move.pos) return; |
529 |
|
530 |
Glib::RefPtr<const Gdk::GC> bg = get_style()->get_bg_gc(Gtk::STATE_NORMAL); |
531 |
int prevx = int(w * (move.pos + region->KeyRange.low) / 128.0 + 0.5); |
532 |
x = int(w * (k + region->KeyRange.low) / 128.0 + 0.5); |
533 |
int prevx2 = int(w * (move.pos + region->KeyRange.high + 1) / 128.0 + 0.5); |
534 |
int x2 = int(w * (k + region->KeyRange.high + 1) / 128.0 + 0.5); |
535 |
Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc(); |
536 |
gc->set_foreground(red); |
537 |
|
538 |
if (!new_touch_left) window->draw_line(black, x, 1, x, h1 - 2); |
539 |
if (!new_touch_right) window->draw_line(black, x2, 1, x2, h1 - 2); |
540 |
|
541 |
if (k > move.pos) { |
542 |
window->draw_rectangle(bg, true, prevx + (move.touch_left ? 1 : 0), 0, |
543 |
std::min(x, prevx2 + 1 - (move.touch_right ? 1 : 0)) - |
544 |
(prevx + (move.touch_left ? 1 : 0)), h1); |
545 |
|
546 |
window->draw_line(black, std::max(x, prevx2 + 1), 0, x2, 0); |
547 |
window->draw_line(black, std::max(x, prevx2 + 1), h1 - 1, x2, h1 - 1); |
548 |
window->draw_rectangle(gc, true, std::max(x + 1, prevx2), 1, |
549 |
x2 - std::max(x + 1, prevx2), h1 - 2); |
550 |
} else { |
551 |
window->draw_rectangle(bg, true, std::max(x2 + 1, prevx + (move.touch_left ? 1 : 0)), 0, |
552 |
prevx2 + 1 - (move.touch_right ? 1 : 0) - |
553 |
std::max(x2 + 1, prevx + (move.touch_left ? 1 : 0)), h1); |
554 |
|
555 |
window->draw_line(black, x, 0, std::min(x2, prevx - 1), 0); |
556 |
window->draw_line(black, x, h1 - 1, std::min(x2, prevx - 1), h1 - 1); |
557 |
|
558 |
window->draw_rectangle(gc, true, x + 1, 1, std::min(x2 - 1, prevx) - x, h1 - 2); |
559 |
} |
560 |
|
561 |
move.pos = k; |
562 |
move.touch_left = new_touch_left; |
563 |
move.touch_right = new_touch_right; |
564 |
} |
565 |
|
566 |
|
567 |
bool RegionChooser::on_motion_notify_event(GdkEventMotion* event) |
568 |
{ |
569 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
570 |
int x, y; |
571 |
Gdk::ModifierType state = Gdk::ModifierType(0); |
572 |
window->get_pointer(x, y, state); |
573 |
|
574 |
if (resize.active) { |
575 |
motion_resize_region(x, y); |
576 |
} else if (move.active) { |
577 |
motion_move_region(x, y); |
578 |
} else { |
579 |
if (is_in_resize_zone(x, y)) { |
580 |
if (!cursor_is_resize) { |
581 |
window->set_cursor(Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW)); |
582 |
cursor_is_resize = true; |
583 |
} |
584 |
} else if (cursor_is_resize) { |
585 |
window->set_cursor(); |
586 |
cursor_is_resize = false; |
587 |
} |
588 |
} |
589 |
|
590 |
return true; |
591 |
} |
592 |
|
593 |
bool RegionChooser::is_in_resize_zone(double x, double y) { |
594 |
const int w = get_width() - 1; |
595 |
|
596 |
if (instrument && y >= 0 && y <= h1) { |
597 |
gig::Region* prev_region = 0; |
598 |
gig::Region* next_region; |
599 |
for (gig::Region* r = regions.first(); r ; r = next_region) { |
600 |
next_region = regions.next(); |
601 |
|
602 |
int lo = int(w * (r->KeyRange.low) / 128.0 + 0.5); |
603 |
if (x <= lo - 2) break; |
604 |
if (x < lo + 2) { |
605 |
resize.region = r; |
606 |
resize.pos = r->KeyRange.low; |
607 |
resize.max = r->KeyRange.high; |
608 |
|
609 |
if (prev_region && prev_region->KeyRange.high + 1 == r->KeyRange.low) { |
610 |
// we don't know yet if it's the high limit of |
611 |
// prev_region or the low limit of r that's going |
612 |
// to be edited |
613 |
resize.mode = resize.undecided; |
614 |
resize.min = prev_region->KeyRange.low + 1; |
615 |
resize.prev_region = prev_region; |
616 |
return resize.min != resize.max; |
617 |
} |
618 |
|
619 |
// edit low limit |
620 |
resize.mode = resize.moving_low_limit; |
621 |
resize.min = prev_region ? prev_region->KeyRange.high + 1 : 0; |
622 |
return resize.min != resize.max; |
623 |
} |
624 |
if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) { |
625 |
int hi = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5); |
626 |
if (x <= hi - 2) break; |
627 |
if (x < hi + 2) { |
628 |
// edit high limit |
629 |
resize.region = r; |
630 |
resize.pos = r->KeyRange.high + 1; |
631 |
resize.mode = resize.moving_high_limit; |
632 |
resize.min = r->KeyRange.low + 1; |
633 |
resize.max = next_region ? next_region->KeyRange.low : 128; |
634 |
return resize.min != resize.max; |
635 |
} |
636 |
} |
637 |
prev_region = r; |
638 |
} |
639 |
} |
640 |
return false; |
641 |
} |
642 |
|
643 |
sigc::signal<void>& RegionChooser::signal_region_selected() |
644 |
{ |
645 |
return region_selected; |
646 |
} |
647 |
|
648 |
sigc::signal<void>& RegionChooser::signal_instrument_changed() |
649 |
{ |
650 |
return instrument_changed; |
651 |
} |
652 |
|
653 |
void RegionChooser::show_region_properties() |
654 |
{ |
655 |
if (!region) return; |
656 |
Gtk::Dialog dialog("Region Properties", true /*modal*/); |
657 |
// add "Keygroup" checkbox |
658 |
Gtk::CheckButton checkBoxKeygroup("Member of a Keygroup (Exclusive Group)"); |
659 |
checkBoxKeygroup.set_active(region->KeyGroup); |
660 |
dialog.get_vbox()->pack_start(checkBoxKeygroup); |
661 |
checkBoxKeygroup.show(); |
662 |
// add "Keygroup" spinbox |
663 |
Gtk::Adjustment adjustment(1, 1, pow(2,32)); |
664 |
Gtk::SpinButton spinBox(adjustment); |
665 |
if (region->KeyGroup) spinBox.set_value(region->KeyGroup); |
666 |
dialog.get_vbox()->pack_start(spinBox); |
667 |
spinBox.show(); |
668 |
// add OK and CANCEL buttons to the dialog |
669 |
dialog.add_button(Gtk::Stock::OK, 0); |
670 |
dialog.add_button(Gtk::Stock::CANCEL, 1); |
671 |
dialog.show_all_children(); |
672 |
if (!dialog.run()) { // OK selected ... |
673 |
region->KeyGroup = |
674 |
(checkBoxKeygroup.get_active()) ? spinBox.get_value_as_int() : 0; |
675 |
} |
676 |
} |
677 |
|
678 |
void RegionChooser::add_region() |
679 |
{ |
680 |
instrument_struct_to_be_changed_signal.emit(instrument); |
681 |
|
682 |
region = instrument->AddRegion(); |
683 |
region->SetKeyRange(new_region_pos, new_region_pos); |
684 |
|
685 |
instrument_struct_changed_signal.emit(instrument); |
686 |
regions.update(instrument); |
687 |
|
688 |
queue_draw(); |
689 |
region_selected(); |
690 |
instrument_changed(); |
691 |
} |
692 |
|
693 |
void RegionChooser::delete_region() |
694 |
{ |
695 |
instrument_struct_to_be_changed_signal.emit(instrument); |
696 |
instrument->DeleteRegion(region); |
697 |
instrument_struct_changed_signal.emit(instrument); |
698 |
regions.update(instrument); |
699 |
|
700 |
region = 0; |
701 |
queue_draw(); |
702 |
region_selected(); |
703 |
instrument_changed(); |
704 |
} |
705 |
|
706 |
void RegionChooser::manage_dimensions() |
707 |
{ |
708 |
gig::Region* region = get_region(); |
709 |
if (!region) return; |
710 |
dimensionManager.show(region); |
711 |
} |
712 |
|
713 |
void RegionChooser::on_dimension_manager_changed() { |
714 |
region_selected(); |
715 |
instrument_changed(); |
716 |
} |
717 |
|
718 |
sigc::signal<void, gig::Instrument*>& RegionChooser::signal_instrument_struct_to_be_changed() { |
719 |
return instrument_struct_to_be_changed_signal; |
720 |
} |
721 |
|
722 |
sigc::signal<void, gig::Instrument*>& RegionChooser::signal_instrument_struct_changed() { |
723 |
return instrument_struct_changed_signal; |
724 |
} |
725 |
|
726 |
sigc::signal<void, gig::Region*>& RegionChooser::signal_region_to_be_changed() { |
727 |
return region_to_be_changed_signal; |
728 |
} |
729 |
|
730 |
sigc::signal<void, gig::Region*>& RegionChooser::signal_region_changed_signal() { |
731 |
return region_changed_signal; |
732 |
} |