1 |
/* |
2 |
* Copyright (C) 2006, 2007 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 <gdkmm/cursor.h> |
22 |
#include <gtkmm/stock.h> |
23 |
#include <gtkmm/spinbutton.h> |
24 |
#include <gtkmm/dialog.h> |
25 |
#include <libintl.h> |
26 |
#include <math.h> |
27 |
|
28 |
#define _(String) gettext(String) |
29 |
|
30 |
RegionChooser::RegionChooser() |
31 |
{ |
32 |
Glib::RefPtr<Gdk::Colormap> colormap = get_default_colormap(); |
33 |
|
34 |
red = Gdk::Color("#8070ff"); |
35 |
grey1 = Gdk::Color("#b0b0b0"); |
36 |
|
37 |
colormap->alloc_color(red); |
38 |
colormap->alloc_color(grey1); |
39 |
instrument = 0; |
40 |
region = 0; |
41 |
resize.active = false; |
42 |
cursor_is_resize = false; |
43 |
h1 = 20; |
44 |
width = 800; |
45 |
|
46 |
actionGroup = Gtk::ActionGroup::create(); |
47 |
actionGroup->add(Gtk::Action::create("Properties", |
48 |
Gtk::Stock::PROPERTIES), |
49 |
sigc::mem_fun(*this, |
50 |
&RegionChooser::show_region_properties)); |
51 |
actionGroup->add(Gtk::Action::create("Remove", Gtk::Stock::REMOVE), |
52 |
sigc::mem_fun(*this, &RegionChooser::delete_region)); |
53 |
actionGroup->add(Gtk::Action::create("Add", Gtk::Stock::ADD), |
54 |
sigc::mem_fun(*this, &RegionChooser::add_region)); |
55 |
actionGroup->add(Gtk::Action::create("Dimensions", _("Dimensions...")), |
56 |
sigc::mem_fun(*this, &RegionChooser::manage_dimensions)); |
57 |
|
58 |
uiManager = Gtk::UIManager::create(); |
59 |
uiManager->insert_action_group(actionGroup); |
60 |
Glib::ustring ui_info = |
61 |
"<ui>" |
62 |
" <popup name='PopupMenuInsideRegion'>" |
63 |
" <menuitem action='Properties'/>" |
64 |
" <menuitem action='Dimensions'/>" |
65 |
" <menuitem action='Remove'/>" |
66 |
" </popup>" |
67 |
" <popup name='PopupMenuOutsideRegion'>" |
68 |
" <menuitem action='Add'/>" |
69 |
" </popup>" |
70 |
"</ui>"; |
71 |
uiManager->add_ui_from_string(ui_info); |
72 |
|
73 |
popup_menu_inside_region = dynamic_cast<Gtk::Menu*>( |
74 |
uiManager->get_widget("/PopupMenuInsideRegion")); |
75 |
popup_menu_outside_region = dynamic_cast<Gtk::Menu*>( |
76 |
uiManager->get_widget("/PopupMenuOutsideRegion")); |
77 |
|
78 |
add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK | |
79 |
Gdk::POINTER_MOTION_MASK | Gdk::POINTER_MOTION_HINT_MASK); |
80 |
|
81 |
dimensionManager.articulation_changed_signal.connect( |
82 |
sigc::mem_fun(*this, &RegionChooser::on_dimension_manager_changed) |
83 |
); |
84 |
} |
85 |
|
86 |
RegionChooser::~RegionChooser() |
87 |
{ |
88 |
} |
89 |
|
90 |
void RegionChooser::on_realize() |
91 |
{ |
92 |
// We need to call the base on_realize() |
93 |
Gtk::DrawingArea::on_realize(); |
94 |
|
95 |
// Now we can allocate any additional resources we need |
96 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
97 |
gc = Gdk::GC::create(window); |
98 |
window->clear(); |
99 |
} |
100 |
|
101 |
bool RegionChooser::on_expose_event(GdkEventExpose* event) |
102 |
{ |
103 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
104 |
window->clear(); |
105 |
const int h = 40; |
106 |
const int w = width - 1; |
107 |
const int bh = int(h * 0.55); |
108 |
|
109 |
Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc(); |
110 |
Glib::RefPtr<const Gdk::GC> white = get_style()->get_white_gc(); |
111 |
|
112 |
Glib::RefPtr<Pango::Context> context = get_pango_context(); |
113 |
Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(context); |
114 |
|
115 |
window->draw_rectangle(black, false, 0, h1, w, h - 1); |
116 |
gc->set_foreground(grey1); |
117 |
int x1 = int(w * 20.5 / 128.0 + 0.5); |
118 |
int x2 = int(w * 109.5 / 128.0 + 0.5); |
119 |
window->draw_rectangle(gc, true, 1, h1 + 1, |
120 |
x1 - 1, h - 2); |
121 |
window->draw_rectangle(white, true, x1 + 1, h1 + 1, x2 - x1 - 1, h - 2); |
122 |
window->draw_rectangle(gc, true, x2 + 1, h1 + 1, |
123 |
w - x2 - 1, h - 2); |
124 |
int octave = -1; |
125 |
for (int i = 0 ; i < 128 ; i++) { |
126 |
int note = (i + 3) % 12; |
127 |
int x = int(w * i / 128.0 + 0.5); |
128 |
|
129 |
if (note == 1 || note == 4 || note == 6 || note == 9 || note == 11) { |
130 |
int x2 = int(w * (i + 0.5) / 128.0 + 0.5); |
131 |
window->draw_line(black, x2, h1 + bh, x2, h1 + h); |
132 |
|
133 |
int x3 = int(w * (i + 1) / 128.0 + 0.5); |
134 |
window->draw_rectangle(black, true, x, h1 + 1, x3 - x + 1, bh); |
135 |
} else if (note == 3 || note == 8) { |
136 |
window->draw_line(black, x, h1 + 1, x, h1 + h); |
137 |
} |
138 |
if (note == 3) { |
139 |
char buf[30]; |
140 |
sprintf(buf, "<span size=\"x-small\">%d</span>", octave); |
141 |
layout->set_markup(buf); |
142 |
Pango::Rectangle rectangle = layout->get_logical_extents(); |
143 |
double text_w = double(rectangle.get_width()) / Pango::SCALE; |
144 |
double text_h = double(rectangle.get_height()) / Pango::SCALE; |
145 |
double x2 = w * (i + 0.75) / 128.0; |
146 |
window->draw_layout(black, int(x2 - text_w / 2 + 1), |
147 |
int(h1 + h - text_h + 0.5), layout); |
148 |
octave++; |
149 |
} |
150 |
} |
151 |
|
152 |
if (instrument) { |
153 |
int i = 0; |
154 |
gig::Region *next_region; |
155 |
int x3 = -1; |
156 |
for (gig::Region *r = instrument->GetFirstRegion() ; |
157 |
r ; |
158 |
r = next_region) { |
159 |
|
160 |
if (x3 < 0) x3 = int(w * (r->KeyRange.low) / 128.0 + 0.5); |
161 |
next_region = instrument->GetNextRegion(); |
162 |
if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) { |
163 |
int x2 = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5); |
164 |
window->draw_line(black, x3, 0, x2, 0); |
165 |
window->draw_line(black, x3, h1 - 1, x2, h1 - 1); |
166 |
window->draw_line(black, x2, 1, x2, h1 - 2); |
167 |
window->draw_rectangle(white, true, x3 + 1, 1, x2 - x3 - 1, h1 - 2); |
168 |
x3 = -1; |
169 |
} |
170 |
i++; |
171 |
} |
172 |
|
173 |
for (gig::Region *r = instrument->GetFirstRegion() ; |
174 |
r ; |
175 |
r = instrument->GetNextRegion()) { |
176 |
int x = int(w * (r->KeyRange.low) / 128.0 + 0.5); |
177 |
window->draw_line(black, x, 1, x, h1 - 2); |
178 |
} |
179 |
|
180 |
if (region) { |
181 |
int x1 = int(w * (region->KeyRange.low) / 128.0 + 0.5); |
182 |
int x2 = int(w * (region->KeyRange.high + 1) / 128.0 + 0.5); |
183 |
gc->set_foreground(red); |
184 |
window->draw_rectangle(gc, true, x1 + 1, 1, x2 - x1 - 1, h1 - 2); |
185 |
} |
186 |
} |
187 |
return true; |
188 |
} |
189 |
|
190 |
|
191 |
void RegionChooser::on_size_request(GtkRequisition* requisition) |
192 |
{ |
193 |
*requisition = GtkRequisition(); |
194 |
requisition->height = 40 + 20; |
195 |
requisition->width = 500; |
196 |
} |
197 |
|
198 |
|
199 |
// not used |
200 |
void RegionChooser::draw_region(int from, int to, const Gdk::Color& color) |
201 |
{ |
202 |
const int h = 40; |
203 |
const int w = width; |
204 |
const int bh = int(h * 0.55); |
205 |
|
206 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
207 |
gc->set_foreground(color); |
208 |
|
209 |
for (int i = from ; i < to ; i++) { |
210 |
int note = (i + 3) % 12; |
211 |
int x = int(w * i / 128.0 + 0.5) + 1; |
212 |
int x2 = int(w * (i + 1.5) / 128.0 + 0.5); |
213 |
int x3 = int(w * (i + 1) / 128.0 + 0.5); |
214 |
int x4 = int(w * (i - 0.5) / 128 + 0.5) + 1; |
215 |
int w1 = x3 - x; |
216 |
switch (note) { |
217 |
case 0: case 5: case 10: |
218 |
window->draw_rectangle(gc, true, x, h1 + 1, w1, bh); |
219 |
window->draw_rectangle(gc, true, x4, h1 + bh + 1, x2 - x4, h - bh - 2); |
220 |
break; |
221 |
case 2: case 7: |
222 |
window->draw_rectangle(gc, true, x, h1 + 1, w1, bh); |
223 |
window->draw_rectangle(gc, true, x4, h1 + bh + 1, x3 - x4, h - bh - 2); |
224 |
break; |
225 |
case 3: case 8: |
226 |
window->draw_rectangle(gc, true, x, h1 + 1, w1, bh); |
227 |
window->draw_rectangle(gc, true, x, h1 + bh + 1, x2 - x, h - bh - 2); |
228 |
break; |
229 |
default: |
230 |
window->draw_rectangle(gc, true, x, h1 + 1, w1, bh - 1); |
231 |
break; |
232 |
} |
233 |
} |
234 |
} |
235 |
|
236 |
void RegionChooser::set_instrument(gig::Instrument* instrument) |
237 |
{ |
238 |
this->instrument = instrument; |
239 |
region = instrument ? instrument->GetFirstRegion() : 0; |
240 |
queue_draw(); |
241 |
region_selected(); |
242 |
} |
243 |
|
244 |
bool RegionChooser::on_button_release_event(GdkEventButton* event) |
245 |
{ |
246 |
if (resize.active) { |
247 |
get_window()->pointer_ungrab(event->time); |
248 |
resize.active = false; |
249 |
|
250 |
if (resize.mode == resize.moving_high_limit) { |
251 |
if (resize.region->KeyRange.high != resize.pos - 1) { |
252 |
resize.region->KeyRange.high = resize.pos - 1; |
253 |
instrument_changed(); |
254 |
} |
255 |
} else if (resize.mode == resize.moving_low_limit) { |
256 |
if (resize.region->KeyRange.low != resize.pos) { |
257 |
resize.region->KeyRange.low = resize.pos; |
258 |
instrument_changed(); |
259 |
} |
260 |
} |
261 |
|
262 |
if (!is_in_resize_zone(event->x, event->y) && cursor_is_resize) { |
263 |
get_window()->set_cursor(); |
264 |
cursor_is_resize = false; |
265 |
} |
266 |
} else if (move.active) { |
267 |
get_window()->pointer_ungrab(event->time); |
268 |
move.active = false; |
269 |
|
270 |
if (move.pos) { |
271 |
region->KeyRange.low += move.pos; |
272 |
region->KeyRange.high += move.pos; |
273 |
|
274 |
// find the r which is the first one to the right of region |
275 |
// at its new position |
276 |
gig::Region* r; |
277 |
gig::Region* prev_region = 0; |
278 |
for (r = instrument->GetFirstRegion() ; r ; r = instrument->GetNextRegion()) { |
279 |
if (r->KeyRange.low > region->KeyRange.low) break; |
280 |
prev_region = r; |
281 |
} |
282 |
|
283 |
// place region before r if it's not already there |
284 |
if (prev_region != region) { |
285 |
instrument->MoveRegion(region, r); |
286 |
} |
287 |
} |
288 |
|
289 |
if (is_in_resize_zone(event->x, event->y)) { |
290 |
get_window()->set_cursor(Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW)); |
291 |
cursor_is_resize = true; |
292 |
} |
293 |
} |
294 |
return true; |
295 |
} |
296 |
|
297 |
bool RegionChooser::on_button_press_event(GdkEventButton* event) |
298 |
{ |
299 |
if (!instrument) return true; |
300 |
|
301 |
int k = int(event->x / (width - 1) * 128.0); |
302 |
|
303 |
if (event->type == GDK_BUTTON_PRESS && event->button == 3) { |
304 |
gig::Region* r = get_region(k); |
305 |
if (r) { |
306 |
region = r; |
307 |
queue_draw(); |
308 |
region_selected(); |
309 |
popup_menu_inside_region->popup(event->button, event->time); |
310 |
} else { |
311 |
new_region_pos = k; |
312 |
popup_menu_outside_region->popup(event->button, event->time); |
313 |
} |
314 |
} else { |
315 |
if (is_in_resize_zone(event->x, event->y)) { |
316 |
get_window()->pointer_grab(false, |
317 |
Gdk::BUTTON_RELEASE_MASK | |
318 |
Gdk::POINTER_MOTION_MASK | |
319 |
Gdk::POINTER_MOTION_HINT_MASK, |
320 |
Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW), event->time); |
321 |
resize.active = true; |
322 |
} else { |
323 |
gig::Region* r = get_region(k); |
324 |
if (r) { |
325 |
region = r; |
326 |
queue_draw(); |
327 |
region_selected(); |
328 |
|
329 |
get_window()->pointer_grab(false, |
330 |
Gdk::BUTTON_RELEASE_MASK | |
331 |
Gdk::POINTER_MOTION_MASK | |
332 |
Gdk::POINTER_MOTION_HINT_MASK, |
333 |
Gdk::Cursor(Gdk::FLEUR), event->time); |
334 |
move.active = true; |
335 |
move.from_x = event->x; |
336 |
move.pos = 0; |
337 |
} |
338 |
} |
339 |
} |
340 |
return true; |
341 |
} |
342 |
|
343 |
gig::Region* RegionChooser::get_region(int key) |
344 |
{ |
345 |
gig::Region* prev_region = 0; |
346 |
gig::Region* next_region; |
347 |
for (gig::Region *r = instrument->GetFirstRegion() ; r ; |
348 |
r = next_region) { |
349 |
next_region = instrument->GetNextRegion(); |
350 |
|
351 |
if (key < r->KeyRange.low) return 0; |
352 |
if (key <= r->KeyRange.high) { |
353 |
move.touch_left = prev_region && prev_region->KeyRange.high + 1 == r->KeyRange.low; |
354 |
move.touch_right = next_region && r->KeyRange.high + 1 == next_region->KeyRange.low; |
355 |
return r; |
356 |
} |
357 |
prev_region = r; |
358 |
} |
359 |
return 0; |
360 |
} |
361 |
|
362 |
void RegionChooser::motion_resize_region(int x, int y) |
363 |
{ |
364 |
const int w = width - 1; |
365 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
366 |
|
367 |
int k = int(double(x) / w * 128.0 + 0.5); |
368 |
|
369 |
if (k < resize.min) k = resize.min; |
370 |
else if (k > resize.max) k = resize.max; |
371 |
|
372 |
if (k != resize.pos) { |
373 |
if (resize.mode == resize.undecided) { |
374 |
if (k < resize.pos) { |
375 |
// edit high limit of prev_region |
376 |
resize.max = resize.region->KeyRange.low; |
377 |
resize.region = resize.prev_region; |
378 |
resize.mode = resize.moving_high_limit; |
379 |
} else { |
380 |
// edit low limit of region |
381 |
resize.min = resize.prev_region->KeyRange.high + 1; |
382 |
resize.mode = resize.moving_low_limit; |
383 |
} |
384 |
} |
385 |
Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc(); |
386 |
Glib::RefPtr<const Gdk::GC> white = get_style()->get_white_gc(); |
387 |
if (region == resize.region) { |
388 |
gc->set_foreground(red); |
389 |
white = gc; |
390 |
} |
391 |
Glib::RefPtr<const Gdk::GC> bg = get_style()->get_bg_gc(Gtk::STATE_NORMAL); |
392 |
int prevx = int(w * resize.pos / 128.0 + 0.5); |
393 |
x = int(w * k / 128.0 + 0.5); |
394 |
|
395 |
if (resize.mode == resize.moving_high_limit) { |
396 |
if (k > resize.pos) { |
397 |
window->draw_rectangle(white, true, prevx, 1, x - prevx, h1 - 2); |
398 |
window->draw_line(black, prevx, 0, x, 0); |
399 |
window->draw_line(black, prevx, h1 - 1, x, h1 - 1); |
400 |
} else { |
401 |
int xx = ((resize.pos == resize.max && resize.max != 128) ? 1 : 0); |
402 |
window->draw_rectangle(bg, true, x + 1, 0, prevx - x - xx, h1); |
403 |
} |
404 |
} else { |
405 |
if (k < resize.pos) { |
406 |
window->draw_rectangle(white, true, x + 1, 1, prevx - x, h1 - 2); |
407 |
window->draw_line(black, x, 0, prevx, 0); |
408 |
window->draw_line(black, x, h1 - 1, prevx, h1 - 1); |
409 |
} else { |
410 |
int xx = ((resize.pos == resize.min && resize.min != 0) ? 1 : 0); |
411 |
window->draw_rectangle(bg, true, prevx + xx, 0, x - prevx - xx, h1); |
412 |
} |
413 |
} |
414 |
window->draw_line(black, x, 1, x, h1 - 2); |
415 |
resize.pos = k; |
416 |
} |
417 |
} |
418 |
|
419 |
void RegionChooser::motion_move_region(int x, int y) |
420 |
{ |
421 |
const int w = width - 1; |
422 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
423 |
|
424 |
int k = int(double(x - move.from_x) / w * 128.0 + 0.5); |
425 |
if (k == move.pos) return; |
426 |
int new_k; |
427 |
bool new_touch_left; |
428 |
bool new_touch_right; |
429 |
int a = 0; |
430 |
if (k > move.pos) { |
431 |
for (gig::Region* r = instrument->GetFirstRegion() ; ; |
432 |
r = instrument->GetNextRegion()) { |
433 |
if (r != region) { |
434 |
int b = r ? r->KeyRange.low : 128; |
435 |
|
436 |
// gap: from a to b (not inclusive b) |
437 |
|
438 |
if (region->KeyRange.high + move.pos >= b) { |
439 |
// not found the current gap yet, just continue |
440 |
} else { |
441 |
|
442 |
if (a > region->KeyRange.low + k) { |
443 |
// this gap is too far to the right, break |
444 |
break; |
445 |
} |
446 |
|
447 |
int newhigh = std::min(region->KeyRange.high + k, b - 1); |
448 |
int newlo = newhigh - (region->KeyRange.high - region->KeyRange.low); |
449 |
|
450 |
if (newlo >= a) { |
451 |
// yes it fits - it's a candidate |
452 |
new_k = newlo - region->KeyRange.low; |
453 |
new_touch_left = a > 0 && a == newlo; |
454 |
new_touch_right = b < 128 && newhigh + 1 == b; |
455 |
} |
456 |
} |
457 |
if (!r) break; |
458 |
a = r->KeyRange.high + 1; |
459 |
} |
460 |
} |
461 |
} else { |
462 |
for (gig::Region* r = instrument->GetFirstRegion() ; ; |
463 |
r = instrument->GetNextRegion()) { |
464 |
if (r != region) { |
465 |
int b = r ? r->KeyRange.low : 128; |
466 |
|
467 |
// gap from a to b (not inclusive b) |
468 |
|
469 |
if (region->KeyRange.high + k >= b) { |
470 |
// not found the current gap yet, just continue |
471 |
} else { |
472 |
|
473 |
if (a > region->KeyRange.low + move.pos) { |
474 |
// this gap is too far to the right, break |
475 |
break; |
476 |
} |
477 |
|
478 |
int newlo = std::max(region->KeyRange.low + k, a); |
479 |
int newhigh = newlo + (region->KeyRange.high - region->KeyRange.low); |
480 |
|
481 |
if (newhigh < b) { |
482 |
// yes it fits - break as the first one is the best |
483 |
new_k = newlo - region->KeyRange.low; |
484 |
new_touch_left = a > 0 && a == newlo; |
485 |
new_touch_right = b < 128 && newhigh + 1 == b; |
486 |
break; |
487 |
} |
488 |
} |
489 |
if (!r) break; |
490 |
a = r->KeyRange.high + 1; |
491 |
} |
492 |
} |
493 |
} |
494 |
k = new_k; |
495 |
if (k == move.pos) return; |
496 |
|
497 |
Glib::RefPtr<const Gdk::GC> bg = get_style()->get_bg_gc(Gtk::STATE_NORMAL); |
498 |
int prevx = int(w * (move.pos + region->KeyRange.low) / 128.0 + 0.5); |
499 |
x = int(w * (k + region->KeyRange.low) / 128.0 + 0.5); |
500 |
int prevx2 = int(w * (move.pos + region->KeyRange.high + 1) / 128.0 + 0.5); |
501 |
int x2 = int(w * (k + region->KeyRange.high + 1) / 128.0 + 0.5); |
502 |
Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc(); |
503 |
gc->set_foreground(red); |
504 |
|
505 |
if (!new_touch_left) window->draw_line(black, x, 1, x, h1 - 2); |
506 |
if (!new_touch_right) window->draw_line(black, x2, 1, x2, h1 - 2); |
507 |
|
508 |
if (k > move.pos) { |
509 |
window->draw_rectangle(bg, true, prevx + (move.touch_left ? 1 : 0), 0, |
510 |
std::min(x, prevx2 + 1 - (move.touch_right ? 1 : 0)) - |
511 |
(prevx + (move.touch_left ? 1 : 0)), h1); |
512 |
|
513 |
window->draw_line(black, std::max(x, prevx2 + 1), 0, x2, 0); |
514 |
window->draw_line(black, std::max(x, prevx2 + 1), h1 - 1, x2, h1 - 1); |
515 |
window->draw_rectangle(gc, true, std::max(x + 1, prevx2), 1, |
516 |
x2 - std::max(x + 1, prevx2), h1 - 2); |
517 |
} else { |
518 |
window->draw_rectangle(bg, true, std::max(x2 + 1, prevx + (move.touch_left ? 1 : 0)), 0, |
519 |
prevx2 + 1 - (move.touch_right ? 1 : 0) - |
520 |
std::max(x2 + 1, prevx + (move.touch_left ? 1 : 0)), h1); |
521 |
|
522 |
window->draw_line(black, x, 0, std::min(x2, prevx - 1), 0); |
523 |
window->draw_line(black, x, h1 - 1, std::min(x2, prevx - 1), h1 - 1); |
524 |
|
525 |
window->draw_rectangle(gc, true, x + 1, 1, std::min(x2 - 1, prevx) - x, h1 - 2); |
526 |
} |
527 |
|
528 |
move.pos = k; |
529 |
move.touch_left = new_touch_left; |
530 |
move.touch_right = new_touch_right; |
531 |
} |
532 |
|
533 |
|
534 |
bool RegionChooser::on_motion_notify_event(GdkEventMotion* event) |
535 |
{ |
536 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
537 |
int x, y; |
538 |
Gdk::ModifierType state = Gdk::ModifierType(0); |
539 |
window->get_pointer(x, y, state); |
540 |
|
541 |
if (resize.active) { |
542 |
motion_resize_region(x, y); |
543 |
} else if (move.active) { |
544 |
motion_move_region(x, y); |
545 |
} else { |
546 |
if (is_in_resize_zone(x, y)) { |
547 |
if (!cursor_is_resize) { |
548 |
window->set_cursor(Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW)); |
549 |
cursor_is_resize = true; |
550 |
} |
551 |
} else if (cursor_is_resize) { |
552 |
window->set_cursor(); |
553 |
cursor_is_resize = false; |
554 |
} |
555 |
} |
556 |
|
557 |
return true; |
558 |
} |
559 |
|
560 |
bool RegionChooser::is_in_resize_zone(double x, double y) { |
561 |
const int w = width - 1; |
562 |
|
563 |
if (instrument && y >= 0 && y <= h1) { |
564 |
gig::Region* prev_region = 0; |
565 |
gig::Region* next_region; |
566 |
for (gig::Region* r = instrument->GetFirstRegion() ; r ; r = next_region) { |
567 |
next_region = instrument->GetNextRegion(); |
568 |
|
569 |
int lo = int(w * (r->KeyRange.low) / 128.0 + 0.5); |
570 |
if (x <= lo - 2) break; |
571 |
if (x < lo + 2) { |
572 |
resize.region = r; |
573 |
resize.pos = r->KeyRange.low; |
574 |
resize.max = r->KeyRange.high; |
575 |
|
576 |
if (prev_region && prev_region->KeyRange.high + 1 == r->KeyRange.low) { |
577 |
// we don't know yet if it's the high limit of |
578 |
// prev_region or the low limit of r that's going |
579 |
// to be edited |
580 |
resize.mode = resize.undecided; |
581 |
resize.min = prev_region->KeyRange.low + 1; |
582 |
resize.prev_region = prev_region; |
583 |
return true; |
584 |
} |
585 |
|
586 |
// edit low limit |
587 |
resize.mode = resize.moving_low_limit; |
588 |
resize.min = prev_region ? prev_region->KeyRange.high + 1 : 0; |
589 |
return true; |
590 |
} |
591 |
if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) { |
592 |
int hi = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5); |
593 |
if (x <= hi - 2) break; |
594 |
if (x < hi + 2) { |
595 |
// edit high limit |
596 |
resize.region = r; |
597 |
resize.pos = r->KeyRange.high + 1; |
598 |
resize.mode = resize.moving_high_limit; |
599 |
resize.min = r->KeyRange.low + 1; |
600 |
resize.max = next_region ? next_region->KeyRange.low : 128; |
601 |
return true; |
602 |
} |
603 |
} |
604 |
prev_region = r; |
605 |
} |
606 |
} |
607 |
return false; |
608 |
} |
609 |
|
610 |
sigc::signal<void> RegionChooser::signal_region_selected() |
611 |
{ |
612 |
return region_selected; |
613 |
} |
614 |
|
615 |
sigc::signal<void> RegionChooser::signal_instrument_changed() |
616 |
{ |
617 |
return instrument_changed; |
618 |
} |
619 |
|
620 |
void RegionChooser::show_region_properties() |
621 |
{ |
622 |
if (!region) return; |
623 |
Gtk::Dialog dialog("Region Properties", true /*modal*/); |
624 |
// add "Keygroup" checkbox |
625 |
Gtk::CheckButton checkBoxKeygroup("Member of a Keygroup (Exclusive Group)"); |
626 |
checkBoxKeygroup.set_active(region->KeyGroup); |
627 |
dialog.get_vbox()->pack_start(checkBoxKeygroup); |
628 |
checkBoxKeygroup.show(); |
629 |
// add "Keygroup" spinbox |
630 |
Gtk::Adjustment adjustment(1, 1, pow(2,32)); |
631 |
Gtk::SpinButton spinBox(adjustment); |
632 |
if (region->KeyGroup) spinBox.set_value(region->KeyGroup); |
633 |
dialog.get_vbox()->pack_start(spinBox); |
634 |
spinBox.show(); |
635 |
// add OK and CANCEL buttons to the dialog |
636 |
dialog.add_button(Gtk::Stock::OK, 0); |
637 |
dialog.add_button(Gtk::Stock::CANCEL, 1); |
638 |
dialog.show_all_children(); |
639 |
if (!dialog.run()) { // OK selected ... |
640 |
region->KeyGroup = |
641 |
(checkBoxKeygroup.get_active()) ? spinBox.get_value_as_int() : 0; |
642 |
} |
643 |
} |
644 |
|
645 |
void RegionChooser::add_region() |
646 |
{ |
647 |
gig::Region* r; |
648 |
for (r = instrument->GetFirstRegion() ; r ; r = instrument->GetNextRegion()) { |
649 |
if (r->KeyRange.low > new_region_pos) break; |
650 |
} |
651 |
|
652 |
region = instrument->AddRegion(); |
653 |
region->KeyRange.low = region->KeyRange.high = new_region_pos; |
654 |
|
655 |
instrument->MoveRegion(region, r); |
656 |
queue_draw(); |
657 |
region_selected(); |
658 |
instrument_changed(); |
659 |
} |
660 |
|
661 |
void RegionChooser::delete_region() |
662 |
{ |
663 |
instrument->DeleteRegion(region); |
664 |
region = 0; |
665 |
queue_draw(); |
666 |
region_selected(); |
667 |
instrument_changed(); |
668 |
} |
669 |
|
670 |
void RegionChooser::manage_dimensions() |
671 |
{ |
672 |
gig::Region* region = get_region(); |
673 |
if (!region) return; |
674 |
dimensionManager.show(region); |
675 |
} |
676 |
|
677 |
void RegionChooser::on_dimension_manager_changed() { |
678 |
region_selected(); |
679 |
instrument_changed(); |
680 |
} |