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 |
move.active = false; |
43 |
cursor_is_resize = false; |
44 |
h1 = 20; |
45 |
width = 800; |
46 |
|
47 |
actionGroup = Gtk::ActionGroup::create(); |
48 |
actionGroup->add(Gtk::Action::create("Properties", |
49 |
Gtk::Stock::PROPERTIES), |
50 |
sigc::mem_fun(*this, |
51 |
&RegionChooser::show_region_properties)); |
52 |
actionGroup->add(Gtk::Action::create("Remove", Gtk::Stock::REMOVE), |
53 |
sigc::mem_fun(*this, &RegionChooser::delete_region)); |
54 |
actionGroup->add(Gtk::Action::create("Add", Gtk::Stock::ADD), |
55 |
sigc::mem_fun(*this, &RegionChooser::add_region)); |
56 |
actionGroup->add(Gtk::Action::create("Dimensions", _("Dimensions...")), |
57 |
sigc::mem_fun(*this, &RegionChooser::manage_dimensions)); |
58 |
|
59 |
uiManager = Gtk::UIManager::create(); |
60 |
uiManager->insert_action_group(actionGroup); |
61 |
Glib::ustring ui_info = |
62 |
"<ui>" |
63 |
" <popup name='PopupMenuInsideRegion'>" |
64 |
" <menuitem action='Properties'/>" |
65 |
" <menuitem action='Dimensions'/>" |
66 |
" <menuitem action='Remove'/>" |
67 |
" </popup>" |
68 |
" <popup name='PopupMenuOutsideRegion'>" |
69 |
" <menuitem action='Add'/>" |
70 |
" </popup>" |
71 |
"</ui>"; |
72 |
uiManager->add_ui_from_string(ui_info); |
73 |
|
74 |
popup_menu_inside_region = dynamic_cast<Gtk::Menu*>( |
75 |
uiManager->get_widget("/PopupMenuInsideRegion")); |
76 |
popup_menu_outside_region = dynamic_cast<Gtk::Menu*>( |
77 |
uiManager->get_widget("/PopupMenuOutsideRegion")); |
78 |
|
79 |
add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK | |
80 |
Gdk::POINTER_MOTION_MASK | Gdk::POINTER_MOTION_HINT_MASK); |
81 |
|
82 |
dimensionManager.region_to_be_changed_signal.connect( |
83 |
region_to_be_changed_signal.make_slot() |
84 |
); |
85 |
dimensionManager.region_changed_signal.connect( |
86 |
region_changed_signal.make_slot() |
87 |
); |
88 |
dimensionManager.region_changed_signal.connect( |
89 |
sigc::hide( |
90 |
sigc::mem_fun(*this, &RegionChooser::on_dimension_manager_changed) |
91 |
) |
92 |
); |
93 |
} |
94 |
|
95 |
RegionChooser::~RegionChooser() |
96 |
{ |
97 |
} |
98 |
|
99 |
void RegionChooser::on_realize() |
100 |
{ |
101 |
// We need to call the base on_realize() |
102 |
Gtk::DrawingArea::on_realize(); |
103 |
|
104 |
// Now we can allocate any additional resources we need |
105 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
106 |
gc = Gdk::GC::create(window); |
107 |
window->clear(); |
108 |
} |
109 |
|
110 |
bool RegionChooser::on_expose_event(GdkEventExpose* event) |
111 |
{ |
112 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
113 |
window->clear(); |
114 |
const int h = 40; |
115 |
const int w = width - 1; |
116 |
const int bh = int(h * 0.55); |
117 |
|
118 |
Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc(); |
119 |
Glib::RefPtr<const Gdk::GC> white = get_style()->get_white_gc(); |
120 |
|
121 |
Glib::RefPtr<Pango::Context> context = get_pango_context(); |
122 |
Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(context); |
123 |
|
124 |
window->draw_rectangle(black, false, 0, h1, w, h - 1); |
125 |
gc->set_foreground(grey1); |
126 |
int x1 = int(w * 20.5 / 128.0 + 0.5); |
127 |
int x2 = int(w * 109.5 / 128.0 + 0.5); |
128 |
window->draw_rectangle(gc, true, 1, h1 + 1, |
129 |
x1 - 1, h - 2); |
130 |
window->draw_rectangle(white, true, x1 + 1, h1 + 1, x2 - x1 - 1, h - 2); |
131 |
window->draw_rectangle(gc, true, x2 + 1, h1 + 1, |
132 |
w - x2 - 1, h - 2); |
133 |
int octave = -1; |
134 |
for (int i = 0 ; i < 128 ; i++) { |
135 |
int note = (i + 3) % 12; |
136 |
int x = int(w * i / 128.0 + 0.5); |
137 |
|
138 |
if (note == 1 || note == 4 || note == 6 || note == 9 || note == 11) { |
139 |
int x2 = int(w * (i + 0.5) / 128.0 + 0.5); |
140 |
window->draw_line(black, x2, h1 + bh, x2, h1 + h); |
141 |
|
142 |
int x3 = int(w * (i + 1) / 128.0 + 0.5); |
143 |
window->draw_rectangle(black, true, x, h1 + 1, x3 - x + 1, bh); |
144 |
} else if (note == 3 || note == 8) { |
145 |
window->draw_line(black, x, h1 + 1, x, h1 + h); |
146 |
} |
147 |
if (note == 3) { |
148 |
char buf[30]; |
149 |
sprintf(buf, "<span size=\"x-small\">%d</span>", octave); |
150 |
layout->set_markup(buf); |
151 |
Pango::Rectangle rectangle = layout->get_logical_extents(); |
152 |
double text_w = double(rectangle.get_width()) / Pango::SCALE; |
153 |
double text_h = double(rectangle.get_height()) / Pango::SCALE; |
154 |
double x2 = w * (i + 0.75) / 128.0; |
155 |
window->draw_layout(black, int(x2 - text_w / 2 + 1), |
156 |
int(h1 + h - text_h + 0.5), layout); |
157 |
octave++; |
158 |
} |
159 |
} |
160 |
|
161 |
if (instrument) { |
162 |
int i = 0; |
163 |
gig::Region *next_region; |
164 |
int x3 = -1; |
165 |
for (gig::Region *r = instrument->GetFirstRegion() ; |
166 |
r ; |
167 |
r = next_region) { |
168 |
|
169 |
if (x3 < 0) x3 = int(w * (r->KeyRange.low) / 128.0 + 0.5); |
170 |
next_region = instrument->GetNextRegion(); |
171 |
if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) { |
172 |
int x2 = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5); |
173 |
window->draw_line(black, x3, 0, x2, 0); |
174 |
window->draw_line(black, x3, h1 - 1, x2, h1 - 1); |
175 |
window->draw_line(black, x2, 1, x2, h1 - 2); |
176 |
window->draw_rectangle(white, true, x3 + 1, 1, x2 - x3 - 1, h1 - 2); |
177 |
x3 = -1; |
178 |
} |
179 |
i++; |
180 |
} |
181 |
|
182 |
for (gig::Region *r = instrument->GetFirstRegion() ; |
183 |
r ; |
184 |
r = instrument->GetNextRegion()) { |
185 |
int x = int(w * (r->KeyRange.low) / 128.0 + 0.5); |
186 |
window->draw_line(black, x, 1, x, h1 - 2); |
187 |
} |
188 |
|
189 |
if (region) { |
190 |
int x1 = int(w * (region->KeyRange.low) / 128.0 + 0.5); |
191 |
int x2 = int(w * (region->KeyRange.high + 1) / 128.0 + 0.5); |
192 |
gc->set_foreground(red); |
193 |
window->draw_rectangle(gc, true, x1 + 1, 1, x2 - x1 - 1, h1 - 2); |
194 |
} |
195 |
} |
196 |
return true; |
197 |
} |
198 |
|
199 |
|
200 |
void RegionChooser::on_size_request(GtkRequisition* requisition) |
201 |
{ |
202 |
*requisition = GtkRequisition(); |
203 |
requisition->height = 40 + 20; |
204 |
requisition->width = 500; |
205 |
} |
206 |
|
207 |
|
208 |
// not used |
209 |
void RegionChooser::draw_region(int from, int to, const Gdk::Color& color) |
210 |
{ |
211 |
const int h = 40; |
212 |
const int w = width; |
213 |
const int bh = int(h * 0.55); |
214 |
|
215 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
216 |
gc->set_foreground(color); |
217 |
|
218 |
for (int i = from ; i < to ; i++) { |
219 |
int note = (i + 3) % 12; |
220 |
int x = int(w * i / 128.0 + 0.5) + 1; |
221 |
int x2 = int(w * (i + 1.5) / 128.0 + 0.5); |
222 |
int x3 = int(w * (i + 1) / 128.0 + 0.5); |
223 |
int x4 = int(w * (i - 0.5) / 128 + 0.5) + 1; |
224 |
int w1 = x3 - x; |
225 |
switch (note) { |
226 |
case 0: case 5: case 10: |
227 |
window->draw_rectangle(gc, true, x, h1 + 1, w1, bh); |
228 |
window->draw_rectangle(gc, true, x4, h1 + bh + 1, x2 - x4, h - bh - 2); |
229 |
break; |
230 |
case 2: case 7: |
231 |
window->draw_rectangle(gc, true, x, h1 + 1, w1, bh); |
232 |
window->draw_rectangle(gc, true, x4, h1 + bh + 1, x3 - x4, h - bh - 2); |
233 |
break; |
234 |
case 3: case 8: |
235 |
window->draw_rectangle(gc, true, x, h1 + 1, w1, bh); |
236 |
window->draw_rectangle(gc, true, x, h1 + bh + 1, x2 - x, h - bh - 2); |
237 |
break; |
238 |
default: |
239 |
window->draw_rectangle(gc, true, x, h1 + 1, w1, bh - 1); |
240 |
break; |
241 |
} |
242 |
} |
243 |
} |
244 |
|
245 |
void RegionChooser::set_instrument(gig::Instrument* instrument) |
246 |
{ |
247 |
this->instrument = instrument; |
248 |
region = instrument ? instrument->GetFirstRegion() : 0; |
249 |
queue_draw(); |
250 |
region_selected(); |
251 |
} |
252 |
|
253 |
bool RegionChooser::on_button_release_event(GdkEventButton* event) |
254 |
{ |
255 |
if (resize.active) { |
256 |
get_window()->pointer_ungrab(event->time); |
257 |
resize.active = false; |
258 |
|
259 |
if (resize.mode == resize.moving_high_limit) { |
260 |
if (resize.region->KeyRange.high != resize.pos - 1) { |
261 |
instrument_struct_to_be_changed_signal.emit(instrument); |
262 |
resize.region->SetKeyRange( |
263 |
resize.region->KeyRange.low, // low |
264 |
resize.pos - 1 // high |
265 |
); |
266 |
instrument_changed.emit(); |
267 |
instrument_struct_changed_signal.emit(instrument); |
268 |
} |
269 |
} else if (resize.mode == resize.moving_low_limit) { |
270 |
if (resize.region->KeyRange.low != resize.pos) { |
271 |
instrument_struct_to_be_changed_signal.emit(instrument); |
272 |
resize.region->SetKeyRange( |
273 |
resize.pos, // low |
274 |
resize.region->KeyRange.high // high |
275 |
); |
276 |
instrument_changed.emit(); |
277 |
instrument_struct_changed_signal.emit(instrument); |
278 |
} |
279 |
} |
280 |
|
281 |
if (!is_in_resize_zone(event->x, event->y) && cursor_is_resize) { |
282 |
get_window()->set_cursor(); |
283 |
cursor_is_resize = false; |
284 |
} |
285 |
} else if (move.active) { |
286 |
get_window()->pointer_ungrab(event->time); |
287 |
move.active = false; |
288 |
|
289 |
if (move.pos) { |
290 |
instrument_struct_to_be_changed_signal.emit(instrument); |
291 |
region->SetKeyRange( |
292 |
region->KeyRange.low + move.pos, |
293 |
region->KeyRange.high + move.pos |
294 |
); |
295 |
instrument_struct_changed_signal.emit(instrument); |
296 |
} |
297 |
|
298 |
if (is_in_resize_zone(event->x, event->y)) { |
299 |
get_window()->set_cursor(Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW)); |
300 |
cursor_is_resize = true; |
301 |
} |
302 |
} |
303 |
return true; |
304 |
} |
305 |
|
306 |
bool RegionChooser::on_button_press_event(GdkEventButton* event) |
307 |
{ |
308 |
if (!instrument) return true; |
309 |
|
310 |
int k = int(event->x / (width - 1) * 128.0); |
311 |
|
312 |
if (event->type == GDK_BUTTON_PRESS && event->button == 3) { |
313 |
gig::Region* r = get_region(k); |
314 |
if (r) { |
315 |
region = r; |
316 |
queue_draw(); |
317 |
region_selected(); |
318 |
popup_menu_inside_region->popup(event->button, event->time); |
319 |
} else { |
320 |
new_region_pos = k; |
321 |
popup_menu_outside_region->popup(event->button, event->time); |
322 |
} |
323 |
} else { |
324 |
if (is_in_resize_zone(event->x, event->y)) { |
325 |
get_window()->pointer_grab(false, |
326 |
Gdk::BUTTON_RELEASE_MASK | |
327 |
Gdk::POINTER_MOTION_MASK | |
328 |
Gdk::POINTER_MOTION_HINT_MASK, |
329 |
Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW), event->time); |
330 |
resize.active = true; |
331 |
} else { |
332 |
gig::Region* r = get_region(k); |
333 |
if (r) { |
334 |
region = r; |
335 |
queue_draw(); |
336 |
region_selected(); |
337 |
|
338 |
get_window()->pointer_grab(false, |
339 |
Gdk::BUTTON_RELEASE_MASK | |
340 |
Gdk::POINTER_MOTION_MASK | |
341 |
Gdk::POINTER_MOTION_HINT_MASK, |
342 |
Gdk::Cursor(Gdk::FLEUR), event->time); |
343 |
move.active = true; |
344 |
move.from_x = event->x; |
345 |
move.pos = 0; |
346 |
} |
347 |
} |
348 |
} |
349 |
return true; |
350 |
} |
351 |
|
352 |
gig::Region* RegionChooser::get_region(int key) |
353 |
{ |
354 |
gig::Region* prev_region = 0; |
355 |
gig::Region* next_region; |
356 |
for (gig::Region *r = instrument->GetFirstRegion() ; r ; |
357 |
r = next_region) { |
358 |
next_region = instrument->GetNextRegion(); |
359 |
|
360 |
if (key < r->KeyRange.low) return 0; |
361 |
if (key <= r->KeyRange.high) { |
362 |
move.touch_left = prev_region && prev_region->KeyRange.high + 1 == r->KeyRange.low; |
363 |
move.touch_right = next_region && r->KeyRange.high + 1 == next_region->KeyRange.low; |
364 |
return r; |
365 |
} |
366 |
prev_region = r; |
367 |
} |
368 |
return 0; |
369 |
} |
370 |
|
371 |
void RegionChooser::motion_resize_region(int x, int y) |
372 |
{ |
373 |
const int w = width - 1; |
374 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
375 |
|
376 |
int k = int(double(x) / w * 128.0 + 0.5); |
377 |
|
378 |
if (k < resize.min) k = resize.min; |
379 |
else if (k > resize.max) k = resize.max; |
380 |
|
381 |
if (k != resize.pos) { |
382 |
if (resize.mode == resize.undecided) { |
383 |
if (k < resize.pos) { |
384 |
// edit high limit of prev_region |
385 |
resize.max = resize.region->KeyRange.low; |
386 |
resize.region = resize.prev_region; |
387 |
resize.mode = resize.moving_high_limit; |
388 |
} else { |
389 |
// edit low limit of region |
390 |
resize.min = resize.prev_region->KeyRange.high + 1; |
391 |
resize.mode = resize.moving_low_limit; |
392 |
} |
393 |
} |
394 |
Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc(); |
395 |
Glib::RefPtr<const Gdk::GC> white = get_style()->get_white_gc(); |
396 |
if (region == resize.region) { |
397 |
gc->set_foreground(red); |
398 |
white = gc; |
399 |
} |
400 |
Glib::RefPtr<const Gdk::GC> bg = get_style()->get_bg_gc(Gtk::STATE_NORMAL); |
401 |
int prevx = int(w * resize.pos / 128.0 + 0.5); |
402 |
x = int(w * k / 128.0 + 0.5); |
403 |
|
404 |
if (resize.mode == resize.moving_high_limit) { |
405 |
if (k > resize.pos) { |
406 |
window->draw_rectangle(white, true, prevx, 1, x - prevx, h1 - 2); |
407 |
window->draw_line(black, prevx, 0, x, 0); |
408 |
window->draw_line(black, prevx, h1 - 1, x, h1 - 1); |
409 |
} else { |
410 |
int xx = ((resize.pos == resize.max && resize.max != 128) ? 1 : 0); |
411 |
window->draw_rectangle(bg, true, x + 1, 0, prevx - x - xx, h1); |
412 |
} |
413 |
} else { |
414 |
if (k < resize.pos) { |
415 |
window->draw_rectangle(white, true, x + 1, 1, prevx - x, h1 - 2); |
416 |
window->draw_line(black, x, 0, prevx, 0); |
417 |
window->draw_line(black, x, h1 - 1, prevx, h1 - 1); |
418 |
} else { |
419 |
int xx = ((resize.pos == resize.min && resize.min != 0) ? 1 : 0); |
420 |
window->draw_rectangle(bg, true, prevx + xx, 0, x - prevx - xx, h1); |
421 |
} |
422 |
} |
423 |
window->draw_line(black, x, 1, x, h1 - 2); |
424 |
resize.pos = k; |
425 |
} |
426 |
} |
427 |
|
428 |
void RegionChooser::motion_move_region(int x, int y) |
429 |
{ |
430 |
const int w = width - 1; |
431 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
432 |
|
433 |
int k = int(double(x - move.from_x) / w * 128.0 + 0.5); |
434 |
if (k == move.pos) return; |
435 |
int new_k; |
436 |
bool new_touch_left; |
437 |
bool new_touch_right; |
438 |
int a = 0; |
439 |
if (k > move.pos) { |
440 |
for (gig::Region* r = instrument->GetFirstRegion() ; ; |
441 |
r = instrument->GetNextRegion()) { |
442 |
if (r != region) { |
443 |
int b = r ? r->KeyRange.low : 128; |
444 |
|
445 |
// gap: from a to b (not inclusive b) |
446 |
|
447 |
if (region->KeyRange.high + move.pos >= b) { |
448 |
// not found the current gap yet, just continue |
449 |
} else { |
450 |
|
451 |
if (a > region->KeyRange.low + k) { |
452 |
// this gap is too far to the right, break |
453 |
break; |
454 |
} |
455 |
|
456 |
int newhigh = std::min(region->KeyRange.high + k, b - 1); |
457 |
int newlo = newhigh - (region->KeyRange.high - region->KeyRange.low); |
458 |
|
459 |
if (newlo >= a) { |
460 |
// yes it fits - it's a candidate |
461 |
new_k = newlo - region->KeyRange.low; |
462 |
new_touch_left = a > 0 && a == newlo; |
463 |
new_touch_right = b < 128 && newhigh + 1 == b; |
464 |
} |
465 |
} |
466 |
if (!r) break; |
467 |
a = r->KeyRange.high + 1; |
468 |
} |
469 |
} |
470 |
} else { |
471 |
for (gig::Region* r = instrument->GetFirstRegion() ; ; |
472 |
r = instrument->GetNextRegion()) { |
473 |
if (r != region) { |
474 |
int b = r ? r->KeyRange.low : 128; |
475 |
|
476 |
// gap from a to b (not inclusive b) |
477 |
|
478 |
if (region->KeyRange.high + k >= b) { |
479 |
// not found the current gap yet, just continue |
480 |
} else { |
481 |
|
482 |
if (a > region->KeyRange.low + move.pos) { |
483 |
// this gap is too far to the right, break |
484 |
break; |
485 |
} |
486 |
|
487 |
int newlo = std::max(region->KeyRange.low + k, a); |
488 |
int newhigh = newlo + (region->KeyRange.high - region->KeyRange.low); |
489 |
|
490 |
if (newhigh < b) { |
491 |
// yes it fits - break as the first one is the best |
492 |
new_k = newlo - region->KeyRange.low; |
493 |
new_touch_left = a > 0 && a == newlo; |
494 |
new_touch_right = b < 128 && newhigh + 1 == b; |
495 |
break; |
496 |
} |
497 |
} |
498 |
if (!r) break; |
499 |
a = r->KeyRange.high + 1; |
500 |
} |
501 |
} |
502 |
} |
503 |
k = new_k; |
504 |
if (k == move.pos) return; |
505 |
|
506 |
Glib::RefPtr<const Gdk::GC> bg = get_style()->get_bg_gc(Gtk::STATE_NORMAL); |
507 |
int prevx = int(w * (move.pos + region->KeyRange.low) / 128.0 + 0.5); |
508 |
x = int(w * (k + region->KeyRange.low) / 128.0 + 0.5); |
509 |
int prevx2 = int(w * (move.pos + region->KeyRange.high + 1) / 128.0 + 0.5); |
510 |
int x2 = int(w * (k + region->KeyRange.high + 1) / 128.0 + 0.5); |
511 |
Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc(); |
512 |
gc->set_foreground(red); |
513 |
|
514 |
if (!new_touch_left) window->draw_line(black, x, 1, x, h1 - 2); |
515 |
if (!new_touch_right) window->draw_line(black, x2, 1, x2, h1 - 2); |
516 |
|
517 |
if (k > move.pos) { |
518 |
window->draw_rectangle(bg, true, prevx + (move.touch_left ? 1 : 0), 0, |
519 |
std::min(x, prevx2 + 1 - (move.touch_right ? 1 : 0)) - |
520 |
(prevx + (move.touch_left ? 1 : 0)), h1); |
521 |
|
522 |
window->draw_line(black, std::max(x, prevx2 + 1), 0, x2, 0); |
523 |
window->draw_line(black, std::max(x, prevx2 + 1), h1 - 1, x2, h1 - 1); |
524 |
window->draw_rectangle(gc, true, std::max(x + 1, prevx2), 1, |
525 |
x2 - std::max(x + 1, prevx2), h1 - 2); |
526 |
} else { |
527 |
window->draw_rectangle(bg, true, std::max(x2 + 1, prevx + (move.touch_left ? 1 : 0)), 0, |
528 |
prevx2 + 1 - (move.touch_right ? 1 : 0) - |
529 |
std::max(x2 + 1, prevx + (move.touch_left ? 1 : 0)), h1); |
530 |
|
531 |
window->draw_line(black, x, 0, std::min(x2, prevx - 1), 0); |
532 |
window->draw_line(black, x, h1 - 1, std::min(x2, prevx - 1), h1 - 1); |
533 |
|
534 |
window->draw_rectangle(gc, true, x + 1, 1, std::min(x2 - 1, prevx) - x, h1 - 2); |
535 |
} |
536 |
|
537 |
move.pos = k; |
538 |
move.touch_left = new_touch_left; |
539 |
move.touch_right = new_touch_right; |
540 |
} |
541 |
|
542 |
|
543 |
bool RegionChooser::on_motion_notify_event(GdkEventMotion* event) |
544 |
{ |
545 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
546 |
int x, y; |
547 |
Gdk::ModifierType state = Gdk::ModifierType(0); |
548 |
window->get_pointer(x, y, state); |
549 |
|
550 |
if (resize.active) { |
551 |
motion_resize_region(x, y); |
552 |
} else if (move.active) { |
553 |
motion_move_region(x, y); |
554 |
} else { |
555 |
if (is_in_resize_zone(x, y)) { |
556 |
if (!cursor_is_resize) { |
557 |
window->set_cursor(Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW)); |
558 |
cursor_is_resize = true; |
559 |
} |
560 |
} else if (cursor_is_resize) { |
561 |
window->set_cursor(); |
562 |
cursor_is_resize = false; |
563 |
} |
564 |
} |
565 |
|
566 |
return true; |
567 |
} |
568 |
|
569 |
bool RegionChooser::is_in_resize_zone(double x, double y) { |
570 |
const int w = width - 1; |
571 |
|
572 |
if (instrument && y >= 0 && y <= h1) { |
573 |
gig::Region* prev_region = 0; |
574 |
gig::Region* next_region; |
575 |
for (gig::Region* r = instrument->GetFirstRegion() ; r ; r = next_region) { |
576 |
next_region = instrument->GetNextRegion(); |
577 |
|
578 |
int lo = int(w * (r->KeyRange.low) / 128.0 + 0.5); |
579 |
if (x <= lo - 2) break; |
580 |
if (x < lo + 2) { |
581 |
resize.region = r; |
582 |
resize.pos = r->KeyRange.low; |
583 |
resize.max = r->KeyRange.high; |
584 |
|
585 |
if (prev_region && prev_region->KeyRange.high + 1 == r->KeyRange.low) { |
586 |
// we don't know yet if it's the high limit of |
587 |
// prev_region or the low limit of r that's going |
588 |
// to be edited |
589 |
resize.mode = resize.undecided; |
590 |
resize.min = prev_region->KeyRange.low + 1; |
591 |
resize.prev_region = prev_region; |
592 |
return true; |
593 |
} |
594 |
|
595 |
// edit low limit |
596 |
resize.mode = resize.moving_low_limit; |
597 |
resize.min = prev_region ? prev_region->KeyRange.high + 1 : 0; |
598 |
return true; |
599 |
} |
600 |
if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) { |
601 |
int hi = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5); |
602 |
if (x <= hi - 2) break; |
603 |
if (x < hi + 2) { |
604 |
// edit high limit |
605 |
resize.region = r; |
606 |
resize.pos = r->KeyRange.high + 1; |
607 |
resize.mode = resize.moving_high_limit; |
608 |
resize.min = r->KeyRange.low + 1; |
609 |
resize.max = next_region ? next_region->KeyRange.low : 128; |
610 |
return true; |
611 |
} |
612 |
} |
613 |
prev_region = r; |
614 |
} |
615 |
} |
616 |
return false; |
617 |
} |
618 |
|
619 |
sigc::signal<void> RegionChooser::signal_region_selected() |
620 |
{ |
621 |
return region_selected; |
622 |
} |
623 |
|
624 |
sigc::signal<void> RegionChooser::signal_instrument_changed() |
625 |
{ |
626 |
return instrument_changed; |
627 |
} |
628 |
|
629 |
void RegionChooser::show_region_properties() |
630 |
{ |
631 |
if (!region) return; |
632 |
Gtk::Dialog dialog("Region Properties", true /*modal*/); |
633 |
// add "Keygroup" checkbox |
634 |
Gtk::CheckButton checkBoxKeygroup("Member of a Keygroup (Exclusive Group)"); |
635 |
checkBoxKeygroup.set_active(region->KeyGroup); |
636 |
dialog.get_vbox()->pack_start(checkBoxKeygroup); |
637 |
checkBoxKeygroup.show(); |
638 |
// add "Keygroup" spinbox |
639 |
Gtk::Adjustment adjustment(1, 1, pow(2,32)); |
640 |
Gtk::SpinButton spinBox(adjustment); |
641 |
if (region->KeyGroup) spinBox.set_value(region->KeyGroup); |
642 |
dialog.get_vbox()->pack_start(spinBox); |
643 |
spinBox.show(); |
644 |
// add OK and CANCEL buttons to the dialog |
645 |
dialog.add_button(Gtk::Stock::OK, 0); |
646 |
dialog.add_button(Gtk::Stock::CANCEL, 1); |
647 |
dialog.show_all_children(); |
648 |
if (!dialog.run()) { // OK selected ... |
649 |
region->KeyGroup = |
650 |
(checkBoxKeygroup.get_active()) ? spinBox.get_value_as_int() : 0; |
651 |
} |
652 |
} |
653 |
|
654 |
void RegionChooser::add_region() |
655 |
{ |
656 |
instrument_struct_to_be_changed_signal.emit(instrument); |
657 |
|
658 |
region = instrument->AddRegion(); |
659 |
region->SetKeyRange(new_region_pos, new_region_pos); |
660 |
|
661 |
instrument_struct_changed_signal.emit(instrument); |
662 |
|
663 |
queue_draw(); |
664 |
region_selected(); |
665 |
instrument_changed(); |
666 |
} |
667 |
|
668 |
void RegionChooser::delete_region() |
669 |
{ |
670 |
instrument_struct_to_be_changed_signal.emit(instrument); |
671 |
instrument->DeleteRegion(region); |
672 |
instrument_struct_changed_signal.emit(instrument); |
673 |
|
674 |
region = 0; |
675 |
queue_draw(); |
676 |
region_selected(); |
677 |
instrument_changed(); |
678 |
} |
679 |
|
680 |
void RegionChooser::manage_dimensions() |
681 |
{ |
682 |
gig::Region* region = get_region(); |
683 |
if (!region) return; |
684 |
dimensionManager.show(region); |
685 |
} |
686 |
|
687 |
void RegionChooser::on_dimension_manager_changed() { |
688 |
region_selected(); |
689 |
instrument_changed(); |
690 |
} |
691 |
|
692 |
sigc::signal<void, gig::Instrument*> RegionChooser::signal_instrument_struct_to_be_changed() { |
693 |
return instrument_struct_to_be_changed_signal; |
694 |
} |
695 |
|
696 |
sigc::signal<void, gig::Instrument*> RegionChooser::signal_instrument_struct_changed() { |
697 |
return instrument_struct_changed_signal; |
698 |
} |
699 |
|
700 |
sigc::signal<void, gig::Region*> RegionChooser::signal_region_to_be_changed() { |
701 |
return region_to_be_changed_signal; |
702 |
} |
703 |
|
704 |
sigc::signal<void, gig::Region*> RegionChooser::signal_region_changed_signal() { |
705 |
return region_changed_signal; |
706 |
} |