4 * Copyright (C) 2008-2017 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "bcsignals.h"
26 #include "edlsession.h"
29 #include "mainsession.h"
30 #include "mwindowgui.h"
33 #include "playback3d.h"
34 #include "videodevice.h"
39 Canvas::Canvas(MWindow *mwindow, BC_WindowBase *subwindow,
40 int x, int y, int w, int h, int output_w, int output_h,
45 int xs10 = xS(10), ys10 = yS(10);
46 if(w < xs10) w = xs10;
47 if(h < ys10) h = ys10;
48 this->mwindow = mwindow;
49 this->subwindow = subwindow;
54 this->output_w = output_w;
55 this->output_h = output_h;
56 this->use_scrollbars = use_scrollbars;
57 this->canvas_auxwindow = 0;
58 this->scr_w0 = subwindow->get_screen_w(0, 0);
59 this->root_w = subwindow->get_root_w(0);
60 this->root_h = subwindow->get_root_h(0);
61 canvas_lock = new Condition(1, "Canvas::canvas_lock", 1);
66 if(refresh_frame) delete refresh_frame;
68 if(yscroll) delete yscroll;
69 if(xscroll) delete xscroll;
70 delete canvas_subwindow;
71 delete canvas_fullscreen;
84 canvas_fullscreen = 0;
90 BC_WindowBase *Canvas::lock_canvas(const char *loc)
92 canvas_lock->lock(loc);
93 BC_WindowBase *wdw = get_canvas();
94 if( wdw ) wdw->lock_window(loc);
98 void Canvas::unlock_canvas()
100 BC_WindowBase *wdw = get_canvas();
101 if( wdw ) wdw->unlock_window();
102 canvas_lock->unlock();
105 BC_WindowBase* Canvas::get_canvas()
107 if(get_fullscreen() && canvas_fullscreen)
108 return canvas_fullscreen;
109 return canvas_auxwindow ? canvas_auxwindow : canvas_subwindow;
112 void Canvas::use_auxwindow(BC_WindowBase *aux)
114 canvas_auxwindow = aux;
117 int Canvas::get_fullscreen()
119 return is_fullscreen;
122 // Get dimensions given a zoom
123 void Canvas::calculate_sizes(float aspect_ratio,
124 int output_w, int output_h, float zoom,
127 // Horizontal stretch
128 if( (float)output_w/output_h <= aspect_ratio ) {
129 w = (float)output_h * aspect_ratio * zoom;
130 h = (float)output_h * zoom;
134 h = (float)output_w / aspect_ratio * zoom;
135 w = (float)output_w * zoom;
139 float Canvas::get_x_offset(EDL *edl, int single_channel,
140 float zoom_x, float conformed_w, float conformed_h)
142 if( use_scrollbars ) return get_xscroll();
143 int canvas_w = get_canvas()->get_w(), out_w = canvas_w;
144 int canvas_h = get_canvas()->get_h(), out_h = canvas_h;
145 float conformed_ratio = conformed_w/conformed_h;
146 if( (float)out_w/out_h > conformed_ratio )
147 out_w = out_h * conformed_ratio + 0.5f;
148 float ret = out_w >= canvas_w ? 0 : -0.5f*(canvas_w - out_w) / zoom_x;
152 float Canvas::get_y_offset(EDL *edl, int single_channel,
153 float zoom_y, float conformed_w, float conformed_h)
155 if( use_scrollbars ) return get_yscroll();
156 int canvas_w = get_canvas()->get_w(), out_w = canvas_w;
157 int canvas_h = get_canvas()->get_h(), out_h = canvas_h;
158 float conformed_ratio = conformed_w/conformed_h;
159 if( (float)out_w/out_h <= conformed_ratio )
160 out_h = out_w / conformed_ratio + 0.5f;
161 float ret = out_h >= canvas_h ? 0 : -0.5f*(canvas_h - out_h) / zoom_y;
165 // This may not be used anymore
166 void Canvas::check_boundaries(EDL *edl, int &x, int &y, float &zoom)
168 if(x + w_visible > w_needed) x = w_needed - w_visible;
169 if(y + h_visible > h_needed) y = h_needed - h_visible;
175 void Canvas::update_scrollbars(EDL *edl, int flush)
179 if( use_scrollbars ) {
180 if( xscroll ) xscroll->update_length(w_needed, get_xscroll(), w_visible, flush);
181 if( yscroll ) yscroll->update_length(h_needed, get_yscroll(), h_visible, flush);
185 float Canvas::get_auto_zoom(EDL *edl)
187 float conformed_w, conformed_h;
188 edl->calculate_conformed_dimensions(0, conformed_w, conformed_h);
189 BC_WindowBase *window = get_canvas();
190 int window_w = window ? window->get_w() : w;
191 int window_h = window ? window->get_h() : h;
192 float zoom_x = window_w / conformed_w;
193 float zoom_y = window_h / conformed_h;
194 return zoom_x < zoom_y ? zoom_x : zoom_y;
196 void Canvas::zoom_auto()
201 void Canvas::get_zooms(EDL *edl, int single_channel,
202 float &zoom_x, float &zoom_y,
203 float &conformed_w, float &conformed_h)
205 edl->calculate_conformed_dimensions(single_channel,
206 conformed_w, conformed_h);
208 float zoom = get_zoom();
209 if( !use_scrollbars || !zoom ) zoom = get_auto_zoom(edl);
210 zoom_x = zoom * conformed_w / get_output_w(edl);
211 zoom_y = zoom * conformed_h / get_output_h(edl);
214 void Canvas::set_zoom(EDL *edl, float zoom)
216 BC_WindowBase *window = get_canvas();
217 int cw = window ? window->get_w() : w;
218 int ch = window ? window->get_h() : h;
219 float cx = 0.5f * cw, cy = 0.5f * ch;
220 set_zoom(edl, zoom, cx, cy);
223 void Canvas::set_zoom(EDL *edl, float zoom, float cx, float cy)
225 float output_x = cx, output_y = cy;
226 canvas_to_output(edl, 0, output_x, output_y);
227 update_zoom(0, 0, zoom);
228 float zoom_x, zoom_y, conformed_w, conformed_h;
229 get_zooms(edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
231 output_x -= cx / zoom_x;
232 output_y -= cy / zoom_y;
235 output_x = get_x_offset(edl, 0, zoom_x, conformed_w, conformed_h);
236 output_y = get_y_offset(edl, 0, zoom_y, conformed_w, conformed_h);
238 update_zoom(output_x, output_y, zoom);
242 // Convert a coordinate on the canvas to a coordinate on the output
243 void Canvas::canvas_to_output(EDL *edl, int single_channel, float &x, float &y)
245 float zoom_x, zoom_y, conformed_w, conformed_h;
246 get_zooms(edl, single_channel, zoom_x, zoom_y, conformed_w, conformed_h);
248 //printf("Canvas::canvas_to_output y=%f zoom_y=%f y_offset=%f\n",
249 // y, zoom_y, get_y_offset(edl, single_channel, zoom_y, conformed_w, conformed_h));
251 x = (float)x / zoom_x + get_x_offset(edl, single_channel, zoom_x, conformed_w, conformed_h);
252 y = (float)y / zoom_y + get_y_offset(edl, single_channel, zoom_y, conformed_w, conformed_h);
255 void Canvas::output_to_canvas(EDL *edl, int single_channel, float &x, float &y)
257 float zoom_x, zoom_y, conformed_w, conformed_h;
258 get_zooms(edl, single_channel, zoom_x, zoom_y, conformed_w, conformed_h);
260 //printf("Canvas::output_to_canvas x=%f zoom_x=%f x_offset=%f\n", x, zoom_x, get_x_offset(edl, single_channel, zoom_x, conformed_w));
262 x = (float)zoom_x * (x - get_x_offset(edl, single_channel, zoom_x, conformed_w, conformed_h));
263 y = (float)zoom_y * (y - get_y_offset(edl, single_channel, zoom_y, conformed_w, conformed_h));
268 void Canvas::get_transfers(EDL *edl,
269 float &output_x1, float &output_y1, float &output_x2, float &output_y2,
270 float &canvas_x1, float &canvas_y1, float &canvas_x2, float &canvas_y2,
271 int canvas_w, int canvas_h)
273 //printf("Canvas::get_transfers %d canvas_w=%d canvas_h=%d\n",
274 // __LINE__, canvas_w, canvas_h);
275 // automatic canvas size detection
276 if( canvas_w < 0 ) canvas_w = get_canvas()->get_w();
277 if( canvas_h < 0 ) canvas_h = get_canvas()->get_h();
279 float in_x1, in_y1, in_x2, in_y2;
280 float out_x1, out_y1, out_x2, out_y2;
281 float zoom_x, zoom_y, conformed_w, conformed_h;
283 get_zooms(edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
284 out_x1 = 0; out_x2 = canvas_w;
285 out_y1 = 0; out_y2 = canvas_h;
286 in_x1 = 0; in_x2 = canvas_w;
287 in_y1 = 0; in_y2 = canvas_h;
288 canvas_to_output(edl, 0, in_x1, in_y1);
289 canvas_to_output(edl, 0, in_x2, in_y2);
292 out_x1 += -in_x1 * zoom_x;
297 out_y1 += -in_y1 * zoom_y;
301 int output_w = get_output_w(edl);
302 int output_h = get_output_h(edl);
303 if( in_x2 > output_w ) {
304 out_x2 -= (in_x2 - output_w) * zoom_x;
308 if( in_y2 > output_h ) {
309 out_y2 -= (in_y2 - output_h) * zoom_y;
313 output_x1 = in_x1; output_x2 = in_x2;
314 output_y1 = in_y1; output_y2 = in_y2;
315 canvas_x1 = out_x1; canvas_x2 = out_x2;
316 canvas_y1 = out_y1; canvas_y2 = out_y2;
318 // Clamp to minimum value
319 if( output_x1 < 0 ) output_x1 = 0;
320 if( output_x2 < output_x1 ) output_x2 = output_x1;
321 if( canvas_x1 < 0 ) canvas_x1 = 0;
322 if( canvas_x2 < canvas_x1 ) canvas_x2 = canvas_x1;
323 // printf("Canvas::get_transfers %d %f,%f %f,%f -> %f,%f %f,%f\n", __LINE__,
324 // output_x1, output_y1, output_x2, output_y2,
325 // canvas_x1, canvas_y1, canvas_x2, canvas_y2);
328 int Canvas::scrollbars_exist()
330 return use_scrollbars && (xscroll || yscroll);
333 int Canvas::get_output_w(EDL *edl)
335 return edl->session->output_w;
338 int Canvas::get_output_h(EDL *edl)
340 return edl->session->output_h;
344 int Canvas::get_scrollbars(EDL *edl)
347 BC_WindowBase *window = get_canvas();
348 if( !window ) use_scrollbars = 0;
349 int canvas_w = w, canvas_h = h;
351 w_needed = w_visible = edl ? edl->session->output_w : view_w;
352 h_needed = h_visible = edl ? edl->session->output_h : view_h;
354 int need_xscroll = 0, need_yscroll = 0;
355 if( edl && use_scrollbars ) {
356 float zoom_x, zoom_y, conformed_w, conformed_h;
357 get_zooms(edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
358 w_visible = canvas_w / zoom_x;
359 h_visible = canvas_h / zoom_y;
360 float output_x = 0, output_y = 0;
361 output_to_canvas(edl, 0, output_x, output_y);
362 if( output_x < 0 ) need_xscroll = 1;
363 if( output_y < 0 ) need_yscroll = 1;
364 output_x = w_needed, output_y = h_needed;
365 output_to_canvas(edl, 0, output_x, output_y);
366 if( output_x > canvas_w ) need_xscroll = 1;
367 if( output_y > canvas_h ) need_yscroll = 1;
369 canvas_h -= BC_ScrollBar::get_span(SCROLL_HORIZ);
370 h_visible = canvas_h / zoom_y;
373 canvas_w -= BC_ScrollBar::get_span(SCROLL_VERT);
374 w_visible = canvas_w / zoom_x;
382 xscroll = new CanvasXScroll(edl, this, view_x, view_y + view_h,
383 w_needed, get_xscroll(), w_visible, view_w);
384 subwindow->add_subwindow(xscroll);
385 xscroll->show_window(0);
388 xscroll->reposition_window(view_x, view_y + view_h, view_w);
390 if( xscroll->get_length() != w_needed ||
391 xscroll->get_handlelength() != w_visible )
392 xscroll->update_length(w_needed, get_xscroll(), w_visible, 0);
396 delete xscroll; xscroll = 0;
402 yscroll = new CanvasYScroll(edl, this, view_x + view_w, view_y,
403 h_needed, get_yscroll(), h_visible, view_h);
404 subwindow->add_subwindow(yscroll);
405 yscroll->show_window(0);
408 yscroll->reposition_window(view_x + view_w, view_y, view_h);
410 if( yscroll->get_length() != edl->session->output_h ||
411 yscroll->get_handlelength() != h_visible )
412 yscroll->update_length(h_needed, get_yscroll(), h_visible, 0);
416 delete yscroll; yscroll = 0;
423 void Canvas::update_geometry(EDL *edl, int x, int y, int w, int h)
426 if( this->x != x || this->y != y ||
427 this->w != w || this->h != h )
430 redraw = get_scrollbars(edl);
432 reposition_window(edl, x, y, w, h);
435 void Canvas::reposition_window(EDL *edl, int x, int y, int w, int h)
437 this->x = view_x = x; this->y = view_y = y;
438 this->w = view_w = w; this->h = view_h = h;
439 //printf("Canvas::reposition_window 1\n");
441 //printf("Canvas::reposition_window %d %d %d %d\n", view_x, view_y, view_w, view_h);
442 if( canvas_subwindow ) {
443 canvas_subwindow->reposition_window(view_x, view_y, view_w, view_h);
445 // Need to clear out the garbage in the back
446 if( canvas_subwindow->get_video_on() )
452 // must hold window lock
453 int Canvas::refresh(int flush)
455 BC_WindowBase *window = get_canvas();
456 if( !window ) return 0;
457 // relock in lock order to prevent deadlock
458 window->unlock_window();
459 lock_canvas("Canvas::refresh");
461 canvas_lock->unlock();
464 // must not hold locks
465 int Canvas::redraw(int flush)
467 lock_canvas("Canvas::redraw");
473 void Canvas::set_cursor(int cursor)
475 get_canvas()->set_cursor(cursor, 0, 1);
478 int Canvas::get_cursor_x()
480 return get_canvas()->get_cursor_x();
483 int Canvas::get_cursor_y()
485 return get_canvas()->get_cursor_y();
488 int Canvas::get_buttonpress()
490 return get_canvas()->get_buttonpress();
494 void Canvas::create_objects(EDL *edl)
496 view_x = x; view_y = y;
497 view_w = w; view_h = h;
500 subwindow->unlock_window();
502 subwindow->lock_window("Canvas::create_objects");
504 subwindow->add_subwindow(canvas_menu = new CanvasPopup(this));
505 canvas_menu->create_objects();
507 subwindow->add_subwindow(fullscreen_menu = new CanvasFullScreenPopup(this));
508 fullscreen_menu->create_objects();
512 int Canvas::button_press_event()
516 if(get_canvas()->get_buttonpress() == 3)
519 fullscreen_menu->activate_menu();
521 canvas_menu->activate_menu();
528 void Canvas::start_single()
534 void Canvas::stop_single()
540 void Canvas::start_video()
544 get_canvas()->start_video();
549 void Canvas::stop_video()
553 get_canvas()->stop_video();
558 int Canvas::set_fullscreen(int on, int unlock)
561 BC_WindowBase *window = get_canvas();
563 window->unlock_window();
564 if( on && !get_fullscreen() ) {
568 if( !on && get_fullscreen() ) {
573 window->lock_window("Canvas::set_fullscreen");
577 void Canvas::start_fullscreen()
583 void Canvas::stop_fullscreen()
589 void Canvas::create_canvas()
591 canvas_lock->lock("Canvas::create_canvas");
593 BC_WindowBase *wdw = 0;
594 if( !get_fullscreen() ) {
596 if( canvas_fullscreen ) {
597 canvas_fullscreen->lock_window("Canvas::create_canvas 1");
598 video_on = canvas_fullscreen->get_video_on();
599 if( video_on ) canvas_fullscreen->stop_video();
600 canvas_fullscreen->hide_window();
601 canvas_fullscreen->unlock_window();
603 if( !canvas_auxwindow && !canvas_subwindow ) {
604 subwindow->add_subwindow(canvas_subwindow = new CanvasOutput(this,
605 view_x, view_y, view_w, view_h));
608 wdw->lock_window("Canvas::create_canvas 2");
612 wdw = canvas_auxwindow ? canvas_auxwindow : canvas_subwindow;
613 wdw->lock_window("Canvas::create_canvas 3");
614 video_on = wdw->get_video_on();
615 if( video_on ) wdw->stop_video();
617 wdw->get_fullscreen_geometry(x, y, w, h);
618 wdw->unlock_window();
619 if( canvas_fullscreen ) {
620 if( x != canvas_fullscreen->get_x() ||
621 y != canvas_fullscreen->get_y() ||
622 w != canvas_fullscreen->get_w() ||
623 h != canvas_fullscreen->get_h() ) {
624 delete canvas_fullscreen;
625 canvas_fullscreen = 0;
628 if( !canvas_fullscreen )
629 canvas_fullscreen = new CanvasFullScreen(this, w, h);
630 wdw = canvas_fullscreen;
631 wdw->lock_window("Canvas::create_canvas 4");
634 wdw->reposition_window(x, y);
643 wdw->unlock_window();
644 canvas_lock->unlock();
648 int Canvas::cursor_leave_event_base(BC_WindowBase *caller)
651 if(cursor_inside) result = cursor_leave_event();
656 int Canvas::cursor_enter_event_base(BC_WindowBase *caller)
659 if(caller->is_event_win() && caller->cursor_inside())
662 result = cursor_enter_event();
667 int Canvas::button_press_event_base(BC_WindowBase *caller)
669 if(caller->is_event_win() && caller->cursor_inside())
671 return button_press_event();
676 int Canvas::keypress_event(BC_WindowBase *caller)
678 int key = caller->get_keypress();
681 int on = get_fullscreen() ? 0 : 1;
682 set_fullscreen(on, 1);
685 set_fullscreen(0, 1);
688 return caller->context_help_check_and_show();
693 // process_scope uses the refresh frame for opengl
694 void Canvas::update_refresh(VideoDevice *device, VFrame *output_frame)
696 int best_color_model = output_frame->get_color_model();
698 device->out_config->driver == PLAYBACK_X11_GL &&
699 output_frame->get_opengl_state() != VFrame::RAM;
701 // OpenGL does YUV->RGB in the compositing step
703 best_color_model = BC_RGB888;
704 else if( BC_CModels::has_alpha(best_color_model) ) {
706 BC_CModels::is_float(best_color_model ) ?
708 BC_CModels::is_yuv(best_color_model ) ?
709 ( BC_CModels::calculate_pixelsize(best_color_model) > 8 ?
710 BC_YUV161616 : BC_YUV888 ) :
711 ( BC_CModels::calculate_pixelsize(best_color_model) > 8 ?
712 BC_RGB161616 : BC_RGB888 ) ;
714 int out_w = output_frame->get_w();
715 int out_h = output_frame->get_h();
717 (refresh_frame->get_w() != out_w ||
718 refresh_frame->get_h() != out_h ||
719 refresh_frame->get_color_model() != best_color_model ) ) {
720 // x11 direct render uses BC_BGR8888, use tranfer_from to remap
721 delete refresh_frame; refresh_frame = 0;
724 if( !refresh_frame ) {
726 new VFrame(out_w, out_h, best_color_model);
731 mwindow->playback_3d->copy_from(this, refresh_frame, output_frame, 0);
732 lock_canvas("Canvas::update_refresh");
735 refresh_frame->transfer_from(output_frame, -1);
736 draw_scope(refresh_frame, 1);
739 void Canvas::process_scope(VideoDevice *video, VFrame *frame)
741 if( !scope_on() ) return;
743 video->out_config->driver == PLAYBACK_X11_GL &&
744 frame->get_opengl_state() != VFrame::RAM;
746 update_refresh(video, frame);
747 frame = refresh_frame;
750 draw_scope(frame, 0);
753 void Canvas::clear(int flash)
755 BC_WindowBase *window = get_canvas();
756 if( !window ) return;
757 window->set_bg_color(get_clear_color());
758 window->clear_box(0,0, window->get_w(), window->get_h());
759 if( flash ) window->flash();
762 void Canvas::clear_borders(EDL *edl)
764 BC_WindowBase *window = get_canvas();
765 if( !window ) return;
766 int window_w = window->get_w();
767 int window_h = window->get_h();
768 int color = get_clear_color();
769 window->set_color(color);
772 window->draw_box(0, 0, window_w, window_h);
777 float output_x1,output_y1, output_x2,output_y2;
778 float canvas_x1,canvas_y1, canvas_x2,canvas_y2;
780 output_x1, output_y1, output_x2, output_y2,
781 canvas_x1, canvas_y1, canvas_x2, canvas_y2);
783 if( canvas_y1 > 0 ) {
784 window->draw_box(0, 0, window_w, canvas_y1);
785 window->flash(0, 0, window_w, canvas_y1);
788 if( canvas_y2 < window_h ) {
789 window->draw_box(0, canvas_y2, window_w, window_h-canvas_y2);
790 window->flash(0, canvas_y2, window_w, window_h-canvas_y2);
793 if( canvas_x1 > 0 ) {
794 window->draw_box(0, canvas_y1, canvas_x1, canvas_y2-canvas_y1);
795 window->flash(0, canvas_y1, canvas_x1, canvas_y2-canvas_y1);
798 if( canvas_x2 < window_w ) {
799 window->draw_box(canvas_x2, canvas_y1,
800 window_w-canvas_x2, canvas_y2-canvas_y1);
801 window->flash(canvas_x2, canvas_y1,
802 window_w-canvas_x2, canvas_y2-canvas_y1);
806 int Canvas::get_clear_color()
808 BC_WindowBase *cwdw = get_canvas();
809 if( !cwdw ) return 0;
810 return cwdw->get_bg_color();
813 CanvasOutput::CanvasOutput(Canvas *canvas,
814 int x, int y, int w, int h)
815 : BC_SubWindow(x, y, w, h, canvas->get_clear_color())
817 this->canvas = canvas;
820 CanvasOutput::~CanvasOutput()
824 int CanvasOutput::cursor_leave_event()
826 return canvas->cursor_leave_event_base(canvas->get_canvas());
829 int CanvasOutput::cursor_enter_event()
831 return canvas->cursor_enter_event_base(canvas->get_canvas());
834 int CanvasOutput::button_press_event()
836 return canvas->button_press_event_base(canvas->get_canvas());
839 int CanvasOutput::button_release_event()
841 return canvas->button_release_event();
844 int CanvasOutput::cursor_motion_event()
846 return canvas->cursor_motion_event();
849 int CanvasOutput::keypress_event()
851 return canvas->keypress_event(canvas->get_canvas());
856 CanvasFullScreen::CanvasFullScreen(Canvas *canvas, int w, int h)
857 : BC_FullScreen(canvas->subwindow, w, h, canvas->get_clear_color(), 0, 0, 0)
859 this->canvas = canvas;
862 CanvasFullScreen::~CanvasFullScreen()
867 CanvasXScroll::CanvasXScroll(EDL *edl, Canvas *canvas, int x, int y,
868 int length, int position, int handle_length, int pixels)
869 : BC_ScrollBar(x, y, SCROLL_HORIZ, pixels, length, position, handle_length)
871 this->canvas = canvas;
874 CanvasXScroll::~CanvasXScroll()
878 int CanvasXScroll::handle_event()
880 canvas->update_zoom(get_value(), canvas->get_yscroll(),
882 return canvas->refresh(1);
886 CanvasYScroll::CanvasYScroll(EDL *edl, Canvas *canvas, int x, int y,
887 int length, int position, int handle_length, int pixels)
888 : BC_ScrollBar(x, y, SCROLL_VERT, pixels, length, position, handle_length)
890 this->canvas = canvas;
893 CanvasYScroll::~CanvasYScroll()
897 int CanvasYScroll::handle_event()
899 canvas->update_zoom(canvas->get_xscroll(), get_value(),
901 return canvas->refresh(1);
905 CanvasFullScreenPopup::CanvasFullScreenPopup(Canvas *canvas)
906 : BC_PopupMenu(0, 0, 0, "", 0)
908 this->canvas = canvas;
912 void CanvasFullScreenPopup::create_objects()
914 add_item(new CanvasSubWindowItem(canvas));
917 CanvasSubWindowItem::CanvasSubWindowItem(Canvas *canvas)
918 : BC_MenuItem(_("Windowed"), "f", 'f')
920 this->canvas = canvas;
923 int CanvasSubWindowItem::handle_event()
925 // It isn't a problem to delete the canvas from in here because the event
926 // dispatcher is the canvas subwindow.
927 canvas->set_fullscreen(0, 1);
932 CanvasPopup::CanvasPopup(Canvas *canvas)
933 : BC_PopupMenu(0, 0, 0, "", 0)
935 this->canvas = canvas;
938 CanvasPopup::~CanvasPopup()
942 CanvasZoomSize::CanvasZoomSize(Canvas *canvas)
943 : BC_MenuItem(_("Resize Window..."))
945 this->canvas = canvas;
948 CanvasSizeSubMenu::CanvasSizeSubMenu(CanvasZoomSize *zoom_size)
950 this->zoom_size = zoom_size;
953 void CanvasPopup::create_objects()
955 add_item(new BC_MenuItem("-"));
956 add_item(new CanvasFullScreenItem(canvas));
958 CanvasZoomSize *zoom_size = new CanvasZoomSize(canvas);
960 CanvasSizeSubMenu *submenu = new CanvasSizeSubMenu(zoom_size);
961 zoom_size->add_submenu(submenu);
963 submenu->add_submenuitem(new CanvasPopupSize(canvas, _("Zoom 25%"), 0.25));
964 submenu->add_submenuitem(new CanvasPopupSize(canvas, _("Zoom 33%"), 0.33));
965 submenu->add_submenuitem(new CanvasPopupSize(canvas, _("Zoom 50%"), 0.5));
966 submenu->add_submenuitem(new CanvasPopupSize(canvas, _("Zoom 75%"), 0.75));
967 submenu->add_submenuitem(new CanvasPopupSize(canvas, _("Zoom 100%"), 1.0));
968 submenu->add_submenuitem(new CanvasPopupSize(canvas, _("Zoom 150%"), 1.5));
969 submenu->add_submenuitem(new CanvasPopupSize(canvas, _("Zoom 200%"), 2.0));
970 submenu->add_submenuitem(new CanvasPopupSize(canvas, _("Zoom 300%"), 3.0));
971 submenu->add_submenuitem(new CanvasPopupSize(canvas, _("Zoom 400%"), 4.0));
975 CanvasPopupAuto::CanvasPopupAuto(Canvas *canvas)
976 : BC_MenuItem(_("Zoom Auto"))
978 this->canvas = canvas;
981 int CanvasPopupAuto::handle_event()
988 CanvasPopupSize::CanvasPopupSize(Canvas *canvas, char *text, float percentage)
991 this->canvas = canvas;
992 this->percentage = percentage;
994 CanvasPopupSize::~CanvasPopupSize()
997 int CanvasPopupSize::handle_event()
999 canvas->zoom_resize_window(percentage);
1004 CanvasPopupResetCamera::CanvasPopupResetCamera(Canvas *canvas)
1005 : BC_MenuItem(_("Reset camera"), _("F11"), KEY_F11)
1007 this->canvas = canvas;
1009 int CanvasPopupResetCamera::handle_event()
1011 canvas->reset_camera();
1015 CanvasPopupResetProjector::CanvasPopupResetProjector(Canvas *canvas)
1016 : BC_MenuItem(_("Reset projector"), _("F12"), KEY_F12)
1018 this->canvas = canvas;
1020 int CanvasPopupResetProjector::handle_event()
1022 canvas->reset_projector();
1027 CanvasPopupCameraKeyframe::CanvasPopupCameraKeyframe(Canvas *canvas)
1028 : BC_MenuItem(_("Camera keyframe"), _("Shift-F11"), KEY_F11)
1030 this->canvas = canvas;
1033 int CanvasPopupCameraKeyframe::handle_event()
1035 canvas->camera_keyframe();
1039 CanvasPopupProjectorKeyframe::CanvasPopupProjectorKeyframe(Canvas *canvas)
1040 : BC_MenuItem(_("Projector keyframe"), _("Shift-F12"), KEY_F12)
1042 this->canvas = canvas;
1045 int CanvasPopupProjectorKeyframe::handle_event()
1047 canvas->projector_keyframe();
1052 CanvasPopupResetTranslation::CanvasPopupResetTranslation(Canvas *canvas)
1053 : BC_MenuItem(_("Reset translation"))
1055 this->canvas = canvas;
1057 int CanvasPopupResetTranslation::handle_event()
1059 canvas->reset_translation();
1064 CanvasFullScreenItem::CanvasFullScreenItem(Canvas *canvas)
1065 : BC_MenuItem(_("Fullscreen"), "f", 'f')
1067 this->canvas = canvas;
1069 int CanvasFullScreenItem::handle_event()
1071 canvas->set_fullscreen(1, 1);
1076 CanvasPopupRemoveSource::CanvasPopupRemoveSource(Canvas *canvas)
1077 : BC_MenuItem(_("Close source"))
1079 this->canvas = canvas;
1081 int CanvasPopupRemoveSource::handle_event()
1083 canvas->close_source();