comparison: ui/gtk/image.c
ui/gtk/image.c
- changeset 547
- 631162b266d1
- parent 533
- 951b92ce3708
- child 548
- 198756ab2845
equal
deleted
inserted
replaced
| 546:5b00f1e55f4e | 547:631162b266d1 |
|---|---|
| 86 toplevel = widget; | 86 toplevel = widget; |
| 87 } | 87 } |
| 88 | 88 |
| 89 UiImageViewer *imgviewer = malloc(sizeof(UiImageViewer)); | 89 UiImageViewer *imgviewer = malloc(sizeof(UiImageViewer)); |
| 90 memset(imgviewer, 0, sizeof(UiImageViewer)); | 90 memset(imgviewer, 0, sizeof(UiImageViewer)); |
| 91 imgviewer->obj = obj; | |
| 92 imgviewer->onbuttonpress = args.onbuttonpress; | |
| 93 imgviewer->onbuttonpressdata = args.onbuttonpressdata; | |
| 94 imgviewer->onbuttonrelease = args.onbuttonrelease; | |
| 95 imgviewer->onbuttonreleasedata = args.onbuttonreleasedata; | |
| 91 if(args.image_padding > 0) { | 96 if(args.image_padding > 0) { |
| 92 imgviewer->padding_left = args.image_padding; | 97 imgviewer->padding_left = args.image_padding; |
| 93 imgviewer->padding_right = args.image_padding; | 98 imgviewer->padding_right = args.image_padding; |
| 94 imgviewer->padding_top = args.image_padding; | 99 imgviewer->padding_top = args.image_padding; |
| 95 imgviewer->padding_bottom = args.image_padding; | 100 imgviewer->padding_bottom = args.image_padding; |
| 141 GtkGesture *drag = gtk_gesture_drag_new(); | 146 GtkGesture *drag = gtk_gesture_drag_new(); |
| 142 g_signal_connect(drag, "drag-begin", G_CALLBACK(ui_imageviewer_drag_begin_cb), imgviewer); | 147 g_signal_connect(drag, "drag-begin", G_CALLBACK(ui_imageviewer_drag_begin_cb), imgviewer); |
| 143 g_signal_connect(drag, "drag-end", G_CALLBACK(ui_imageviewer_drag_end_cb), imgviewer); | 148 g_signal_connect(drag, "drag-end", G_CALLBACK(ui_imageviewer_drag_end_cb), imgviewer); |
| 144 g_signal_connect(drag, "drag-update", G_CALLBACK(ui_imageviewer_drag_update_cb), imgviewer); | 149 g_signal_connect(drag, "drag-update", G_CALLBACK(ui_imageviewer_drag_update_cb), imgviewer); |
| 145 gtk_widget_add_controller(GTK_WIDGET(drawingarea), GTK_EVENT_CONTROLLER(drag)); | 150 gtk_widget_add_controller(GTK_WIDGET(drawingarea), GTK_EVENT_CONTROLLER(drag)); |
| 151 | |
| 152 GtkGesture *click = gtk_gesture_click_new(); | |
| 153 g_signal_connect(click, "pressed", G_CALLBACK(ui_imageviewer_pressed_cb), imgviewer); | |
| 154 g_signal_connect(click, "released", G_CALLBACK(ui_imageviewer_released_cb), imgviewer); | |
| 155 gtk_widget_add_controller(GTK_WIDGET(drawingarea), GTK_EVENT_CONTROLLER(click)); | |
| 146 | 156 |
| 147 #elif GTK_MAJOR_VERSION == 3 | 157 #elif GTK_MAJOR_VERSION == 3 |
| 148 g_signal_connect( | 158 g_signal_connect( |
| 149 drawingarea, | 159 drawingarea, |
| 150 "draw", | 160 "draw", |
| 349 } | 359 } |
| 350 return FALSE; | 360 return FALSE; |
| 351 } | 361 } |
| 352 | 362 |
| 353 void ui_imageviewer_drag_begin_cb( | 363 void ui_imageviewer_drag_begin_cb( |
| 354 GtkGestureDrag* self, | 364 GtkGestureDrag *self, |
| 355 gdouble start_x, | 365 gdouble start_x, |
| 356 gdouble start_y, | 366 gdouble start_y, |
| 357 gpointer userdata) | 367 gpointer userdata) |
| 358 { | 368 { |
| 359 UiImageViewer *imgviewer = userdata; | 369 UiImageViewer *imgviewer = userdata; |
| 369 { | 379 { |
| 370 | 380 |
| 371 } | 381 } |
| 372 | 382 |
| 373 void ui_imageviewer_drag_update_cb( | 383 void ui_imageviewer_drag_update_cb( |
| 374 GtkGestureDrag* self, | 384 GtkGestureDrag *self, |
| 375 gdouble x, | 385 gdouble x, |
| 376 gdouble y, | 386 gdouble y, |
| 377 gpointer userdata) | 387 gpointer userdata) |
| 378 { | 388 { |
| 379 UiImageViewer *imgviewer = userdata; | 389 UiImageViewer *imgviewer = userdata; |
| 382 imgviewer->transy = imgviewer->begin_transy + y; | 392 imgviewer->transy = imgviewer->begin_transy + y; |
| 383 gtk_widget_queue_draw(imgviewer->widget); | 393 gtk_widget_queue_draw(imgviewer->widget); |
| 384 } | 394 } |
| 385 } | 395 } |
| 386 | 396 |
| 397 static void imgviewer_button_event( | |
| 398 GtkGestureClick *gesture, | |
| 399 UiImageViewer *imgviewer, | |
| 400 ui_callback callback, | |
| 401 void *userdata) | |
| 402 { | |
| 403 UiEvent event; | |
| 404 event.obj = imgviewer->obj; | |
| 405 event.window = event.obj->window; | |
| 406 event.document = event.obj->ctx->document; | |
| 407 event.eventdata = NULL; | |
| 408 event.intval = gtk_gesture_single_get_current_button(GTK_GESTURE_SINGLE(gesture)); | |
| 409 event.set = 0; | |
| 410 callback(&event, userdata); | |
| 411 } | |
| 412 | |
| 413 void ui_imageviewer_pressed_cb( | |
| 414 GtkGestureClick *self, | |
| 415 gint n_press, | |
| 416 gdouble x, | |
| 417 gdouble y, | |
| 418 gpointer userdata) | |
| 419 { | |
| 420 UiImageViewer *imgviewer = userdata; | |
| 421 if(imgviewer->onbuttonpress) { | |
| 422 imgviewer_button_event(self, imgviewer, imgviewer->onbuttonpress, imgviewer->onbuttonpressdata); | |
| 423 } | |
| 424 } | |
| 425 | |
| 426 void ui_imageviewer_released_cb( | |
| 427 GtkGestureClick *self, | |
| 428 gint n_press, | |
| 429 gdouble x, | |
| 430 gdouble y, | |
| 431 gpointer userdata) | |
| 432 { | |
| 433 UiImageViewer *imgviewer = userdata; | |
| 434 if(imgviewer->onbuttonrelease) { | |
| 435 imgviewer_button_event(self, imgviewer, imgviewer->onbuttonrelease, imgviewer->onbuttonreleasedata); | |
| 436 } | |
| 437 } | |
| 438 | |
| 387 #else | 439 #else |
| 388 | 440 |
| 389 gboolean ui_imageviewer_scroll_event( | 441 gboolean ui_imageviewer_scroll_event( |
| 390 GtkWidget *widget, | 442 GtkWidget *widget, |
| 391 GdkEventScroll event, | 443 GdkEventScroll event, |
| 392 gpointer userdata) | 444 gpointer userdata) |
| 393 { | 445 { |
| 394 printf("scroll event\n"); | 446 // TODO |
| 395 return FALSE; | 447 return FALSE; |
| 396 } | 448 } |
| 397 | 449 |
| 398 gboolean ui_imageviewer_button_press_event( | 450 gboolean ui_imageviewer_button_press_event( |
| 399 GtkWidget *widget, | 451 GtkWidget *widget, |
| 400 GdkEventButton event, | 452 GdkEventButton event, |
| 401 gpointer userdata) | 453 gpointer userdata) |
| 402 { | 454 { |
| 403 printf("button pressed\n"); | 455 // TODO |
| 456 return FALSE; | |
| 404 } | 457 } |
| 405 | 458 |
| 406 gboolean ui_imageviewer_button_release_event( | 459 gboolean ui_imageviewer_button_release_event( |
| 407 GtkWidget *widget, | 460 GtkWidget *widget, |
| 408 GdkEventButton event, | 461 GdkEventButton event, |
| 409 gpointer userdata) | 462 gpointer userdata) |
| 410 { | 463 { |
| 411 printf("button released\n"); | 464 // TODO |
| 465 return FALSE; | |
| 412 } | 466 } |
| 413 | 467 |
| 414 #endif | 468 #endif |
