コード例 #1
0
ファイル: sheet.c プロジェクト: hriesz/oregano-old
int
sheet_event_callback (GtkWidget *widget, GdkEvent *event, Sheet *sheet)
{
	switch (event->type) {
		case GDK_3BUTTON_PRESS:
			// We don't not care about triple clicks on the sheet.
			return FALSE;
		case GDK_2BUTTON_PRESS:
			// The sheet does not care about double clicks, but invoke the
		 	// canvas event handler and see if an item picks up the event.
			if ((*GTK_WIDGET_CLASS (sheet->priv->sheet_parent_class)
			     ->button_press_event) (widget, (GdkEventButton *)event))
			return TRUE;
		else
			return FALSE;
		case GDK_BUTTON_PRESS:
			// If we are in the middle of something else, don't interfere
		 	// with that.
			if (sheet->state != SHEET_STATE_NONE) {
				return FALSE;
			}

			if ((* GTK_WIDGET_CLASS (sheet->priv->sheet_parent_class)
		         ->button_press_event) (widget, (GdkEventButton *) event)) {
				return TRUE;
			}

			if (event->button.button == 3) {
				run_context_menu (
					schematic_view_get_schematicview_from_sheet (sheet), 
			    	(GdkEventButton *) event);
				return TRUE;
			}

			if (event->button.button == 1) {
				if (!(event->button.state & GDK_SHIFT_MASK))
					sheet_select_all (sheet, FALSE);

				rubberband_start (sheet, event);
				return TRUE;
			}
			break;
		case GDK_BUTTON_RELEASE:
			if (event->button.button == 4 || event->button.button == 5)
				return TRUE;

			if (event->button.button == 1 && sheet->priv->rubberband_info->state == RUBBERBAND_ACTIVE) {
				rubberband_finish (sheet, event);
				return TRUE;
			}

			if (GTK_WIDGET_CLASS (sheet->priv->sheet_parent_class)->button_release_event != NULL) {
				return GTK_WIDGET_CLASS (sheet->priv->sheet_parent_class)
					->button_release_event (widget, (GdkEventButton *) event);
			}

			break;

		case GDK_SCROLL:
			if (((GdkEventScroll *)event)->direction == GDK_SCROLL_UP) {
				double zoom;
				sheet_get_zoom (sheet, &zoom);
				if (zoom < ZOOM_MAX)
					sheet_change_zoom (sheet, 1.1);
				} 
				else if (((GdkEventScroll *)event)->direction == GDK_SCROLL_DOWN) {
					double zoom;
				sheet_get_zoom (sheet, &zoom);
				if (zoom > ZOOM_MIN)
					sheet_change_zoom (sheet, 0.9);
				}
				break;
		case GDK_MOTION_NOTIFY:
			if (sheet->priv->rubberband_info->state == RUBBERBAND_ACTIVE) {
				rubberband_update (sheet, event);
				return TRUE;
			}
			if (GTK_WIDGET_CLASS (sheet->priv->sheet_parent_class)
			    ->motion_notify_event != NULL) {
				return GTK_WIDGET_CLASS (sheet->priv->sheet_parent_class)
						->motion_notify_event (widget, (GdkEventMotion *) event);		
			}
		case GDK_ENTER_NOTIFY:
			GTK_WIDGET_CLASS (sheet->priv->sheet_parent_class)
						->enter_notify_event (widget, (GdkEventCrossing *) event);
		case GDK_KEY_PRESS:
			switch (event->key.keyval) {
				case GDK_KEY_R:
				case GDK_KEY_r:
					if (sheet->state == SHEET_STATE_NONE)
						sheet_rotate_selection (sheet);
					break;
				case GDK_KEY_Home:
				case GDK_KEY_End:
					break;
				case GDK_KEY_Left:
					if (event->key.state & GDK_MOD1_MASK)
						sheet_scroll_pixel (sheet, -20, 0);
					break;
				case GDK_KEY_Up:
					if (event->key.state & GDK_MOD1_MASK)
						sheet_scroll_pixel (sheet, 0, -20);
					break;
				case GDK_KEY_Right:
					if (event->key.state & GDK_MOD1_MASK)
						sheet_scroll_pixel (sheet, 20, 0);
					break;
				case GDK_KEY_Down:
					if (event->key.state & GDK_MOD1_MASK)
						sheet_scroll_pixel (sheet, 0, 20);
					break;
				case GDK_KEY_Page_Up:
					if (event->key.state & GDK_MOD1_MASK)
						sheet_scroll_pixel (sheet, 0, -120);
					break;
				case GDK_KEY_Page_Down:
					if (event->key.state & GDK_MOD1_MASK)
						sheet_scroll_pixel (sheet, 0, 120);
					break;
				case GDK_KEY_Escape:
					g_signal_emit_by_name (G_OBJECT (sheet), "cancel");
					break;
				case GDK_KEY_Delete:
					sheet_delete_selection (sheet);
					break;
				default:
					return FALSE;
			}
		default:
			return FALSE;
	}

	return TRUE;
}
コード例 #2
0
ファイル: wire-item.c プロジェクト: dionysos-sf/oregano
gboolean
wire_item_event (WireItem *wire_item,
		 GooCanvasItem *sheet_target_item,
         GdkEvent *event, Sheet *sheet)
{
	SheetPos start_pos, length;
	Wire *wire;
	GooCanvas *canvas;
	static double last_x, last_y;
	double dx, dy, zoom;
	// The selected group's bounding box in window resp. canvas coordinates.
	double snapped_x, snapped_y;
	SheetPos pos;

	
	canvas = GOO_CANVAS (sheet);
	g_object_get (G_OBJECT (wire_item), 
	              "data", &wire, 
	              NULL);

	wire_get_pos_and_length (WIRE (wire), &start_pos, &length);
	sheet_get_zoom (sheet, &zoom);

	switch (event->type) {
		case GDK_BUTTON_PRESS:
			switch (event->button.button) {
				case 1: {
					double x, y;
					g_signal_stop_emission_by_name (wire_item, 
					                                "button_press_event");
					sheet_get_pointer (sheet, &x, &y);
					x = x - start_pos.x;
					y = y - start_pos.y;
					if ((x > -RESIZER_SIZE) && (x < RESIZER_SIZE)  &&
						(y > -RESIZER_SIZE) && (y < RESIZER_SIZE)) {
						gtk_widget_grab_focus (GTK_WIDGET (sheet));
						sheet->state = SHEET_STATE_DRAG_START;
						wire_item->priv->resize_state = WIRE_RESIZER_1;

						sheet_get_pointer (sheet, &x, &y);
						last_x = x;
						last_y = y;
						item_data_unregister (ITEM_DATA (wire)); 
						return TRUE;
					}
                    if ((x > (length.x-RESIZER_SIZE)) && 
                        (x < (length.x+RESIZER_SIZE)) &&
						(y > (length.y-RESIZER_SIZE)) && 
                        (y < (length.y+RESIZER_SIZE))) {
						gtk_widget_grab_focus (GTK_WIDGET (sheet));
						sheet->state = SHEET_STATE_DRAG_START;
						wire_item->priv->resize_state = WIRE_RESIZER_2;

						sheet_get_pointer (sheet, &x, &y);
						last_x = x;
						last_y = y;
						item_data_unregister (ITEM_DATA (wire));
						return TRUE;
					}
				}
				break;
			}
			break;

		case GDK_MOTION_NOTIFY:
            if (sheet->state != SHEET_STATE_DRAG &&
				sheet->state != SHEET_STATE_DRAG_START)
				break;

			if (wire_item->priv->resize_state == WIRE_RESIZER_NONE)
				break;

			if (sheet->state == SHEET_STATE_DRAG_START || 
			    sheet->state == SHEET_STATE_DRAG) 	   {

				g_signal_stop_emission_by_name (wire_item, 
				                                "motion-notify-event");
					
				sheet->state = SHEET_STATE_DRAG;
				
				sheet_get_pointer (sheet, &snapped_x, &snapped_y);
		
				dx = snapped_x - last_x;
				dy = snapped_y - last_y;

				last_x = snapped_x;
				last_y = snapped_y;

				wire_get_pos_and_length (wire, &pos, &length);

				if (wire_item->priv->resize_state == WIRE_RESIZER_1) {
					switch (wire->priv->direction) {
						case WIRE_DIR_VERT:
							/* Vertical Wire */
							pos.y = last_y;
							length.y -= dy;
						break;
						case WIRE_DIR_HORIZ:
							/* Horizontal Wire */
							pos.x = last_x;
							length.x -= dx;
						break;
						default:
							pos.y = last_y;
							length.y -= dy;
							pos.x = last_x;
							length.x -= dx;
					}
				} 
				else {
					switch (wire->priv->direction) {
						case WIRE_DIR_VERT:
							/* Vertical Wire */
							length.y += dy;
						break;
						case WIRE_DIR_HORIZ:
							/* Horizontal Wire */
							length.x += dx;
						break;
						default:
							length.y += dy;
							length.x += dx;
					}
				}
				snap_to_grid (sheet->grid, &length.x, &length.y);
				item_data_set_pos (sheet_item_get_data (SHEET_ITEM (wire_item)), 
				                   &pos);

				wire_set_length (wire, &length);
				return TRUE;
			}
			break;
		case GDK_BUTTON_RELEASE:
			switch (event->button.button) {
			case 1:
				if (sheet->state != SHEET_STATE_DRAG &&
					sheet->state != SHEET_STATE_DRAG_START) {
					break;
				}
				if (wire_item->priv->resize_state == WIRE_RESIZER_NONE) {
					break;
				}
				
				g_signal_stop_emission_by_name (wire_item, 
				                                "button-release-event");
				   
				goo_canvas_pointer_ungrab (canvas, GOO_CANVAS_ITEM (wire_item),
					event->button.time);
					
				wire_item->priv->resize_state = WIRE_RESIZER_NONE;
				sheet->state = SHEET_STATE_NONE;
				item_data_register (ITEM_DATA (wire));
				return TRUE;
			}
			break;
		default:
			return sheet_item_event (GOO_CANVAS_ITEM (wire_item), 
			                         GOO_CANVAS_ITEM (wire_item), event, sheet);
	}
	return sheet_item_event (GOO_CANVAS_ITEM (wire_item), 
	                         GOO_CANVAS_ITEM (wire_item), event, sheet);
}
コード例 #3
0
ファイル: wire-item.c プロジェクト: Miuler/oregano
static
int wire_item_event (WireItem *wire_item, const GdkEvent *event, SchematicView *sv)
{
	SheetPos start_pos, length;
	Wire *wire;
	Sheet *sheet;
	GnomeCanvas *canvas;
	static double last_x, last_y;
	double dx, dy, zoom;
	/* The selected group's bounding box in window resp. canvas coordinates. */
	double x1, y1, x2, y2;
	static double bb_x1, bb_y1, bb_x2, bb_y2;
	int cx1, cy1, cx2, cy2;
	double snapped_x, snapped_y;
	int sheet_width, sheet_height;
	SheetPos pos;

	sheet = schematic_view_get_sheet (sv);
	canvas = GNOME_CANVAS (sheet);
	g_object_get (G_OBJECT (wire_item), "data", &wire, NULL);

	wire_get_pos_and_length (WIRE (wire), &start_pos, &length);
	sheet_get_zoom (sheet, &zoom);

	switch (event->type) {
		case GDK_BUTTON_PRESS:
			switch (event->button.button) {
				case 1: {
					g_signal_stop_emission_by_name (G_OBJECT (sheet), "event");
					double x, y;
					x = event->button.x - start_pos.x;
					y = event->button.y - start_pos.y;
					if ((x > -RESIZER_SIZE) && (x < RESIZER_SIZE) &&
						 (y > -RESIZER_SIZE) && (y < RESIZER_SIZE)) {
						gtk_widget_grab_focus (GTK_WIDGET (sheet));
						sheet->state = SHEET_STATE_DRAG_START;
						wire_item->priv->resize_state = WIRE_RESIZER_1;

						last_x = event->button.x;
						last_y = event->button.y;
						item_data_unregister (ITEM_DATA (wire));
						return TRUE;
					}
					if ((x > (length.x-RESIZER_SIZE)) && (x < (length.x+RESIZER_SIZE)) &&
						 (y > (length.y-RESIZER_SIZE)) && (y < (length.y+RESIZER_SIZE))) {
						gtk_widget_grab_focus (GTK_WIDGET (sheet));
						sheet->state = SHEET_STATE_DRAG_START;
						wire_item->priv->resize_state = WIRE_RESIZER_2;

						last_x = event->button.x;
						last_y = event->button.y;
						item_data_unregister (ITEM_DATA (wire));
						return TRUE;
					}
				}
				break;
			}
		break;
		case GDK_MOTION_NOTIFY:
			if (sheet->state != SHEET_STATE_DRAG &&
				sheet->state != SHEET_STATE_DRAG_START)
				break;

			if (wire_item->priv->resize_state == WIRE_RESIZER_NONE)
				break;

			if (sheet->state == SHEET_STATE_DRAG_START || sheet->state == SHEET_STATE_DRAG) {
				sheet->state = SHEET_STATE_DRAG;
		
				snapped_x = event->motion.x;
				snapped_y = event->motion.y;
				snap_to_grid (sheet->grid, &snapped_x, &snapped_y);
		
				dx = snapped_x - last_x;
				dy = snapped_y - last_y;

		
				last_x = snapped_x;
				last_y = snapped_y;

				wire_get_pos_and_length (wire, &pos, &length);

				if (wire_item->priv->resize_state == WIRE_RESIZER_1) {
					switch (wire->priv->direction) {
						case WIRE_DIR_VERT:
							/* Vertical Wire */
							pos.y = last_y;
							length.y -= dy;
						break;
						case WIRE_DIR_HORIZ:
							/* Horizontal Wire */
							pos.x = last_x;
							length.x -= dx;
						break;
						default:
							pos.y = last_y;
							length.y -= dy;
							pos.x = last_x;
							length.x -= dx;
					}
				} else {
					switch (wire->priv->direction) {
						case WIRE_DIR_VERT:
							/* Vertical Wire */
							length.y += dy;
						break;
						case WIRE_DIR_HORIZ:
							/* Horizontal Wire */
							length.x += dx;
						break;
						default:
							length.y += dy;
							length.x += dx;
					}
				}
				snap_to_grid (sheet->grid, &length.x, &length.y);
				item_data_set_pos (sheet_item_get_data (SHEET_ITEM (wire_item)), &pos);
				wire_set_length (wire, &length);
				return TRUE;
			}
		break;
		case GDK_BUTTON_RELEASE:
			switch (event->button.button) {
			case 1:
				if (sheet->state != SHEET_STATE_DRAG &&
					sheet->state != SHEET_STATE_DRAG_START)
					break;
				if (wire_item->priv->resize_state == WIRE_RESIZER_NONE)
					break;

				g_signal_stop_emission_by_name (G_OBJECT (wire_item), "event");

				//gtk_timeout_remove (priv->scroll_timeout_id); // Esto no esta bien.

				sheet->state = SHEET_STATE_NONE;
				gnome_canvas_item_ungrab (GNOME_CANVAS_ITEM (wire_item), event->button.time);

				wire_item->priv->resize_state = WIRE_RESIZER_NONE;
				sheet->state = SHEET_STATE_NONE;
				item_data_register (ITEM_DATA (wire));
				return TRUE;
			}
			break;
		default:
			return sheet_item_event (SHEET_ITEM (wire_item), event, sv);
	}
	return sheet_item_event (SHEET_ITEM (wire_item), event, sv);
}