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109 lines
4.3 KiB
109 lines
4.3 KiB
/* |
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* EEZ Generic Firmware |
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* Copyright (C) 2018-present, Envox d.o.o. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include <eez/gui/gui.h> |
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#include <eez/gui/widgets/containers/container.h> |
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namespace eez { |
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namespace gui { |
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bool isOverlay(const WidgetCursor &widgetCursor) { |
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if (widgetCursor.widget->type != WIDGET_TYPE_CONTAINER) { |
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return false; |
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} |
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auto containerWidget = (const ContainerWidget *)widgetCursor.widget; |
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return containerWidget->overlay != DATA_ID_NONE; |
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} |
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Overlay *getOverlay(const WidgetCursor &widgetCursor) { |
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if (widgetCursor.widget->type != WIDGET_TYPE_CONTAINER) { |
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return nullptr; |
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} |
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auto containerWidget = (const ContainerWidget *)widgetCursor.widget; |
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if (containerWidget->overlay == DATA_ID_NONE) { |
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return nullptr; |
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} |
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Value overlayValue; |
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DATA_OPERATION_FUNCTION(containerWidget->overlay, DATA_OPERATION_GET_OVERLAY_DATA, widgetCursor, overlayValue); |
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if (overlayValue.getType() != VALUE_TYPE_POINTER) { |
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return nullptr; |
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} |
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return (Overlay *)overlayValue.getVoidPointer(); |
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} |
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void getOverlayOffset(const WidgetCursor &widgetCursor, int &xOffset, int &yOffset) { |
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Overlay *overlay = getOverlay(widgetCursor); |
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if (overlay) { |
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auto &overlayXOffset = (overlay->visibility & OVERLAY_MINIMIZED) != 0 ? overlay->xOffsetMinimized : overlay->xOffsetMaximized; |
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auto &overlayYOffset = (overlay->visibility & OVERLAY_MINIMIZED) != 0 ? overlay->yOffsetMinimized : overlay->yOffsetMaximized; |
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if (!overlay->moved && overlay->state) { |
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overlayXOffset = overlay->x - widgetCursor.widget->x; |
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overlayYOffset = overlay->y - widgetCursor.widget->y; |
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} |
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int x1 = 0; |
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int y1 = 0; |
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int x2 = 0; |
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int y2 = 0; |
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expandRectWithShadow(x1, y1, x2, y2); |
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int x = widgetCursor.x + overlayXOffset; |
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if (x + x1 < widgetCursor.appContext->rect.x) { |
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x = widgetCursor.appContext->rect.x - x1; |
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} |
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if (x + overlay->width + x2 > widgetCursor.appContext->rect.x + widgetCursor.appContext->rect.w) { |
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x = widgetCursor.appContext->rect.x + widgetCursor.appContext->rect.w - overlay->width - x2; |
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} |
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int y = widgetCursor.y + overlayYOffset; |
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if (y + y1 < widgetCursor.appContext->rect.y) { |
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y = widgetCursor.appContext->rect.y - y1; |
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} |
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if (y + overlay->height + y2 > widgetCursor.appContext->rect.y + widgetCursor.appContext->rect.h) { |
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y = widgetCursor.appContext->rect.y + widgetCursor.appContext->rect.h - overlay->height - y2; |
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} |
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xOffset = overlayXOffset = x - widgetCursor.x; |
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yOffset = overlayYOffset = y - widgetCursor.y; |
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} else { |
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xOffset = 0; |
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yOffset = 0; |
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} |
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} |
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void dragOverlay(Event &touchEvent) { |
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Overlay *overlay = getOverlay(getFoundWidgetAtDown()); |
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if (overlay) { |
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auto &overlayXOffset = (overlay->visibility & OVERLAY_MINIMIZED) != 0 ? overlay->xOffsetMinimized : overlay->xOffsetMaximized; |
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auto &overlayYOffset = (overlay->visibility & OVERLAY_MINIMIZED) != 0 ? overlay->yOffsetMinimized : overlay->yOffsetMaximized; |
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if (touchEvent.type == EVENT_TYPE_TOUCH_DOWN) { |
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overlay->xOnTouchDown = touchEvent.x; |
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overlay->yOnTouchDown = touchEvent.y; |
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overlay->xOffsetOnTouchDown = overlayXOffset; |
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overlay->yOffsetOnTouchDown = overlayYOffset; |
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} else if (touchEvent.type == EVENT_TYPE_TOUCH_MOVE) { |
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overlay->moved = true; |
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overlayXOffset = overlay->xOffsetOnTouchDown + touchEvent.x - overlay->xOnTouchDown; |
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overlayYOffset = overlay->yOffsetOnTouchDown + touchEvent.y - overlay->yOnTouchDown; |
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} |
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} |
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} |
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} // namespace gui |
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} // namespace eez
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