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106 lines
3.1 KiB
106 lines
3.1 KiB
2 years ago
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/*
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* EEZ Modular Firmware
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* Copyright (C) 2015-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/grid.h>
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namespace eez {
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namespace gui {
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#define GRID_FLOW_ROW 1
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#define GRID_FLOW_COLUMN 2
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bool GridWidgetState::updateState() {
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WIDGET_STATE_START(GridWidget);
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startPosition = ytDataGetPosition(widgetCursor, widget->data);
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count = eez::gui::count(widgetCursor, widget->data);
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WIDGET_STATE_END()
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}
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void GridWidgetState::enumChildren() {
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WidgetCursor &widgetCursor = g_widgetCursor;
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if (count > 0) {
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auto widget = (const GridWidget *)widgetCursor.widget;
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const Widget *childWidget = static_cast<const Widget *>(widget->itemWidget);
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widgetCursor.widget = childWidget;
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auto savedX = widgetCursor.x;
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auto savedY = widgetCursor.y;
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auto savedCursor = widgetCursor.cursor;
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int xOffset = 0;
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int yOffset = 0;
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Value oldValue;
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auto width = widgetCursor.w;
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auto height = widgetCursor.h;
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for (int index = startPosition; index < count; ++index) {
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select(widgetCursor, widget->data, index, oldValue);
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widgetCursor.x = savedX + xOffset;
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widgetCursor.y = savedY + yOffset;
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widgetCursor.w = childWidget->width;
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widgetCursor.h = childWidget->height;
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widgetCursor.pushIterator(index);
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enumWidget();
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widgetCursor.popIterator();
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if (widget->gridFlow == GRID_FLOW_ROW) {
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xOffset += childWidget->width;
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if (xOffset + childWidget->width > width) {
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yOffset += childWidget->height;
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if (yOffset + childWidget->height > height) {
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break;
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}
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xOffset = 0;
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}
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} else {
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yOffset += childWidget->height;
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if (yOffset + childWidget->height > height) {
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xOffset += childWidget->width;
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if (xOffset + childWidget->width > width) {
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break;
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}
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yOffset = 0;
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}
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}
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}
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deselect(widgetCursor, widget->data, oldValue);
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widgetCursor.widget = widget;
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widgetCursor.x = savedX;
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widgetCursor.y = savedY;
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widgetCursor.cursor = savedCursor;
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}
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}
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} // namespace gui
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} // namespace eez
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