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/*
* EEZ Modular Firmware
* Copyright (C) 2015-present, Envox d.o.o.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <eez/gui/gui.h>
#include <eez/gui/widgets/containers/grid.h>
namespace eez {
namespace gui {
#define GRID_FLOW_ROW 1
#define GRID_FLOW_COLUMN 2
bool GridWidgetState::updateState() {
WIDGET_STATE_START(GridWidget);
startPosition = ytDataGetPosition(widgetCursor, widget->data);
count = eez::gui::count(widgetCursor, widget->data);
WIDGET_STATE_END()
}
void GridWidgetState::enumChildren() {
WidgetCursor &widgetCursor = g_widgetCursor;
if (count > 0) {
auto widget = (const GridWidget *)widgetCursor.widget;
const Widget *childWidget = static_cast<const Widget *>(widget->itemWidget);
widgetCursor.widget = childWidget;
auto savedX = widgetCursor.x;
auto savedY = widgetCursor.y;
auto savedCursor = widgetCursor.cursor;
int xOffset = 0;
int yOffset = 0;
Value oldValue;
auto width = widgetCursor.w;
auto height = widgetCursor.h;
for (int index = startPosition; index < count; ++index) {
select(widgetCursor, widget->data, index, oldValue);
widgetCursor.x = savedX + xOffset;
widgetCursor.y = savedY + yOffset;
widgetCursor.w = childWidget->width;
widgetCursor.h = childWidget->height;
widgetCursor.pushIterator(index);
enumWidget();
widgetCursor.popIterator();
if (widget->gridFlow == GRID_FLOW_ROW) {
xOffset += childWidget->width;
if (xOffset + childWidget->width > width) {
yOffset += childWidget->height;
if (yOffset + childWidget->height > height) {
break;
}
xOffset = 0;
}
} else {
yOffset += childWidget->height;
if (yOffset + childWidget->height > height) {
xOffset += childWidget->width;
if (xOffset + childWidget->width > width) {
break;
}
yOffset = 0;
}
}
}
deselect(widgetCursor, widget->data, oldValue);
widgetCursor.widget = widget;
widgetCursor.x = savedX;
widgetCursor.y = savedY;
widgetCursor.cursor = savedCursor;
}
}
} // namespace gui
} // namespace eez