You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

132 lines
3.7 KiB

/*
* EEZ Generic Firmware
* Copyright (C) 2018-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 <stdio.h>
#include <eez/core/debug.h>
#include <eez/core/os.h>
#include <eez/gui/gui.h>
#include <eez/gui/widgets/containers/app_view.h>
namespace eez {
namespace gui {
static bool g_refreshScreen;
static Widget *g_rootWidget;
WidgetState *g_widgetStateStart;
WidgetState *g_widgetStateEnd;
bool g_widgetStateStructureChanged;
WidgetCursor g_widgetCursor;
void refreshScreen() {
g_refreshScreen = true;
}
void updateScreen() {
if (!g_rootWidget) {
static AppViewWidget g_rootAppViewWidget;
g_rootWidget = &g_rootAppViewWidget;
g_rootWidget->type = WIDGET_TYPE_APP_VIEW;
g_rootWidget->data = DATA_ID_NONE;
g_rootWidget->action = ACTION_ID_NONE;
g_rootWidget->x = 0;
g_rootWidget->y = 0;
g_rootWidget->width = display::getDisplayWidth();
g_rootWidget->height = display::getDisplayHeight();
g_rootWidget->style = 0;
}
if (g_refreshScreen) {
g_refreshScreen = false;
if (g_widgetStateStart) {
// invalidate widget states
freeWidgetStates(g_widgetStateStart);
g_widgetStateStart = nullptr;
}
// auto bufferIndex = display::beginBufferRendering();
// display::setColor(0, 0, 0);
// display::fillRect(0, 0, display::getDisplayWidth(), display::getDisplayHeight());
// display::endBufferRendering(bufferIndex, 0, 0, display::getDisplayWidth(), display::getDisplayHeight(), false, 255, 0, 0, nullptr);
}
bool hasPreviousState = g_widgetStateStart != nullptr;
g_widgetStateStart = (WidgetState *)GUI_STATE_BUFFER;
g_isActiveWidget = false;
g_widgetCursor = WidgetCursor();
g_widgetCursor.assets = g_mainAssets;
g_widgetCursor.appContext = getRootAppContext();
g_widgetCursor.widget = g_rootWidget;
g_widgetCursor.currentState = g_widgetStateStart;
g_widgetCursor.refreshed = !hasPreviousState;
g_widgetCursor.hasPreviousState = hasPreviousState;
g_foundWidgetAtDownInvalid = false;
g_widgetCursor.x = 0;
g_widgetCursor.y = 0;
g_widgetCursor.w = g_rootWidget->width;
g_widgetCursor.h = g_rootWidget->height;
if (g_mainAssets->assetsType != ASSETS_TYPE_DASHBOARD) {
enumWidget();
}
g_widgetStateEnd = g_widgetCursor.currentState;
g_widgetStateStructureChanged = !g_widgetCursor.hasPreviousState;
if (g_foundWidgetAtDownInvalid) {
WidgetCursor widgetCursor;
setFoundWidgetAtDown(widgetCursor);
}
}
void enumRootWidget() {
if (!g_widgetStateStart || g_refreshScreen) {
return;
}
g_isActiveWidget = false;
g_widgetCursor = WidgetCursor();
g_widgetCursor.assets = g_mainAssets;
g_widgetCursor.appContext = getRootAppContext();
g_widgetCursor.widget = g_rootWidget;
g_widgetCursor.currentState = g_widgetStateStart;
g_widgetCursor.refreshed = false;
g_widgetCursor.hasPreviousState = true;
g_widgetCursor.x = 0;
g_widgetCursor.y = 0;
g_widgetCursor.w = g_rootWidget->width;
g_widgetCursor.h = g_rootWidget->height;
enumWidget();
}
} // namespace gui
} // namespace eez