static void createGUI(lua_State *L)
{
window *w = malloc(sizeof(window));
windowInit(w, "main", 300, 400);
widgetReposition(WIDGET(w), 50, 50);
widgetShow(WIDGET(w));
// GL stuff
widgetEnableGL(WIDGET(w));
WIDGET(w)->vtbl->doDraw = paintWithGL;
widgetAddTimerEventHandler(WIDGET(w), EVT_TIMER_SINGLE_SHOT, 3000,
timer, NULL, NULL);
}
void widgetResizeImpl(widget *self, int w, int h)
{
const size minSize = widgetGetMinSize(self);
const size maxSize = widgetGetMaxSize(self);
// Create an event
eventResize evtResize;
evtResize.event = widgetCreateEvent(EVT_RESIZE);
// Save the current size in the event
evtResize.oldSize = self->size;
assert(minSize.x <= w);
assert(minSize.y <= h);
assert(w <= maxSize.x);
assert(h <= maxSize.y);
self->size.x = w;
self->size.y = h;
// Re-create the cairo context at this new size
widgetCairoCreate(&self->cr, CAIRO_FORMAT_ARGB32, w, h);
// If a mask is enabled; re-create it also
if (self->maskEnabled)
{
widgetCairoCreate(&self->maskCr, CAIRO_FORMAT_A1, w, h);
// Re-draw the mask (only done on resize)
widgetDrawMask(self);
}
// If OpenGL is enabled disable and re-enable it
if (self->openGLEnabled)
{
widgetDisableGL(self);
widgetEnableGL(self);
}
// Set the needs redraw flag
self->needsRedraw = true;
// If we have any children, we need to redo their layout
if (vectorSize(self->children))
{
widgetDoLayout(self);
}
// Fire any EVT_RESIZE callbacks
widgetFireCallbacks(self, (event *) &evtResize);
}
