void ExpandTree::pack(const pixel2& pos, const pixel2& dims,
const double2& dpmm, double pixelRatio, bool clamp) {
update(AlloyApplicationContext().get());
drawRegion->dimensions = CoordPX(
aly::max(getBounds().dimensions,
root.getBounds().dimensions
+ pixel2(Composite::scrollBarSize)));
Composite::pack(pos, dims, dpmm, pixelRatio, clamp);
}
std::shared_ptr<Composite>& AlloyContext::getGlassPane() {
if (glassPane.get() == nullptr) {
glassPane = std::shared_ptr<Composite>(
new Composite("Glass Pane", CoordPX(0, 0),
CoordPercent(1.0f, 1.0f)));
glassPane->backgroundColor = MakeColor(
theme.DARKEST.toSemiTransparent(0.5f));
}
return glassPane;
}
ExpandTree::ExpandTree(const std::string& name, const AUnit2D& pos,
const AUnit2D& dims) :
Composite(name, pos, dims), selectedItem(nullptr), dirty(true) {
setScrollEnabled(true);
setAlwaysShowVerticalScrollBar(true);
drawRegion = DrawPtr(
new Draw("Tree Region", CoordPX(0.0f, 0.0f),
CoordPercent(1.0f, 1.0f)));
drawRegion->onDraw = [this](AlloyContext* context, const box2px& bounds) {
root.draw(this, context, bounds.position);
};
drawRegion->onMouseOver =
[this](AlloyContext* context, const InputEvent& e) {
box2px box = drawRegion->getBounds();
overArrow = false;
selectedItem = root.locate(context, e.cursor - box.position,overArrow);
return false;
};
drawRegion->onMouseDown =
[this](AlloyContext* context, const InputEvent& e) {
if (e.button == GLFW_MOUSE_BUTTON_LEFT) {
if (selectedItem != nullptr) {
if ((isOverArrow()|| !selectedItem->onSelect)&&(selectedItem->onExpand || selectedItem->hasChildren())) {
selectedItem->setExpanded(!selectedItem->isExpanded());
}
else {
if (selectedItem->onSelect) {
selectedItem->onSelect(selectedItem, e);
}
}
setDirty(true);
update(context);
return true;
}
}
return false;
};
Composite::add(drawRegion);
}
void Application::run(int swapInterval) {
const double POLL_INTERVAL_SEC = 0.5f;
context->makeCurrent();
if (!init(rootRegion)) {
throw std::runtime_error("Error occurred in application init()");
}
rootRegion.add(getContext()->getGlassPane());
if (showDebugIcon) {
GlyphRegionPtr debug = MakeGlyphRegion(
createAwesomeGlyph(0xf188, FontStyle::Outline, 20),
CoordPercent(1.0f, 1.0f), CoordPX(20, 20), RGBA(0, 0, 0, 0),
RGBA(64, 64, 64, 128), RGBA(192, 192, 192, 128), UnitPX(0));
debug->setOrigin(Origin::BottomRight);
debug->onMouseDown =
[this,debug](AlloyContext* context,const InputEvent& e) {
if(e.button==GLFW_MOUSE_BUTTON_LEFT) {
context->toggleDebug();
debug->foregroundColor=context->isDebugEnabled()?MakeColor(255,64,64,255):MakeColor(64,64,64,128);
context->setMouseFocusObject(nullptr);
return true;
}
return false;
};
rootRegion.add(debug);
}
//First pack triggers computation of aspect ratios for components.
rootRegion.pack(context.get());
context->getGlassPane()->setVisible(false);
context->requestPack();
glfwSwapInterval(swapInterval);
glfwSetTime(0);
uint64_t frameCounter = 0;
std::chrono::steady_clock::time_point endTime;
std::chrono::steady_clock::time_point lastFpsTime =
std::chrono::steady_clock::now();
if (!forceClose) {
glfwShowWindow(context->window);
} else {
context->executeDeferredTasks();
context->dirtyUI = true;
context->dirtyLayout = true;
draw();
context->dirtyUI = true;
context->dirtyLayout = true;
context->update(rootRegion);
}
do {
//Events could have modified layout! Pack before draw to make sure things are correctly positioned.
if (context->dirtyLayout) {
context->dirtyLayout = false;
context->dirtyCursorLocator = true;
rootRegion.pack();
}
draw();
context->update(rootRegion);
double elapsed =
std::chrono::duration<double>(endTime - lastFpsTime).count();
frameCounter++;
if (elapsed > POLL_INTERVAL_SEC) {
frameRate = (float) (frameCounter / elapsed);
lastFpsTime = endTime;
frameCounter = 0;
}
glfwSwapBuffers(context->window);
glfwPollEvents();
for (std::exception_ptr e : caughtExceptions) {
std::rethrow_exception(e);
}
if (glfwWindowShouldClose(context->offscreenWindow)) {
context->setOffScreenVisible(false);
}
} while (!glfwWindowShouldClose(context->window) && !forceClose);
}
