Fix sizing issues and others
This commit is contained in:
IlyaShurupov
parent
b2c393d23a
commit
e9a4801d9e
12 changed files with 325 additions and 142 deletions
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@ -12,15 +12,15 @@ void RootWidget::setRootWidget(Widget* widget) {
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}
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void RootWidget::processFrame(EventHandler* events, const RectF& screenArea) {
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mScreenArea = screenArea;
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if (mDebug) {
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events->setEnableKeyEvents(true);
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mScreenArea.size -= { 400, 0 };
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if (events->isPressed(InputID::K)) mDebugStopProcessing = !mDebugStopProcessing;
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if (mDebugStopProcessing) return;
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}
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mScreenArea = screenArea;
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mRoot->setArea(screenArea);
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mRoot->setArea(mScreenArea);
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// construct hierarchy tree of widgets to process
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updateTreeToProcess();
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@ -31,24 +31,37 @@ void RootWidget::processFrame(EventHandler* events, const RectF& screenArea) {
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updateAnimations(root);
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// update all events and call all event processing callbacks
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EventHandler dummyEvents;
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events->setEnableKeyEvents(true);
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events->setCursorOrigin({ 0, 0 });
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processFocusItems(*events);
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processActiveTree(root, dummyEvents);
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events->setEnableKeyEvents(false);
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events->setCursorOrigin({ 0, 0 });
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processActiveTree(root, *events, { 0, 0 });
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updateAreaCache(root, true);
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// update widget sizes base on individual size policies
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adjustSizes(root);
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updateAreaCache(root, false);
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// trigger some widgets by moise pointer
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handleFocusChanges(*events);
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// check triggered widgets for removal
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erase_if(mTriggeredWidgets, [this](auto widget) {
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// check triggered widgets for removal
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erase_if(mTriggeredWidgets, [](auto iter) {
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auto widget = iter.first;
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auto flag = iter.second;
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if (!flag) return false;
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// if (mWidgetsToProcess.find(widget) == mWidgetsToProcess.end()) return false;
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widget->updateAnimations();
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if (mWidgetsToProcess.find(widget) == mWidgetsToProcess.end()) return false;
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auto end = !widget->needsNextFrame();
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if (end) {
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widget->endAnimations();
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widget->mTriggerReason = "del";
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}
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return end;
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});
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@ -56,6 +69,40 @@ void RootWidget::processFrame(EventHandler* events, const RectF& screenArea) {
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bool RootWidget::needsUpdate() const { return !mTriggeredWidgets.empty() || mDebugRedrawAlways; }
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void RootWidget::debugDrawWidget(Widget* widget) {
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ImGui::PushID(widget);
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if (ImGui::CollapsingHeader(widget->mName.c_str())) {
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ImGui::Text("trigger reason: %s", widget->mTriggerReason.c_str());
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auto area = widget->getAreaT();
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if (ImGui::InputFloat4("rect", &area.x)) {
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widget->setArea(area);
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}
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ImGui::InputFloat2("min size", &widget->mMinSize.x);
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ImGui::InputFloat2("max size", &widget->mMaxSize.x);
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int sizePolicyX = int(widget->mSizePolicy.x);
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int sizePolicyY = int(widget->mSizePolicy.y);
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int layout = int(widget->mLayoutPolicy);
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if (ImGui::Combo("Size Policy X", &sizePolicyX, "Fixed\0Expanding\0Minimal\0")) {
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widget->setSizePolicy(SizePolicy(sizePolicyX), SizePolicy(sizePolicyY));
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}
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if (ImGui::Combo("Size Policy Y", &sizePolicyY, "Fixed\0Expanding\0Minimal\0")) {
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widget->setSizePolicy(SizePolicy(sizePolicyX), SizePolicy(sizePolicyY));
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}
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if (ImGui::Combo("Layout", &layout, "Passive\0Vertical\0Horizontal\0")) {
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widget->setLayoutPolicy(LayoutPolicy(layout));
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}
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}
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ImGui::PopID();
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}
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void RootWidget::drawFrame(Canvas& canvas) {
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// draw from top to bottom
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canvas.rect(mScreenArea, RGBA(0, 0, 0, 1));
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@ -75,43 +122,33 @@ void RootWidget::drawFrame(Canvas& canvas) {
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ImGui::Checkbox("Stop processing", &mDebugStopProcessing);
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ImGui::Checkbox("Force new frames", &mDebugRedrawAlways);
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if (mInFocusWidget) {
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ImGui::Text("Item under cursor %s", mInFocusWidget->mName.c_str());
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if (ImGui::BeginListBox("##empty", { -FLT_MIN, 0 })) {
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for (auto widget = mInFocusWidget; widget && widget != this; widget = widget->mParent) {
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if (ImGui::CollapsingHeader(widget->mName.c_str())) {
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ImGui::InputFloat2("min size", &widget->mMinSize.x);
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ImGui::InputFloat2("max size", &widget->mMaxSize.x);
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int sizePolicyX = int(widget->mSizePolicy.x);
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int sizePolicyY = int(widget->mSizePolicy.y);
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int layout = int(widget->mLayoutPolicy);
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if (ImGui::Combo("Size Policy X", &sizePolicyX, "Passive\0Expand\0Contract\0")) {
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widget->setSizePolicy(SizePolicy(sizePolicyX), SizePolicy(sizePolicyY));
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}
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if (ImGui::Combo("Size Policy Y", &sizePolicyY, "Passive\0Expand\0Contract\0")) {
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widget->setSizePolicy(SizePolicy(sizePolicyX), SizePolicy(sizePolicyY));
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}
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if (ImGui::Combo("Layout", &layout, "Passive\0Vertical\0Horizontal\0")) {
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widget->setLayoutPolicy(LayoutPolicy(layout));
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}
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}
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if (ImGui::CollapsingHeader("Triggered")) {
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if (ImGui::BeginListBox("##triggered", { -FLT_MIN, 300 })) {
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for (auto widget : mTriggeredWidgets) {
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debugDrawWidget(widget.first);
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}
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ImGui::EndListBox();
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}
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}
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if (mInFocusWidget) {
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if (ImGui::CollapsingHeader("Under cursor")) {
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if (ImGui::BeginListBox("##under_cursor", { -FLT_MIN, 300 })) {
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for (auto widget = mInFocusWidget; widget && widget != this; widget = widget->mParent) {
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debugDrawWidget(widget);
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}
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ImGui::EndListBox();
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}
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}
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}
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}
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}
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void RootWidget::updateTreeToProcess() {
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mWidgetsToProcess.clear();
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for (auto widget : mTriggeredWidgets) {
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for (auto& [widget, flag] : mTriggeredWidgets) {
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flag = true;
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for (auto iter = widget; iter; iter = iter->mParent) {
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if (iter->mParent) {
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mWidgetsToProcess[iter->mParent].children.insert(&mWidgetsToProcess[iter]);
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@ -139,24 +176,29 @@ void RootWidget::drawRecursion(Canvas& canvas, Widget* active, const Vec2F& pos)
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}
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void RootWidget::drawDebug(Canvas& canvas, Widget* active, const Vec2F& pos, int depthOrder) {
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auto area = RectF{ pos, active->getArea().size };
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auto area = RectF{ pos, active->getAreaT().size };
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if (mWidgetsToProcess.find(active) != mWidgetsToProcess.end()) {
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auto processed = mWidgetsToProcess.find(active) != mWidgetsToProcess.end();
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if (processed) {
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RGBA color = { 1, 0, 0, 1};
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canvas.frame(area, color);
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canvas.text((active->mName + ":" + std::to_string(depthOrder)).c_str(), area, 22, Canvas::Align::LC, 2, color);
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}
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if (processed || active->mInFocus) {
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canvas.circle(pos + active->mLocalPoint, 5, active->mDebugColor);
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canvas.circle(active->mGlobalPoint, 15, active->mDebugColor);
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}
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if (active->mInFocus) {
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RGBA color = { 1, 0, 0, 0.3f};
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canvas.debugCross(area, color);
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canvas.circle(pos + active->mLocalPoint, 5, active->mDebugColor);
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canvas.circle(active->mGlobalPoint, 10, active->mDebugColor);
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}
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int orderIdx = 0;
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for (auto child = active->mDepthOrder.lastNode(); child; child = child->prev) {
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drawDebug(canvas, child->data, pos + child->data->getArea().pos, orderIdx++);
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drawDebug(canvas, child->data, pos + child->data->getAreaT().pos, orderIdx++);
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}
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}
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@ -188,9 +230,12 @@ void RootWidget::getWidgetPath(Widget* widget, std::vector<Widget*>& out) {
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void RootWidget::handleFocusChanges(EventHandler& events) {
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auto prevFocus = mInFocusWidget;
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events.setCursorOrigin({ 0, 0 });
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findFocusWidget(mRoot, &mInFocusWidget, events.getPointer());
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if (mInFocusWidget) updateWidget(mInFocusWidget);
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// if (mInFocusWidget == prevFocus) return;
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if (mInFocusWidget) updateWidget(mInFocusWidget, "focus entered");
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std::vector<Widget*> path2;
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getWidgetPath(mInFocusWidget, path2);
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@ -213,21 +258,21 @@ void RootWidget::handleFocusChanges(EventHandler& events) {
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}
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size_t mostCommonIdx = 0;
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if (!(path1.empty() || path2.empty())) {
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while (path1[mostCommonIdx] == path2[mostCommonIdx]) {
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while (path1[mostCommonIdx] == path2[mostCommonIdx] && mostCommonIdx < min(path1.size(), path2.size())) {
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mostCommonIdx++;
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}
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}
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mostCommonIdx--;
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for (auto i = 0; i < path1.size(); i++) {
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path1[i]->mInFocus = false;
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if (i >= mostCommonIdx && i < propLen1) path1[i]->mouseLeave();
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if (i > mostCommonIdx && i < propLen1) path1[i]->mouseLeave();
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}
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for (auto i = 0; i < path2.size(); i++) {
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path2[i]->mInFocus = true;
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if (i >= mostCommonIdx && i < propLen2) path2[i]->mouseEnter();
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if (i > mostCommonIdx && i < propLen2) path2[i]->mouseEnter();
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}
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}
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@ -241,32 +286,62 @@ void RootWidget::findFocusWidget(Widget* iter, Widget** focus, const Vec2F& poin
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}
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}
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void RootWidget::updateWidget(Widget* widget) {
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mTriggeredWidgets.insert(widget);
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void RootWidget::updateWidget(Widget* widget, const char* reason) {
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DEBUG_ASSERT(reason)
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widget->mTriggerReason = reason;
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mTriggeredWidgets.insert({ widget, false });
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}
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void RootWidget::updateAreaCache(ActiveTreeNode* iter, bool read) {
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if (!iter) return;
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if (read) {
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iter->widget->mAreaCache = iter->widget->getAreaT();
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} else {
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iter->widget->setArea(iter->widget->mAreaCache);
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iter->widget->mArea.updateCurrentRect();
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}
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for (auto child : iter->widget->mChildren) {
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if (read) {
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child->mAreaCache = child->getAreaT();
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} else {
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child->setArea(child->mAreaCache);
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child->mArea.updateCurrentRect();
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}
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}
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for (auto child : iter->children) {
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updateAreaCache(child, read);
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}
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}
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void RootWidget::adjustSizes(ActiveTreeNode* iter) {
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if (!iter) return;
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iter->widget->pickRect();
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for (auto child : iter->children) {
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adjustSizes(child);
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}
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iter->widget->pickRect();
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iter->widget->adjustChildrenRect();
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// iter->widget->pickRect();
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}
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void RootWidget::processActiveTree(ActiveTreeNode* iter, EventHandler& events) {
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void RootWidget::processActiveTree(ActiveTreeNode* iter, EventHandler& events, Vec2F parent) {
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if (!iter) return;
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auto current = parent + iter->widget->getAreaT().pos;
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if (!iter->widget->mInFocus) {
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iter->widget->updateAnimations();
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iter->widget->mGlobalPoint = current;
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events.setCursorOrigin(current);
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iter->widget->process(events);
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}
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for (auto child : iter->children) {
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processActiveTree(child, events);
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processActiveTree(child, events, current);
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}
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}
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@ -290,8 +365,8 @@ void RootWidget::processFocusItems(EventHandler& events) {
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widgetGlobalPos[0] = 0;
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for (auto widget = 0; widget < path.size() - 1; widget++) {
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widgetGlobalPos[widget + 1] = widgetGlobalPos[widget] + path[widget + 1]->getArea().pos;
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path[widget]->mGlobalPoint = widgetGlobalPos[widget];
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widgetGlobalPos[widget + 1] = widgetGlobalPos[widget] + path[widget + 1]->getAreaT().pos;
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// path[widget]->mGlobalPoint = widgetGlobalPos[widget];
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}
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bool eventsProcessed = false;
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@ -301,19 +376,15 @@ void RootWidget::processFocusItems(EventHandler& events) {
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events.setCursorOrigin(widgetGlobalPos[iter]);
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widget->mLocalPoint = events.getPointer();
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widget->mGlobalPoint = widgetGlobalPos[iter];
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if (!eventsProcessed && widget->processesEvents()) {
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events.setEnableKeyEvents(true);
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widget->updateAnimations();
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widget->process(events);
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events.setEnableKeyEvents(false);
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eventsProcessed = true;
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} else {
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widget->updateAnimations();
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widget->process(events);
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}
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}
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