Refactor in a good state
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IlyaShurupov
Ilya Shurupov
parent
4b6e7da994
commit
164359f6aa
21 changed files with 606 additions and 105 deletions
324
WidgetsNew/private/DockLayoutWidget.cpp
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324
WidgetsNew/private/DockLayoutWidget.cpp
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#include "DockLayoutWidget.hpp"
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using namespace tp;
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DockLayoutWidget::DockLayoutWidget() {
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mSideWidgets[0].side = LEFT;
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mSideWidgets[1].side = TOP;
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mSideWidgets[2].side = RIGHT;
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mSideWidgets[3].side = BOTTOM;
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}
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void DockLayoutWidget::process(const EventHandler& events) {
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// calculateHeaderAreas();
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// handlePreview(events);
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handleResizeEvents(events);
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calculateSideAreas();
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calculateResizeHandles();
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updateChildSideWidgets();
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}
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void DockLayoutWidget::draw(Canvas& canvas) {
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canvas.rect(getRelativeArea(), mBackgroundColor, 0);
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}
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void DockLayoutWidget::drawOverlay(Canvas& canvas) {
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for (auto& sideWidget : mSideWidgets) {
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if (!isSideVisible(sideWidget.side)) continue;
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auto& handle = sideWidget.resizeHandle;
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if (handle.active) {
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canvas.rect(handle.area.shrink(mPadding / 1.5f), mResizeHandleColorActive, 0);
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} else if (handle.hover) {
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canvas.rect(handle.area.shrink(mPadding / 1.5f), mResizeHandleColorHovered, 0);
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}
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}
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for (auto& sideWidget : mSideWidgets) {
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if (!isSideVisible(sideWidget.side)) continue;
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canvas.rect(sideWidget.headerArea, mResizeHandleColorActive, 0);
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}
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if (mPreview) {
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if (mPreviewSide != NONE) canvas.rect(mPreviewArea.shrink(mPadding * 2), mPreviewColor, mRounding);
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for (auto& sideWidget : mSideWidgets) {
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if (sideWidget.widget) continue;
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canvas.rect(sideWidget.previewHandleArea, mPreviewColor, mRounding);
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}
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}
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}
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bool DockLayoutWidget::propagateEventsToChildren() const {
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return !mResizing;
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}
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bool DockLayoutWidget::needsNextFrame() const {
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return Widget::needsNextFrame() || mResizing;
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}
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void DockLayoutWidget::setCenterWidget(Widget* widget) {
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mCenterWidget = widget;
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addChild(widget);
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}
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void DockLayoutWidget::dockWidget(Widget* widget, Side side) {
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DEBUG_ASSERT(!sideExists(side))
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addChild(widget);
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auto& sideWidget = mSideWidgets[side];
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sideWidget.widget = widget;
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for (auto& order : mSideWidgets) {
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if (order.order == -1) {
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order.order = side;
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break;
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}
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}
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sideWidget.hidden = false;
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}
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void DockLayoutWidget::undockWidget(Side side) {
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DEBUG_ASSERT(sideExists(side))
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bool removed = false;
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for (ualni i = 0; i < 3; i++) {
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if (mSideWidgets[i].order == side) {
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removed = true;
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}
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if (removed) {
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swap(mSideWidgets[i].order, mSideWidgets[i + 1].order);
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}
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}
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mSideWidgets[3].order = -1;
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mSideWidgets[side].widget = nullptr;
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}
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void DockLayoutWidget::toggleWidgetVisibility(Side side) {
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DEBUG_ASSERT(sideExists(side))
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mSideWidgets[side].hidden = !mSideWidgets[side].hidden;
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}
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void DockLayoutWidget::calculateSideAreas() {
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auto startArea = getRelativeArea();
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for (auto& sideWidget : mSideWidgets) {
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const auto side = sideWidget.order;
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if (side == -1) break;
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if (!isSideVisible(Side(side))) continue;
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bool vertical = side == TOP || side == BOTTOM;
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bool opposite = side == BOTTOM || side == RIGHT;
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auto& sideSize = mSideWidgets[side].absoluteSize;
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auto factor = sideSize / startArea.size[vertical];
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if (opposite) factor = factor * -1 + 1;
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auto& area = mSideWidgets[side].area;
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if (!vertical) {
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const auto first = startArea.splitByFactorHL(factor);
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const auto second = startArea.splitByFactorHR(factor);
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area = side == LEFT ? first : second;
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startArea = side == LEFT ? second : first;
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} else {
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const auto first = startArea.splitByFactorVT(factor);
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const auto second = startArea.splitByFactorVB(factor);
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area = side == TOP ? first : second;
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startArea = side == TOP ? second : first;
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}
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area = area.shrink(mPadding);
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}
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mCenterArea = startArea.shrink(mPadding);
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}
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void DockLayoutWidget::calculateResizeHandles() {
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RectF rec;
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RectF area = getRelativeArea();
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for (auto& sideWidget : mSideWidgets) {
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auto& sideSize = sideWidget.absoluteSize;
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auto& resizeHandle = sideWidget.resizeHandle;
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if (resizeHandle.end < mSideSizePadding * 2) {
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sideSize = resizeHandle.end / 2.f;
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} else {
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sideSize = clamp(sideSize, resizeHandle.start + mSideSizePadding, resizeHandle.end - mSideSizePadding);
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}
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}
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if (isSideVisible(LEFT)) {
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auto& side = mSideWidgets[LEFT];
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rec = { side.area.p4(), { mPadding * 2, side.area.size.y } };
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side.resizeHandle.area = rec;
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side.resizeHandle.start = 0;
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side.resizeHandle.end = mCenterArea.p3().x;
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}
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if (isSideVisible(RIGHT)) {
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auto& side = mSideWidgets[RIGHT];
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rec = { side.area.p1(), { mPadding * 2, side.area.size.y } };
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rec.x -= mPadding * 2;
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side.resizeHandle.area = rec;
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side.resizeHandle.start = 0;
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side.resizeHandle.end = (area.p3() - mCenterArea.p1()).x;
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}
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if (isSideVisible(TOP)) {
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auto& side = mSideWidgets[TOP];
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rec = { side.area.p2(), { side.area.size.x, mPadding * 2 } };
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side.resizeHandle.area = rec;
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side.resizeHandle.start = 0;
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side.resizeHandle.end = mCenterArea.p2().y;
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}
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if (isSideVisible(BOTTOM)) {
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auto& side = mSideWidgets[BOTTOM];
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rec = { side.area.p1(), { side.area.size.x, mPadding * 2 } };
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rec.y -= mPadding * 2;
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side.resizeHandle.area = rec;
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side.resizeHandle.start = 0;
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side.resizeHandle.end = (area.p3() - mCenterArea.p1()).y;
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}
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}
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void DockLayoutWidget::handleResizeEvents(const EventHandler& events) {
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auto pointer = events.getPointer();
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auto pointerDelta = events.getPointerDelta();
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// check triggers
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if (events.isReleased(InputID::MOUSE1)) {
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for (auto& sideWidget : mSideWidgets) {
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sideWidget.resizeHandle.active = false;
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}
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mResizing = false;
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} else {
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for (auto& sideWidget : mSideWidgets) {
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sideWidget.resizeHandle.hover = sideWidget.resizeHandle.area.isInside(pointer);
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if (sideWidget.resizeHandle.hover && events.isPressed(InputID::MOUSE1)) {
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sideWidget.resizeHandle.active = true;
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mResizing = true;
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triggerWidgetUpdate();
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}
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}
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}
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// do the resizing
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for (auto& sideWidget : mSideWidgets) {
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if (!sideWidget.resizeHandle.active) continue;
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halnf delta = pointerDelta[(sideWidget.side == TOP || sideWidget.side == BOTTOM)];
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if (sideWidget.side == BOTTOM || sideWidget.side == RIGHT) {
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delta *= -1;
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}
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sideWidget.absoluteSize += delta;
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}
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}
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void DockLayoutWidget::updateChildSideWidgets() {
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// Update Child Widgets
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{
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for (ualni i = 0; i < 4; i++) {
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if (!sideExists(Side(i))) continue;
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auto widget = mSideWidgets[i].widget;
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if (!isSideVisible(Side(i))) {
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// widget->mEnable = false;
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} else {
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widget->setArea(mSideWidgets[i].area);
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// widget->mEnable = true;
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}
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}
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if (mCenterWidget) mCenterWidget->setArea(mCenterArea);
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}
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// update depth order
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/*
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if (mChildWidgets.size() > 1) {
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for (auto sideChild : mSideWidgets) {
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if (!sideChild) continue;
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for (auto childNode = mChildWidgets.firstNode(); childNode; childNode = childNode->next) {
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if (childNode->data == sideChild) {
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mChildWidgets.detach(childNode);
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mChildWidgets.pushBack(childNode);
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break;
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}
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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 DockLayoutWidget::calculateHeaderAreas() {
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for (ualni i = 0; i < 4; i++) {
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if (!isSideVisible(Side(i))) continue;
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auto& area = mSideWidgets[i].area;
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const auto factor = mHeaderSize / area.size.y;
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mSideWidgets[i].headerArea = area.splitByFactorVT(factor);
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area = area.splitByFactorVB(factor);
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mSideWidgets[i].headerArea.size.y -= mPadding;
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}
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}
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bool DockLayoutWidget::isSideVisible(DockLayoutWidget::Side side) {
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return sideExists(side) && !mSideWidgets[side].hidden;
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}
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bool DockLayoutWidget::sideExists(DockLayoutWidget::Side side) { return mSideWidgets[side].widget; }
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ualni DockLayoutWidget::getVisibleSidesSize() {
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ualni out = 0;
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for (ualni i = 0; i < 4; i++) {
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if (isSideVisible(Side(i))) out++;
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}
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return out;
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}
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void DockLayoutWidget::handlePreview(const EventHandler& events) {
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if (!mPreview) {
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mPreviewSide = NONE;
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return;
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}
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const halnf factor = 0.3;
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const halnf handleFactor = 0.1;
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const auto handleSize = min(mCenterArea.size.x, mCenterArea.size.y) * handleFactor;
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for (auto& sideWidget : mSideWidgets) {
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if (sideWidget.widget) continue;
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switch (sideWidget.side) {
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case TOP: sideWidget.area = mCenterArea.splitByFactorVT(factor); break;
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case BOTTOM: sideWidget.area = mCenterArea.splitByFactorVB(1 - factor); break;
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case LEFT: sideWidget.area = mCenterArea.splitByFactorHL(factor); break;
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case RIGHT: sideWidget.area = mCenterArea.splitByFactorHR(1 - factor); break;
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default: break;
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}
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sideWidget.area = sideWidget.area.shrink(mPadding * 2);
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sideWidget.previewHandleArea = sideWidget.area.getSizedFromCenter({ handleSize, handleSize });
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}
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mPreviewArea = {};
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mPreviewSide = NONE;
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for (auto& sideWidget : mSideWidgets) {
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if (sideWidget.widget) continue;
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if (sideWidget.previewHandleArea.isInside(events.getPointer())) {
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mPreviewArea = sideWidget.area;
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mPreviewSide = sideWidget.side;
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}
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}
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}
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