43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
// overflow_menu — pure implementation. See overflow_menu.h. NO REAPER / SWELL / LICE / vendor.
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#include "core/ui/overflow_menu.h"
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namespace reasampler::ui {
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int menuButtonReserve(const MenuBarRect& bar, const MenuButtonSpec& spec) {
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if (bar.width <= 0 || bar.height <= 0 || spec.buttonWidth <= 0) return 0;
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// The reserve is the button width plus a right gap (rightInset) and a matching left gap
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// (also rightInset) so the frequent buttons have breathing room before the menu button.
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return spec.buttonWidth + 2 * spec.rightInset;
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}
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MenuButtonRect computeMenuButton(const MenuBarRect& bar, const MenuButtonSpec& spec) {
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MenuButtonRect btn;
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if (bar.width <= 0 || bar.height <= 0 || spec.buttonWidth <= 0) return btn;
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const int right = bar.x + bar.width - spec.rightInset;
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const int left = right - spec.buttonWidth;
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if (left < bar.x + spec.minLeftInset) return btn; // too narrow — suppress
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int top = bar.y + spec.verticalInset;
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int height = bar.height - 2 * spec.verticalInset;
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if (height <= 0) { // thin band: clamp to the band's own extents rather than go negative
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top = bar.y;
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height = bar.height;
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}
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btn.x = left;
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btn.y = top;
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btn.width = spec.buttonWidth;
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btn.height = height;
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return btn;
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}
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bool hitTestMenuButton(int px, int py, const MenuButtonRect& button) {
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if (button.empty()) return false;
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return px >= button.x && px < button.x + button.width &&
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py >= button.y && py < button.y + button.height;
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}
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} // namespace reasampler::ui
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