51 行
1.6 KiB
C++
51 行
1.6 KiB
C++
#if defined(Hiro_HorizontalResizeGrip)
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mHorizontalResizeGrip::mHorizontalResizeGrip() {
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image icon;
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icon.allocate(5, 15);
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for(u32 y : range(icon.height())) {
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auto data = icon.data() + y * icon.pitch();
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icon.write(data, 0x00000000); data += icon.stride();
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icon.write(data, 0xff9f9f9f); data += icon.stride();
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icon.write(data, 0x00000000); data += icon.stride();
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icon.write(data, 0xff9f9f9f); data += icon.stride();
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icon.write(data, 0x00000000); data += icon.stride();
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}
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mCanvas::setIcon(icon);
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mCanvas::setMouseCursor(MouseCursor::HorizontalResize);
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mCanvas::onMousePress([&](auto button) {
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if(button == Mouse::Button::Left && !state.timer.enabled()) {
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doActivate();
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state.offset = 0;
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state.origin = Mouse::position();
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state.timer.setEnabled();
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}
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});
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state.timer.setInterval(10).onActivate([&] {
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if(!Mouse::pressed(Mouse::Button::Left)) return (void)state.timer.setEnabled(false);
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auto position = Mouse::position();
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auto offset = position.x() - state.origin.x();
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if(offset != state.offset) doResize(offset), offset = state.offset;
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});
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}
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auto mHorizontalResizeGrip::doActivate() const -> void {
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if(state.onActivate) state.onActivate();
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}
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auto mHorizontalResizeGrip::doResize(s32 offset) const -> void {
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if(state.onResize) state.onResize(offset);
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}
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auto mHorizontalResizeGrip::onActivate(const function<void ()>& callback) -> type& {
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state.onActivate = callback;
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return *this;
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}
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auto mHorizontalResizeGrip::onResize(const function<void (s32)>& callback) -> type& {
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state.onResize = callback;
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return *this;
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}
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#endif
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