78 lines
1.7 KiB
C++
78 lines
1.7 KiB
C++
#include <SDL2/SDL_assert.h>
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#include <SDL2/SDL_events.h>
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#include <basic_widgets/w/base/widget.hpp>
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#include <basic_widgets/w/feat/keyboard_handler.hpp>
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#include <basic_widgets/w/feat/mouse_handler.hpp>
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using namespace bwidgets;
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auto Widget::handle_event(const SDL_Event& ev) -> Widget*
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{
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if (auto* handler = dynamic_cast<KeyboardHandler*>(this); handler) {
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switch (ev.type) {
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case SDL_KEYDOWN:
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case SDL_KEYUP:
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handler->handle_keyboard(ev.key);
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break;
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case SDL_TEXTINPUT:
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handler->handle_keyboard(ev.text);
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break;
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}
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}
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if (auto* handler = dynamic_cast<MouseHandler*>(this); handler) {
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switch (ev.type) {
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case SDL_MOUSEBUTTONDOWN:
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case SDL_MOUSEBUTTONUP:
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handler->handle_mouse(ev.button, _viewport);
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break;
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case SDL_MOUSEMOTION:
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handler->handle_mouse(ev.motion, _viewport);
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break;
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}
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}
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return this;
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}
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auto Widget::render() -> Widget*
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{
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if (_renderer == nullptr) return this;
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#ifndef _NDEBUG
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_renderer
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->draw_color({
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// NOLINTNEXTLINE(readability-magic-numbers)
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{0, 255, 0, SDL_ALPHA_TRANSPARENT}
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})
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->draw_rect(nullptr);
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#endif
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_renderer->viewport(_viewport);
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_handle_rendering();
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return this;
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}
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auto Widget::renderer(Renderer* r) -> Widget*
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{
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if (r != _renderer) {
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_handle_renderer_change(r);
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_renderer = r;
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}
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return this;
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}
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auto Widget::viewport(const SDL_Rect& vp) -> Widget*
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{
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_handle_geometry_change(vp);
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_viewport = vp;
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return this;
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}
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auto Widget::viewport() const -> const SDL_Rect&
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{
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return _viewport;
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}
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