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Merge EventLoopSDL into EventLoop.

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This commit is contained in:
Andreas Kling 2019-01-10 05:28:37 +01:00
parent 3e908abfca
commit f603c17136
7 changed files with 122 additions and 147 deletions
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106
Widgets/EventLoop.cpp
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@ -1,6 +1,7 @@
#include "EventLoop.h"
#include "Event.h"
#include "Object.h"
#include "WindowManager.h"
static EventLoop* s_mainEventLoop;
@ -50,3 +51,108 @@ void EventLoop::postEvent(Object* receiver, OwnPtr<Event>&& event)
m_queuedEvents.append({ receiver, std::move(event) });
}
#ifdef USE_SDL
static inline MouseButton toMouseButton(byte sdlButton)
{
if (sdlButton == 1)
return MouseButton::Left;
if (sdlButton == 2)
return MouseButton::Middle;
if (sdlButton == 3)
return MouseButton::Right;
ASSERT_NOT_REACHED();
return MouseButton::None;
}
void EventLoop::handleKeyEvent(Event::Type type, const SDL_KeyboardEvent& sdlKey)
{
auto keyEvent = make<KeyEvent>(type, 0);
int key = 0;
switch (sdlKey.keysym.sym) {
case SDLK_LEFT: key = KeyboardKey::LeftArrow; break;
case SDLK_RIGHT: key = KeyboardKey::RightArrow; break;
case SDLK_UP: key = KeyboardKey::UpArrow; break;
case SDLK_DOWN: key = KeyboardKey::DownArrow; break;
case SDLK_BACKSPACE: key = KeyboardKey::Backspace; break;
case SDLK_RETURN: key = KeyboardKey::Return; break;
}
keyEvent->m_key = key;
if (sdlKey.keysym.sym > SDLK_UNKNOWN && sdlKey.keysym.sym <= 'z') {
char buf[] = { 0, 0 };
char& ch = buf[0];
ch = (char)sdlKey.keysym.sym;
if (sdlKey.keysym.mod & KMOD_SHIFT) {
if (ch >= 'a' && ch <= 'z') {
ch &= ~0x20;
} else {
switch (ch) {
case '1': ch = '!'; break;
case '2': ch = '@'; break;
case '3': ch = '#'; break;
case '4': ch = '$'; break;
case '5': ch = '%'; break;
case '6': ch = '^'; break;
case '7': ch = '&'; break;
case '8': ch = '*'; break;
case '9': ch = '('; break;
case '0': ch = ')'; break;
case '-': ch = '_'; break;
case '=': ch = '+'; break;
case '`': ch = '~'; break;
case ',': ch = '<'; break;
case '.': ch = '>'; break;
case '/': ch = '?'; break;
case '[': ch = '{'; break;
case ']': ch = '}'; break;
case '\\': ch = '|'; break;
case '\'': ch = '"'; break;
case ';': ch = ':'; break;
}
}
}
keyEvent->m_text = buf;
}
keyEvent->m_shift = sdlKey.keysym.mod & KMOD_SHIFT;
keyEvent->m_ctrl = sdlKey.keysym.mod & KMOD_CTRL;
keyEvent->m_alt = sdlKey.keysym.mod & KMOD_ALT;
postEvent(&WindowManager::the(), std::move(keyEvent));
}
void EventLoop::waitForEvent()
{
SDL_Event sdlEvent;
while (SDL_PollEvent(&sdlEvent) != 0) {
switch (sdlEvent.type) {
case SDL_QUIT:
postEvent(nullptr, make<QuitEvent>());
return;
case SDL_WINDOWEVENT:
if (sdlEvent.window.event == SDL_WINDOWEVENT_EXPOSED) {
// Spam paint events whenever we get exposed.
// This is obviously not ideal, but the SDL backend here is just a prototype anyway.
postEvent(&WindowManager::the(), make<PaintEvent>());
}
return;
case SDL_MOUSEMOTION:
postEvent(&WindowManager::the(), make<MouseEvent>(Event::MouseMove, sdlEvent.motion.x, sdlEvent.motion.y));
return;
case SDL_MOUSEBUTTONDOWN:
postEvent(&WindowManager::the(), make<MouseEvent>(Event::MouseDown, sdlEvent.button.x, sdlEvent.button.y, toMouseButton(sdlEvent.button.button)));
return;
case SDL_MOUSEBUTTONUP:
postEvent(&WindowManager::the(), make<MouseEvent>(Event::MouseUp, sdlEvent.button.x, sdlEvent.button.y, toMouseButton(sdlEvent.button.button)));
return;
case SDL_KEYDOWN:
handleKeyEvent(Event::KeyDown, sdlEvent.key);
return;
case SDL_KEYUP:
handleKeyEvent(Event::KeyUp, sdlEvent.key);
return;
}
}
}
#endif