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Rage hacking on TerminalWidget.

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There's some really hideous plumbing with globals going on here, but my
priority right now is getting a basic VT100 terminal emulator working.
This commit is contained in:
Andreas Kling 2018-10-11 12:33:03 +02:00
parent f282df6617
commit ab5266b924
8 changed files with 136 additions and 15 deletions
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34
Widgets/EventLoopSDL.cpp
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@ -3,6 +3,11 @@
#include <SDL.h>
#include "AbstractScreen.h"
#include "Widget.h"
#include "TerminalWidget.h"
#include <unistd.h>
int g_fd;
extern TerminalWidget* g_tw;
EventLoopSDL::EventLoopSDL()
{
@ -14,7 +19,6 @@ EventLoopSDL::~EventLoopSDL()
static inline MouseButton toMouseButton(byte sdlButton)
{
printf("sdlbutton = %u\n", sdlButton);
if (sdlButton == 1)
return MouseButton::Left;
if (sdlButton == 2)
@ -25,10 +29,15 @@ static inline MouseButton toMouseButton(byte sdlButton)
return MouseButton::None;
}
static inline int toKey(const SDL_Keysym& sym)
{
return sym.sym;
}
void EventLoopSDL::waitForEvent()
{
SDL_Event sdlEvent;
while (SDL_WaitEvent(&sdlEvent) != 0) {
while (SDL_PollEvent(&sdlEvent) != 0) {
switch (sdlEvent.type) {
case SDL_QUIT:
postEvent(nullptr, make<QuitEvent>());
@ -49,7 +58,28 @@ void EventLoopSDL::waitForEvent()
case SDL_MOUSEBUTTONUP:
postEvent(&AbstractScreen::the(), make<MouseEvent>(Event::MouseUp, sdlEvent.button.x, sdlEvent.button.y, toMouseButton(sdlEvent.button.button)));
return;
case SDL_KEYDOWN:
postEvent(&AbstractScreen::the(), make<KeyEvent>(Event::KeyDown, toKey(sdlEvent.key.keysym)));
return;
case SDL_KEYUP:
postEvent(&AbstractScreen::the(), make<KeyEvent>(Event::KeyUp, toKey(sdlEvent.key.keysym)));
return;
}
}
fd_set rfds;
FD_ZERO(&rfds);
FD_SET(g_fd, &rfds);
struct timeval tv = { 0, 5000 };
int rc = select(g_fd + 1, &rfds, NULL, NULL, &tv);
//printf("select{%d} = %d\n", g_fd, rc);
if (rc > 0) {
byte buf[1024];
int nread = read(g_fd, buf, sizeof(buf));
g_tw->onReceive(ByteBuffer::wrap(buf, nread));
}
}