mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-25 09:08:22 -05:00
337 lines
9.4 KiB
C++
337 lines
9.4 KiB
C++
/*
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* Copyright 2011-2013 Branimir Karadzic. All rights reserved.
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* License: http://www.opensource.org/licenses/BSD-2-Clause
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*/
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#include "entry.h"
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#if BX_PLATFORM_LINUX
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#define XK_MISCELLANY
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#define XK_LATIN1
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#include <X11/keysymdef.h>
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#include <bgfxplatform.h>
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#undef None
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#include "entry_p.h"
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#include <bx/thread.h>
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#include <bx/os.h>
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#include <string.h> // memset
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#define DEFAULT_WIDTH 1280
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#define DEFAULT_HEIGHT 720
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namespace entry
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{
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static uint8_t s_translateKey[512];
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static void initTranslateKey(uint16_t _xk, Key::Enum _key)
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{
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_xk += 256;
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BX_CHECK(_xk < BX_COUNTOF(s_translateKey), "Out of bounds %d.", _xk);
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s_translateKey[_xk&0x1ff] = (uint8_t)_key;
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}
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Key::Enum fromXk(uint16_t _xk)
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{
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_xk += 256;
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return 512 > _xk ? (Key::Enum)s_translateKey[_xk] : Key::None;
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}
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struct MainThreadEntry
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{
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int m_argc;
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char** m_argv;
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static int32_t threadFunc(void* _userData);
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};
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struct Context
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{
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Context()
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: m_modifiers(Modifier::None)
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, m_exit(false)
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{
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memset(s_translateKey, 0, sizeof(s_translateKey) );
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initTranslateKey(XK_Escape, Key::Esc);
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initTranslateKey(XK_Return, Key::Return);
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initTranslateKey(XK_Tab, Key::Tab);
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initTranslateKey(XK_BackSpace, Key::Backspace);
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initTranslateKey(XK_space, Key::Space);
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initTranslateKey(XK_Up, Key::Up);
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initTranslateKey(XK_Down, Key::Down);
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initTranslateKey(XK_Left, Key::Left);
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initTranslateKey(XK_Right, Key::Right);
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initTranslateKey(XK_Page_Up, Key::PageUp);
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initTranslateKey(XK_Page_Down, Key::PageUp);
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initTranslateKey(XK_Home, Key::Home);
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initTranslateKey(XK_KP_End, Key::End);
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initTranslateKey(XK_Print, Key::Print);
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initTranslateKey(XK_equal, Key::Plus);
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initTranslateKey(XK_minus, Key::Minus);
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initTranslateKey(XK_F1, Key::F1);
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initTranslateKey(XK_F2, Key::F2);
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initTranslateKey(XK_F3, Key::F3);
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initTranslateKey(XK_F4, Key::F4);
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initTranslateKey(XK_F5, Key::F5);
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initTranslateKey(XK_F6, Key::F6);
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initTranslateKey(XK_F7, Key::F7);
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initTranslateKey(XK_F8, Key::F8);
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initTranslateKey(XK_F9, Key::F9);
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initTranslateKey(XK_F10, Key::F10);
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initTranslateKey(XK_F11, Key::F11);
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initTranslateKey(XK_F12, Key::F12);
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initTranslateKey(XK_KP_Insert, Key::NumPad0);
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initTranslateKey(XK_KP_End, Key::NumPad1);
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initTranslateKey(XK_KP_Down, Key::NumPad2);
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initTranslateKey(XK_KP_Page_Down, Key::NumPad3);
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initTranslateKey(XK_KP_Left, Key::NumPad4);
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initTranslateKey(XK_KP_Begin, Key::NumPad5);
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initTranslateKey(XK_KP_Right, Key::NumPad6);
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initTranslateKey(XK_KP_Home, Key::NumPad7);
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initTranslateKey(XK_KP_Up, Key::NumPad8);
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initTranslateKey(XK_KP_Page_Up, Key::NumPad9);
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initTranslateKey('0', Key::Key0);
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initTranslateKey('1', Key::Key1);
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initTranslateKey('2', Key::Key2);
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initTranslateKey('3', Key::Key3);
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initTranslateKey('4', Key::Key4);
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initTranslateKey('5', Key::Key5);
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initTranslateKey('6', Key::Key6);
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initTranslateKey('7', Key::Key7);
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initTranslateKey('8', Key::Key8);
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initTranslateKey('9', Key::Key9);
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initTranslateKey('a', Key::KeyA);
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initTranslateKey('b', Key::KeyB);
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initTranslateKey('c', Key::KeyC);
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initTranslateKey('d', Key::KeyD);
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initTranslateKey('e', Key::KeyE);
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initTranslateKey('f', Key::KeyF);
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initTranslateKey('g', Key::KeyG);
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initTranslateKey('h', Key::KeyH);
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initTranslateKey('i', Key::KeyI);
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initTranslateKey('j', Key::KeyJ);
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initTranslateKey('k', Key::KeyK);
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initTranslateKey('l', Key::KeyL);
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initTranslateKey('m', Key::KeyM);
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initTranslateKey('n', Key::KeyN);
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initTranslateKey('o', Key::KeyO);
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initTranslateKey('p', Key::KeyP);
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initTranslateKey('q', Key::KeyQ);
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initTranslateKey('r', Key::KeyR);
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initTranslateKey('s', Key::KeyS);
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initTranslateKey('t', Key::KeyT);
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initTranslateKey('u', Key::KeyU);
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initTranslateKey('v', Key::KeyV);
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initTranslateKey('w', Key::KeyW);
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initTranslateKey('x', Key::KeyX);
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initTranslateKey('y', Key::KeyY);
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initTranslateKey('z', Key::KeyZ);
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}
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int32_t run(int _argc, char** _argv)
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{
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XInitThreads();
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m_display = XOpenDisplay(0);
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int32_t screen = DefaultScreen(m_display);
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int32_t depth = DefaultDepth(m_display, screen);
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Visual* visual = DefaultVisual(m_display, screen);
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Window root = RootWindow(m_display, screen);
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XSetWindowAttributes windowAttrs;
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memset(&windowAttrs, 0, sizeof(windowAttrs) );
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windowAttrs.background_pixmap = 0;
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windowAttrs.border_pixel = 0;
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windowAttrs.event_mask = 0
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| ButtonPressMask
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| ButtonReleaseMask
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| ExposureMask
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| KeyPressMask
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| KeyReleaseMask
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| PointerMotionMask
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| ResizeRedirectMask
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| StructureNotifyMask
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;
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m_window = XCreateWindow(m_display
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, root
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, 0, 0
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, DEFAULT_WIDTH, DEFAULT_HEIGHT, 0, depth
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, InputOutput
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, visual
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, CWBorderPixel|CWEventMask
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, &windowAttrs
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);
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XMapWindow(m_display, m_window);
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XStoreName(m_display, m_window, "BGFX");
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bgfx::x11SetDisplayWindow(m_display, m_window);
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MainThreadEntry mte;
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mte.m_argc = _argc;
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mte.m_argv = _argv;
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bx::Thread thread;
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thread.init(mte.threadFunc, &mte);
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while (!m_exit)
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{
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if (XPending(m_display) )
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{
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XEvent event;
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XNextEvent(m_display, &event);
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switch (event.type)
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{
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case Expose:
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break;
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case ConfigureNotify:
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break;
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case ButtonPress:
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case ButtonRelease:
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{
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const XButtonEvent& xbutton = event.xbutton;
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MouseButton::Enum mb;
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switch (xbutton.button)
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{
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case Button1: mb = MouseButton::Left; break;
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case Button2: mb = MouseButton::Middle; break;
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case Button3: mb = MouseButton::Right; break;
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default: mb = MouseButton::None; break;
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}
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if (MouseButton::None != mb)
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{
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m_eventQueue.postMouseEvent(xbutton.x
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, xbutton.y
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, mb
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, event.type == ButtonPress
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);
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}
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}
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break;
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case MotionNotify:
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{
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const XMotionEvent& xmotion = event.xmotion;
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m_eventQueue.postMouseEvent(xmotion.x
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, xmotion.y
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);
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}
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break;
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case KeyPress:
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case KeyRelease:
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{
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XKeyEvent& xkey = event.xkey;
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KeySym keysym = XLookupKeysym(&xkey, 0);
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switch (keysym)
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{
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case XK_Meta_L: setModifier(Modifier::LeftMeta, KeyPress == event.type); break;
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case XK_Meta_R: setModifier(Modifier::RightMeta, KeyPress == event.type); break;
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case XK_Control_L: setModifier(Modifier::LeftCtrl, KeyPress == event.type); break;
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case XK_Control_R: setModifier(Modifier::RightCtrl, KeyPress == event.type); break;
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case XK_Shift_L: setModifier(Modifier::LeftShift, KeyPress == event.type); break;
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case XK_Shift_R: setModifier(Modifier::RightShift, KeyPress == event.type); break;
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case XK_Alt_L: setModifier(Modifier::LeftAlt, KeyPress == event.type); break;
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case XK_Alt_R: setModifier(Modifier::RightAlt, KeyPress == event.type); break;
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default:
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{
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Key::Enum key = fromXk(keysym);
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if (Key::None != key)
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{
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m_eventQueue.postKeyEvent(key, m_modifiers, KeyPress == event.type);
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}
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}
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break;
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}
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}
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break;
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case ResizeRequest:
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{
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const XResizeRequestEvent& xresize = event.xresizerequest;
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XResizeWindow(m_display, m_window, xresize.width, xresize.height);
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}
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break;
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}
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}
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}
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thread.shutdown();
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XUnmapWindow(m_display, m_window);
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XDestroyWindow(m_display, m_window);
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return EXIT_SUCCESS;
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}
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void setModifier(Modifier::Enum _modifier, bool _set)
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{
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m_modifiers &= ~_modifier;
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m_modifiers |= _set ? _modifier : 0;
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}
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uint8_t m_modifiers;
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Display* m_display;
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Window m_window;
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bool m_exit;
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EventQueue m_eventQueue;
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};
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static Context s_ctx;
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int32_t MainThreadEntry::threadFunc(void* _userData)
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{
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MainThreadEntry* self = (MainThreadEntry*)_userData;
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int32_t result = main(self->m_argc, self->m_argv);
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s_ctx.m_exit = true;
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return result;
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}
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const Event* poll()
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{
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return s_ctx.m_eventQueue.poll();
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}
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void release(const Event* _event)
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{
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s_ctx.m_eventQueue.release(_event);
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}
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void setWindowSize(uint32_t _width, uint32_t _height)
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{
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XResizeRequestEvent ev;
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ev.type = ResizeRequest;
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ev.serial = 0;
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ev.send_event = true;
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ev.display = s_ctx.m_display;
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ev.window = s_ctx.m_window;
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ev.width = (int)_width;
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ev.height = (int)_height;
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XSendEvent(s_ctx.m_display, s_ctx.m_window, false, ResizeRedirectMask, (XEvent*)&ev);
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}
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void toggleWindowFrame()
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{
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}
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void setMouseLock(bool _lock)
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{
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}
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} // namespace entry
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int main(int _argc, char** _argv)
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{
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using namespace entry;
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return s_ctx.run(_argc, _argv);
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}
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#endif // BX_PLATFORM_LINUX
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