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dpavlin |
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/* |
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* PearPC |
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* sysx11.cc |
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* |
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* Copyright (C) 1999-2002 Stefan Weyergraf |
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* Copyright (C) 1999-2004 Sebastian Biallas (sb@biallas.net) |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#include <X11/Xutil.h> |
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#include <X11/keysym.h> |
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#include <sys/time.h> |
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#include <csignal> |
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#include <cstdlib> |
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#include <cstdio> |
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#include <unistd.h> |
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#include <cstring> |
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#include "system/sysclk.h" |
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#include "system/display.h" |
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#include "system/keyboard.h" |
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#include "system/mouse.h" |
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#include "tools/snprintf.h" |
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#include "sysx11.h" |
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sys_mutex gX11Mutex; |
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Display * gX11Display = NULL; |
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Window gX11Window; |
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static uint8 x11_key_to_adb_key[256] = { |
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
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0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x35,0x12,0x13,0x14,0x15,0x17,0x16, |
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0x1a,0x1c,0x19,0x1d,0x1b,0x18,0x33,0x30,0x0c,0x0d,0x0e,0x0f,0x11,0x10,0x20,0x22, |
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0x1f,0x23,0x21,0x1e,0x24,0x36,0x00,0x01,0x02,0x03,0x05,0x04,0x26,0x28,0x25,0x29, |
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0x27,0x32,0x38,0x2a,0x06,0x07,0x08,0x09,0x0b,0x2d,0x2e,0x2b,0x2f,0x2c,0x38,0x43, |
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0x37,0x31,0xff,0x7a,0x78,0x63,0x76,0x60,0x61,0x62,0x64,0x65,0x6d,0x47,0xff,0x59, |
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0x5b,0x5c,0x4e,0x56,0x57,0x58,0x45,0x53,0x54,0x55,0x52,0x41,0xff,0xff,0x0a,0x67, |
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0x6f,0x73,0x3e,0x74,0x3b,0xff,0x3c,0x77,0x3d,0x79,0x72,0x75,0x4c,0x36,0xff,0xff, |
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0x4b,0x3a,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
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0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
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0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
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0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
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0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
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0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
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0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
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0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
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0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
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}; |
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static void handleX11Event(const XEvent &event) |
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{ |
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static bool visible = true; |
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static bool mapped = true; |
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static bool mouseButton[3] = {false, false, false}; |
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bool tmpMouseButton[3]; |
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switch (event.type) { |
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case GraphicsExpose: |
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case Expose: |
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damageFrameBufferAll(); |
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gDisplay->displayShow(); |
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break; |
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case KeyRelease: { |
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char buffer[4]; |
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SystemEvent ev; |
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XComposeStatus compose; |
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KeySym keysym; |
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ev.key.keycode = x11_key_to_adb_key[event.xkey.keycode]; |
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if ((ev.key.keycode & 0xff) == 0xff) break; |
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ev.type = sysevKey; |
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ev.key.pressed = false; |
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sys_lock_mutex(gX11Mutex); |
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XLookupString((XKeyEvent*)&event, buffer, sizeof buffer, &keysym, &compose); |
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sys_unlock_mutex(gX11Mutex); |
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ev.key.chr = buffer[0]; |
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gKeyboard->handleEvent(ev); |
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break; |
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} |
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case KeyPress: { |
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char buffer[4]; |
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XComposeStatus compose; |
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KeySym keysym; |
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SystemEvent ev; |
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ev.key.keycode = x11_key_to_adb_key[event.xkey.keycode]; |
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if ((ev.key.keycode & 0xff) == 0xff) break; |
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ev.type = sysevKey; |
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ev.key.pressed = true; |
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ev.key.keycode = x11_key_to_adb_key[event.xkey.keycode]; |
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sys_lock_mutex(gX11Mutex); |
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XLookupString((XKeyEvent*)&event, buffer, sizeof buffer, &keysym, &compose); |
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sys_unlock_mutex(gX11Mutex); |
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ev.key.chr = buffer[0]; |
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gKeyboard->handleEvent(ev); |
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break; |
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} |
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case ButtonPress: { |
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SystemEvent ev; |
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ev.type = sysevMouse; |
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memcpy(tmpMouseButton, mouseButton, sizeof (tmpMouseButton)); |
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switch (((XButtonEvent *)&event)->button) { |
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case Button1: |
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mouseButton[0] = true; |
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break; |
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case Button2: |
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mouseButton[2] = true; |
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break; |
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case Button3: |
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mouseButton[1] = true; |
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break; |
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} |
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ev.mouse.type = sme_buttonPressed; |
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ev.mouse.button1 = mouseButton[0]; |
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ev.mouse.button2 = mouseButton[1]; |
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ev.mouse.button3 = mouseButton[2]; |
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if (mouseButton[0] != tmpMouseButton[0]) { |
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ev.mouse.dbutton = 1; |
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} else if (mouseButton[1] != tmpMouseButton[1]) { |
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ev.mouse.dbutton = 2; |
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} else if (mouseButton[2] != tmpMouseButton[2]) { |
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ev.mouse.dbutton = 3; |
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} else { |
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ev.mouse.dbutton = 0; |
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} |
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ev.mouse.x = gDisplay->mCurMouseX; |
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ev.mouse.y = gDisplay->mCurMouseY; |
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ev.mouse.relx = 0; |
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ev.mouse.rely = 0; |
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gMouse->handleEvent(ev); |
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break; |
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} |
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case ButtonRelease: { |
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SystemEvent ev; |
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ev.type = sysevMouse; |
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memcpy(tmpMouseButton, mouseButton, sizeof (tmpMouseButton)); |
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switch (((XButtonEvent *)&event)->button) { |
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case Button1: |
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mouseButton[0] = false; |
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break; |
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case Button2: |
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mouseButton[2] = false; |
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break; |
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case Button3: |
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mouseButton[1] = false; |
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break; |
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} |
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ev.mouse.type = sme_buttonReleased; |
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ev.mouse.button1 = mouseButton[0]; |
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ev.mouse.button2 = mouseButton[1]; |
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ev.mouse.button3 = mouseButton[2]; |
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if (mouseButton[0] != tmpMouseButton[0]) { |
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ev.mouse.dbutton = 1; |
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} else if (mouseButton[1] != tmpMouseButton[1]) { |
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ev.mouse.dbutton = 2; |
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} else if (mouseButton[2] != tmpMouseButton[2]) { |
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ev.mouse.dbutton = 3; |
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} else { |
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ev.mouse.dbutton = 0; |
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} |
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ev.mouse.x = gDisplay->mCurMouseX; |
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ev.mouse.y = gDisplay->mCurMouseY; |
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ev.mouse.relx = 0; |
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ev.mouse.rely = 0; |
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gMouse->handleEvent(ev); |
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break; |
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} |
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case MotionNotify: { |
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SystemEvent ev; |
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gDisplay->mCurMouseX = ev.mouse.x = ((XPointerMovedEvent *)&event)->x; |
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gDisplay->mCurMouseY = ev.mouse.y = ((XPointerMovedEvent *)&event)->y; |
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if (gDisplay->mCurMouseX == gDisplay->mHomeMouseX && gDisplay->mCurMouseY == gDisplay->mHomeMouseY) break; |
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if (gDisplay->mCurMouseX == -1) break; |
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ev.type = sysevMouse; |
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ev.mouse.type = sme_motionNotify; |
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ev.mouse.button1 = mouseButton[0]; |
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ev.mouse.button2 = mouseButton[1]; |
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ev.mouse.button3 = mouseButton[2]; |
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ev.mouse.dbutton = 0; |
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ev.mouse.relx = gDisplay->mCurMouseX - gDisplay->mHomeMouseX; |
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ev.mouse.rely = gDisplay->mCurMouseY - gDisplay->mHomeMouseY; |
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if (gDisplay->isMouseGrabbed()) { |
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sys_lock_mutex(gX11Mutex); |
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XWarpPointer(gX11Display, gX11Window, gX11Window, 0, 0, 0, 0, gDisplay->mHomeMouseX, gDisplay->mHomeMouseY); |
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sys_unlock_mutex(gX11Mutex); |
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} |
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gMouse->handleEvent(ev); |
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break; |
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} |
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case EnterNotify: |
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gDisplay->mCurMouseX = ((XEnterWindowEvent *)&event)->x; |
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gDisplay->mCurMouseY = ((XEnterWindowEvent *)&event)->y; |
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break; |
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case LeaveNotify: |
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gDisplay->mCurMouseX = gDisplay->mCurMouseY = -1; |
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break; |
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case FocusOut: |
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if (gDisplay->isMouseGrabbed()) gDisplay->setMouseGrab(false); |
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break; |
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case MapNotify: |
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mapped = true; |
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gDisplay->setExposed(visible); |
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break; |
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case UnmapNotify: |
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mapped = false; |
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gDisplay->setExposed(false); |
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break; |
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case VisibilityNotify: |
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visible = (event.xvisibility.state != VisibilityFullyObscured); |
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gDisplay->setExposed(mapped && visible); |
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break; |
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} |
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} |
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static inline bool checkHandleX11Event() |
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{ |
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XEvent event; |
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uint xevmask = KeyPressMask | KeyReleaseMask | ExposureMask |
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| ButtonPressMask | ButtonReleaseMask | PointerMotionMask |
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| EnterWindowMask | LeaveWindowMask | StructureNotifyMask |
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| VisibilityChangeMask; |
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sys_lock_mutex(gX11Mutex); |
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if (!XCheckWindowEvent(gX11Display, gX11Window, |
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xevmask, &event)) { |
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sys_unlock_mutex(gX11Mutex); |
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return false; |
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} |
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sys_unlock_mutex(gX11Mutex); |
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handleX11Event(event); |
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return true; |
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} |
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static void *X11eventLoop(void *p) |
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{ |
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int fd = ConnectionNumber(gX11Display); |
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int redraw_interval_msec = gDisplay->mRedraw_ms; |
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uint64 redraw_interval_clk = redraw_interval_msec*sys_get_hiresclk_ticks_per_second()/1000; |
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uint64 clk_per_sec = sys_get_hiresclk_ticks_per_second(); |
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uint64 next_redraw_clk = sys_get_hiresclk_ticks(); |
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while (1) { |
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while (1) { |
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uint64 clk = sys_get_hiresclk_ticks(); |
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if (clk >= next_redraw_clk) { |
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uint64 d = clk - next_redraw_clk; |
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// We may have missed some scheduled display |
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// redraws. We'll just ignore this and |
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// keep drawing every 'redraw_interval_msec' msecs |
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d %= redraw_interval_clk; |
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next_redraw_clk = clk + redraw_interval_clk - d; |
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gDisplay->displayShow(); |
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} |
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struct timeval tm; |
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fd_set zerofds; |
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fd_set xfds; |
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FD_ZERO(&zerofds); |
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FD_ZERO(&xfds); |
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FD_SET(fd, &xfds); |
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uint64 x = (next_redraw_clk - clk) * 1000000 / clk_per_sec; |
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tm.tv_sec = 0; |
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tm.tv_usec = x; |
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if (checkHandleX11Event()) break; |
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if (select(fd+1, &xfds, &zerofds, &zerofds, &tm)) break; |
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} |
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// kind of limit the number of X events we handle to give the above |
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// code a chance |
297 |
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for (int i=0; i<500; i++) { |
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if (!checkHandleX11Event()) break; |
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} |
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} |
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return NULL; |
302 |
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} |
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extern SystemDisplay *allocSystemDisplay(const char *title, const DisplayCharacteristics &chr, int redraw_ms, bool fullscreen); |
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extern SystemMouse *allocSystemMouse(); |
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extern SystemKeyboard *allocSystemKeyboard(); |
307 |
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void initUI(const char *title, const DisplayCharacteristics &aCharacteristics, int redraw_ms, const KeyboardCharacteristics &keyConfig, bool fullscreen) |
309 |
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{ |
310 |
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// connect to X server |
311 |
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char *display = getenv("DISPLAY"); |
312 |
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if (display == NULL) { |
313 |
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display = ":0.0"; |
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} |
315 |
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gX11Display = XOpenDisplay(display); |
316 |
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if (!gX11Display) { |
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ht_printf("can't open X11 display (%s)!\n", display); |
318 |
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exit(1); |
319 |
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} |
320 |
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sys_create_mutex(&gX11Mutex); |
322 |
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gDisplay = allocSystemDisplay(title, aCharacteristics, redraw_ms, fullscreen); |
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gMouse = allocSystemMouse(); |
325 |
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gKeyboard = allocSystemKeyboard(); |
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if(!gKeyboard->setKeyConfig(keyConfig)) { |
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ht_printf("no keyConfig, or is empty"); |
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exit(1); |
329 |
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} |
330 |
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gDisplay->updateTitle(); |
331 |
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sys_thread X11eventLoopThread; |
333 |
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334 |
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if (sys_create_thread(&X11eventLoopThread, 0, X11eventLoop, NULL)) { |
335 |
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ht_printf("can't create x11 event thread!\n"); |
336 |
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exit(1); |
337 |
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} |
338 |
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} |
339 |
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340 |
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void doneUI() |
341 |
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{ |
342 |
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XCloseDisplay(gX11Display); |
343 |
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} |