mirror of
https://github.com/baldurk/renderdoc.git
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baldurk
ebb889a7ee
* This is primarily for vulkan, which supports either xlib or xcb (and not necessarily both). GL still only supports xlib, windows and android only support one system regardless of API. * This should also support xlib again for fetching keystates etc.
302 lines
8.3 KiB
C++
302 lines
8.3 KiB
C++
/******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Baldur Karlsson
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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******************************************************************************/
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#include <X11/Xlib.h>
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#include <X11/keysym.h>
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#include <errno.h>
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#include <iconv.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <time.h>
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#include <unistd.h>
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#include <xcb/xcb_keysyms.h>
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#include "api/app/renderdoc_app.h"
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#include "common/threading.h"
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#include "os/os_specific.h"
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#include "serialise/string_utils.h"
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using std::string;
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namespace Keyboard
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{
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void Init()
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{
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}
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bool PlatformHasKeyInput()
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{
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return true;
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}
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Display *CurrentXDisplay = NULL;
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void CloneDisplay(Display *dpy)
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{
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if(CurrentXDisplay || dpy == NULL)
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return;
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CurrentXDisplay = XOpenDisplay(XDisplayString(dpy));
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}
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xcb_connection_t *connection;
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xcb_key_symbols_t *symbols;
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void UseConnection(xcb_connection_t *conn)
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{
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connection = conn;
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symbols = xcb_key_symbols_alloc(conn);
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}
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void AddInputWindow(void *wnd)
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{
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// TODO check against this drawable & parent window being focused in GetKeyState
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}
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void RemoveInputWindow(void *wnd)
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{
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}
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bool GetXlibKeyState(int key)
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{
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if(CurrentXDisplay == NULL)
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return false;
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KeySym ks = 0;
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if(key >= eRENDERDOC_Key_A && key <= eRENDERDOC_Key_Z)
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ks = key;
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if(key >= eRENDERDOC_Key_0 && key <= eRENDERDOC_Key_9)
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ks = key;
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switch(key)
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{
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case eRENDERDOC_Key_Divide: ks = XK_KP_Divide; break;
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case eRENDERDOC_Key_Multiply: ks = XK_KP_Multiply; break;
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case eRENDERDOC_Key_Subtract: ks = XK_KP_Subtract; break;
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case eRENDERDOC_Key_Plus: ks = XK_KP_Add; break;
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case eRENDERDOC_Key_F1: ks = XK_F1; break;
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case eRENDERDOC_Key_F2: ks = XK_F2; break;
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case eRENDERDOC_Key_F3: ks = XK_F3; break;
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case eRENDERDOC_Key_F4: ks = XK_F4; break;
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case eRENDERDOC_Key_F5: ks = XK_F5; break;
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case eRENDERDOC_Key_F6: ks = XK_F6; break;
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case eRENDERDOC_Key_F7: ks = XK_F7; break;
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case eRENDERDOC_Key_F8: ks = XK_F8; break;
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case eRENDERDOC_Key_F9: ks = XK_F9; break;
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case eRENDERDOC_Key_F10: ks = XK_F10; break;
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case eRENDERDOC_Key_F11: ks = XK_F11; break;
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case eRENDERDOC_Key_F12: ks = XK_F12; break;
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case eRENDERDOC_Key_Home: ks = XK_Home; break;
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case eRENDERDOC_Key_End: ks = XK_End; break;
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case eRENDERDOC_Key_Insert: ks = XK_Insert; break;
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case eRENDERDOC_Key_Delete: ks = XK_Delete; break;
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case eRENDERDOC_Key_PageUp: ks = XK_Prior; break;
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case eRENDERDOC_Key_PageDn: ks = XK_Next; break;
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case eRENDERDOC_Key_Backspace: ks = XK_BackSpace; break;
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case eRENDERDOC_Key_Tab: ks = XK_Tab; break;
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case eRENDERDOC_Key_PrtScrn: ks = XK_Print; break;
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case eRENDERDOC_Key_Pause: ks = XK_Pause; break;
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default: break;
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}
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if(ks == 0)
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return false;
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KeyCode kc = XKeysymToKeycode(CurrentXDisplay, ks);
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char keyState[32];
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XQueryKeymap(CurrentXDisplay, keyState);
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int byteIdx = (kc / 8);
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int bitMask = 1 << (kc % 8);
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uint8_t keyByte = (uint8_t)keyState[byteIdx];
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return (keyByte & bitMask) != 0;
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}
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bool GetXCBKeyState(int key)
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{
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if(symbols == NULL)
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return false;
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KeySym ks = 0;
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if(key >= eRENDERDOC_Key_A && key <= eRENDERDOC_Key_Z)
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ks = key;
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if(key >= eRENDERDOC_Key_0 && key <= eRENDERDOC_Key_9)
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ks = key;
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switch(key)
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{
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case eRENDERDOC_Key_Divide: ks = XK_KP_Divide; break;
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case eRENDERDOC_Key_Multiply: ks = XK_KP_Multiply; break;
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case eRENDERDOC_Key_Subtract: ks = XK_KP_Subtract; break;
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case eRENDERDOC_Key_Plus: ks = XK_KP_Add; break;
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case eRENDERDOC_Key_F1: ks = XK_F1; break;
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case eRENDERDOC_Key_F2: ks = XK_F2; break;
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case eRENDERDOC_Key_F3: ks = XK_F3; break;
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case eRENDERDOC_Key_F4: ks = XK_F4; break;
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case eRENDERDOC_Key_F5: ks = XK_F5; break;
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case eRENDERDOC_Key_F6: ks = XK_F6; break;
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case eRENDERDOC_Key_F7: ks = XK_F7; break;
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case eRENDERDOC_Key_F8: ks = XK_F8; break;
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case eRENDERDOC_Key_F9: ks = XK_F9; break;
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case eRENDERDOC_Key_F10: ks = XK_F10; break;
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case eRENDERDOC_Key_F11: ks = XK_F11; break;
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case eRENDERDOC_Key_F12: ks = XK_F12; break;
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case eRENDERDOC_Key_Home: ks = XK_Home; break;
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case eRENDERDOC_Key_End: ks = XK_End; break;
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case eRENDERDOC_Key_Insert: ks = XK_Insert; break;
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case eRENDERDOC_Key_Delete: ks = XK_Delete; break;
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case eRENDERDOC_Key_PageUp: ks = XK_Prior; break;
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case eRENDERDOC_Key_PageDn: ks = XK_Next; break;
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case eRENDERDOC_Key_Backspace: ks = XK_BackSpace; break;
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case eRENDERDOC_Key_Tab: ks = XK_Tab; break;
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case eRENDERDOC_Key_PrtScrn: ks = XK_Print; break;
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case eRENDERDOC_Key_Pause: ks = XK_Pause; break;
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default: break;
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}
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if(ks == 0)
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return false;
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xcb_keycode_t *keyCodes = xcb_key_symbols_get_keycode(symbols, ks);
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if(!keyCodes)
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return false;
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xcb_query_keymap_cookie_t keymapcookie = xcb_query_keymap(connection);
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xcb_query_keymap_reply_t *keys = xcb_query_keymap_reply(connection, keymapcookie, NULL);
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bool ret = false;
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if(keys && keyCodes[0] != XCB_NO_SYMBOL)
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{
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int byteIdx = (keyCodes[0] / 8);
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int bitMask = 1 << (keyCodes[0] % 8);
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ret = (keys->keys[byteIdx] & bitMask) != 0;
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}
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free(keyCodes);
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free(keys);
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return ret;
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}
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bool GetKeyState(int key)
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{
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return GetXCBKeyState(key) || GetXlibKeyState(key);
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}
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}
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namespace FileIO
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{
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const char *GetTempRootPath()
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{
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return "/tmp";
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}
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void GetExecutableFilename(string &selfName)
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{
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char path[512] = {0};
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readlink("/proc/self/exe", path, 511);
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selfName = string(path);
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}
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};
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namespace StringFormat
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{
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// cache iconv_t descriptor to save on iconv_open/iconv_close each time
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iconv_t iconvWide2UTF8 = (iconv_t)-1;
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// iconv is not thread safe when sharing an iconv_t descriptor
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// I don't expect much contention but if it happens we could TryLock
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// before creating a temporary iconv_t, or hold two iconv_ts, or something.
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Threading::CriticalSection lockWide2UTF8;
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string Wide2UTF8(const std::wstring &s)
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{
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// include room for null terminator, assuming unicode input (not ucs)
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// utf-8 characters can be max 4 bytes.
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size_t len = (s.length() + 1) * 4;
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vector<char> charBuffer;
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if(charBuffer.size() < len)
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charBuffer.resize(len);
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size_t ret;
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{
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SCOPED_LOCK(lockWide2UTF8);
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if(iconvWide2UTF8 == (iconv_t)-1)
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iconvWide2UTF8 = iconv_open("UTF-8", "WCHAR_T");
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if(iconvWide2UTF8 == (iconv_t)-1)
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{
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RDCERR("Couldn't open iconv for WCHAR_T to UTF-8: %d", errno);
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return "";
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}
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char *inbuf = (char *)s.c_str();
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size_t insize = (s.length() + 1) * sizeof(wchar_t); // include null terminator
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char *outbuf = &charBuffer[0];
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size_t outsize = len;
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ret = iconv(iconvWide2UTF8, &inbuf, &insize, &outbuf, &outsize);
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}
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if(ret == (size_t)-1)
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{
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#if !defined(_RELEASE)
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RDCWARN("Failed to convert wstring");
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#endif
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return "";
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}
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// convert to string from null-terminated string - utf-8 never contains
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// 0 bytes before the null terminator, and this way we don't care if
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// charBuffer is larger than the string
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return string(&charBuffer[0]);
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}
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};
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namespace OSUtility
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{
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void WriteOutput(int channel, const char *str)
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{
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if(channel == OSUtility::Output_StdOut)
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fprintf(stdout, "%s", str);
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else if(channel == OSUtility::Output_StdErr)
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fprintf(stderr, "%s", str);
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}
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};
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