1525 lines
49 KiB
C
1525 lines
49 KiB
C
//========================================================================
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// GLFW - An OpenGL framework
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// File: win32_window.c
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// Platform: Windows
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// API version: 2.6
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// WWW: http://glfw.sourceforge.net
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Camilla Berglund
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//------------------------------------------------------------------------
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// $Id: win32_window.c,v 1.24 2007/05/05 16:21:57 elmindreda Exp $
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//========================================================================
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#include "internal.h"
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//************************************************************************
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//**** GLFW internal functions ****
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//************************************************************************
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#define _GLFW_WNDCLASSNAME "GLFW26"
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//========================================================================
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// _glfwMinMaxAnimations() - Enable/disable minimize/restore animations
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//========================================================================
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static int _glfwMinMaxAnimations( int enable )
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{
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ANIMATIONINFO AI;
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int old_enable;
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// Get old animation setting
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AI.cbSize = sizeof( ANIMATIONINFO );
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SystemParametersInfo( SPI_GETANIMATION, AI.cbSize, &AI, 0 );
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old_enable = AI.iMinAnimate;
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// If requested, change setting
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if( old_enable != enable )
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{
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AI.iMinAnimate = enable;
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SystemParametersInfo( SPI_SETANIMATION, AI.cbSize, &AI,
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SPIF_SENDCHANGE );
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}
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return old_enable;
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}
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//========================================================================
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// _glfwSetForegroundWindow() - Function for bringing a window into focus
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// and placing it on top of the window z stack. Due to some nastiness
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// with how Win98/ME/2k/XP handles SetForegroundWindow, we have to go
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// through some really bizarre measures to achieve this (thanks again, MS,
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// for making life so much easier)!
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//========================================================================
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static void _glfwSetForegroundWindow( HWND hWnd )
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{
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int try_count = 0;
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int old_animate;
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// Try the standard approach first...
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BringWindowToTop( hWnd );
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SetForegroundWindow( hWnd );
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// If it worked, return now
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if( hWnd == GetForegroundWindow() )
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{
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// Try to modify the system settings (since this is the foreground
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// process, we are allowed to do this)
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SystemParametersInfo( SPI_SETFOREGROUNDLOCKTIMEOUT, 0, (LPVOID)0,
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SPIF_SENDCHANGE );
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return;
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}
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// For other Windows versions than 95 & NT4.0, the standard approach
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// may not work, so if we failed we have to "trick" Windows into
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// making our window the foureground window: Iconify and restore
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// again. It is ugly, but it seems to work (we turn off those annoying
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// zoom animations to make it look a bit better at least).
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// Turn off minimize/restore animations
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old_animate = _glfwMinMaxAnimations( 0 );
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// We try this a few times, just to be on the safe side of things...
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do
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{
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// Iconify & restore
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ShowWindow( hWnd, SW_HIDE );
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ShowWindow( hWnd, SW_SHOWMINIMIZED );
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ShowWindow( hWnd, SW_SHOWNORMAL );
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// Try to get focus
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BringWindowToTop( hWnd );
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SetForegroundWindow( hWnd );
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// We do not want to keep going on forever, so we keep track of
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// how many times we tried
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try_count ++;
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}
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while( hWnd != GetForegroundWindow() && try_count <= 3 );
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// Restore the system minimize/restore animation setting
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(void) _glfwMinMaxAnimations( old_animate );
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// Try to modify the system settings (since this is now hopefully the
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// foreground process, we are probably allowed to do this)
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SystemParametersInfo( SPI_SETFOREGROUNDLOCKTIMEOUT, 0, (LPVOID)0,
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SPIF_SENDCHANGE );
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}
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//========================================================================
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// _glfwTranslateKey() - Translates a windows key to an internal coding
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//========================================================================
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static int _glfwTranslateKey( DWORD wParam, DWORD lParam )
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{
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MSG next_msg;
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DWORD msg_time;
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DWORD scan_code;
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// Check which key was pressed or released
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switch( wParam )
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{
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// The SHIFT keys require special handling
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case VK_SHIFT:
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// Compare scan code for this key with that of VK_RSHIFT in
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// order to determine which shift key was pressed (left or
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// right)
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scan_code = MapVirtualKey( VK_RSHIFT, 0 );
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if( ((lParam & 0x01ff0000) >> 16) == scan_code )
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{
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return GLFW_KEY_RSHIFT;
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}
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return GLFW_KEY_LSHIFT;
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// The CTRL keys require special handling
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case VK_CONTROL:
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// Is this an extended key (i.e. right key)?
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if( lParam & 0x01000000 )
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{
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return GLFW_KEY_RCTRL;
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}
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// Here is a trick: "Alt Gr" sends LCTRL, then RALT. We only
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// want the RALT message, so we try to see if the next message
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// is a RALT message. In that case, this is a false LCTRL!
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msg_time = GetMessageTime();
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if( PeekMessage( &next_msg, NULL, 0, 0, PM_NOREMOVE ) )
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{
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if( next_msg.message == WM_KEYDOWN ||
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next_msg.message == WM_SYSKEYDOWN )
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{
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if( next_msg.wParam == VK_MENU &&
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(next_msg.lParam & 0x01000000) &&
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next_msg.time == msg_time )
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{
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// Next message is a RALT down message, which
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// means that this is NOT a proper LCTRL message!
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return GLFW_KEY_UNKNOWN;
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}
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}
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}
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return GLFW_KEY_LCTRL;
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// The ALT keys require special handling
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case VK_MENU:
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// Is this an extended key (i.e. right key)?
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if( lParam & 0x01000000 )
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{
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return GLFW_KEY_RALT;
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}
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return GLFW_KEY_LALT;
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// The ENTER keys require special handling
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case VK_RETURN:
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// Is this an extended key (i.e. right key)?
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if( lParam & 0x01000000 )
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{
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return GLFW_KEY_KP_ENTER;
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}
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return GLFW_KEY_ENTER;
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// Special keys (non character keys)
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case VK_ESCAPE: return GLFW_KEY_ESC;
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case VK_TAB: return GLFW_KEY_TAB;
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case VK_BACK: return GLFW_KEY_BACKSPACE;
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case VK_HOME: return GLFW_KEY_HOME;
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case VK_END: return GLFW_KEY_END;
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case VK_PRIOR: return GLFW_KEY_PAGEUP;
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case VK_NEXT: return GLFW_KEY_PAGEDOWN;
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case VK_INSERT: return GLFW_KEY_INSERT;
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case VK_DELETE: return GLFW_KEY_DEL;
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case VK_LEFT: return GLFW_KEY_LEFT;
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case VK_UP: return GLFW_KEY_UP;
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case VK_RIGHT: return GLFW_KEY_RIGHT;
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case VK_DOWN: return GLFW_KEY_DOWN;
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case VK_F1: return GLFW_KEY_F1;
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case VK_F2: return GLFW_KEY_F2;
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case VK_F3: return GLFW_KEY_F3;
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case VK_F4: return GLFW_KEY_F4;
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case VK_F5: return GLFW_KEY_F5;
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case VK_F6: return GLFW_KEY_F6;
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case VK_F7: return GLFW_KEY_F7;
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case VK_F8: return GLFW_KEY_F8;
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case VK_F9: return GLFW_KEY_F9;
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case VK_F10: return GLFW_KEY_F10;
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case VK_F11: return GLFW_KEY_F11;
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case VK_F12: return GLFW_KEY_F12;
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case VK_F13: return GLFW_KEY_F13;
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case VK_F14: return GLFW_KEY_F14;
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case VK_F15: return GLFW_KEY_F15;
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case VK_F16: return GLFW_KEY_F16;
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case VK_F17: return GLFW_KEY_F17;
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case VK_F18: return GLFW_KEY_F18;
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case VK_F19: return GLFW_KEY_F19;
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case VK_F20: return GLFW_KEY_F20;
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case VK_F21: return GLFW_KEY_F21;
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case VK_F22: return GLFW_KEY_F22;
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case VK_F23: return GLFW_KEY_F23;
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case VK_F24: return GLFW_KEY_F24;
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case VK_SPACE: return GLFW_KEY_SPACE;
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// Numeric keypad
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case VK_NUMPAD0: return GLFW_KEY_KP_0;
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case VK_NUMPAD1: return GLFW_KEY_KP_1;
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case VK_NUMPAD2: return GLFW_KEY_KP_2;
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case VK_NUMPAD3: return GLFW_KEY_KP_3;
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case VK_NUMPAD4: return GLFW_KEY_KP_4;
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case VK_NUMPAD5: return GLFW_KEY_KP_5;
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case VK_NUMPAD6: return GLFW_KEY_KP_6;
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case VK_NUMPAD7: return GLFW_KEY_KP_7;
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case VK_NUMPAD8: return GLFW_KEY_KP_8;
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case VK_NUMPAD9: return GLFW_KEY_KP_9;
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case VK_DIVIDE: return GLFW_KEY_KP_DIVIDE;
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case VK_MULTIPLY: return GLFW_KEY_KP_MULTIPLY;
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case VK_SUBTRACT: return GLFW_KEY_KP_SUBTRACT;
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case VK_ADD: return GLFW_KEY_KP_ADD;
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case VK_DECIMAL: return GLFW_KEY_KP_DECIMAL;
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// The rest (should be printable keys)
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default:
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// Convert to printable character (ISO-8859-1 or Unicode)
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wParam = MapVirtualKey( wParam, 2 ) & 0x0000FFFF;
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// Make sure that the character is uppercase
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if( _glfwLibrary.Sys.HasUnicode )
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{
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wParam = (DWORD) CharUpperW( (LPWSTR) wParam );
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}
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else
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{
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wParam = (DWORD) CharUpperA( (LPSTR) wParam );
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}
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// Valid ISO-8859-1 character?
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if( (wParam >= 32 && wParam <= 126) ||
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(wParam >= 160 && wParam <= 255) )
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{
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return (int) wParam;
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}
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return GLFW_KEY_UNKNOWN;
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}
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}
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//========================================================================
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// _glfwTranslateChar() - Translates a windows key to Unicode
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//========================================================================
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static void _glfwTranslateChar( DWORD wParam, DWORD lParam, int action )
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{
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BYTE keyboard_state[ 256 ];
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UCHAR char_buf[ 10 ];
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WCHAR unicode_buf[ 10 ];
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UINT scan_code;
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int i, num_chars, unicode;
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// Get keyboard state
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GetKeyboardState( keyboard_state );
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// Derive scan code from lParam and action
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scan_code = (lParam & 0x01ff0000) >> 16;
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if( action == GLFW_RELEASE )
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{
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scan_code |= 0x8000000;
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}
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// Do we have Unicode support?
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if( _glfwLibrary.Sys.HasUnicode )
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{
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// Convert to Unicode
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num_chars = ToUnicode(
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wParam, // virtual-key code
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scan_code, // scan code
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keyboard_state, // key-state array
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unicode_buf, // buffer for translated key
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10, // size of translated key buffer
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0 // active-menu flag
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);
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unicode = 1;
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}
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else
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{
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// Convert to ISO-8859-1
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num_chars = ToAscii(
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wParam, // virtual-key code
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scan_code, // scan code
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keyboard_state, // key-state array
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(LPWORD) char_buf, // buffer for translated key
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0 // active-menu flag
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);
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unicode = 0;
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}
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// Report characters
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for( i = 0; i < num_chars; i ++ )
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{
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// Get next character from buffer
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if( unicode )
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{
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_glfwInputChar( (int) unicode_buf[ i ], action );
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}
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else
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{
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_glfwInputChar( (int) char_buf[ i ], action );
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}
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}
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}
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//========================================================================
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// Window callback function (handles window events)
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//========================================================================
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LRESULT CALLBACK _glfwWindowCallback( HWND hWnd, UINT uMsg,
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WPARAM wParam, LPARAM lParam )
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{
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int WheelDelta, Iconified;
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// Handle certain window messages
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switch( uMsg )
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{
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// Window activate message? (iconification?)
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case WM_ACTIVATE:
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{
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_glfwWin.Active = LOWORD(wParam) != WA_INACTIVE ? GL_TRUE :
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GL_FALSE;
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Iconified = HIWORD(wParam) ? GL_TRUE : GL_FALSE;
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// Were we deactivated/iconified?
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if( (!_glfwWin.Active || Iconified) && !_glfwWin.Iconified )
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{
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_glfwInputDeactivation();
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// If we are in fullscreen mode we need to iconify
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if( _glfwWin.Fullscreen )
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{
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// Do we need to manually iconify?
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if( !Iconified )
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{
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// Minimize window
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CloseWindow( _glfwWin.Wnd );
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// The window is now iconified
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Iconified = GL_TRUE;
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}
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// Change display settings to the desktop resolution
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ChangeDisplaySettings( NULL, CDS_FULLSCREEN );
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}
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// Unlock mouse
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if( !_glfwWin.OldMouseLockValid )
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{
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_glfwWin.OldMouseLock = _glfwWin.MouseLock;
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_glfwWin.OldMouseLockValid = GL_TRUE;
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glfwEnable( GLFW_MOUSE_CURSOR );
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}
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}
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else if( _glfwWin.Active || !Iconified )
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{
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// If we are in fullscreen mode we need to maximize
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if( _glfwWin.Fullscreen && _glfwWin.Iconified )
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{
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// Change display settings to the user selected mode
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_glfwSetVideoModeMODE( _glfwWin.ModeID );
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// Do we need to manually restore window?
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if( Iconified )
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{
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// Restore window
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OpenIcon( _glfwWin.Wnd );
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// The window is no longer iconified
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Iconified = GL_FALSE;
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// Activate window
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ShowWindow( hWnd, SW_SHOW );
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_glfwSetForegroundWindow( _glfwWin.Wnd );
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SetFocus( _glfwWin.Wnd );
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}
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}
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// Lock mouse, if necessary
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if( _glfwWin.OldMouseLockValid && _glfwWin.OldMouseLock )
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{
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glfwDisable( GLFW_MOUSE_CURSOR );
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}
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_glfwWin.OldMouseLockValid = GL_FALSE;
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}
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_glfwWin.Iconified = Iconified;
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return 0;
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}
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// Intercept system commands (forbid certain actions/events)
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case WM_SYSCOMMAND:
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{
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switch( wParam )
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{
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// Screensaver trying to start or monitor trying to enter
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// powersave?
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case SC_SCREENSAVE:
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case SC_MONITORPOWER:
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if( _glfwWin.Fullscreen )
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{
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return 0;
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}
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else
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{
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break;
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}
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// User trying to access application menu using ALT?
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case SC_KEYMENU:
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return 0;
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}
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break;
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}
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// Did we receive a close message?
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case WM_CLOSE:
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PostQuitMessage( 0 );
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return 0;
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// Is a key being pressed?
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case WM_KEYDOWN:
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case WM_SYSKEYDOWN:
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{
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// Translate and report key press
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_glfwInputKey( _glfwTranslateKey( wParam, lParam ),
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GLFW_PRESS );
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// Translate and report character input
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if( _glfwWin.CharCallback )
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{
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_glfwTranslateChar( wParam, lParam, GLFW_PRESS );
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}
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return 0;
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}
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|
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// Is a key being released?
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case WM_KEYUP:
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case WM_SYSKEYUP:
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{
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// Special trick: release both shift keys on SHIFT up event
|
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if( wParam == VK_SHIFT )
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{
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_glfwInputKey( GLFW_KEY_LSHIFT, GLFW_RELEASE );
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_glfwInputKey( GLFW_KEY_RSHIFT, GLFW_RELEASE );
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}
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else
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{
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// Translate and report key release
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_glfwInputKey( _glfwTranslateKey( wParam, lParam ),
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GLFW_RELEASE );
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}
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// Translate and report character input
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if( _glfwWin.CharCallback )
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{
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_glfwTranslateChar( wParam, lParam, GLFW_RELEASE );
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}
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return 0;
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}
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|
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// Were any of the mouse-buttons pressed?
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case WM_LBUTTONDOWN:
|
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SetCapture(hWnd);
|
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_glfwInputMouseClick( GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS );
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return 0;
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case WM_RBUTTONDOWN:
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SetCapture(hWnd);
|
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_glfwInputMouseClick( GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS );
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return 0;
|
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case WM_MBUTTONDOWN:
|
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SetCapture(hWnd);
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_glfwInputMouseClick( GLFW_MOUSE_BUTTON_MIDDLE, GLFW_PRESS );
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return 0;
|
|
case WM_XBUTTONDOWN:
|
|
{
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if( HIWORD(wParam) == XBUTTON1 )
|
|
{
|
|
SetCapture(hWnd);
|
|
_glfwInputMouseClick( GLFW_MOUSE_BUTTON_4, GLFW_PRESS );
|
|
}
|
|
else if( HIWORD(wParam) == XBUTTON2 )
|
|
{
|
|
SetCapture(hWnd);
|
|
_glfwInputMouseClick( GLFW_MOUSE_BUTTON_5, GLFW_PRESS );
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
// Were any of the mouse-buttons released?
|
|
case WM_LBUTTONUP:
|
|
ReleaseCapture();
|
|
_glfwInputMouseClick( GLFW_MOUSE_BUTTON_LEFT, GLFW_RELEASE );
|
|
return 0;
|
|
case WM_RBUTTONUP:
|
|
ReleaseCapture();
|
|
_glfwInputMouseClick( GLFW_MOUSE_BUTTON_RIGHT, GLFW_RELEASE );
|
|
return 0;
|
|
case WM_MBUTTONUP:
|
|
ReleaseCapture();
|
|
_glfwInputMouseClick( GLFW_MOUSE_BUTTON_MIDDLE, GLFW_RELEASE );
|
|
return 0;
|
|
case WM_XBUTTONUP:
|
|
{
|
|
if( HIWORD(wParam) == XBUTTON1 )
|
|
{
|
|
ReleaseCapture();
|
|
_glfwInputMouseClick( GLFW_MOUSE_BUTTON_4, GLFW_RELEASE );
|
|
}
|
|
else if( HIWORD(wParam) == XBUTTON2 )
|
|
{
|
|
ReleaseCapture();
|
|
_glfwInputMouseClick( GLFW_MOUSE_BUTTON_5, GLFW_RELEASE );
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
// Did the mouse move?
|
|
case WM_MOUSEMOVE:
|
|
{
|
|
{
|
|
int NewMouseX, NewMouseY;
|
|
|
|
// Get signed (!) mouse position
|
|
NewMouseX = (int)((short)LOWORD(lParam));
|
|
NewMouseY = (int)((short)HIWORD(lParam));
|
|
|
|
if( NewMouseX != _glfwInput.OldMouseX ||
|
|
NewMouseY != _glfwInput.OldMouseY )
|
|
{
|
|
if( _glfwWin.MouseLock )
|
|
{
|
|
_glfwInput.MousePosX += NewMouseX -
|
|
_glfwInput.OldMouseX;
|
|
_glfwInput.MousePosY += NewMouseY -
|
|
_glfwInput.OldMouseY;
|
|
}
|
|
else
|
|
{
|
|
_glfwInput.MousePosX = NewMouseX;
|
|
_glfwInput.MousePosY = NewMouseY;
|
|
}
|
|
_glfwInput.OldMouseX = NewMouseX;
|
|
_glfwInput.OldMouseY = NewMouseY;
|
|
_glfwInput.MouseMoved = GL_TRUE;
|
|
|
|
// Call user callback function
|
|
if( _glfwWin.MousePosCallback )
|
|
{
|
|
_glfwWin.MousePosCallback( _glfwInput.MousePosX,
|
|
_glfwInput.MousePosY );
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Mouse wheel action?
|
|
case WM_MOUSEWHEEL:
|
|
{
|
|
// WM_MOUSEWHEEL is not supported under Windows 95
|
|
if( _glfwLibrary.Sys.WinVer != _GLFW_WIN_95 )
|
|
{
|
|
WheelDelta = (((int)wParam) >> 16) / WHEEL_DELTA;
|
|
_glfwInput.WheelPos += WheelDelta;
|
|
if( _glfwWin.MouseWheelCallback )
|
|
{
|
|
_glfwWin.MouseWheelCallback( _glfwInput.WheelPos );
|
|
}
|
|
return 0;
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Resize the window?
|
|
case WM_SIZE:
|
|
{
|
|
// get the new size
|
|
_glfwWin.Width = LOWORD(lParam);
|
|
_glfwWin.Height = HIWORD(lParam);
|
|
|
|
// If the mouse is locked, update the clipping rect
|
|
if( _glfwWin.MouseLock )
|
|
{
|
|
RECT ClipWindowRect;
|
|
if( GetWindowRect( _glfwWin.Wnd, &ClipWindowRect ) )
|
|
{
|
|
ClipCursor( &ClipWindowRect );
|
|
}
|
|
}
|
|
|
|
// Call the user-supplied callback, if it exists
|
|
if( _glfwWin.WindowSizeCallback )
|
|
{
|
|
_glfwWin.WindowSizeCallback( LOWORD(lParam),
|
|
HIWORD(lParam) );
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Move the window?
|
|
case WM_MOVE:
|
|
{
|
|
// If the mouse is locked, update the clipping rect
|
|
if( _glfwWin.MouseLock )
|
|
{
|
|
RECT ClipWindowRect;
|
|
if( GetWindowRect( _glfwWin.Wnd, &ClipWindowRect ) )
|
|
{
|
|
ClipCursor( &ClipWindowRect );
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Was the window contents damaged?
|
|
case WM_PAINT:
|
|
{
|
|
// Call user callback function
|
|
if( _glfwWin.WindowRefreshCallback )
|
|
{
|
|
_glfwWin.WindowRefreshCallback();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Pass all unhandled messages to DefWindowProc
|
|
return DefWindowProc( hWnd, uMsg, wParam, lParam );
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// _glfwGetFullWindowSize() - Translate client window size to full window
|
|
// size (including window borders)
|
|
//========================================================================
|
|
|
|
static void _glfwGetFullWindowSize( int w, int h, int *w2, int *h2 )
|
|
{
|
|
RECT rect;
|
|
|
|
// Create a window rectangle
|
|
rect.left = (long)0;
|
|
rect.right = (long)w-1;
|
|
rect.top = (long)0;
|
|
rect.bottom = (long)h-1;
|
|
|
|
// Adjust according to window styles
|
|
AdjustWindowRectEx( &rect, _glfwWin.dwStyle, FALSE,
|
|
_glfwWin.dwExStyle );
|
|
|
|
// Calculate width and height of full window
|
|
*w2 = rect.right-rect.left+1;
|
|
*h2 = rect.bottom-rect.top+1;
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// _glfwInitWGLExtensions() - Initialize WGL-specific extensions
|
|
//========================================================================
|
|
|
|
static void _glfwInitWGLExtensions( void )
|
|
{
|
|
GLubyte *extensions;
|
|
int has_swap_control, has_pixel_format;
|
|
|
|
// Initialize OpenGL extension: WGL_EXT_swap_control
|
|
has_swap_control = GL_FALSE;
|
|
has_pixel_format = GL_FALSE;
|
|
extensions = (GLubyte *) glGetString( GL_EXTENSIONS );
|
|
|
|
if( extensions != NULL )
|
|
{
|
|
has_swap_control = _glfwStringInExtensionString(
|
|
"WGL_EXT_swap_control",
|
|
extensions
|
|
);
|
|
has_pixel_format = _glfwStringInExtensionString(
|
|
"WGL_ARB_pixel_format",
|
|
extensions
|
|
);
|
|
}
|
|
|
|
if( !has_swap_control )
|
|
{
|
|
has_swap_control = _glfwPlatformExtensionSupported(
|
|
"WGL_EXT_swap_control"
|
|
);
|
|
}
|
|
|
|
if( !has_pixel_format )
|
|
{
|
|
has_pixel_format = _glfwPlatformExtensionSupported(
|
|
"WGL_ARB_pixel_format"
|
|
);
|
|
}
|
|
|
|
if( has_swap_control )
|
|
{
|
|
_glfwWin.SwapInterval = (WGLSWAPINTERVALEXT_T)
|
|
wglGetProcAddress( "wglSwapIntervalEXT" );
|
|
}
|
|
else
|
|
{
|
|
_glfwWin.SwapInterval = NULL;
|
|
}
|
|
|
|
if( has_pixel_format )
|
|
{
|
|
_glfwWin.ChoosePixelFormat = (WGLCHOOSEPIXELFORMATARB_T)
|
|
wglGetProcAddress( "wglChoosePixelFormatARB" );
|
|
_glfwWin.GetPixelFormatAttribiv = (WGLGETPIXELFORMATATTRIBIVARB_T)
|
|
wglGetProcAddress( "wglGetPixelFormatAttribivARB" );
|
|
}
|
|
else
|
|
{
|
|
_glfwWin.ChoosePixelFormat = NULL;
|
|
_glfwWin.GetPixelFormatAttribiv = NULL;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//************************************************************************
|
|
//**** Platform implementation functions ****
|
|
//************************************************************************
|
|
|
|
//========================================================================
|
|
// Here is where the window is created, and the OpenGL rendering context is
|
|
// created
|
|
//========================================================================
|
|
|
|
int _glfwPlatformOpenWindow( int width, int height,
|
|
int redbits, int greenbits, int bluebits,
|
|
int alphabits, int depthbits, int stencilbits,
|
|
int mode, _GLFWhints* hints )
|
|
{
|
|
GLuint PixelFormat;
|
|
WNDCLASS wc;
|
|
DWORD dwStyle, dwExStyle;
|
|
int full_width, full_height;
|
|
PIXELFORMATDESCRIPTOR pfd;
|
|
RECT wa;
|
|
|
|
// Clear platform specific GLFW window state
|
|
_glfwWin.DC = NULL;
|
|
_glfwWin.RC = NULL;
|
|
_glfwWin.Wnd = NULL;
|
|
_glfwWin.Instance = NULL;
|
|
_glfwWin.OldMouseLockValid = GL_FALSE;
|
|
|
|
// Remember desired refresh rate for this window (used only in
|
|
// fullscreen mode)
|
|
_glfwWin.DesiredRefreshRate = hints->RefreshRate;
|
|
|
|
// Grab an instance for our window
|
|
_glfwWin.Instance = GetModuleHandle( NULL );
|
|
|
|
// Set window class parameters
|
|
wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC; // Redraw on...
|
|
wc.lpfnWndProc = (WNDPROC)_glfwWindowCallback; // Message handler
|
|
wc.cbClsExtra = 0; // No extra class data
|
|
wc.cbWndExtra = 0; // No extra window data
|
|
wc.hInstance = _glfwWin.Instance; // Set instance
|
|
wc.hIcon = LoadIcon( NULL, IDI_WINLOGO ); // Load default icon
|
|
wc.hCursor = LoadCursor( NULL, IDC_ARROW ); // Load arrow pointer
|
|
wc.hbrBackground = NULL; // No background
|
|
wc.lpszMenuName = NULL; // No menu
|
|
wc.lpszClassName = _GLFW_WNDCLASSNAME; // Set class name
|
|
|
|
// Register the window class
|
|
if( !RegisterClass( &wc ) )
|
|
{
|
|
_glfwWin.Instance = NULL;
|
|
_glfwPlatformCloseWindow();
|
|
return GL_FALSE;
|
|
}
|
|
|
|
// Do we want full-screen mode?
|
|
if( _glfwWin.Fullscreen )
|
|
{
|
|
_glfwSetVideoMode( &_glfwWin.Width, &_glfwWin.Height,
|
|
redbits, greenbits, bluebits,
|
|
hints->RefreshRate );
|
|
}
|
|
|
|
// Set common window styles
|
|
dwStyle = WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
|
|
dwExStyle = WS_EX_APPWINDOW;
|
|
|
|
// Set window style, depending on fullscreen mode
|
|
if( _glfwWin.Fullscreen )
|
|
{
|
|
dwStyle |= WS_POPUP;
|
|
|
|
// Here's a trick for helping us getting window focus
|
|
// (SetForegroundWindow doesn't work properly under
|
|
// Win98/ME/2K/XP/.NET/+)
|
|
if( _glfwLibrary.Sys.WinVer == _GLFW_WIN_95 ||
|
|
_glfwLibrary.Sys.WinVer == _GLFW_WIN_NT4 ||
|
|
_glfwLibrary.Sys.WinVer == _GLFW_WIN_XP )
|
|
{
|
|
dwStyle |= WS_VISIBLE;
|
|
}
|
|
else
|
|
{
|
|
dwStyle |= WS_MINIMIZE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
dwStyle |= WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
|
|
if( !hints->WindowNoResize )
|
|
{
|
|
dwStyle |= ( WS_MAXIMIZEBOX | WS_SIZEBOX );
|
|
dwExStyle |= WS_EX_WINDOWEDGE;
|
|
}
|
|
}
|
|
|
|
// Remember window styles (used by _glfwGetFullWindowSize)
|
|
_glfwWin.dwStyle = dwStyle;
|
|
_glfwWin.dwExStyle = dwExStyle;
|
|
|
|
// Set window size to true requested size (adjust for window borders)
|
|
_glfwGetFullWindowSize( _glfwWin.Width, _glfwWin.Height, &full_width,
|
|
&full_height );
|
|
|
|
// Adjust window position to working area (e.g. if the task bar is at
|
|
// the top of the display). Fullscreen windows are always opened in
|
|
// the upper left corner regardless of the desktop working area.
|
|
if( _glfwWin.Fullscreen )
|
|
{
|
|
wa.left = wa.top = 0;
|
|
}
|
|
else
|
|
{
|
|
SystemParametersInfo( SPI_GETWORKAREA, 0, &wa, 0 );
|
|
}
|
|
|
|
// Create window
|
|
_glfwWin.Wnd = CreateWindowEx(
|
|
dwExStyle, // Extended style
|
|
_GLFW_WNDCLASSNAME, // Class name
|
|
"GLFW Window", // Window title
|
|
dwStyle, // Defined window style
|
|
wa.left, wa.top, // Window position
|
|
full_width, // Decorated window width
|
|
full_height, // Decorated window height
|
|
NULL, // No parent window
|
|
NULL, // No menu
|
|
_glfwWin.Instance, // Instance
|
|
NULL ); // Nothing to WM_CREATE
|
|
if( !_glfwWin.Wnd )
|
|
{
|
|
_glfwPlatformCloseWindow();
|
|
return GL_FALSE;
|
|
}
|
|
|
|
// Get a device context
|
|
_glfwWin.DC = GetDC( _glfwWin.Wnd );
|
|
if( !_glfwWin.DC )
|
|
{
|
|
_glfwPlatformCloseWindow();
|
|
return GL_FALSE;
|
|
}
|
|
|
|
// Set required pixel format
|
|
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
|
|
pfd.nVersion = 1;
|
|
pfd.dwFlags = PFD_DRAW_TO_WINDOW | // Draw to window
|
|
PFD_SUPPORT_OPENGL | // Support OpenGL
|
|
PFD_DOUBLEBUFFER; // Double buffered window
|
|
pfd.iPixelType = PFD_TYPE_RGBA; // Request an RGBA format
|
|
pfd.cColorBits = (BYTE) (redbits +
|
|
greenbits +
|
|
bluebits); // Color bits (ex. alpha)
|
|
pfd.cRedBits = (BYTE) redbits; // Red bits
|
|
pfd.cRedShift = 0; // Red shift ignored
|
|
pfd.cGreenBits = (BYTE) greenbits; // Green bits
|
|
pfd.cGreenShift = 0; // Green shift ignored
|
|
pfd.cBlueBits = (BYTE) bluebits; // Blue bits
|
|
pfd.cBlueShift = 0; // Blue shift ignored
|
|
pfd.cAlphaBits = (BYTE) alphabits; // Alpha bits
|
|
pfd.cAlphaShift = 0; // Alpha shift ignored
|
|
pfd.cAccumBits = (BYTE) (hints->AccumRedBits +
|
|
hints->AccumGreenBits +
|
|
hints->AccumBlueBits +
|
|
hints->AccumAlphaBits); // Accum. bits
|
|
pfd.cAccumRedBits = (BYTE) hints->AccumRedBits; // Accum. red bits
|
|
pfd.cAccumGreenBits = (BYTE) hints->AccumGreenBits; // Accum. green bits
|
|
pfd.cAccumBlueBits = (BYTE) hints->AccumBlueBits; // Accum. blue bits
|
|
pfd.cAccumAlphaBits = (BYTE) hints->AccumAlphaBits; // Accum. alpha bits
|
|
pfd.cDepthBits = (BYTE) depthbits; // Depth buffer bits
|
|
pfd.cStencilBits = (BYTE) stencilbits; // Stencil buffer bits
|
|
pfd.cAuxBuffers = (BYTE) hints->AuxBuffers; // No. of aux buffers
|
|
pfd.iLayerType = PFD_MAIN_PLANE; // Drawing layer: main
|
|
pfd.bReserved = 0; // (reserved)
|
|
pfd.dwLayerMask = 0; // Ignored
|
|
pfd.dwVisibleMask = 0; // "
|
|
pfd.dwDamageMask = 0; // "
|
|
if( depthbits <= 0 )
|
|
{
|
|
// We do not need a depth buffer
|
|
pfd.dwFlags |= PFD_DEPTH_DONTCARE;
|
|
}
|
|
if( hints->Stereo )
|
|
{
|
|
// Request a stereo mode
|
|
pfd.dwFlags |= PFD_STEREO;
|
|
}
|
|
|
|
// Find a matching pixel format
|
|
if( !(PixelFormat = _glfw_ChoosePixelFormat( _glfwWin.DC, &pfd )) )
|
|
{
|
|
_glfwPlatformCloseWindow();
|
|
return GL_FALSE;
|
|
}
|
|
|
|
// Get actual pixel format description
|
|
if( !_glfw_DescribePixelFormat( _glfwWin.DC, PixelFormat,
|
|
sizeof(PIXELFORMATDESCRIPTOR), &pfd) )
|
|
{
|
|
_glfwPlatformCloseWindow();
|
|
return GL_FALSE;
|
|
}
|
|
|
|
// "stereo" is a strict requirement
|
|
if( hints->Stereo && !(pfd.dwFlags & PFD_STEREO) )
|
|
{
|
|
_glfwPlatformCloseWindow();
|
|
return GL_FALSE;
|
|
}
|
|
|
|
// Set the pixel-format
|
|
if( !_glfw_SetPixelFormat( _glfwWin.DC, PixelFormat, &pfd ) )
|
|
{
|
|
_glfwPlatformCloseWindow();
|
|
return GL_FALSE;
|
|
}
|
|
|
|
// Get a rendering context
|
|
_glfwWin.RC = wglCreateContext(_glfwWin.DC);
|
|
if( !_glfwWin.RC )
|
|
{
|
|
_glfwPlatformCloseWindow();
|
|
return GL_FALSE;
|
|
}
|
|
|
|
// Activate the OpenGL rendering context
|
|
if( !wglMakeCurrent( _glfwWin.DC, _glfwWin.RC ) )
|
|
{
|
|
_glfwPlatformCloseWindow();
|
|
return GL_FALSE;
|
|
}
|
|
|
|
// Make sure that our window ends up on top of things
|
|
if( _glfwWin.Fullscreen )
|
|
{
|
|
// Place the window above all topmost windows
|
|
SetWindowPos( _glfwWin.Wnd, HWND_TOPMOST, 0,0,0,0,
|
|
SWP_NOMOVE | SWP_NOSIZE );
|
|
}
|
|
_glfwSetForegroundWindow( _glfwWin.Wnd );
|
|
SetFocus( _glfwWin.Wnd );
|
|
|
|
// Start by clearing the front buffer to black (avoid ugly desktop
|
|
// remains in our OpenGL window)
|
|
glClear( GL_COLOR_BUFFER_BIT );
|
|
_glfw_SwapBuffers( _glfwWin.DC );
|
|
|
|
// Initialize WGL-specific OpenGL extensions
|
|
_glfwInitWGLExtensions();
|
|
|
|
return GL_TRUE;
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// _glfwPlatformCloseWindow() - Properly kill the window / video display
|
|
//========================================================================
|
|
|
|
void _glfwPlatformCloseWindow( void )
|
|
{
|
|
// Do we have a rendering context?
|
|
if( _glfwWin.RC )
|
|
{
|
|
// Release the DC and RC contexts
|
|
wglMakeCurrent( NULL, NULL );
|
|
|
|
// Delete the rendering context
|
|
wglDeleteContext( _glfwWin.RC );
|
|
_glfwWin.RC = NULL;
|
|
}
|
|
|
|
// Do we have a device context?
|
|
if( _glfwWin.DC )
|
|
{
|
|
// Release the device context
|
|
ReleaseDC( _glfwWin.Wnd, _glfwWin.DC );
|
|
_glfwWin.DC = NULL;
|
|
}
|
|
|
|
// Do we have a window?
|
|
if( _glfwWin.Wnd )
|
|
{
|
|
// Destroy the window
|
|
if( _glfwLibrary.Sys.WinVer <= _GLFW_WIN_NT4 )
|
|
{
|
|
// Note: Hiding the window first fixes an annoying W98/NT4
|
|
// remaining icon bug for fullscreen displays
|
|
ShowWindow( _glfwWin.Wnd, SW_HIDE );
|
|
}
|
|
DestroyWindow( _glfwWin.Wnd );
|
|
_glfwWin.Wnd = NULL;
|
|
}
|
|
|
|
// Do we have an instance?
|
|
if( _glfwWin.Instance )
|
|
{
|
|
// Unregister class
|
|
UnregisterClass( _GLFW_WNDCLASSNAME, _glfwWin.Instance );
|
|
_glfwWin.Instance = NULL;
|
|
}
|
|
|
|
// Are we in fullscreen mode?
|
|
if( _glfwWin.Fullscreen )
|
|
{
|
|
// Switch back to desktop resolution
|
|
ChangeDisplaySettings( NULL, CDS_FULLSCREEN );
|
|
}
|
|
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// _glfwPlatformSetWindowTitle() - Set the window title
|
|
//========================================================================
|
|
|
|
void _glfwPlatformSetWindowTitle( const char *title )
|
|
{
|
|
// Set window title
|
|
(void) SetWindowText( _glfwWin.Wnd, title );
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// _glfwPlatformSetWindowSize() - Set the window size.
|
|
//========================================================================
|
|
|
|
void _glfwPlatformSetWindowSize( int width, int height )
|
|
{
|
|
int bpp, mode = 0, refresh;
|
|
int sizechanged = GL_FALSE;
|
|
GLint drawbuffer;
|
|
GLfloat clearcolor[4];
|
|
|
|
// If we are in fullscreen mode, get some info about the current mode
|
|
if( _glfwWin.Fullscreen )
|
|
{
|
|
DEVMODE dm;
|
|
int success;
|
|
|
|
// Get current BPP settings
|
|
dm.dmSize = sizeof( DEVMODE );
|
|
success = EnumDisplaySettings( NULL, _glfwWin.ModeID, &dm );
|
|
if( success )
|
|
{
|
|
// Get bpp
|
|
bpp = dm.dmBitsPerPel;
|
|
|
|
// Get closest match for target video mode
|
|
refresh = _glfwWin.DesiredRefreshRate;
|
|
mode = _glfwGetClosestVideoModeBPP( &width, &height, &bpp,
|
|
&refresh );
|
|
}
|
|
else
|
|
{
|
|
mode = _glfwWin.ModeID;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// If we are in windowed mode, adjust the window size to
|
|
// compensate for window decorations
|
|
_glfwGetFullWindowSize( width, height, &width, &height );
|
|
}
|
|
|
|
// Change window size before changing fullscreen mode?
|
|
if( _glfwWin.Fullscreen && (width > _glfwWin.Width) )
|
|
{
|
|
SetWindowPos( _glfwWin.Wnd, HWND_TOP, 0, 0, width, height,
|
|
SWP_NOOWNERZORDER | SWP_NOMOVE | SWP_NOZORDER );
|
|
sizechanged = GL_TRUE;
|
|
}
|
|
|
|
// Change fullscreen video mode?
|
|
if( _glfwWin.Fullscreen && mode != _glfwWin.ModeID )
|
|
{
|
|
// Change video mode
|
|
_glfwSetVideoModeMODE( mode );
|
|
|
|
// Clear the front buffer to black (avoid ugly desktop remains in
|
|
// our OpenGL window)
|
|
glGetIntegerv( GL_DRAW_BUFFER, &drawbuffer );
|
|
glGetFloatv( GL_COLOR_CLEAR_VALUE, clearcolor );
|
|
glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
|
|
glClear( GL_COLOR_BUFFER_BIT );
|
|
if( drawbuffer == GL_BACK )
|
|
{
|
|
_glfw_SwapBuffers( _glfwWin.DC );
|
|
}
|
|
glClearColor( clearcolor[0], clearcolor[1], clearcolor[2],
|
|
clearcolor[3] );
|
|
}
|
|
|
|
// Set window size (if not already changed)
|
|
if( !sizechanged )
|
|
{
|
|
SetWindowPos( _glfwWin.Wnd, HWND_TOP, 0, 0, width, height,
|
|
SWP_NOOWNERZORDER | SWP_NOMOVE | SWP_NOZORDER );
|
|
}
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// _glfwPlatformSetWindowPos() - Set the window position
|
|
//========================================================================
|
|
|
|
void _glfwPlatformSetWindowPos( int x, int y )
|
|
{
|
|
// Set window position
|
|
(void) SetWindowPos( _glfwWin.Wnd, HWND_TOP, x, y, 0, 0,
|
|
SWP_NOOWNERZORDER | SWP_NOSIZE | SWP_NOZORDER );
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// _glfwPlatformIconfyWindow() - Window iconification
|
|
//========================================================================
|
|
|
|
void _glfwPlatformIconifyWindow( void )
|
|
{
|
|
// Iconify window
|
|
CloseWindow( _glfwWin.Wnd );
|
|
|
|
// Window is now iconified
|
|
_glfwWin.Iconified = GL_TRUE;
|
|
|
|
// If we are in fullscreen mode we need to change video modes
|
|
if( _glfwWin.Fullscreen )
|
|
{
|
|
// Change display settings to the desktop resolution
|
|
ChangeDisplaySettings( NULL, CDS_FULLSCREEN );
|
|
}
|
|
|
|
// Unlock mouse
|
|
if( !_glfwWin.OldMouseLockValid )
|
|
{
|
|
_glfwWin.OldMouseLock = _glfwWin.MouseLock;
|
|
_glfwWin.OldMouseLockValid = GL_TRUE;
|
|
glfwEnable( GLFW_MOUSE_CURSOR );
|
|
}
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// _glfwPlatformRestoreWindow() - Window un-iconification
|
|
//========================================================================
|
|
|
|
void _glfwPlatformRestoreWindow( void )
|
|
{
|
|
// If we are in fullscreen mode we need to change video modes
|
|
if( _glfwWin.Fullscreen )
|
|
{
|
|
// Change display settings to the user selected mode
|
|
_glfwSetVideoModeMODE( _glfwWin.ModeID );
|
|
}
|
|
|
|
// Un-iconify window
|
|
OpenIcon( _glfwWin.Wnd );
|
|
|
|
// Make sure that our window ends up on top of things
|
|
ShowWindow( _glfwWin.Wnd, SW_SHOW );
|
|
_glfwSetForegroundWindow( _glfwWin.Wnd );
|
|
SetFocus( _glfwWin.Wnd );
|
|
|
|
// Window is no longer iconified
|
|
_glfwWin.Iconified = GL_FALSE;
|
|
|
|
// Lock mouse, if necessary
|
|
if( _glfwWin.OldMouseLockValid && _glfwWin.OldMouseLock )
|
|
{
|
|
glfwDisable( GLFW_MOUSE_CURSOR );
|
|
}
|
|
_glfwWin.OldMouseLockValid = GL_FALSE;
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// _glfwPlatformSwapBuffers() - Swap buffers (double-buffering)
|
|
//========================================================================
|
|
|
|
void _glfwPlatformSwapBuffers( void )
|
|
{
|
|
_glfw_SwapBuffers( _glfwWin.DC );
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// _glfwPlatformSwapInterval() - Set double buffering swap interval
|
|
//========================================================================
|
|
|
|
void _glfwPlatformSwapInterval( int interval )
|
|
{
|
|
if( _glfwWin.SwapInterval )
|
|
{
|
|
_glfwWin.SwapInterval( interval );
|
|
}
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// _glfwPlatformRefreshWindowParams()
|
|
//========================================================================
|
|
|
|
void _glfwPlatformRefreshWindowParams( void )
|
|
{
|
|
PIXELFORMATDESCRIPTOR pfd;
|
|
DEVMODE dm;
|
|
int iPixelFormat, success, mode;
|
|
|
|
// Obtain a detailed description of current pixel format
|
|
iPixelFormat = _glfw_GetPixelFormat( _glfwWin.DC );
|
|
|
|
if( !_glfwWin.GetPixelFormatAttribiv )
|
|
{
|
|
PIXELFORMATDESCRIPTOR pfd;
|
|
|
|
_glfw_DescribePixelFormat( _glfwWin.DC, iPixelFormat,
|
|
sizeof(PIXELFORMATDESCRIPTOR), &pfd );
|
|
|
|
// Is current OpenGL context accelerated?
|
|
_glfwWin.Accelerated = (pfd.dwFlags & PFD_GENERIC_ACCELERATED) ||
|
|
!(pfd.dwFlags & PFD_GENERIC_FORMAT) ? 1 : 0;
|
|
|
|
// "Standard" window parameters
|
|
_glfwWin.RedBits = pfd.cRedBits;
|
|
_glfwWin.GreenBits = pfd.cGreenBits;
|
|
_glfwWin.BlueBits = pfd.cBlueBits;
|
|
_glfwWin.AlphaBits = pfd.cAlphaBits;
|
|
_glfwWin.DepthBits = pfd.cDepthBits;
|
|
_glfwWin.StencilBits = pfd.cStencilBits;
|
|
_glfwWin.AccumRedBits = pfd.cAccumRedBits;
|
|
_glfwWin.AccumGreenBits = pfd.cAccumGreenBits;
|
|
_glfwWin.AccumBlueBits = pfd.cAccumBlueBits;
|
|
_glfwWin.AccumAlphaBits = pfd.cAccumAlphaBits;
|
|
_glfwWin.AuxBuffers = pfd.cAuxBuffers;
|
|
_glfwWin.Stereo = pfd.dwFlags & PFD_STEREO ? 1 : 0;
|
|
_glfwWin.Samples = 0;
|
|
}
|
|
else
|
|
{
|
|
const int attribs[] = {
|
|
WGL_ACCELERATION_ARB,
|
|
WGL_RED_BITS_ARB,
|
|
WGL_GREEN_BITS_ARB,
|
|
WGL_BLUE_BITS_ARB,
|
|
WGL_ALPHA_BITS_ARB,
|
|
WGL_DEPTH_BITS_ARB,
|
|
WGL_STENCIL_BITS_ARB,
|
|
WGL_ACCUM_RED_BITS_ARB,
|
|
WGL_ACCUM_GREEN_BITS_ARB,
|
|
WGL_ACCUM_BLUE_BITS_ARB,
|
|
WGL_ACCUM_ALPHA_BITS_ARB,
|
|
WGL_AUX_BUFFERS_ARB,
|
|
WGL_STEREO_ARB,
|
|
WGL_SAMPLES_ARB
|
|
};
|
|
|
|
int values[sizeof(attribs)/sizeof(attribs[0])];
|
|
|
|
_glfwWin.GetPixelFormatAttribiv( _glfwWin.DC, iPixelFormat, 0,
|
|
sizeof(attribs)/sizeof(attribs[0]),
|
|
attribs, values);
|
|
|
|
// Is current OpenGL context accelerated?
|
|
_glfwWin.Accelerated = (values[0] == WGL_FULL_ACCELERATION_ARB);
|
|
|
|
// "Standard" window parameters
|
|
_glfwWin.RedBits = values[1];
|
|
_glfwWin.GreenBits = values[2];
|
|
_glfwWin.BlueBits = values[3];
|
|
_glfwWin.AlphaBits = values[4];
|
|
_glfwWin.DepthBits = values[5];
|
|
_glfwWin.StencilBits = values[6];
|
|
_glfwWin.AccumRedBits = values[7];
|
|
_glfwWin.AccumGreenBits = values[8];
|
|
_glfwWin.AccumBlueBits = values[9];
|
|
_glfwWin.AccumAlphaBits = values[10];
|
|
_glfwWin.AuxBuffers = values[11];
|
|
_glfwWin.Stereo = values[12];
|
|
_glfwWin.Samples = values[13];
|
|
}
|
|
|
|
// Get refresh rate
|
|
mode = _glfwWin.Fullscreen ? _glfwWin.ModeID : ENUM_CURRENT_SETTINGS;
|
|
dm.dmSize = sizeof( DEVMODE );
|
|
success = EnumDisplaySettings( NULL, mode, &dm );
|
|
if( success )
|
|
{
|
|
_glfwWin.RefreshRate = dm.dmDisplayFrequency;
|
|
if( _glfwWin.RefreshRate <= 1 )
|
|
{
|
|
_glfwWin.RefreshRate = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
_glfwWin.RefreshRate = 0;
|
|
}
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// _glfwPlatformPollEvents() - Poll for new window and input events
|
|
//========================================================================
|
|
|
|
void _glfwPlatformPollEvents( void )
|
|
{
|
|
MSG msg;
|
|
int winclosed = GL_FALSE;
|
|
|
|
// Flag: mouse was not moved (will be changed by _glfwGetNextEvent if
|
|
// there was a mouse move event)
|
|
_glfwInput.MouseMoved = GL_FALSE;
|
|
if( _glfwWin.MouseLock )
|
|
{
|
|
_glfwInput.OldMouseX = _glfwWin.Width/2;
|
|
_glfwInput.OldMouseY = _glfwWin.Height/2;
|
|
}
|
|
else
|
|
{
|
|
_glfwInput.OldMouseX = _glfwInput.MousePosX;
|
|
_glfwInput.OldMouseY = _glfwInput.MousePosY;
|
|
}
|
|
|
|
// Check for new window messages
|
|
while( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) )
|
|
{
|
|
switch( msg.message )
|
|
{
|
|
// QUIT-message (from close window)?
|
|
case WM_QUIT:
|
|
winclosed = GL_TRUE;
|
|
break;
|
|
|
|
// Ok, send it to the window message handler
|
|
default:
|
|
DispatchMessage( &msg );
|
|
break;
|
|
}
|
|
}
|
|
|
|
// LSHIFT/RSHIFT fixup (keys tend to "stick" without this fix)
|
|
// This is the only async event handling in GLFW, but it solves some
|
|
// nasty problems.
|
|
// Caveat: Does not work under Win 9x/ME.
|
|
if( _glfwLibrary.Sys.WinVer >= _GLFW_WIN_NT4 )
|
|
{
|
|
int lshift_down, rshift_down;
|
|
|
|
// Get current state of left and right shift keys
|
|
lshift_down = (GetAsyncKeyState( VK_LSHIFT ) >> 15) & 1;
|
|
rshift_down = (GetAsyncKeyState( VK_RSHIFT ) >> 15) & 1;
|
|
|
|
// See if this differs from our belief of what has happened
|
|
// (we only have to check for lost key up events)
|
|
if( !lshift_down && _glfwInput.Key[ GLFW_KEY_LSHIFT ] == 1 )
|
|
{
|
|
_glfwInputKey( GLFW_KEY_LSHIFT, GLFW_RELEASE );
|
|
}
|
|
if( !rshift_down && _glfwInput.Key[ GLFW_KEY_RSHIFT ] == 1 )
|
|
{
|
|
_glfwInputKey( GLFW_KEY_RSHIFT, GLFW_RELEASE );
|
|
}
|
|
}
|
|
|
|
// Did we have mouse movement in locked cursor mode?
|
|
if( _glfwInput.MouseMoved && _glfwWin.MouseLock )
|
|
{
|
|
_glfwPlatformSetMouseCursorPos( _glfwWin.Width>>1,
|
|
_glfwWin.Height>>1 );
|
|
}
|
|
|
|
// Was there a window close request?
|
|
if( winclosed && _glfwWin.WindowCloseCallback )
|
|
{
|
|
// Check if the program wants us to close the window
|
|
winclosed = _glfwWin.WindowCloseCallback();
|
|
}
|
|
if( winclosed )
|
|
{
|
|
glfwCloseWindow();
|
|
}
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// _glfwPlatformWaitEvents() - Wait for new window and input events
|
|
//========================================================================
|
|
|
|
void _glfwPlatformWaitEvents( void )
|
|
{
|
|
// Wait for new events
|
|
WaitMessage();
|
|
|
|
// Poll new events
|
|
_glfwPlatformPollEvents();
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// Hide mouse cursor (lock it)
|
|
//========================================================================
|
|
|
|
void _glfwPlatformHideMouseCursor( void )
|
|
{
|
|
RECT ClipWindowRect;
|
|
|
|
// Hide cursor
|
|
ShowCursor( FALSE );
|
|
|
|
// Clip cursor to the window
|
|
if( GetWindowRect( _glfwWin.Wnd, &ClipWindowRect ) )
|
|
{
|
|
ClipCursor( &ClipWindowRect );
|
|
}
|
|
|
|
// Capture cursor to user window
|
|
SetCapture( _glfwWin.Wnd );
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// Show mouse cursor (unlock it)
|
|
//========================================================================
|
|
|
|
void _glfwPlatformShowMouseCursor( void )
|
|
{
|
|
// Un-capture cursor
|
|
ReleaseCapture();
|
|
|
|
// Disable cursor clipping
|
|
ClipCursor( NULL );
|
|
|
|
// Show cursor
|
|
ShowCursor( TRUE );
|
|
}
|
|
|
|
|
|
//========================================================================
|
|
// _glfwPlatformSetMouseCursorPos() - Set physical mouse cursor position
|
|
//========================================================================
|
|
|
|
void _glfwPlatformSetMouseCursorPos( int x, int y )
|
|
{
|
|
POINT pos;
|
|
|
|
// Convert client coordinates to screen coordinates
|
|
pos.x = x;
|
|
pos.y = y;
|
|
ClientToScreen( _glfwWin.Wnd, &pos );
|
|
|
|
// Change cursor position
|
|
SetCursorPos( pos.x, pos.y );
|
|
}
|
|
|