1824 lines
57 KiB
C
1824 lines
57 KiB
C
/*
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* freeglut_main.c
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*
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* The windows message processing methods.
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*
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* Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
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* Written by Pawel W. Olszta, <olszta@sourceforge.net>
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* Creation date: Fri Dec 3 1999
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is 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
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* in 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
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* OR 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
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* PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <GL/freeglut.h>
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#include "freeglut_internal.h"
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#include <errno.h>
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#include <stdarg.h>
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#if TARGET_HOST_WIN32
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# define VFPRINTF(s,f,a) vfprintf((s),(f),(a))
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#else
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# if HAVE_VPRINTF
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# define VFPRINTF(s,f,a) vfprintf((s),(f),(a))
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# elif HAVE_DOPRNT
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# define VFPRINTF(s,f,a) _doprnt((f),(a),(s))
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# else
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# define VFPRINTF(s,f,a)
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# endif
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#endif
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#if TARGET_HOST_WINCE
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typedef struct GXDisplayProperties GXDisplayProperties;
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typedef struct GXKeyList GXKeyList;
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#include <gx.h>
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typedef struct GXKeyList (*GXGETDEFAULTKEYS)(int);
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typedef int (*GXOPENINPUT)();
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GXGETDEFAULTKEYS GXGetDefaultKeys_ = NULL;
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GXOPENINPUT GXOpenInput_ = NULL;
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struct GXKeyList gxKeyList;
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#endif
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/*
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* Try to get the maximum value allowed for ints, falling back to the minimum
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* guaranteed by ISO C99 if there is no suitable header.
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*/
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#if HAVE_LIMITS_H
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# include <limits.h>
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#endif
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#ifndef INT_MAX
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# define INT_MAX 32767
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#endif
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#ifndef MIN
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#define MIN(a,b) (((a)<(b)) ? (a) : (b))
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#endif
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/*
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* TODO BEFORE THE STABLE RELEASE:
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*
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* There are some issues concerning window redrawing under X11, and maybe
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* some events are not handled. The Win32 version lacks some more features,
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* but seems acceptable for not demanding purposes.
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*
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* Need to investigate why the X11 version breaks out with an error when
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* closing a window (using the window manager, not glutDestroyWindow)...
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*/
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/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
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/*
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* Handle a window configuration change. When no reshape
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* callback is hooked, the viewport size is updated to
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* match the new window size.
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*/
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static void fghReshapeWindow ( SFG_Window *window, int width, int height )
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{
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SFG_Window *current_window = fgStructure.CurrentWindow;
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freeglut_return_if_fail( window != NULL );
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#if TARGET_HOST_UNIX_X11
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XResizeWindow( fgDisplay.Display, window->Window.Handle,
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width, height );
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XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
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#elif TARGET_HOST_WIN32
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{
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RECT winRect;
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int x, y, w, h;
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/*
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* For windowed mode, get the current position of the
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* window and resize taking the size of the frame
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* decorations into account.
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*/
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/* "GetWindowRect" returns the pixel coordinates of the outside of the window */
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GetWindowRect( window->Window.Handle, &winRect );
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x = winRect.left;
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y = winRect.top;
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w = width;
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h = height;
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if ( window->Parent == NULL )
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{
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if ( ! window->IsMenu && !window->State.IsGameMode )
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{
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w += GetSystemMetrics( SM_CXSIZEFRAME ) * 2;
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h += GetSystemMetrics( SM_CYSIZEFRAME ) * 2 +
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GetSystemMetrics( SM_CYCAPTION );
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}
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}
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else
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{
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RECT parentRect;
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GetWindowRect( window->Parent->Window.Handle, &parentRect );
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x -= parentRect.left + GetSystemMetrics( SM_CXSIZEFRAME ) * 2;
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y -= parentRect.top + GetSystemMetrics( SM_CYSIZEFRAME ) * 2 +
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GetSystemMetrics( SM_CYCAPTION );
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}
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/*
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* SWP_NOACTIVATE Do not activate the window
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* SWP_NOOWNERZORDER Do not change position in z-order
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* SWP_NOSENDCHANGING Supress WM_WINDOWPOSCHANGING message
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* SWP_NOZORDER Retains the current Z order (ignore 2nd param)
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*/
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SetWindowPos( window->Window.Handle,
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HWND_TOP,
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x, y, w, h,
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SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING |
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SWP_NOZORDER
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);
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}
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#endif
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/*
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* XXX Should update {window->State.OldWidth, window->State.OldHeight}
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* XXX to keep in lockstep with UNIX_X11 code.
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*/
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if( FETCH_WCB( *window, Reshape ) )
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INVOKE_WCB( *window, Reshape, ( width, height ) );
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else
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{
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fgSetWindow( window );
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glViewport( 0, 0, width, height );
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}
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/*
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* Force a window redraw. In Windows at least this is only a partial
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* solution: if the window is increasing in size in either dimension,
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* the already-drawn part does not get drawn again and things look funny.
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* But without this we get this bad behaviour whenever we resize the
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* window.
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*/
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window->State.Redisplay = GL_TRUE;
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if( window->IsMenu )
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fgSetWindow( current_window );
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}
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/*
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* Calls a window's redraw method. This is used when
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* a redraw is forced by the incoming window messages.
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*/
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static void fghRedrawWindow ( SFG_Window *window )
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{
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SFG_Window *current_window = fgStructure.CurrentWindow;
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freeglut_return_if_fail( window );
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freeglut_return_if_fail( FETCH_WCB ( *window, Display ) );
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window->State.Redisplay = GL_FALSE;
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freeglut_return_if_fail( window->State.Visible );
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fgSetWindow( window );
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if( window->State.NeedToResize )
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{
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fghReshapeWindow(
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window,
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window->State.Width,
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window->State.Height
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);
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window->State.NeedToResize = GL_FALSE;
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}
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INVOKE_WCB( *window, Display, ( ) );
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fgSetWindow( current_window );
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}
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/*
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* A static helper function to execute display callback for a window
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*/
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static void fghcbDisplayWindow( SFG_Window *window,
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SFG_Enumerator *enumerator )
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{
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if( window->State.Redisplay &&
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window->State.Visible )
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{
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window->State.Redisplay = GL_FALSE;
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#if TARGET_HOST_UNIX_X11
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fghRedrawWindow ( window ) ;
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#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
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RedrawWindow(
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window->Window.Handle, NULL, NULL,
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RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE | RDW_UPDATENOW
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);
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#endif
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}
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fgEnumSubWindows( window, fghcbDisplayWindow, enumerator );
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}
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/*
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* Make all windows perform a display call
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*/
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static void fghDisplayAll( void )
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{
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SFG_Enumerator enumerator;
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enumerator.found = GL_FALSE;
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enumerator.data = NULL;
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fgEnumWindows( fghcbDisplayWindow, &enumerator );
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}
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/*
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* Window enumerator callback to b2Assert for the joystick polling code
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*/
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static void fghcbCheckJoystickPolls( SFG_Window *window,
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SFG_Enumerator *enumerator )
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{
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long int checkTime = fgElapsedTime( );
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if( window->State.JoystickLastPoll + window->State.JoystickPollRate <=
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checkTime )
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{
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#if !TARGET_HOST_WINCE
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fgJoystickPollWindow( window );
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#endif /* !TARGET_HOST_WINCE */
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window->State.JoystickLastPoll = checkTime;
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}
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fgEnumSubWindows( window, fghcbCheckJoystickPolls, enumerator );
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}
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/*
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* Check all windows for joystick polling
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*/
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static void fghCheckJoystickPolls( void )
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{
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SFG_Enumerator enumerator;
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enumerator.found = GL_FALSE;
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enumerator.data = NULL;
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fgEnumWindows( fghcbCheckJoystickPolls, &enumerator );
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}
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/*
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* Check the global timers
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*/
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static void fghCheckTimers( void )
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{
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long checkTime = fgElapsedTime( );
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while( fgState.Timers.First )
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{
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SFG_Timer *timer = fgState.Timers.First;
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if( timer->TriggerTime > checkTime )
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break;
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fgListRemove( &fgState.Timers, &timer->Node );
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fgListAppend( &fgState.FreeTimers, &timer->Node );
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timer->Callback( timer->ID );
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}
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}
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/*
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* Elapsed Time
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*/
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long fgElapsedTime( void )
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{
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if ( fgState.Time.Set )
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{
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#if TARGET_HOST_UNIX_X11
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struct timeval now;
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long elapsed;
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gettimeofday( &now, NULL );
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elapsed = (now.tv_usec - fgState.Time.Value.tv_usec) / 1000;
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elapsed += (now.tv_sec - fgState.Time.Value.tv_sec) * 1000;
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return elapsed;
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#elif TARGET_HOST_WIN32
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return timeGetTime() - fgState.Time.Value;
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#elif TARGET_HOST_WINCE
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return GetTickCount() - fgState.Time.Value;
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#endif
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}
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else
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{
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#if TARGET_HOST_UNIX_X11
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gettimeofday( &fgState.Time.Value, NULL );
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#elif TARGET_HOST_WIN32
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fgState.Time.Value = timeGetTime ();
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#elif TARGET_HOST_WINCE
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fgState.Time.Value = GetTickCount();
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#endif
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fgState.Time.Set = GL_TRUE ;
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return 0 ;
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}
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}
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/*
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* Error Messages.
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*/
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void fgError( const char *fmt, ... )
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{
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va_list ap;
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va_start( ap, fmt );
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fprintf( stderr, "freeglut ");
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if( fgState.ProgramName )
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fprintf( stderr, "(%s): ", fgState.ProgramName );
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VFPRINTF( stderr, fmt, ap );
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fprintf( stderr, "\n" );
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va_end( ap );
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if ( fgState.Initialised )
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fgDeinitialize ();
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exit( 1 );
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}
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void fgWarning( const char *fmt, ... )
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{
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va_list ap;
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va_start( ap, fmt );
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fprintf( stderr, "freeglut ");
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if( fgState.ProgramName )
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fprintf( stderr, "(%s): ", fgState.ProgramName );
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VFPRINTF( stderr, fmt, ap );
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fprintf( stderr, "\n" );
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va_end( ap );
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}
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/*
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* Indicates whether Joystick events are being used by ANY window.
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*
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* The current mechanism is to walk all of the windows and ask if
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* there is a joystick callback. We have a short-circuit early
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* return if we find any joystick handler registered.
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*
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* The real way to do this is to make use of the glutTimer() API
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* to more cleanly re-implement the joystick API. Then, this code
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* and all other "joystick timer" code can be yanked.
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*
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*/
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static void fghCheckJoystickCallback( SFG_Window* w, SFG_Enumerator* e)
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{
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if( FETCH_WCB( *w, Joystick ) )
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{
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e->found = GL_TRUE;
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e->data = w;
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}
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fgEnumSubWindows( w, fghCheckJoystickCallback, e );
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}
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static int fghHaveJoystick( void )
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{
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SFG_Enumerator enumerator;
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enumerator.found = GL_FALSE;
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enumerator.data = NULL;
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fgEnumWindows( fghCheckJoystickCallback, &enumerator );
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return !!enumerator.data;
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}
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static void fghHavePendingRedisplaysCallback( SFG_Window* w, SFG_Enumerator* e)
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{
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if( w->State.Redisplay )
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{
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e->found = GL_TRUE;
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e->data = w;
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}
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fgEnumSubWindows( w, fghHavePendingRedisplaysCallback, e );
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}
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static int fghHavePendingRedisplays (void)
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{
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SFG_Enumerator enumerator;
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enumerator.found = GL_FALSE;
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enumerator.data = NULL;
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fgEnumWindows( fghHavePendingRedisplaysCallback, &enumerator );
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return !!enumerator.data;
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}
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/*
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* Returns the number of GLUT ticks (milliseconds) till the next timer event.
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*/
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static long fghNextTimer( void )
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{
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long ret = INT_MAX;
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SFG_Timer *timer = fgState.Timers.First;
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if( timer )
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ret = timer->TriggerTime - fgElapsedTime();
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if( ret < 0 )
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ret = 0;
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return ret;
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}
|
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/*
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* Does the magic required to relinquish the CPU until something interesting
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* happens.
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*/
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static void fghSleepForEvents( void )
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{
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long msec;
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if( fgState.IdleCallback || fghHavePendingRedisplays( ) )
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return;
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msec = fghNextTimer( );
|
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/* XXX Use GLUT timers for joysticks... */
|
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/* XXX Dumb; forces granularity to .01sec */
|
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if( fghHaveJoystick( ) && ( msec > 10 ) )
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msec = 10;
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|
|
#if TARGET_HOST_UNIX_X11
|
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/*
|
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* Possibly due to aggressive use of XFlush() and friends,
|
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* it is possible to have our socket drained but still have
|
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* unprocessed events. (Or, this may just be normal with
|
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* X, anyway?) We do non-trivial processing of X events
|
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* after the event-reading loop, in any case, so we
|
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* need to allow that we may have an empty socket but non-
|
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* empty event queue.
|
|
*/
|
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if( ! XPending( fgDisplay.Display ) )
|
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{
|
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fd_set fdset;
|
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int err;
|
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int socket;
|
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struct timeval wait;
|
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|
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socket = ConnectionNumber( fgDisplay.Display );
|
|
FD_ZERO( &fdset );
|
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FD_SET( socket, &fdset );
|
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wait.tv_sec = msec / 1000;
|
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wait.tv_usec = (msec % 1000) * 1000;
|
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err = select( socket+1, &fdset, NULL, NULL, &wait );
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|
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if( ( -1 == err ) && ( errno != EINTR ) )
|
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fgWarning ( "freeglut select() error: %d", errno );
|
|
}
|
|
#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
|
|
MsgWaitForMultipleObjects( 0, NULL, FALSE, msec, QS_ALLEVENTS );
|
|
#endif
|
|
}
|
|
|
|
#if TARGET_HOST_UNIX_X11
|
|
/*
|
|
* Returns GLUT modifier mask for an XEvent.
|
|
*/
|
|
static int fghGetXModifiers( XEvent *event )
|
|
{
|
|
int ret = 0;
|
|
|
|
if( event->xkey.state & ( ShiftMask | LockMask ) )
|
|
ret |= GLUT_ACTIVE_SHIFT;
|
|
if( event->xkey.state & ControlMask )
|
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ret |= GLUT_ACTIVE_CTRL;
|
|
if( event->xkey.state & Mod1Mask )
|
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ret |= GLUT_ACTIVE_ALT;
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|
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return ret;
|
|
}
|
|
#endif
|
|
|
|
|
|
/* -- INTERFACE FUNCTIONS -------------------------------------------------- */
|
|
|
|
/*
|
|
* Executes a single iteration in the freeglut processing loop.
|
|
*/
|
|
void FGAPIENTRY glutMainLoopEvent( void )
|
|
{
|
|
#if TARGET_HOST_UNIX_X11
|
|
SFG_Window* window;
|
|
XEvent event;
|
|
|
|
/* This code was repeated constantly, so here it goes into a definition: */
|
|
#define GETWINDOW(a) \
|
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window = fgWindowByHandle( event.a.window ); \
|
|
if( window == NULL ) \
|
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break;
|
|
|
|
#define GETMOUSE(a) \
|
|
window->State.MouseX = event.a.x; \
|
|
window->State.MouseY = event.a.y;
|
|
|
|
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" );
|
|
|
|
while( XPending( fgDisplay.Display ) )
|
|
{
|
|
XNextEvent( fgDisplay.Display, &event );
|
|
|
|
switch( event.type )
|
|
{
|
|
case ClientMessage:
|
|
/* Destroy the window when the WM_DELETE_WINDOW message arrives */
|
|
if( (Atom) event.xclient.data.l[ 0 ] == fgDisplay.DeleteWindow )
|
|
{
|
|
GETWINDOW( xclient );
|
|
|
|
fgDestroyWindow ( window );
|
|
|
|
if( fgState.ActionOnWindowClose == GLUT_ACTION_EXIT )
|
|
{
|
|
fgDeinitialize( );
|
|
exit( 0 );
|
|
}
|
|
else if( fgState.ActionOnWindowClose == GLUT_ACTION_GLUTMAINLOOP_RETURNS )
|
|
fgState.ExecState = GLUT_EXEC_STATE_STOP;
|
|
|
|
return;
|
|
}
|
|
break;
|
|
|
|
/*
|
|
* CreateNotify causes a configure-event so that sub-windows are
|
|
* handled compatibly with GLUT. Otherwise, your sub-windows
|
|
* (in freeglut only) will not get an initial reshape event,
|
|
* which can break things.
|
|
*
|
|
* GLUT presumably does this because it generally tries to treat
|
|
* sub-windows the same as windows.
|
|
*
|
|
* XXX Technically, GETWINDOW( xconfigure ) and
|
|
* XXX {event.xconfigure} may not be legit ways to get at
|
|
* XXX data for CreateNotify events. In practice, the data
|
|
* XXX is in a union which is laid out much the same either
|
|
* XXX way. But if you want to split hairs, this isn't legit,
|
|
* XXX and we should instead duplicate some code.
|
|
*/
|
|
case CreateNotify:
|
|
case ConfigureNotify:
|
|
GETWINDOW( xconfigure );
|
|
{
|
|
int width = event.xconfigure.width;
|
|
int height = event.xconfigure.height;
|
|
|
|
if( ( width != window->State.OldWidth ) ||
|
|
( height != window->State.OldHeight ) )
|
|
{
|
|
SFG_Window *current_window = fgStructure.CurrentWindow;
|
|
|
|
window->State.OldWidth = width;
|
|
window->State.OldHeight = height;
|
|
if( FETCH_WCB( *window, Reshape ) )
|
|
INVOKE_WCB( *window, Reshape, ( width, height ) );
|
|
else
|
|
{
|
|
fgSetWindow( window );
|
|
glViewport( 0, 0, width, height );
|
|
}
|
|
glutPostRedisplay( );
|
|
if( window->IsMenu )
|
|
fgSetWindow( current_window );
|
|
}
|
|
}
|
|
break;
|
|
|
|
case DestroyNotify:
|
|
/*
|
|
* This is sent to confirm the XDestroyWindow call.
|
|
*
|
|
* XXX WHY is this commented out? Should we re-enable it?
|
|
*/
|
|
/* fgAddToWindowDestroyList ( window ); */
|
|
break;
|
|
|
|
case Expose:
|
|
/*
|
|
* We are too dumb to process partial exposes...
|
|
*
|
|
* XXX Well, we could do it. However, it seems to only
|
|
* XXX be potentially useful for single-buffered (since
|
|
* XXX double-buffered does not respect viewport when we
|
|
* XXX do a buffer-swap).
|
|
*
|
|
*/
|
|
if( event.xexpose.count == 0 )
|
|
{
|
|
GETWINDOW( xexpose );
|
|
window->State.Redisplay = GL_TRUE;
|
|
}
|
|
break;
|
|
|
|
case MapNotify:
|
|
case UnmapNotify:
|
|
/*
|
|
* If we never do anything with this, can we just not ask to
|
|
* get these messages?
|
|
*/
|
|
break;
|
|
|
|
case MappingNotify:
|
|
/*
|
|
* Have the client's keyboard knowledge updated (xlib.ps,
|
|
* page 206, says that's a good thing to do)
|
|
*/
|
|
XRefreshKeyboardMapping( (XMappingEvent *) &event );
|
|
break;
|
|
|
|
case VisibilityNotify:
|
|
{
|
|
GETWINDOW( xvisibility );
|
|
/*
|
|
* XXX INVOKE_WCB() does this b2Assert for us.
|
|
*/
|
|
if( ! FETCH_WCB( *window, WindowStatus ) )
|
|
break;
|
|
fgSetWindow( window );
|
|
|
|
/*
|
|
* Sending this event, the X server can notify us that the window
|
|
* has just acquired one of the three possible visibility states:
|
|
* VisibilityUnobscured, VisibilityPartiallyObscured or
|
|
* VisibilityFullyObscured
|
|
*/
|
|
switch( event.xvisibility.state )
|
|
{
|
|
case VisibilityUnobscured:
|
|
INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_RETAINED ) );
|
|
window->State.Visible = GL_TRUE;
|
|
break;
|
|
|
|
case VisibilityPartiallyObscured:
|
|
INVOKE_WCB( *window, WindowStatus,
|
|
( GLUT_PARTIALLY_RETAINED ) );
|
|
window->State.Visible = GL_TRUE;
|
|
break;
|
|
|
|
case VisibilityFullyObscured:
|
|
INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_COVERED ) );
|
|
window->State.Visible = GL_FALSE;
|
|
break;
|
|
|
|
default:
|
|
fgWarning( "Unknown X visibility state: %d",
|
|
event.xvisibility.state );
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case EnterNotify:
|
|
case LeaveNotify:
|
|
GETWINDOW( xcrossing );
|
|
GETMOUSE( xcrossing );
|
|
if( ( event.type == LeaveNotify ) && window->IsMenu &&
|
|
window->ActiveMenu && window->ActiveMenu->IsActive )
|
|
fgUpdateMenuHighlight( window->ActiveMenu );
|
|
|
|
INVOKE_WCB( *window, Entry, ( ( EnterNotify == event.type ) ?
|
|
GLUT_ENTERED :
|
|
GLUT_LEFT ) );
|
|
break;
|
|
|
|
case MotionNotify:
|
|
{
|
|
GETWINDOW( xmotion );
|
|
GETMOUSE( xmotion );
|
|
|
|
if( window->ActiveMenu )
|
|
{
|
|
if( window == window->ActiveMenu->ParentWindow )
|
|
{
|
|
window->ActiveMenu->Window->State.MouseX =
|
|
event.xmotion.x_root - window->ActiveMenu->X;
|
|
window->ActiveMenu->Window->State.MouseY =
|
|
event.xmotion.y_root - window->ActiveMenu->Y;
|
|
}
|
|
|
|
fgUpdateMenuHighlight( window->ActiveMenu );
|
|
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* XXX For more than 5 buttons, just b2Assert {event.xmotion.state},
|
|
* XXX rather than a host of bit-masks? Or maybe we need to
|
|
* XXX track ButtonPress/ButtonRelease events in our own
|
|
* XXX bit-mask?
|
|
*/
|
|
#define BUTTON_MASK \
|
|
( Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask )
|
|
if ( event.xmotion.state & BUTTON_MASK )
|
|
INVOKE_WCB( *window, Motion, ( event.xmotion.x,
|
|
event.xmotion.y ) );
|
|
else
|
|
INVOKE_WCB( *window, Passive, ( event.xmotion.x,
|
|
event.xmotion.y ) );
|
|
}
|
|
break;
|
|
|
|
case ButtonRelease:
|
|
case ButtonPress:
|
|
{
|
|
GLboolean pressed = GL_TRUE;
|
|
int button;
|
|
|
|
if( event.type == ButtonRelease )
|
|
pressed = GL_FALSE ;
|
|
|
|
/*
|
|
* A mouse button has been pressed or released. Traditionally,
|
|
* break if the window was found within the freeglut structures.
|
|
*/
|
|
GETWINDOW( xbutton );
|
|
GETMOUSE( xbutton );
|
|
|
|
/*
|
|
* An X button (at least in XFree86) is numbered from 1.
|
|
* A GLUT button is numbered from 0.
|
|
* Old GLUT passed through buttons other than just the first
|
|
* three, though it only gave symbolic names and official
|
|
* support to the first three.
|
|
*/
|
|
button = event.xbutton.button - 1;
|
|
|
|
/*
|
|
* Do not execute the application's mouse callback if a menu
|
|
* is hooked to this button. In that case an appropriate
|
|
* private call should be generated.
|
|
*/
|
|
if( fgCheckActiveMenu( window, button, pressed,
|
|
event.xbutton.x_root, event.xbutton.y_root ) )
|
|
break;
|
|
|
|
/*
|
|
* Check if there is a mouse or mouse wheel callback hooked to the
|
|
* window
|
|
*/
|
|
if( ! FETCH_WCB( *window, Mouse ) &&
|
|
! FETCH_WCB( *window, MouseWheel ) )
|
|
break;
|
|
|
|
fgState.Modifiers = fghGetXModifiers( &event );
|
|
|
|
/* Finally execute the mouse or mouse wheel callback */
|
|
if( ( button < glutDeviceGet ( GLUT_NUM_MOUSE_BUTTONS ) ) || ( ! FETCH_WCB( *window, MouseWheel ) ) )
|
|
INVOKE_WCB( *window, Mouse, ( button,
|
|
pressed ? GLUT_DOWN : GLUT_UP,
|
|
event.xbutton.x,
|
|
event.xbutton.y )
|
|
);
|
|
else
|
|
{
|
|
/*
|
|
* Map 4 and 5 to wheel zero; EVEN to +1, ODD to -1
|
|
* " 6 and 7 " " one; ...
|
|
*
|
|
* XXX This *should* be behind some variables/macros,
|
|
* XXX since the order and numbering isn't certain
|
|
* XXX See XFree86 configuration docs (even back in the
|
|
* XXX 3.x days, and especially with 4.x).
|
|
*
|
|
* XXX Note that {button} has already been decremeted
|
|
* XXX in mapping from X button numbering to GLUT.
|
|
*/
|
|
int wheel_number = (button - glutDeviceGet ( GLUT_NUM_MOUSE_BUTTONS )) / 2;
|
|
int direction = -1;
|
|
if( button % 2 )
|
|
direction = 1;
|
|
|
|
if( pressed )
|
|
INVOKE_WCB( *window, MouseWheel, ( wheel_number,
|
|
direction,
|
|
event.xbutton.x,
|
|
event.xbutton.y )
|
|
);
|
|
}
|
|
|
|
/* Trash the modifiers state */
|
|
fgState.Modifiers = 0xffffffff;
|
|
}
|
|
break;
|
|
|
|
case KeyRelease:
|
|
case KeyPress:
|
|
{
|
|
FGCBKeyboard keyboard_cb;
|
|
FGCBSpecial special_cb;
|
|
|
|
GETWINDOW( xkey );
|
|
GETMOUSE( xkey );
|
|
|
|
/* Detect auto repeated keys, if configured globally or per-window */
|
|
|
|
if ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE )
|
|
{
|
|
if (event.type==KeyRelease)
|
|
{
|
|
/*
|
|
* Look at X11 keystate to detect repeat mode.
|
|
* While X11 says the key is actually held down, we'll ignore KeyRelease/KeyPress pairs.
|
|
*/
|
|
|
|
char keys[32];
|
|
XQueryKeymap( fgDisplay.Display, keys ); /* Look at X11 keystate to detect repeat mode */
|
|
|
|
if ( event.xkey.keycode<256 ) /* XQueryKeymap is limited to 256 keycodes */
|
|
{
|
|
if ( keys[event.xkey.keycode>>3] & (1<<(event.xkey.keycode%8)) )
|
|
window->State.KeyRepeating = GL_TRUE;
|
|
else
|
|
window->State.KeyRepeating = GL_FALSE;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
window->State.KeyRepeating = GL_FALSE;
|
|
|
|
/* Cease processing this event if it is auto repeated */
|
|
|
|
if (window->State.KeyRepeating)
|
|
break;
|
|
|
|
if( event.type == KeyPress )
|
|
{
|
|
keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, Keyboard ));
|
|
special_cb = (FGCBSpecial) ( FETCH_WCB( *window, Special ));
|
|
}
|
|
else
|
|
{
|
|
keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, KeyboardUp ));
|
|
special_cb = (FGCBSpecial) ( FETCH_WCB( *window, SpecialUp ));
|
|
}
|
|
|
|
/* Is there a keyboard/special callback hooked for this window? */
|
|
if( keyboard_cb || special_cb )
|
|
{
|
|
XComposeStatus composeStatus;
|
|
char asciiCode[ 32 ];
|
|
KeySym keySym;
|
|
int len;
|
|
|
|
/* Check for the ASCII/KeySym codes associated with the event: */
|
|
len = XLookupString( &event.xkey, asciiCode, sizeof(asciiCode),
|
|
&keySym, &composeStatus
|
|
);
|
|
|
|
/* GLUT API tells us to have two separate callbacks... */
|
|
if( len > 0 )
|
|
{
|
|
/* ...one for the ASCII translateable keypresses... */
|
|
if( keyboard_cb )
|
|
{
|
|
fgSetWindow( window );
|
|
fgState.Modifiers = fghGetXModifiers( &event );
|
|
keyboard_cb( asciiCode[ 0 ],
|
|
event.xkey.x, event.xkey.y
|
|
);
|
|
fgState.Modifiers = 0xffffffff;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int special = -1;
|
|
|
|
/*
|
|
* ...and one for all the others, which need to be
|
|
* translated to GLUT_KEY_Xs...
|
|
*/
|
|
switch( keySym )
|
|
{
|
|
case XK_F1: special = GLUT_KEY_F1; break;
|
|
case XK_F2: special = GLUT_KEY_F2; break;
|
|
case XK_F3: special = GLUT_KEY_F3; break;
|
|
case XK_F4: special = GLUT_KEY_F4; break;
|
|
case XK_F5: special = GLUT_KEY_F5; break;
|
|
case XK_F6: special = GLUT_KEY_F6; break;
|
|
case XK_F7: special = GLUT_KEY_F7; break;
|
|
case XK_F8: special = GLUT_KEY_F8; break;
|
|
case XK_F9: special = GLUT_KEY_F9; break;
|
|
case XK_F10: special = GLUT_KEY_F10; break;
|
|
case XK_F11: special = GLUT_KEY_F11; break;
|
|
case XK_F12: special = GLUT_KEY_F12; break;
|
|
|
|
case XK_Left: special = GLUT_KEY_LEFT; break;
|
|
case XK_Right: special = GLUT_KEY_RIGHT; break;
|
|
case XK_Up: special = GLUT_KEY_UP; break;
|
|
case XK_Down: special = GLUT_KEY_DOWN; break;
|
|
|
|
case XK_KP_Prior:
|
|
case XK_Prior: special = GLUT_KEY_PAGE_UP; break;
|
|
case XK_KP_Next:
|
|
case XK_Next: special = GLUT_KEY_PAGE_DOWN; break;
|
|
case XK_KP_Home:
|
|
case XK_Home: special = GLUT_KEY_HOME; break;
|
|
case XK_KP_End:
|
|
case XK_End: special = GLUT_KEY_END; break;
|
|
case XK_KP_Insert:
|
|
case XK_Insert: special = GLUT_KEY_INSERT; break;
|
|
}
|
|
|
|
/*
|
|
* Execute the callback (if one has been specified),
|
|
* given that the special code seems to be valid...
|
|
*/
|
|
if( special_cb && (special != -1) )
|
|
{
|
|
fgSetWindow( window );
|
|
fgState.Modifiers = fghGetXModifiers( &event );
|
|
special_cb( special, event.xkey.x, event.xkey.y );
|
|
fgState.Modifiers = 0xffffffff;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ReparentNotify:
|
|
break; /* XXX Should disable this event */
|
|
|
|
default:
|
|
fgWarning ("Unknown X event type: %d", event.type);
|
|
break;
|
|
}
|
|
}
|
|
|
|
#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
|
|
|
|
MSG stMsg;
|
|
|
|
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" );
|
|
|
|
while( PeekMessage( &stMsg, NULL, 0, 0, PM_NOREMOVE ) )
|
|
{
|
|
if( GetMessage( &stMsg, NULL, 0, 0 ) == 0 )
|
|
{
|
|
if( fgState.ActionOnWindowClose == GLUT_ACTION_EXIT )
|
|
{
|
|
fgDeinitialize( );
|
|
exit( 0 );
|
|
}
|
|
else if( fgState.ActionOnWindowClose == GLUT_ACTION_GLUTMAINLOOP_RETURNS )
|
|
fgState.ExecState = GLUT_EXEC_STATE_STOP;
|
|
|
|
return;
|
|
}
|
|
|
|
TranslateMessage( &stMsg );
|
|
DispatchMessage( &stMsg );
|
|
}
|
|
#endif
|
|
|
|
if( fgState.Timers.First )
|
|
fghCheckTimers( );
|
|
fghCheckJoystickPolls( );
|
|
fghDisplayAll( );
|
|
|
|
fgCloseWindows( );
|
|
}
|
|
|
|
/*
|
|
* Enters the freeglut processing loop.
|
|
* Stays until the "ExecState" changes to "GLUT_EXEC_STATE_STOP".
|
|
*/
|
|
void FGAPIENTRY glutMainLoop( void )
|
|
{
|
|
int action;
|
|
|
|
#if TARGET_HOST_WIN32 || TARGET_HOST_WINCE
|
|
SFG_Window *window = (SFG_Window *)fgStructure.Windows.First ;
|
|
#endif
|
|
|
|
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoop" );
|
|
|
|
#if TARGET_HOST_WIN32 || TARGET_HOST_WINCE
|
|
/*
|
|
* Processing before the main loop: If there is a window which is open and
|
|
* which has a visibility callback, call it. I know this is an ugly hack,
|
|
* but I'm not sure what else to do about it. Ideally we should leave
|
|
* something uninitialized in the create window code and initialize it in
|
|
* the main loop, and have that initialization create a "WM_ACTIVATE"
|
|
* message. Then we would put the visibility callback code in the
|
|
* "case WM_ACTIVATE" block below. - John Fay -- 10/24/02
|
|
*/
|
|
while( window )
|
|
{
|
|
if ( FETCH_WCB( *window, Visibility ) )
|
|
{
|
|
SFG_Window *current_window = fgStructure.CurrentWindow ;
|
|
|
|
INVOKE_WCB( *window, Visibility, ( window->State.Visible ) );
|
|
fgSetWindow( current_window );
|
|
}
|
|
|
|
window = (SFG_Window *)window->Node.Next ;
|
|
}
|
|
#endif
|
|
|
|
fgState.ExecState = GLUT_EXEC_STATE_RUNNING ;
|
|
while( fgState.ExecState == GLUT_EXEC_STATE_RUNNING )
|
|
{
|
|
SFG_Window *window;
|
|
|
|
glutMainLoopEvent( );
|
|
/*
|
|
* Step through the list of windows, seeing if there are any
|
|
* that are not menus
|
|
*/
|
|
for( window = ( SFG_Window * )fgStructure.Windows.First;
|
|
window;
|
|
window = ( SFG_Window * )window->Node.Next )
|
|
if ( ! ( window->IsMenu ) )
|
|
break;
|
|
|
|
if( ! window )
|
|
fgState.ExecState = GLUT_EXEC_STATE_STOP;
|
|
else
|
|
{
|
|
if( fgState.IdleCallback )
|
|
{
|
|
if( fgStructure.CurrentWindow &&
|
|
fgStructure.CurrentWindow->IsMenu )
|
|
/* fail safe */
|
|
fgSetWindow( window );
|
|
fgState.IdleCallback( );
|
|
}
|
|
|
|
fghSleepForEvents( );
|
|
}
|
|
}
|
|
|
|
/*
|
|
* When this loop terminates, destroy the display, state and structure
|
|
* of a freeglut session, so that another glutInit() call can happen
|
|
*
|
|
* Save the "ActionOnWindowClose" because "fgDeinitialize" resets it.
|
|
*/
|
|
action = fgState.ActionOnWindowClose;
|
|
fgDeinitialize( );
|
|
if( action == GLUT_ACTION_EXIT )
|
|
exit( 0 );
|
|
}
|
|
|
|
/*
|
|
* Leaves the freeglut processing loop.
|
|
*/
|
|
void FGAPIENTRY glutLeaveMainLoop( void )
|
|
{
|
|
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutLeaveMainLoop" );
|
|
fgState.ExecState = GLUT_EXEC_STATE_STOP ;
|
|
}
|
|
|
|
|
|
#if TARGET_HOST_WIN32 || TARGET_HOST_WINCE
|
|
/*
|
|
* Determine a GLUT modifer mask based on MS-WINDOWS system info.
|
|
*/
|
|
static int fghGetWin32Modifiers (void)
|
|
{
|
|
return
|
|
( ( ( GetKeyState( VK_LSHIFT ) < 0 ) ||
|
|
( GetKeyState( VK_RSHIFT ) < 0 )) ? GLUT_ACTIVE_SHIFT : 0 ) |
|
|
( ( ( GetKeyState( VK_LCONTROL ) < 0 ) ||
|
|
( GetKeyState( VK_RCONTROL ) < 0 )) ? GLUT_ACTIVE_CTRL : 0 ) |
|
|
( ( ( GetKeyState( VK_LMENU ) < 0 ) ||
|
|
( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 );
|
|
}
|
|
|
|
/*
|
|
* The window procedure for handling Win32 events
|
|
*/
|
|
LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
|
|
LPARAM lParam )
|
|
{
|
|
SFG_Window* window;
|
|
PAINTSTRUCT ps;
|
|
LONG lRet = 1;
|
|
|
|
FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ;
|
|
|
|
window = fgWindowByHandle( hWnd );
|
|
|
|
if ( ( window == NULL ) && ( uMsg != WM_CREATE ) )
|
|
return DefWindowProc( hWnd, uMsg, wParam, lParam );
|
|
|
|
/* printf ( "Window %3d message <%04x> %12d %12d\n", window?window->ID:0,
|
|
uMsg, wParam, lParam ); */
|
|
switch( uMsg )
|
|
{
|
|
case WM_CREATE:
|
|
/* The window structure is passed as the creation structure paramter... */
|
|
window = (SFG_Window *) (((LPCREATESTRUCT) lParam)->lpCreateParams);
|
|
FREEGLUT_INTERNAL_ERROR_EXIT ( ( window != NULL ), "Cannot create window",
|
|
"fgWindowProc" );
|
|
|
|
window->Window.Handle = hWnd;
|
|
window->Window.Device = GetDC( hWnd );
|
|
if( window->IsMenu )
|
|
{
|
|
unsigned int current_DisplayMode = fgState.DisplayMode;
|
|
fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH;
|
|
#if !TARGET_HOST_WINCE
|
|
fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
|
|
#endif
|
|
fgState.DisplayMode = current_DisplayMode;
|
|
|
|
if( fgStructure.MenuContext )
|
|
wglMakeCurrent( window->Window.Device,
|
|
fgStructure.MenuContext->Context
|
|
);
|
|
else
|
|
{
|
|
fgStructure.MenuContext =
|
|
(SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
|
|
fgStructure.MenuContext->Context =
|
|
wglCreateContext( window->Window.Device );
|
|
}
|
|
|
|
/* window->Window.Context = wglGetCurrentContext (); */
|
|
window->Window.Context = wglCreateContext( window->Window.Device );
|
|
}
|
|
else
|
|
{
|
|
#if !TARGET_HOST_WINCE
|
|
fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
|
|
#endif
|
|
|
|
if( ! fgState.UseCurrentContext )
|
|
window->Window.Context =
|
|
wglCreateContext( window->Window.Device );
|
|
else
|
|
{
|
|
window->Window.Context = wglGetCurrentContext( );
|
|
if( ! window->Window.Context )
|
|
window->Window.Context =
|
|
wglCreateContext( window->Window.Device );
|
|
}
|
|
}
|
|
|
|
window->State.NeedToResize = GL_TRUE;
|
|
window->State.Width = fgState.Size.X;
|
|
window->State.Height = fgState.Size.Y;
|
|
|
|
ReleaseDC( window->Window.Handle, window->Window.Device );
|
|
|
|
#if TARGET_HOST_WINCE
|
|
/* Take over button handling */
|
|
{
|
|
HINSTANCE dxDllLib=LoadLibrary(_T("gx.dll"));
|
|
if (dxDllLib)
|
|
{
|
|
GXGetDefaultKeys_=(GXGETDEFAULTKEYS)GetProcAddress(dxDllLib, _T("?GXGetDefaultKeys@@YA?AUGXKeyList@@H@Z"));
|
|
GXOpenInput_=(GXOPENINPUT)GetProcAddress(dxDllLib, _T("?GXOpenInput@@YAHXZ"));
|
|
}
|
|
|
|
if(GXOpenInput_)
|
|
(*GXOpenInput_)();
|
|
if(GXGetDefaultKeys_)
|
|
gxKeyList = (*GXGetDefaultKeys_)(GX_LANDSCAPEKEYS);
|
|
}
|
|
|
|
#endif /* TARGET_HOST_WINCE */
|
|
break;
|
|
|
|
case WM_SIZE:
|
|
/*
|
|
* If the window is visible, then it is the user manually resizing it.
|
|
* If it is not, then it is the system sending us a dummy resize with
|
|
* zero dimensions on a "glutIconifyWindow" call.
|
|
*/
|
|
if( window->State.Visible )
|
|
{
|
|
window->State.NeedToResize = GL_TRUE;
|
|
#if TARGET_HOST_WINCE
|
|
window->State.Width = HIWORD(lParam);
|
|
window->State.Height = LOWORD(lParam);
|
|
#else
|
|
window->State.Width = LOWORD(lParam);
|
|
window->State.Height = HIWORD(lParam);
|
|
#endif /* TARGET_HOST_WINCE */
|
|
}
|
|
|
|
break;
|
|
#if 0
|
|
case WM_SETFOCUS:
|
|
/* printf("WM_SETFOCUS: %p\n", window ); */
|
|
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
|
|
break;
|
|
|
|
case WM_ACTIVATE:
|
|
if (LOWORD(wParam) != WA_INACTIVE)
|
|
{
|
|
/* printf("WM_ACTIVATE: fgSetCursor( %p, %d)\n", window,
|
|
window->State.Cursor ); */
|
|
fgSetCursor( window, window->State.Cursor );
|
|
}
|
|
|
|
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
|
|
break;
|
|
#endif
|
|
|
|
case WM_SETCURSOR:
|
|
/* printf ( "Cursor event %x %x %x %x\n", window, window->State.Cursor, lParam, wParam ) ; */
|
|
if( LOWORD( lParam ) == HTCLIENT )
|
|
fgSetCursor ( window, window->State.Cursor ) ;
|
|
else
|
|
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
|
|
break;
|
|
|
|
case WM_SHOWWINDOW:
|
|
window->State.Visible = GL_TRUE;
|
|
window->State.Redisplay = GL_TRUE;
|
|
break;
|
|
|
|
case WM_PAINT:
|
|
/* Turn on the visibility in case it was turned off somehow */
|
|
window->State.Visible = GL_TRUE;
|
|
BeginPaint( hWnd, &ps );
|
|
fghRedrawWindow( window );
|
|
EndPaint( hWnd, &ps );
|
|
break;
|
|
|
|
case WM_CLOSE:
|
|
fgDestroyWindow ( window );
|
|
if ( fgState.ActionOnWindowClose != GLUT_ACTION_CONTINUE_EXECUTION )
|
|
PostQuitMessage(0);
|
|
break;
|
|
|
|
case WM_DESTROY:
|
|
/*
|
|
* The window already got destroyed, so don't bother with it.
|
|
*/
|
|
return 0;
|
|
|
|
/* XXX For a future patch: we need a mouse entry event. Unfortunately Windows
|
|
* XXX doesn't give us one, so we will probably need a "MouseInWindow" flag in
|
|
* XXX the SFG_Window structure. Set it to true to begin with and then have the
|
|
* XXX WM_MOUSELEAVE code set it to false. Then when we get a WM_MOUSEMOVE event,
|
|
* XXX if the flag is false we invoke the Entry callback and set the flag to true.
|
|
*/
|
|
case 0x02a2: /* This is the message we get when the mouse is leaving the window */
|
|
if( window->IsMenu &&
|
|
window->ActiveMenu && window->ActiveMenu->IsActive )
|
|
fgUpdateMenuHighlight( window->ActiveMenu );
|
|
|
|
INVOKE_WCB( *window, Entry, ( GLUT_LEFT ) );
|
|
break ;
|
|
|
|
case WM_MOUSEMOVE:
|
|
{
|
|
#if TARGET_HOST_WINCE
|
|
window->State.MouseX = 320-HIWORD( lParam );
|
|
window->State.MouseY = LOWORD( lParam );
|
|
#else
|
|
window->State.MouseX = LOWORD( lParam );
|
|
window->State.MouseY = HIWORD( lParam );
|
|
#endif /* TARGET_HOST_WINCE */
|
|
/* Restrict to [-32768, 32767] to match X11 behaviour */
|
|
/* See comment in "freeglut_developer" mailing list 10/4/04 */
|
|
if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
|
|
if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
|
|
|
|
if ( window->ActiveMenu )
|
|
{
|
|
fgUpdateMenuHighlight( window->ActiveMenu );
|
|
break;
|
|
}
|
|
|
|
fgState.Modifiers = fghGetWin32Modifiers( );
|
|
|
|
if( ( wParam & MK_LBUTTON ) ||
|
|
( wParam & MK_MBUTTON ) ||
|
|
( wParam & MK_RBUTTON ) )
|
|
INVOKE_WCB( *window, Motion, ( window->State.MouseX,
|
|
window->State.MouseY ) );
|
|
else
|
|
INVOKE_WCB( *window, Passive, ( window->State.MouseX,
|
|
window->State.MouseY ) );
|
|
|
|
fgState.Modifiers = 0xffffffff;
|
|
}
|
|
break;
|
|
|
|
case WM_LBUTTONDOWN:
|
|
case WM_MBUTTONDOWN:
|
|
case WM_RBUTTONDOWN:
|
|
case WM_LBUTTONUP:
|
|
case WM_MBUTTONUP:
|
|
case WM_RBUTTONUP:
|
|
{
|
|
GLboolean pressed = GL_TRUE;
|
|
int button;
|
|
|
|
#if TARGET_HOST_WINCE
|
|
window->State.MouseX = 320-HIWORD( lParam );
|
|
window->State.MouseY = LOWORD( lParam );
|
|
#else
|
|
window->State.MouseX = LOWORD( lParam );
|
|
window->State.MouseY = HIWORD( lParam );
|
|
#endif /* TARGET_HOST_WINCE */
|
|
|
|
/* Restrict to [-32768, 32767] to match X11 behaviour */
|
|
/* See comment in "freeglut_developer" mailing list 10/4/04 */
|
|
if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
|
|
if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
|
|
|
|
switch( uMsg )
|
|
{
|
|
case WM_LBUTTONDOWN:
|
|
pressed = GL_TRUE;
|
|
button = GLUT_LEFT_BUTTON;
|
|
break;
|
|
case WM_MBUTTONDOWN:
|
|
pressed = GL_TRUE;
|
|
button = GLUT_MIDDLE_BUTTON;
|
|
break;
|
|
case WM_RBUTTONDOWN:
|
|
pressed = GL_TRUE;
|
|
button = GLUT_RIGHT_BUTTON;
|
|
break;
|
|
case WM_LBUTTONUP:
|
|
pressed = GL_FALSE;
|
|
button = GLUT_LEFT_BUTTON;
|
|
break;
|
|
case WM_MBUTTONUP:
|
|
pressed = GL_FALSE;
|
|
button = GLUT_MIDDLE_BUTTON;
|
|
break;
|
|
case WM_RBUTTONUP:
|
|
pressed = GL_FALSE;
|
|
button = GLUT_RIGHT_BUTTON;
|
|
break;
|
|
default:
|
|
pressed = GL_FALSE;
|
|
button = -1;
|
|
break;
|
|
}
|
|
|
|
#if !TARGET_HOST_WINCE
|
|
if( GetSystemMetrics( SM_SWAPBUTTON ) )
|
|
{
|
|
if( button == GLUT_LEFT_BUTTON )
|
|
button = GLUT_RIGHT_BUTTON;
|
|
else
|
|
if( button == GLUT_RIGHT_BUTTON )
|
|
button = GLUT_LEFT_BUTTON;
|
|
}
|
|
#endif /* !TARGET_HOST_WINCE */
|
|
|
|
if( button == -1 )
|
|
return DefWindowProc( hWnd, uMsg, lParam, wParam );
|
|
|
|
/*
|
|
* Do not execute the application's mouse callback if a menu
|
|
* is hooked to this button. In that case an appropriate
|
|
* private call should be generated.
|
|
*/
|
|
if( fgCheckActiveMenu( window, button, pressed,
|
|
window->State.MouseX, window->State.MouseY ) )
|
|
break;
|
|
|
|
/* Set capture so that the window captures all the mouse messages */
|
|
/*
|
|
* XXX - Multiple button support: Under X11, the mouse is not released
|
|
* XXX - from the window until all buttons have been released, even if the
|
|
* XXX - user presses a button in another window. This will take more
|
|
* XXX - code changes than I am up to at the moment (10/5/04). The present
|
|
* XXX - is a 90 percent solution.
|
|
*/
|
|
if ( pressed == GL_TRUE )
|
|
SetCapture ( window->Window.Handle ) ;
|
|
else
|
|
ReleaseCapture () ;
|
|
|
|
if( ! FETCH_WCB( *window, Mouse ) )
|
|
break;
|
|
|
|
fgSetWindow( window );
|
|
fgState.Modifiers = fghGetWin32Modifiers( );
|
|
|
|
INVOKE_WCB(
|
|
*window, Mouse,
|
|
( button,
|
|
pressed ? GLUT_DOWN : GLUT_UP,
|
|
window->State.MouseX,
|
|
window->State.MouseY
|
|
)
|
|
);
|
|
|
|
fgState.Modifiers = 0xffffffff;
|
|
}
|
|
break;
|
|
|
|
case 0x020a:
|
|
/* Should be WM_MOUSEWHEEL but my compiler doesn't recognize it */
|
|
{
|
|
/*
|
|
* XXX THIS IS SPECULATIVE -- John Fay, 10/2/03
|
|
* XXX Should use WHEEL_DELTA instead of 120
|
|
*/
|
|
int wheel_number = LOWORD( wParam );
|
|
short ticks = ( short )HIWORD( wParam ) / 120;
|
|
int direction = 1;
|
|
|
|
if( ticks < 0 )
|
|
{
|
|
direction = -1;
|
|
ticks = -ticks;
|
|
}
|
|
|
|
/*
|
|
* The mouse cursor has moved. Remember the new mouse cursor's position
|
|
*/
|
|
/* window->State.MouseX = LOWORD( lParam ); */
|
|
/* Need to adjust by window position, */
|
|
/* window->State.MouseY = HIWORD( lParam ); */
|
|
/* change "lParam" to other parameter */
|
|
|
|
if( ! FETCH_WCB( *window, MouseWheel ) &&
|
|
! FETCH_WCB( *window, Mouse ) )
|
|
break;
|
|
|
|
fgSetWindow( window );
|
|
fgState.Modifiers = fghGetWin32Modifiers( );
|
|
|
|
while( ticks-- )
|
|
if( FETCH_WCB( *window, MouseWheel ) )
|
|
INVOKE_WCB( *window, MouseWheel,
|
|
( wheel_number,
|
|
direction,
|
|
window->State.MouseX,
|
|
window->State.MouseY
|
|
)
|
|
);
|
|
else /* No mouse wheel, call the mouse button callback twice */
|
|
{
|
|
/*
|
|
* Map wheel zero to button 3 and 4; +1 to 3, -1 to 4
|
|
* " " one +1 to 5, -1 to 6, ...
|
|
*
|
|
* XXX The below assumes that you have no more than 3 mouse
|
|
* XXX buttons. Sorry.
|
|
*/
|
|
int button = wheel_number * 2 + 3;
|
|
if( direction < 0 )
|
|
++button;
|
|
INVOKE_WCB( *window, Mouse,
|
|
( button, GLUT_DOWN,
|
|
window->State.MouseX, window->State.MouseY )
|
|
);
|
|
INVOKE_WCB( *window, Mouse,
|
|
( button, GLUT_UP,
|
|
window->State.MouseX, window->State.MouseY )
|
|
);
|
|
}
|
|
|
|
fgState.Modifiers = 0xffffffff;
|
|
}
|
|
break ;
|
|
|
|
case WM_SYSKEYDOWN:
|
|
case WM_KEYDOWN:
|
|
{
|
|
int keypress = -1;
|
|
POINT mouse_pos ;
|
|
|
|
if( ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE ) && (HIWORD(lParam) & KF_REPEAT) )
|
|
break;
|
|
|
|
/*
|
|
* Remember the current modifiers state. This is done here in order
|
|
* to make sure the VK_DELETE keyboard callback is executed properly.
|
|
*/
|
|
fgState.Modifiers = fghGetWin32Modifiers( );
|
|
|
|
GetCursorPos( &mouse_pos );
|
|
ScreenToClient( window->Window.Handle, &mouse_pos );
|
|
|
|
window->State.MouseX = mouse_pos.x;
|
|
window->State.MouseY = mouse_pos.y;
|
|
|
|
/* Convert the Win32 keystroke codes to GLUTtish way */
|
|
# define KEY(a,b) case a: keypress = b; break;
|
|
|
|
switch( wParam )
|
|
{
|
|
KEY( VK_F1, GLUT_KEY_F1 );
|
|
KEY( VK_F2, GLUT_KEY_F2 );
|
|
KEY( VK_F3, GLUT_KEY_F3 );
|
|
KEY( VK_F4, GLUT_KEY_F4 );
|
|
KEY( VK_F5, GLUT_KEY_F5 );
|
|
KEY( VK_F6, GLUT_KEY_F6 );
|
|
KEY( VK_F7, GLUT_KEY_F7 );
|
|
KEY( VK_F8, GLUT_KEY_F8 );
|
|
KEY( VK_F9, GLUT_KEY_F9 );
|
|
KEY( VK_F10, GLUT_KEY_F10 );
|
|
KEY( VK_F11, GLUT_KEY_F11 );
|
|
KEY( VK_F12, GLUT_KEY_F12 );
|
|
KEY( VK_PRIOR, GLUT_KEY_PAGE_UP );
|
|
KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN );
|
|
KEY( VK_HOME, GLUT_KEY_HOME );
|
|
KEY( VK_END, GLUT_KEY_END );
|
|
KEY( VK_LEFT, GLUT_KEY_LEFT );
|
|
KEY( VK_UP, GLUT_KEY_UP );
|
|
KEY( VK_RIGHT, GLUT_KEY_RIGHT );
|
|
KEY( VK_DOWN, GLUT_KEY_DOWN );
|
|
KEY( VK_INSERT, GLUT_KEY_INSERT );
|
|
|
|
case VK_DELETE:
|
|
/* The delete key should be treated as an ASCII keypress: */
|
|
INVOKE_WCB( *window, Keyboard,
|
|
( 127, window->State.MouseX, window->State.MouseY )
|
|
);
|
|
}
|
|
|
|
#if TARGET_HOST_WINCE
|
|
if(!(lParam & 0x40000000)) /* Prevent auto-repeat */
|
|
{
|
|
if(wParam==(unsigned)gxKeyList.vkRight)
|
|
keypress = GLUT_KEY_RIGHT;
|
|
else if(wParam==(unsigned)gxKeyList.vkLeft)
|
|
keypress = GLUT_KEY_LEFT;
|
|
else if(wParam==(unsigned)gxKeyList.vkUp)
|
|
keypress = GLUT_KEY_UP;
|
|
else if(wParam==(unsigned)gxKeyList.vkDown)
|
|
keypress = GLUT_KEY_DOWN;
|
|
else if(wParam==(unsigned)gxKeyList.vkA)
|
|
keypress = GLUT_KEY_F1;
|
|
else if(wParam==(unsigned)gxKeyList.vkB)
|
|
keypress = GLUT_KEY_F2;
|
|
else if(wParam==(unsigned)gxKeyList.vkC)
|
|
keypress = GLUT_KEY_F3;
|
|
else if(wParam==(unsigned)gxKeyList.vkStart)
|
|
keypress = GLUT_KEY_F4;
|
|
}
|
|
#endif
|
|
|
|
if( keypress != -1 )
|
|
INVOKE_WCB( *window, Special,
|
|
( keypress,
|
|
window->State.MouseX, window->State.MouseY )
|
|
);
|
|
|
|
fgState.Modifiers = 0xffffffff;
|
|
}
|
|
break;
|
|
|
|
case WM_SYSKEYUP:
|
|
case WM_KEYUP:
|
|
{
|
|
int keypress = -1;
|
|
POINT mouse_pos;
|
|
|
|
/*
|
|
* Remember the current modifiers state. This is done here in order
|
|
* to make sure the VK_DELETE keyboard callback is executed properly.
|
|
*/
|
|
fgState.Modifiers = fghGetWin32Modifiers( );
|
|
|
|
GetCursorPos( &mouse_pos );
|
|
ScreenToClient( window->Window.Handle, &mouse_pos );
|
|
|
|
window->State.MouseX = mouse_pos.x;
|
|
window->State.MouseY = mouse_pos.y;
|
|
|
|
/*
|
|
* Convert the Win32 keystroke codes to GLUTtish way.
|
|
* "KEY(a,b)" was defined under "WM_KEYDOWN"
|
|
*/
|
|
|
|
switch( wParam )
|
|
{
|
|
KEY( VK_F1, GLUT_KEY_F1 );
|
|
KEY( VK_F2, GLUT_KEY_F2 );
|
|
KEY( VK_F3, GLUT_KEY_F3 );
|
|
KEY( VK_F4, GLUT_KEY_F4 );
|
|
KEY( VK_F5, GLUT_KEY_F5 );
|
|
KEY( VK_F6, GLUT_KEY_F6 );
|
|
KEY( VK_F7, GLUT_KEY_F7 );
|
|
KEY( VK_F8, GLUT_KEY_F8 );
|
|
KEY( VK_F9, GLUT_KEY_F9 );
|
|
KEY( VK_F10, GLUT_KEY_F10 );
|
|
KEY( VK_F11, GLUT_KEY_F11 );
|
|
KEY( VK_F12, GLUT_KEY_F12 );
|
|
KEY( VK_PRIOR, GLUT_KEY_PAGE_UP );
|
|
KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN );
|
|
KEY( VK_HOME, GLUT_KEY_HOME );
|
|
KEY( VK_END, GLUT_KEY_END );
|
|
KEY( VK_LEFT, GLUT_KEY_LEFT );
|
|
KEY( VK_UP, GLUT_KEY_UP );
|
|
KEY( VK_RIGHT, GLUT_KEY_RIGHT );
|
|
KEY( VK_DOWN, GLUT_KEY_DOWN );
|
|
KEY( VK_INSERT, GLUT_KEY_INSERT );
|
|
|
|
case VK_DELETE:
|
|
/* The delete key should be treated as an ASCII keypress: */
|
|
INVOKE_WCB( *window, KeyboardUp,
|
|
( 127, window->State.MouseX, window->State.MouseY )
|
|
);
|
|
break;
|
|
|
|
default:
|
|
{
|
|
#if !TARGET_HOST_WINCE
|
|
BYTE state[ 256 ];
|
|
WORD code[ 2 ];
|
|
|
|
GetKeyboardState( state );
|
|
|
|
if( ToAscii( wParam, 0, state, code, 0 ) == 1 )
|
|
wParam=code[ 0 ];
|
|
|
|
INVOKE_WCB( *window, KeyboardUp,
|
|
( (char)wParam,
|
|
window->State.MouseX, window->State.MouseY )
|
|
);
|
|
#endif /* !TARGET_HOST_WINCE */
|
|
}
|
|
}
|
|
|
|
if( keypress != -1 )
|
|
INVOKE_WCB( *window, SpecialUp,
|
|
( keypress,
|
|
window->State.MouseX, window->State.MouseY )
|
|
);
|
|
|
|
fgState.Modifiers = 0xffffffff;
|
|
}
|
|
break;
|
|
|
|
case WM_SYSCHAR:
|
|
case WM_CHAR:
|
|
{
|
|
if( (fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE) && (HIWORD(lParam) & KF_REPEAT) )
|
|
break;
|
|
|
|
fgState.Modifiers = fghGetWin32Modifiers( );
|
|
INVOKE_WCB( *window, Keyboard,
|
|
( (char)wParam,
|
|
window->State.MouseX, window->State.MouseY )
|
|
);
|
|
fgState.Modifiers = 0xffffffff;
|
|
}
|
|
break;
|
|
|
|
case WM_CAPTURECHANGED:
|
|
/* User has finished resizing the window, force a redraw */
|
|
INVOKE_WCB( *window, Display, ( ) );
|
|
|
|
/*lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); */
|
|
break;
|
|
|
|
/* Other messages that I have seen and which are not handled already */
|
|
case WM_SETTEXT: /* 0x000c */
|
|
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
|
|
/* Pass it on to "DefWindowProc" to set the window text */
|
|
break;
|
|
|
|
case WM_GETTEXT: /* 0x000d */
|
|
/* Ideally we would copy the title of the window into "lParam" */
|
|
/* strncpy ( (char *)lParam, "Window Title", wParam );
|
|
lRet = ( wParam > 12 ) ? 12 : wParam; */
|
|
/* the number of characters copied */
|
|
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
|
|
break;
|
|
|
|
case WM_GETTEXTLENGTH: /* 0x000e */
|
|
/* Ideally we would get the length of the title of the window */
|
|
lRet = 12;
|
|
/* the number of characters in "Window Title\0" (see above) */
|
|
break;
|
|
|
|
case WM_ERASEBKGND: /* 0x0014 */
|
|
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
|
|
break;
|
|
|
|
#if !TARGET_HOST_WINCE
|
|
case WM_SYNCPAINT: /* 0x0088 */
|
|
/* Another window has moved, need to update this one */
|
|
window->State.Redisplay = GL_TRUE;
|
|
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
|
|
/* Help screen says this message must be passed to "DefWindowProc" */
|
|
break;
|
|
|
|
case WM_NCPAINT: /* 0x0085 */
|
|
/* Need to update the border of this window */
|
|
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
|
|
/* Pass it on to "DefWindowProc" to repaint a standard border */
|
|
break;
|
|
|
|
case WM_SYSCOMMAND : /* 0x0112 */
|
|
{
|
|
/*
|
|
* We have received a system command message. Try to act on it.
|
|
* The commands are passed in through the "wParam" parameter:
|
|
* The least significant digit seems to be which edge of the window
|
|
* is being used for a resize event:
|
|
* 4 3 5
|
|
* 1 2
|
|
* 7 6 8
|
|
* Congratulations and thanks to Richard Rauch for figuring this out..
|
|
*/
|
|
switch ( wParam & 0xfff0 )
|
|
{
|
|
case SC_SIZE :
|
|
break ;
|
|
|
|
case SC_MOVE :
|
|
break ;
|
|
|
|
case SC_MINIMIZE :
|
|
/* User has clicked on the "-" to minimize the window */
|
|
/* Turn off the visibility */
|
|
window->State.Visible = GL_FALSE ;
|
|
|
|
break ;
|
|
|
|
case SC_MAXIMIZE :
|
|
break ;
|
|
|
|
case SC_NEXTWINDOW :
|
|
break ;
|
|
|
|
case SC_PREVWINDOW :
|
|
break ;
|
|
|
|
case SC_CLOSE :
|
|
/* Followed very closely by a WM_CLOSE message */
|
|
break ;
|
|
|
|
case SC_VSCROLL :
|
|
break ;
|
|
|
|
case SC_HSCROLL :
|
|
break ;
|
|
|
|
case SC_MOUSEMENU :
|
|
break ;
|
|
|
|
case SC_KEYMENU :
|
|
break ;
|
|
|
|
case SC_ARRANGE :
|
|
break ;
|
|
|
|
case SC_RESTORE :
|
|
break ;
|
|
|
|
case SC_TASKLIST :
|
|
break ;
|
|
|
|
case SC_SCREENSAVE :
|
|
break ;
|
|
|
|
case SC_HOTKEY :
|
|
break ;
|
|
|
|
default:
|
|
#if _DEBUG
|
|
fgWarning( "Unknown wParam type 0x%x", wParam );
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
#endif /* !TARGET_HOST_WINCE */
|
|
|
|
/* We need to pass the message on to the operating system as well */
|
|
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
|
|
break;
|
|
|
|
default:
|
|
/* Handle unhandled messages */
|
|
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
|
|
break;
|
|
}
|
|
|
|
return lRet;
|
|
}
|
|
#endif
|
|
|
|
/*** END OF FILE ***/
|