1035 lines
25 KiB
C
1035 lines
25 KiB
C
/*
|
||
* tkWinX.c --
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*
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||
* This file contains Windows emulation procedures for X routines.
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*
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* Copyright (c) 1995-1996 Sun Microsystems, Inc.
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* Copyright (c) 1994 Software Research Associates, Inc.
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||
*
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||
* See the file "license.terms" for information on usage and redistribution
|
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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||
*
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||
* SCCS: @(#) tkWinX.c 1.51 97/09/02 13:06:57
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||
*/
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||
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||
#include "tkInt.h"
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#include "tkWinInt.h"
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||
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||
/*
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||
* Definitions of extern variables supplied by this file.
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||
*/
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||
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||
int tkpIsWin32s = -1;
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||
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||
/*
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* Declarations of static variables used in this file.
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||
*/
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||
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||
static HINSTANCE tkInstance = (HINSTANCE) NULL;
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/* Global application instance handle. */
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||
static TkDisplay *winDisplay; /* Display that represents Windows screen. */
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static char winScreenName[] = ":0";
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/* Default name of windows display. */
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static WNDCLASS childClass; /* Window class for child windows. */
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static childClassInitialized = 0; /* Registered child class? */
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/*
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* Forward declarations of procedures used in this file.
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*/
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||
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static void GenerateXEvent _ANSI_ARGS_((HWND hwnd, UINT message,
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||
WPARAM wParam, LPARAM lParam));
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static unsigned int GetState _ANSI_ARGS_((UINT message, WPARAM wParam,
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||
LPARAM lParam));
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static void GetTranslatedKey _ANSI_ARGS_((XKeyEvent *xkey));
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||
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/*
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*----------------------------------------------------------------------
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*
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||
* TkGetServerInfo --
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||
*
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* Given a window, this procedure returns information about
|
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* the window server for that window. This procedure provides
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* the guts of the "winfo server" command.
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||
*
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* Results:
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||
* None.
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||
*
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* Side effects:
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||
* None.
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*
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*----------------------------------------------------------------------
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||
*/
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void
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||
TkGetServerInfo(interp, tkwin)
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Tcl_Interp *interp; /* The server information is returned in
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* this interpreter's result. */
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||
Tk_Window tkwin; /* Token for window; this selects a
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* particular display and server. */
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{
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||
char buffer[50];
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OSVERSIONINFO info;
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||
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info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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GetVersionEx(&info);
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sprintf(buffer, "Windows %d.%d %d ", info.dwMajorVersion,
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info.dwMinorVersion, info.dwBuildNumber);
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Tcl_AppendResult(interp, buffer,
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(info.dwPlatformId == VER_PLATFORM_WIN32s) ? "Win32s" : "Win32",
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(char *) NULL);
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}
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/*
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*----------------------------------------------------------------------
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*
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* Tk_GetHINSTANCE --
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*
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* Retrieves the global instance handle used by the Tk library.
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*
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* Results:
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* Returns the global instance handle.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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HINSTANCE
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Tk_GetHINSTANCE()
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{
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return tkInstance;
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}
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/*
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*----------------------------------------------------------------------
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*
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* TkWinXInit --
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*
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* Initialize Xlib emulation layer.
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*
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* Results:
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* None.
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*
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* Side effects:
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* Sets up various data structures.
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*
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*----------------------------------------------------------------------
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*/
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void
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TkWinXInit(hInstance)
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HINSTANCE hInstance;
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{
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OSVERSIONINFO info;
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info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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GetVersionEx(&info);
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tkpIsWin32s = (info.dwPlatformId == VER_PLATFORM_WIN32s);
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if (childClassInitialized != 0) {
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return;
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}
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childClassInitialized = 1;
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tkInstance = hInstance;
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childClass.style = CS_HREDRAW | CS_VREDRAW | CS_CLASSDC;
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childClass.cbClsExtra = 0;
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childClass.cbWndExtra = 0;
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childClass.hInstance = hInstance;
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childClass.hbrBackground = NULL;
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childClass.lpszMenuName = NULL;
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/*
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* Register the Child window class.
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*/
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childClass.lpszClassName = TK_WIN_CHILD_CLASS_NAME;
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childClass.lpfnWndProc = TkWinChildProc;
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childClass.hIcon = NULL;
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childClass.hCursor = NULL;
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if (!RegisterClass(&childClass)) {
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panic("Unable to register TkChild class");
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}
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}
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/*
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*----------------------------------------------------------------------
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*
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* TkWinXCleanup --
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*
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* Removes the registered classes for Tk.
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*
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* Results:
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* None.
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*
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* Side effects:
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* Removes window classes from the system.
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*
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*----------------------------------------------------------------------
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*/
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void
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TkWinXCleanup(hInstance)
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HINSTANCE hInstance;
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||
{
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/*
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* Clean up our own class.
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*/
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if (childClassInitialized) {
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childClassInitialized = 0;
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UnregisterClass(TK_WIN_CHILD_CLASS_NAME, hInstance);
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}
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/*
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* And let the window manager clean up its own class(es).
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*/
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TkWinWmCleanup(hInstance);
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}
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||
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/*
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*----------------------------------------------------------------------
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*
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* TkGetDefaultScreenName --
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*
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* Returns the name of the screen that Tk should use during
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* initialization.
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*
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* Results:
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* Returns a statically allocated string.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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char *
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TkGetDefaultScreenName(interp, screenName)
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Tcl_Interp *interp; /* Not used. */
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char *screenName; /* If NULL, use default string. */
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{
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||
if ((screenName == NULL) || (screenName[0] == '\0')) {
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screenName = winScreenName;
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}
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return screenName;
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}
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/*
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*----------------------------------------------------------------------
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*
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* TkpOpenDisplay --
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*
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* Create the Display structure and fill it with device
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* specific information.
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*
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* Results:
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||
* Returns a Display structure on success or NULL on failure.
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*
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* Side effects:
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||
* Allocates a new Display structure.
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*
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*----------------------------------------------------------------------
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*/
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TkDisplay *
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TkpOpenDisplay(display_name)
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char *display_name;
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{
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Screen *screen;
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HDC dc;
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TkWinDrawable *twdPtr;
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Display *display;
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if (winDisplay != NULL) {
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if (strcmp(winDisplay->display->display_name, display_name) == 0) {
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return winDisplay;
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} else {
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return NULL;
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}
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}
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display = (Display *) ckalloc(sizeof(Display));
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display->display_name = (char *) ckalloc(strlen(display_name)+1);
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strcpy(display->display_name, display_name);
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display->cursor_font = 1;
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display->nscreens = 1;
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display->request = 1;
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display->qlen = 0;
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screen = (Screen *) ckalloc(sizeof(Screen));
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screen->display = display;
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dc = GetDC(NULL);
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screen->width = GetDeviceCaps(dc, HORZRES);
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screen->height = GetDeviceCaps(dc, VERTRES);
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screen->mwidth = MulDiv(screen->width, 254,
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GetDeviceCaps(dc, LOGPIXELSX) * 10);
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screen->mheight = MulDiv(screen->height, 254,
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GetDeviceCaps(dc, LOGPIXELSY) * 10);
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/*
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* Set up the root window.
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*/
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twdPtr = (TkWinDrawable*) ckalloc(sizeof(TkWinDrawable));
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if (twdPtr == NULL) {
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return None;
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}
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twdPtr->type = TWD_WINDOW;
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twdPtr->window.winPtr = NULL;
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twdPtr->window.handle = NULL;
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screen->root = (Window)twdPtr;
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/*
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* On windows, when creating a color bitmap, need two pieces of
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* information: the number of color planes and the number of
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* pixels per plane. Need to remember both quantities so that
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* when constructing an HBITMAP for offscreen rendering, we can
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* specify the correct value for the number of planes. Otherwise
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* the HBITMAP won't be compatible with the HWND and we'll just
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* get blank spots copied onto the screen.
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*/
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screen->ext_data = (XExtData *) GetDeviceCaps(dc, PLANES);
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screen->root_depth = GetDeviceCaps(dc, BITSPIXEL) * (int) screen->ext_data;
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screen->root_visual = (Visual *) ckalloc(sizeof(Visual));
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screen->root_visual->visualid = 0;
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if (GetDeviceCaps(dc, RASTERCAPS) & RC_PALETTE) {
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screen->root_visual->map_entries = GetDeviceCaps(dc, SIZEPALETTE);
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screen->root_visual->class = PseudoColor;
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screen->root_visual->red_mask = 0x0;
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screen->root_visual->green_mask = 0x0;
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screen->root_visual->blue_mask = 0x0;
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} else {
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if (screen->root_depth == 4) {
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screen->root_visual->class = StaticColor;
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screen->root_visual->map_entries = 16;
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} else if (screen->root_depth == 8) {
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screen->root_visual->class = StaticColor;
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screen->root_visual->map_entries = 256;
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} else if (screen->root_depth == 12) {
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screen->root_visual->class = TrueColor;
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screen->root_visual->map_entries = 32;
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screen->root_visual->red_mask = 0xf0;
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screen->root_visual->green_mask = 0xf000;
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screen->root_visual->blue_mask = 0xf00000;
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} else if (screen->root_depth == 16) {
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screen->root_visual->class = TrueColor;
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screen->root_visual->map_entries = 64;
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screen->root_visual->red_mask = 0xf8;
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screen->root_visual->green_mask = 0xfc00;
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screen->root_visual->blue_mask = 0xf80000;
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} else if (screen->root_depth >= 24) {
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screen->root_visual->class = TrueColor;
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screen->root_visual->map_entries = 256;
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screen->root_visual->red_mask = 0xff;
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screen->root_visual->green_mask = 0xff00;
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screen->root_visual->blue_mask = 0xff0000;
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}
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}
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screen->root_visual->bits_per_rgb = screen->root_depth;
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ReleaseDC(NULL, dc);
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||
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/*
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* Note that these pixel values are not palette relative.
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*/
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||
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screen->white_pixel = RGB(255, 255, 255);
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screen->black_pixel = RGB(0, 0, 0);
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display->screens = screen;
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display->nscreens = 1;
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display->default_screen = 0;
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screen->cmap = XCreateColormap(display, None, screen->root_visual,
|
||
AllocNone);
|
||
winDisplay = (TkDisplay *) ckalloc(sizeof(TkDisplay));
|
||
winDisplay->display = display;
|
||
return winDisplay;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkpCloseDisplay --
|
||
*
|
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* Closes and deallocates a Display structure created with the
|
||
* TkpOpenDisplay function.
|
||
*
|
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* Results:
|
||
* None.
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||
*
|
||
* Side effects:
|
||
* Frees up memory.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
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void
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||
TkpCloseDisplay(dispPtr)
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||
TkDisplay *dispPtr;
|
||
{
|
||
Display *display = dispPtr->display;
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||
HWND hwnd;
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||
|
||
if (dispPtr != winDisplay) {
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||
panic("TkpCloseDisplay: tried to call TkpCloseDisplay on another display");
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||
return;
|
||
}
|
||
|
||
/*
|
||
* Force the clipboard to be rendered if we are the clipboard owner.
|
||
*/
|
||
|
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if (dispPtr->clipWindow) {
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hwnd = Tk_GetHWND(Tk_WindowId(dispPtr->clipWindow));
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||
if (GetClipboardOwner() == hwnd) {
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||
OpenClipboard(hwnd);
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||
EmptyClipboard();
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||
TkWinClipboardRender(dispPtr, CF_TEXT);
|
||
CloseClipboard();
|
||
}
|
||
}
|
||
|
||
winDisplay = NULL;
|
||
|
||
if (display->display_name != (char *) NULL) {
|
||
ckfree(display->display_name);
|
||
}
|
||
if (display->screens != (Screen *) NULL) {
|
||
if (display->screens->root_visual != NULL) {
|
||
ckfree((char *) display->screens->root_visual);
|
||
}
|
||
if (display->screens->root != None) {
|
||
ckfree((char *) display->screens->root);
|
||
}
|
||
if (display->screens->cmap != None) {
|
||
XFreeColormap(display, display->screens->cmap);
|
||
}
|
||
ckfree((char *) display->screens);
|
||
}
|
||
ckfree((char *) display);
|
||
ckfree((char *) dispPtr);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XBell --
|
||
*
|
||
* Generate a beep.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Plays a sounds out the system speakers.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
XBell(display, percent)
|
||
Display* display;
|
||
int percent;
|
||
{
|
||
MessageBeep(MB_OK);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkWinChildProc --
|
||
*
|
||
* Callback from Windows whenever an event occurs on a child
|
||
* window.
|
||
*
|
||
* Results:
|
||
* Standard Windows return value.
|
||
*
|
||
* Side effects:
|
||
* May process events off the Tk event queue.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
LRESULT CALLBACK
|
||
TkWinChildProc(hwnd, message, wParam, lParam)
|
||
HWND hwnd;
|
||
UINT message;
|
||
WPARAM wParam;
|
||
LPARAM lParam;
|
||
{
|
||
LRESULT result;
|
||
|
||
switch (message) {
|
||
case WM_SETCURSOR:
|
||
/*
|
||
* Short circuit the WM_SETCURSOR message since we set
|
||
* the cursor elsewhere.
|
||
*/
|
||
|
||
result = TRUE;
|
||
break;
|
||
|
||
case WM_CREATE:
|
||
case WM_ERASEBKGND:
|
||
case WM_WINDOWPOSCHANGED:
|
||
result = 0;
|
||
break;
|
||
|
||
case WM_PAINT:
|
||
GenerateXEvent(hwnd, message, wParam, lParam);
|
||
result = DefWindowProc(hwnd, message, wParam, lParam);
|
||
break;
|
||
|
||
case TK_CLAIMFOCUS:
|
||
case TK_GEOMETRYREQ:
|
||
case TK_ATTACHWINDOW:
|
||
case TK_DETACHWINDOW:
|
||
result = TkWinEmbeddedEventProc(hwnd, message, wParam, lParam);
|
||
break;
|
||
|
||
default:
|
||
if (!Tk_TranslateWinEvent(hwnd, message, wParam, lParam,
|
||
&result)) {
|
||
result = DefWindowProc(hwnd, message, wParam, lParam);
|
||
}
|
||
break;
|
||
}
|
||
|
||
/*
|
||
* Handle any newly queued events before returning control to Windows.
|
||
*/
|
||
|
||
Tcl_ServiceAll();
|
||
return result;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_TranslateWinEvent --
|
||
*
|
||
* This function is called by widget window procedures to handle
|
||
* the translation from Win32 events to Tk events.
|
||
*
|
||
* Results:
|
||
* Returns 1 if the event was handled, else 0.
|
||
*
|
||
* Side effects:
|
||
* Depends on the event.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
Tk_TranslateWinEvent(hwnd, message, wParam, lParam, resultPtr)
|
||
HWND hwnd;
|
||
UINT message;
|
||
WPARAM wParam;
|
||
LPARAM lParam;
|
||
LRESULT *resultPtr;
|
||
{
|
||
*resultPtr = 0;
|
||
switch (message) {
|
||
case WM_RENDERFORMAT: {
|
||
TkWindow *winPtr = (TkWindow *) Tk_HWNDToWindow(hwnd);
|
||
if (winPtr) {
|
||
TkWinClipboardRender(winPtr->dispPtr, wParam);
|
||
}
|
||
return 1;
|
||
}
|
||
|
||
case WM_COMMAND:
|
||
case WM_NOTIFY:
|
||
case WM_VSCROLL:
|
||
case WM_HSCROLL: {
|
||
/*
|
||
* Reflect these messages back to the sender so that they
|
||
* can be handled by the window proc for the control. Note
|
||
* that we need to be careful not to reflect a message that
|
||
* is targeted to this window, or we will loop.
|
||
*/
|
||
|
||
HWND target = (message == WM_NOTIFY)
|
||
? ((NMHDR*)lParam)->hwndFrom : (HWND) lParam;
|
||
if (target && target != hwnd) {
|
||
*resultPtr = SendMessage(target, message, wParam, lParam);
|
||
return 1;
|
||
}
|
||
break;
|
||
}
|
||
|
||
case WM_LBUTTONDOWN:
|
||
case WM_LBUTTONDBLCLK:
|
||
case WM_MBUTTONDOWN:
|
||
case WM_MBUTTONDBLCLK:
|
||
case WM_RBUTTONDOWN:
|
||
case WM_RBUTTONDBLCLK:
|
||
case WM_LBUTTONUP:
|
||
case WM_MBUTTONUP:
|
||
case WM_RBUTTONUP:
|
||
case WM_MOUSEMOVE:
|
||
Tk_PointerEvent(hwnd, (short) LOWORD(lParam),
|
||
(short) HIWORD(lParam));
|
||
return 1;
|
||
|
||
case WM_CLOSE:
|
||
case WM_SETFOCUS:
|
||
case WM_KILLFOCUS:
|
||
case WM_DESTROYCLIPBOARD:
|
||
case WM_CHAR:
|
||
case WM_SYSKEYDOWN:
|
||
case WM_SYSKEYUP:
|
||
case WM_KEYDOWN:
|
||
case WM_KEYUP:
|
||
GenerateXEvent(hwnd, message, wParam, lParam);
|
||
return 1;
|
||
case WM_MENUCHAR:
|
||
GenerateXEvent(hwnd, message, wParam, lParam);
|
||
/* MNC_CLOSE is the only one that looks right. This is a hack. */
|
||
*resultPtr = MAKELONG (0, MNC_CLOSE);
|
||
return 1;
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* GenerateXEvent --
|
||
*
|
||
* This routine generates an X event from the corresponding
|
||
* Windows event.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Queues one or more X events.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static void
|
||
GenerateXEvent(hwnd, message, wParam, lParam)
|
||
HWND hwnd;
|
||
UINT message;
|
||
WPARAM wParam;
|
||
LPARAM lParam;
|
||
{
|
||
XEvent event;
|
||
TkWindow *winPtr = (TkWindow *)Tk_HWNDToWindow(hwnd);
|
||
|
||
if (!winPtr || winPtr->window == None) {
|
||
return;
|
||
}
|
||
|
||
event.xany.serial = winPtr->display->request++;
|
||
event.xany.send_event = False;
|
||
event.xany.display = winPtr->display;
|
||
event.xany.window = winPtr->window;
|
||
|
||
switch (message) {
|
||
case WM_PAINT: {
|
||
PAINTSTRUCT ps;
|
||
|
||
event.type = Expose;
|
||
BeginPaint(hwnd, &ps);
|
||
event.xexpose.x = ps.rcPaint.left;
|
||
event.xexpose.y = ps.rcPaint.top;
|
||
event.xexpose.width = ps.rcPaint.right - ps.rcPaint.left;
|
||
event.xexpose.height = ps.rcPaint.bottom - ps.rcPaint.top;
|
||
EndPaint(hwnd, &ps);
|
||
event.xexpose.count = 0;
|
||
break;
|
||
}
|
||
|
||
case WM_CLOSE:
|
||
event.type = ClientMessage;
|
||
event.xclient.message_type =
|
||
Tk_InternAtom((Tk_Window) winPtr, "WM_PROTOCOLS");
|
||
event.xclient.format = 32;
|
||
event.xclient.data.l[0] =
|
||
Tk_InternAtom((Tk_Window) winPtr, "WM_DELETE_WINDOW");
|
||
break;
|
||
|
||
case WM_SETFOCUS:
|
||
case WM_KILLFOCUS: {
|
||
TkWindow *otherWinPtr = (TkWindow *)Tk_HWNDToWindow((HWND) wParam);
|
||
|
||
/*
|
||
* Compare toplevel windows to avoid reporting focus
|
||
* changes within the same toplevel.
|
||
*/
|
||
|
||
while (!(winPtr->flags & TK_TOP_LEVEL)) {
|
||
winPtr = winPtr->parentPtr;
|
||
if (winPtr == NULL) {
|
||
return;
|
||
}
|
||
}
|
||
while (otherWinPtr && !(otherWinPtr->flags & TK_TOP_LEVEL)) {
|
||
otherWinPtr = otherWinPtr->parentPtr;
|
||
}
|
||
if (otherWinPtr == winPtr) {
|
||
return;
|
||
}
|
||
|
||
event.xany.window = winPtr->window;
|
||
event.type = (message == WM_SETFOCUS) ? FocusIn : FocusOut;
|
||
event.xfocus.mode = NotifyNormal;
|
||
event.xfocus.detail = NotifyNonlinear;
|
||
break;
|
||
}
|
||
|
||
case WM_DESTROYCLIPBOARD:
|
||
event.type = SelectionClear;
|
||
event.xselectionclear.selection =
|
||
Tk_InternAtom((Tk_Window)winPtr, "CLIPBOARD");
|
||
event.xselectionclear.time = TkpGetMS();
|
||
break;
|
||
|
||
case WM_CHAR:
|
||
case WM_SYSKEYDOWN:
|
||
case WM_SYSKEYUP:
|
||
case WM_KEYDOWN:
|
||
case WM_KEYUP: {
|
||
unsigned int state = GetState(message, wParam, lParam);
|
||
Time time = TkpGetMS();
|
||
POINT clientPoint;
|
||
POINTS rootPoint; /* Note: POINT and POINTS are different */
|
||
DWORD msgPos;
|
||
|
||
/*
|
||
* Compute the screen and window coordinates of the event.
|
||
*/
|
||
|
||
msgPos = GetMessagePos();
|
||
rootPoint = MAKEPOINTS(msgPos);
|
||
clientPoint.x = rootPoint.x;
|
||
clientPoint.y = rootPoint.y;
|
||
ScreenToClient(hwnd, &clientPoint);
|
||
|
||
/*
|
||
* Set up the common event fields.
|
||
*/
|
||
|
||
event.xbutton.root = RootWindow(winPtr->display,
|
||
winPtr->screenNum);
|
||
event.xbutton.subwindow = None;
|
||
event.xbutton.x = clientPoint.x;
|
||
event.xbutton.y = clientPoint.y;
|
||
event.xbutton.x_root = rootPoint.x;
|
||
event.xbutton.y_root = rootPoint.y;
|
||
event.xbutton.state = state;
|
||
event.xbutton.time = time;
|
||
event.xbutton.same_screen = True;
|
||
|
||
/*
|
||
* Now set up event specific fields.
|
||
*/
|
||
|
||
switch (message) {
|
||
case WM_SYSKEYDOWN:
|
||
case WM_KEYDOWN:
|
||
/*
|
||
* Check for translated characters in the event queue.
|
||
* Setting xany.send_event to -1 indicates to the
|
||
* Windows implementation of XLookupString that this
|
||
* event was generated by windows and that the Windows
|
||
* extension xkey.trans_chars is filled with the
|
||
* characters that came from the TranslateMessage
|
||
* call. If it is not -1, xkey.keycode is the
|
||
* virtual key being sent programmatically by generic
|
||
* code.
|
||
*/
|
||
|
||
event.type = KeyPress;
|
||
event.xany.send_event = -1;
|
||
event.xkey.keycode = wParam;
|
||
GetTranslatedKey(&event.xkey);
|
||
break;
|
||
|
||
case WM_SYSKEYUP:
|
||
case WM_KEYUP:
|
||
/*
|
||
* We don't check for translated characters on keyup
|
||
* because Tk won't know what to do with them. Instead, we
|
||
* wait for the WM_CHAR messages which will follow.
|
||
*/
|
||
event.type = KeyRelease;
|
||
event.xkey.keycode = wParam;
|
||
event.xkey.nchars = 0;
|
||
break;
|
||
|
||
case WM_CHAR:
|
||
/*
|
||
* Synthesize both a KeyPress and a KeyRelease.
|
||
*/
|
||
|
||
event.type = KeyPress;
|
||
event.xany.send_event = -1;
|
||
event.xkey.keycode = 0;
|
||
event.xkey.nchars = 1;
|
||
event.xkey.trans_chars[0] = (char) wParam;
|
||
Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL);
|
||
event.type = KeyRelease;
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
|
||
default:
|
||
return;
|
||
}
|
||
Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* GetState --
|
||
*
|
||
* This function constructs a state mask for the mouse buttons
|
||
* and modifier keys as they were before the event occured.
|
||
*
|
||
* Results:
|
||
* Returns a composite value of all the modifier and button state
|
||
* flags that were set at the time the event occurred.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static unsigned int
|
||
GetState(message, wParam, lParam)
|
||
UINT message; /* Win32 message type */
|
||
WPARAM wParam; /* wParam of message, used if key message */
|
||
LPARAM lParam; /* lParam of message, used if key message */
|
||
{
|
||
int mask;
|
||
int prevState; /* 1 if key was previously down */
|
||
unsigned int state = TkWinGetModifierState();
|
||
|
||
/*
|
||
* If the event is a key press or release, we check for modifier
|
||
* keys so we can report the state of the world before the event.
|
||
*/
|
||
|
||
if (message == WM_SYSKEYDOWN || message == WM_KEYDOWN
|
||
|| message == WM_SYSKEYUP || message == WM_KEYUP) {
|
||
mask = 0;
|
||
prevState = HIWORD(lParam) & KF_REPEAT;
|
||
switch(wParam) {
|
||
case VK_SHIFT:
|
||
mask = ShiftMask;
|
||
break;
|
||
case VK_CONTROL:
|
||
mask = ControlMask;
|
||
break;
|
||
case VK_MENU:
|
||
mask = Mod2Mask;
|
||
break;
|
||
case VK_CAPITAL:
|
||
if (message == WM_SYSKEYDOWN || message == WM_KEYDOWN) {
|
||
mask = LockMask;
|
||
prevState = ((state & mask) ^ prevState) ? 0 : 1;
|
||
}
|
||
break;
|
||
case VK_NUMLOCK:
|
||
if (message == WM_SYSKEYDOWN || message == WM_KEYDOWN) {
|
||
mask = Mod1Mask;
|
||
prevState = ((state & mask) ^ prevState) ? 0 : 1;
|
||
}
|
||
break;
|
||
case VK_SCROLL:
|
||
if (message == WM_SYSKEYDOWN || message == WM_KEYDOWN) {
|
||
mask = Mod3Mask;
|
||
prevState = ((state & mask) ^ prevState) ? 0 : 1;
|
||
}
|
||
break;
|
||
}
|
||
if (prevState) {
|
||
state |= mask;
|
||
} else {
|
||
state &= ~mask;
|
||
}
|
||
}
|
||
return state;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* GetTranslatedKey --
|
||
*
|
||
* Retrieves WM_CHAR messages that are placed on the system queue
|
||
* by the TranslateMessage system call and places them in the
|
||
* given KeyPress event.
|
||
*
|
||
* Results:
|
||
* Sets the trans_chars and nchars member of the key event.
|
||
*
|
||
* Side effects:
|
||
* Removes any WM_CHAR messages waiting on the top of the system
|
||
* event queue.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static void
|
||
GetTranslatedKey(xkey)
|
||
XKeyEvent *xkey;
|
||
{
|
||
MSG msg;
|
||
|
||
xkey->nchars = 0;
|
||
|
||
while (xkey->nchars < XMaxTransChars
|
||
&& PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE)) {
|
||
if ((msg.message == WM_CHAR) || (msg.message == WM_SYSCHAR)) {
|
||
xkey->trans_chars[xkey->nchars] = (char) msg.wParam;
|
||
xkey->nchars++;
|
||
GetMessage(&msg, NULL, 0, 0);
|
||
|
||
/*
|
||
* If this is a normal character message, we may need to strip
|
||
* off the Alt modifier (e.g. Alt-digits). Note that we don't
|
||
* want to do this for system messages, because those were
|
||
* presumably generated as an Alt-char sequence (e.g. accelerator
|
||
* keys).
|
||
*/
|
||
|
||
if ((msg.message == WM_CHAR) && (msg.lParam & 0x20000000)) {
|
||
xkey->state = 0;
|
||
}
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_FreeXId --
|
||
*
|
||
* This inteface is not needed under Windows.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
Tk_FreeXId(display, xid)
|
||
Display *display;
|
||
XID xid;
|
||
{
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkWinResendEvent --
|
||
*
|
||
* This function converts an X event into a Windows event and
|
||
* invokes the specified windo procedure.
|
||
*
|
||
* Results:
|
||
* A standard Windows result.
|
||
*
|
||
* Side effects:
|
||
* Invokes the window procedure
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
LRESULT
|
||
TkWinResendEvent(wndproc, hwnd, eventPtr)
|
||
WNDPROC wndproc;
|
||
HWND hwnd;
|
||
XEvent *eventPtr;
|
||
{
|
||
UINT msg;
|
||
WPARAM wparam;
|
||
LPARAM lparam;
|
||
|
||
if (eventPtr->type == ButtonPress) {
|
||
switch (eventPtr->xbutton.button) {
|
||
case Button1:
|
||
msg = WM_LBUTTONDOWN;
|
||
wparam = MK_LBUTTON;
|
||
break;
|
||
case Button2:
|
||
msg = WM_MBUTTONDOWN;
|
||
wparam = MK_MBUTTON;
|
||
break;
|
||
case Button3:
|
||
msg = WM_RBUTTONDOWN;
|
||
wparam = MK_RBUTTON;
|
||
break;
|
||
default:
|
||
return 0;
|
||
}
|
||
if (eventPtr->xbutton.state & Button1Mask) {
|
||
wparam |= MK_LBUTTON;
|
||
}
|
||
if (eventPtr->xbutton.state & Button2Mask) {
|
||
wparam |= MK_MBUTTON;
|
||
}
|
||
if (eventPtr->xbutton.state & Button3Mask) {
|
||
wparam |= MK_RBUTTON;
|
||
}
|
||
if (eventPtr->xbutton.state & ShiftMask) {
|
||
wparam |= MK_SHIFT;
|
||
}
|
||
if (eventPtr->xbutton.state & ControlMask) {
|
||
wparam |= MK_CONTROL;
|
||
}
|
||
lparam = MAKELPARAM((short) eventPtr->xbutton.x,
|
||
(short) eventPtr->xbutton.y);
|
||
} else {
|
||
return 0;
|
||
}
|
||
return CallWindowProc(wndproc, hwnd, msg, wparam, lparam);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkpGetMS --
|
||
*
|
||
* Return a relative time in milliseconds. It doesn't matter
|
||
* when the epoch was.
|
||
*
|
||
* Results:
|
||
* Number of milliseconds.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
unsigned long
|
||
TkpGetMS()
|
||
{
|
||
return GetCurrentTime();
|
||
}
|