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tkWinWm.c：源码内容

/*
* tkWinWm.c --
*
* This module takes care of the interactions between a Tk-based
* application and the window manager. Among other things, it
* implements the "wm" command and passes geometry information
* to the window manager.
*
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tkWinWm.c,v 1.54.2.28 2007/12/05 19:18:09 hobbs Exp $
*/
#include "tkWinInt.h"
#include <shellapi.h>
/*
* These next two defines are only valid on Win2K/XP+.
*/
#ifndef WS_EX_LAYERED
#define WS_EX_LAYERED 0x00080000
#endif
#ifndef LWA_COLORKEY
#define LWA_COLORKEY 0x00000001
#endif
#ifndef LWA_ALPHA
#define LWA_ALPHA 0x00000002
#endif
/*
* Event structure for synthetic activation events. These events are
* placed on the event queue whenever a toplevel gets a WM_MOUSEACTIVATE
* message.
*/
typedef struct ActivateEvent {
Tcl_Event ev;
TkWindow *winPtr;
} ActivateEvent;
/*
* A data structure of the following type holds information for
* each window manager protocol (such as WM_DELETE_WINDOW) for
* which a handler (i.e. a Tcl command) has been defined for a
* particular top-level window.
*/
typedef struct ProtocolHandler {
Atom protocol; /* Identifies the protocol. */
struct ProtocolHandler *nextPtr;
/* Next in list of protocol handlers for
* the same top-level window, or NULL for
* end of list. */
Tcl_Interp *interp; /* Interpreter in which to invoke command. */
char command[4]; /* Tcl command to invoke when a client
* message for this protocol arrives.
* The actual size of the structure varies
* to accommodate the needs of the actual
* command. THIS MUST BE THE LAST FIELD OF
* THE STRUCTURE. */
} ProtocolHandler;
#define HANDLER_SIZE(cmdLength)
((unsigned) (sizeof(ProtocolHandler) - 3 + cmdLength))
/*
* Helper type passed via lParam to TkWmStackorderToplevelEnumProc
*/
typedef struct TkWmStackorderToplevelPair {
Tcl_HashTable *table;
TkWindow **window_ptr;
} TkWmStackorderToplevelPair;
/*
* This structure represents the contents of a icon, in terms of its
* image. The HICON is an internal Windows format. Most of these
* icon-specific-structures originated with the Winico extension.
* We stripped out unused parts of that code, and integrated the
* code more naturally with Tcl.
*/
typedef struct {
UINT Width, Height, Colors; /* Width, Height and bpp */
LPBYTE lpBits; /* ptr to DIB bits */
DWORD dwNumBytes; /* how many bytes? */
LPBITMAPINFO lpbi; /* ptr to header */
LPBYTE lpXOR; /* ptr to XOR image bits */
LPBYTE lpAND; /* ptr to AND image bits */
HICON hIcon; /* DAS ICON */
} ICONIMAGE, *LPICONIMAGE;
/*
* This structure is how we represent a block of the above
* items. We will reallocate these structures according to
* how many images they need to contain.
*/
typedef struct {
int nNumImages; /* How many images? */
ICONIMAGE IconImages[1]; /* Image entries */
} BlockOfIconImages, *BlockOfIconImagesPtr;
/*
* These two structures are used to read in icons from an
* 'icon directory' (i.e. the contents of a .icr file, say).
* We only use these structures temporarily, since we copy
* the information we want into a BlockOfIconImages.
*/
typedef struct {
BYTE bWidth; /* Width of the image */
BYTE bHeight; /* Height of the image (times 2) */
BYTE bColorCount; /* Number of colors in image (0 if >=8bpp) */
BYTE bReserved; /* Reserved */
WORD wPlanes; /* Color Planes */
WORD wBitCount; /* Bits per pixel */
DWORD dwBytesInRes; /* how many bytes in this resource? */
DWORD dwImageOffset; /* where in the file is this image */
} ICONDIRENTRY, *LPICONDIRENTRY;
typedef struct {
WORD idReserved; /* Reserved */
WORD idType; /* resource type (1 for icons) */
WORD idCount; /* how many images? */
ICONDIRENTRY idEntries[1]; /* the entries for each image */
} ICONDIR, *LPICONDIR;
/*
* A pointer to one of these strucutures is associated with each
* toplevel. This allows us to free up all memory associated with icon
* resources when a window is deleted or if the window's icon is
* changed. They are simply reference counted according to:
*
* (i) how many WmInfo structures point to this object
* (ii) whether the ThreadSpecificData defined in this file contains
* a pointer to this object.
*
* The former count is for windows whose icons are individually
* set, and the latter is for the global default icon choice.
*
* Icons loaded from .icr/.icr use the iconBlock field, icons
* loaded from .exe/.dll use the hIcon field.
*/
typedef struct WinIconInstance {
int refCount; /* Number of instances that share this
* data structure. */
BlockOfIconImagesPtr iconBlock;
/* Pointer to icon resource data for
* image. */
} WinIconInstance;
typedef struct WinIconInstance *WinIconPtr;
/*
* A data structure of the following type holds window-manager-related
* information for each top-level window in an application.
*/
typedef struct TkWmInfo {
TkWindow *winPtr; /* Pointer to main Tk information for
* this window. */
HWND wrapper; /* This is the decorative frame window
* created by the window manager to wrap
* a toplevel window. This window is
* a direct child of the root window. */
char *title; /* Title to display in window caption. If
* NULL, use name of widget. Malloced. */
char *iconName; /* Name to display in icon. Malloced. */
XWMHints hints; /* Various pieces of information for
* window manager. */
char *leaderName; /* Path name of leader of window group
* (corresponds to hints.window_group).
* Malloc-ed. Note: this field doesn't
* get updated if leader is destroyed. */
TkWindow *masterPtr; /* Master window for TRANSIENT_FOR property,
* or NULL. */
Tk_Window icon; /* Window to use as icon for this window,
* or NULL. */
Tk_Window iconFor; /* Window for which this window is icon, or
* NULL if this isn't an icon for anyone. */
/*
* Information used to construct an XSizeHints structure for
* the window manager:
*/
int defMinWidth, defMinHeight, defMaxWidth, defMaxHeight;
/* Default resize limits given by system. */
int sizeHintsFlags; /* Flags word for XSizeHints structure.
* If the PBaseSize flag is set then the
* window is gridded; otherwise it isn't
* gridded. */
int minWidth, minHeight; /* Minimum dimensions of window, in
* pixels or grid units. */
int maxWidth, maxHeight; /* Maximum dimensions of window, in
* pixels or grid units. 0 to default. */
Tk_Window gridWin; /* Identifies the window that controls
* gridding for this top-level, or NULL if
* the top-level isn't currently gridded. */
int widthInc, heightInc; /* Increments for size changes (# pixels
* per step). */
struct {
int x; /* numerator */
int y; /* denominator */
} minAspect, maxAspect; /* Min/max aspect ratios for window. */
int reqGridWidth, reqGridHeight;
/* The dimensions of the window (in
* grid units) requested through
* the geometry manager. */
int gravity; /* Desired window gravity. */
/*
* Information used to manage the size and location of a window.
*/
int width, height; /* Desired dimensions of window, specified
* in pixels or grid units. These values are
* set by the "wm geometry" command and by
* ConfigureNotify events (for when wm
* resizes window). -1 means user hasn't
* requested dimensions. */
int x, y; /* Desired X and Y coordinates for window.
* These values are set by "wm geometry",
* plus by ConfigureNotify events (when wm
* moves window). These numbers are
* different than the numbers stored in
* winPtr->changes because (a) they could be
* measured from the right or bottom edge
* of the screen (see WM_NEGATIVE_X and
* WM_NEGATIVE_Y flags) and (b) if the window
* has been reparented then they refer to the
* parent rather than the window itself. */
int borderWidth, borderHeight;
/* Width and height of window dressing, in
* pixels for the current style/exStyle. This
* includes the border on both sides of the
* window. */
int configWidth, configHeight;
/* Dimensions passed to last request that we
* issued to change geometry of window. Used
* to eliminate redundant resize operations. */
HMENU hMenu; /* the hMenu associated with this menu */
DWORD style, exStyle; /* Style flags for the wrapper window. */
LONG styleConfig; /* Extra user requested style bits */
LONG exStyleConfig; /* Extra user requested extended style bits */
Tcl_Obj *crefObj; /* COLORREF object for transparent handling */
COLORREF colorref; /* COLORREF for transparent handling */
double alpha; /* Alpha transparency level
* 0.0 (fully transparent) .. 1.0 (opaque) */
/*
* List of children of the toplevel which have private colormaps.
*/
TkWindow **cmapList; /* Array of window with private colormaps. */
int cmapCount; /* Number of windows in array. */
/*
* Miscellaneous information.
*/
ProtocolHandler *protPtr; /* First in list of protocol handlers for
* this window (NULL means none). */
int cmdArgc; /* Number of elements in cmdArgv below. */
CONST char **cmdArgv; /* Array of strings to store in the
* WM_COMMAND property. NULL means nothing
* available. */
char *clientMachine; /* String to store in WM_CLIENT_MACHINE
* property, or NULL. */
int flags; /* Miscellaneous flags, defined below. */
int numTransients; /* number of transients on this window */
WinIconPtr iconPtr; /* pointer to titlebar icon structure for
* this window, or NULL. */
struct TkWmInfo *nextPtr; /* Next in list of all top-level windows. */
} WmInfo;
/*
* Flag values for WmInfo structures:
*
* WM_NEVER_MAPPED - non-zero means window has never been
* mapped; need to update all info when
* window is first mapped.
* WM_UPDATE_PENDING - non-zero means a call to UpdateGeometryInfo
* has already been scheduled for this
* window; no need to schedule another one.
* WM_NEGATIVE_X - non-zero means x-coordinate is measured in
* pixels from right edge of screen, rather
* than from left edge.
* WM_NEGATIVE_Y - non-zero means y-coordinate is measured in
* pixels up from bottom of screen, rather than
* down from top.
* WM_UPDATE_SIZE_HINTS - non-zero means that new size hints need to be
* propagated to window manager. Not used on Win.
* WM_SYNC_PENDING - set to non-zero while waiting for the window
* manager to respond to some state change.
* WM_MOVE_PENDING - non-zero means the application has requested
* a new position for the window, but it hasn't
* been reflected through the window manager
* yet.
* WM_COLORMAPS_EXPLICIT - non-zero means the colormap windows were
* set explicitly via "wm colormapwindows".
* WM_ADDED_TOPLEVEL_COLORMAP - non-zero means that when "wm colormapwindows"
* was called the top-level itself wasn't
* specified, so we added it implicitly at
* the end of the list.
* WM_WIDTH_NOT_RESIZABLE - non-zero means that we're not supposed to
* allow the user to change the width of the
* window (controlled by "wm resizable"
* command).
* WM_HEIGHT_NOT_RESIZABLE - non-zero means that we're not supposed to
* allow the user to change the height of the
* window (controlled by "wm resizable"
* command).
* WM_WITHDRAWN - non-zero means that this window has explicitly
* been withdrawn. If it's a transient, it should
* not mirror state changes in the master.
*/
#define WM_NEVER_MAPPED (1<<0)
#define WM_UPDATE_PENDING (1<<1)
#define WM_NEGATIVE_X (1<<2)
#define WM_NEGATIVE_Y (1<<3)
#define WM_UPDATE_SIZE_HINTS (1<<4)
#define WM_SYNC_PENDING (1<<5)
#define WM_CREATE_PENDING (1<<6)
#define WM_MOVE_PENDING (1<<7)
#define WM_COLORMAPS_EXPLICIT (1<<8)
#define WM_ADDED_TOPLEVEL_COLORMAP (1<<9)
#define WM_WIDTH_NOT_RESIZABLE (1<<10)
#define WM_HEIGHT_NOT_RESIZABLE (1<<11)
#define WM_WITHDRAWN (1<<12)
/*
* Window styles for various types of toplevel windows.
*/
#define WM_OVERRIDE_STYLE (WS_CLIPCHILDREN|WS_CLIPSIBLINGS|CS_DBLCLKS)
#define EX_OVERRIDE_STYLE (WS_EX_TOOLWINDOW)
#define WM_TOPLEVEL_STYLE (WS_OVERLAPPEDWINDOW|WS_CLIPCHILDREN|CS_DBLCLKS)
#define EX_TOPLEVEL_STYLE (0)
#define WM_TRANSIENT_STYLE
(WS_POPUP|WS_CAPTION|WS_SYSMENU|WS_CLIPSIBLINGS|CS_DBLCLKS)
#define EX_TRANSIENT_STYLE (WS_EX_DLGMODALFRAME)
/*
* The following structure is the official type record for geometry
* management of top-level windows.
*/
static void TopLevelReqProc(ClientData dummy, Tk_Window tkwin);
static Tk_GeomMgr wmMgrType = {
"wm", /* name */
TopLevelReqProc, /* requestProc */
(Tk_GeomLostSlaveProc *) NULL, /* lostSlaveProc */
};
typedef struct ThreadSpecificData {
HPALETTE systemPalette; /* System palette; refers to the
* currently installed foreground logical
* palette. */
TkWindow *createWindow; /* Window that is being constructed. This
* value is set immediately before a
* call to CreateWindowEx, and is used
* by SetLimits. This is a gross hack
* needed to work around Windows brain
* damage where it sends the
* WM_GETMINMAXINFO message before the
* WM_CREATE window. */
int initialized; /* Flag indicating whether thread-
* specific elements of module have
* been initialized. */
int firstWindow; /* Flag, cleared when the first window
* is mapped in a non-iconic state. */
WinIconPtr iconPtr; /* IconPtr being used as default for all
* toplevels, or NULL. */
} ThreadSpecificData;
static Tcl_ThreadDataKey dataKey;
/*
* The following variables cannot be placed in thread local storage
* because they must be shared across threads.
*/
static int initialized; /* Flag indicating whether module has
* been initialized. */
/*
* A pointer to a shell proc which allows us to extract icons from
* any file. We just initialize this when we start up (if we can)
* and then it never changes
*/
DWORD* (WINAPI *shgetfileinfoProc) (LPCTSTR pszPath, DWORD dwFileAttributes,
SHFILEINFO* psfi, UINT cbFileInfo, UINT uFlags) = NULL;
/*
* A pointer to SetLayeredWindowAttributes (user32.dll) which we
* retrieve dynamically because it is only valid on Win2K+.
*/
BOOL (WINAPI *setLayeredWindowAttributesProc) (HWND hwnd, COLORREF crKey,
BYTE bAlpha, DWORD dwFlags) = NULL;
TCL_DECLARE_MUTEX(winWmMutex)
/*
* Forward declarations for procedures defined in this file:
*/
static int ActivateWindow _ANSI_ARGS_((Tcl_Event *evPtr,
int flags));
static void ConfigureTopLevel _ANSI_ARGS_((WINDOWPOS *pos));
static void GenerateConfigureNotify _ANSI_ARGS_((
TkWindow *winPtr));
static void GetMaxSize _ANSI_ARGS_((WmInfo *wmPtr,
int *maxWidthPtr, int *maxHeightPtr));
static void GetMinSize _ANSI_ARGS_((WmInfo *wmPtr,
int *minWidthPtr, int *minHeightPtr));
static TkWindow * GetTopLevel _ANSI_ARGS_((HWND hwnd));
static void InitWm _ANSI_ARGS_((void));
static int InstallColormaps _ANSI_ARGS_((HWND hwnd, int message,
int isForemost));
static void InvalidateSubTree _ANSI_ARGS_((TkWindow *winPtr,
Colormap colormap));
static void InvalidateSubTreeDepth _ANSI_ARGS_((TkWindow *winPtr));
static int ParseGeometry _ANSI_ARGS_((Tcl_Interp *interp,
char *string, TkWindow *winPtr));
static void RefreshColormap _ANSI_ARGS_((Colormap colormap,
TkDisplay *dispPtr));
static void SetLimits _ANSI_ARGS_((HWND hwnd, MINMAXINFO *info));
static void TkWmStackorderToplevelWrapperMap _ANSI_ARGS_((
TkWindow *winPtr,
Display *display,
Tcl_HashTable *table));
static LRESULT CALLBACK TopLevelProc _ANSI_ARGS_((HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam));
static void TopLevelEventProc _ANSI_ARGS_((ClientData clientData,
XEvent *eventPtr));
static void TopLevelReqProc _ANSI_ARGS_((ClientData dummy,
Tk_Window tkwin));
static void UpdateGeometryInfo _ANSI_ARGS_((
ClientData clientData));
static void UpdateWrapper _ANSI_ARGS_((TkWindow *winPtr));
static LRESULT CALLBACK WmProc _ANSI_ARGS_((HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam));
static void WmWaitVisibilityOrMapProc _ANSI_ARGS_((
ClientData clientData, XEvent *eventPtr));
static BlockOfIconImagesPtr ReadIconOrCursorFromFile _ANSI_ARGS_((
Tcl_Interp *interp, Tcl_Obj* fileName, BOOL isIcon));
static WinIconPtr ReadIconFromFile _ANSI_ARGS_((
Tcl_Interp *interp, Tcl_Obj *fileName));
static WinIconPtr GetIconFromPixmap _ANSI_ARGS_((Display *dsPtr,
Pixmap pixmap));
static int ReadICOHeader _ANSI_ARGS_((Tcl_Channel channel));
static BOOL AdjustIconImagePointers _ANSI_ARGS_((LPICONIMAGE lpImage));
static HICON MakeIconOrCursorFromResource
_ANSI_ARGS_((LPICONIMAGE lpIcon, BOOL isIcon));
static HICON GetIcon _ANSI_ARGS_((WinIconPtr titlebaricon,
int icon_size));
static int WinSetIcon _ANSI_ARGS_((Tcl_Interp *interp,
WinIconPtr titlebaricon, Tk_Window tkw));
static void FreeIconBlock _ANSI_ARGS_((BlockOfIconImagesPtr lpIR));
static void DecrIconRefCount _ANSI_ARGS_((WinIconPtr titlebaricon));
static int WmAspectCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmAttributesCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmClientCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmColormapwindowsCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmCommandCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmDeiconifyCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmFocusmodelCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmFrameCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmGeometryCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmGridCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmGroupCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmIconbitmapCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmIconifyCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmIconmaskCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmIconnameCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmIconphotoCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmIconpositionCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmIconwindowCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmMaxsizeCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmMinsizeCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmOverrideredirectCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmPositionfromCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmProtocolCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmResizableCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmSizefromCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmStackorderCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmStateCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmTitleCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmTransientCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmWithdrawCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static void WmUpdateGeom _ANSI_ARGS_((WmInfo *wmPtr,
TkWindow *winPtr));
/* Used in BytesPerLine */
#define WIDTHBYTES(bits) ((((bits) + 31)>>5)<<2)
/*
*----------------------------------------------------------------------
*
* DIBNumColors --
*
* Calculates the number of entries in the color table, given by
* LPSTR lpbi - pointer to the CF_DIB memory block. Used by
* titlebar icon code.
*
* Results:
*
* WORD - Number of entries in the color table.
*
* Side effects: None.
*
*
*----------------------------------------------------------------------
*/
static WORD
DIBNumColors( LPSTR lpbi )
{
WORD wBitCount;
DWORD dwClrUsed;
dwClrUsed = ((LPBITMAPINFOHEADER) lpbi)->biClrUsed;
if (dwClrUsed)
return (WORD) dwClrUsed;
wBitCount = ((LPBITMAPINFOHEADER) lpbi)->biBitCount;
switch (wBitCount)
{
case 1: return 2;
case 4: return 16;
case 8: return 256;
default:return 0;
}
}
/*
*----------------------------------------------------------------------
*
* PaletteSize --
*
* Calculates the number of bytes in the color table, as given by
* LPSTR lpbi - pointer to the CF_DIB memory block. Used by
* titlebar icon code.
*
* Results:
* number of bytes in the color table
*
* Side effects: None.
*
*
*----------------------------------------------------------------------
*/
static WORD
PaletteSize( LPSTR lpbi )
{
return ((WORD)( DIBNumColors( lpbi ) * sizeof( RGBQUAD )) );
}
/*
*----------------------------------------------------------------------
*
* FindDIBits --
*
* Locate the image bits in a CF_DIB format DIB, as given by
* LPSTR lpbi - pointer to the CF_DIB memory block. Used by
* titlebar icon code.
*
* Results:
* pointer to the image bits
*
* Side effects: None
*
*
*----------------------------------------------------------------------
*/
static LPSTR
FindDIBBits( LPSTR lpbi )
{
return ( lpbi + *(LPDWORD)lpbi + PaletteSize( lpbi ) );
}
/*
*----------------------------------------------------------------------
*
* BytesPerLine --
*
* Calculates the number of bytes in one scan line, as given by
* LPBITMAPINFOHEADER lpBMIH - pointer to the BITMAPINFOHEADER
* that begins the CF_DIB block. Used by titlebar icon code.
*
* Results:
* number of bytes in one scan line (DWORD aligned)
*
* Side effects: None
*
*
*----------------------------------------------------------------------
*/
static DWORD
BytesPerLine( LPBITMAPINFOHEADER lpBMIH )
{
return WIDTHBYTES(lpBMIH->biWidth * lpBMIH->biPlanes * lpBMIH->biBitCount);
}
/*
*----------------------------------------------------------------------
*
* AdjustIconImagePointers --
*
* Adjusts internal pointers in icon resource struct, as given
* by LPICONIMAGE lpImage - the resource to handle. Used by
* titlebar icon code.
*
* Results:
* BOOL - TRUE for success, FALSE for failure
*
* Side effects:
*
*
*----------------------------------------------------------------------
*/
static BOOL
AdjustIconImagePointers( LPICONIMAGE lpImage )
{
/* Sanity check */
if (lpImage==NULL)
return FALSE;
/* BITMAPINFO is at beginning of bits */
lpImage->lpbi = (LPBITMAPINFO)lpImage->lpBits;
/* Width - simple enough */
lpImage->Width = lpImage->lpbi->bmiHeader.biWidth;
/*
* Icons are stored in funky format where height is doubled
* so account for that
*/
lpImage->Height = (lpImage->lpbi->bmiHeader.biHeight)/2;
/* How many colors? */
lpImage->Colors = lpImage->lpbi->bmiHeader.biPlanes *
lpImage->lpbi->bmiHeader.biBitCount;
/* XOR bits follow the header and color table */
lpImage->lpXOR = (LPBYTE)FindDIBBits(((LPSTR)lpImage->lpbi));
/* AND bits follow the XOR bits */
lpImage->lpAND = lpImage->lpXOR + (lpImage->Height*
BytesPerLine((LPBITMAPINFOHEADER)(lpImage->lpbi)));
return TRUE;
}
/*
*----------------------------------------------------------------------
*
* MakeIconOrCursorFromResource --
*
* Construct an actual HICON structure from the information
* in a resource.
*
* Results:
*
*
* Side effects:
*
*
*----------------------------------------------------------------------
*/
static HICON
MakeIconOrCursorFromResource(LPICONIMAGE lpIcon, BOOL isIcon) {
HICON hIcon ;
static FARPROC pfnCreateIconFromResourceEx=NULL;
static int initinfo=0;
/* Sanity Check */
if (lpIcon == NULL)
return NULL;
if (lpIcon->lpBits == NULL)
return NULL;
if (!initinfo) {
HMODULE hMod = GetModuleHandleA("USER32.DLL");
initinfo=1;
if (hMod){
pfnCreateIconFromResourceEx =
GetProcAddress(hMod, "CreateIconFromResourceEx");
}
}
/* Let the OS do the real work :) */
if (pfnCreateIconFromResourceEx!=NULL) {
hIcon = (HICON) (pfnCreateIconFromResourceEx)
(lpIcon->lpBits, lpIcon->dwNumBytes, isIcon, 0x00030000,
(*(LPBITMAPINFOHEADER)(lpIcon->lpBits)).biWidth,
(*(LPBITMAPINFOHEADER)(lpIcon->lpBits)).biHeight/2, 0);
} else {
hIcon = NULL;
}
/* It failed, odds are good we're on NT so try the non-Ex way */
if (hIcon == NULL) {
/* We would break on NT if we try with a 16bpp image */
if (lpIcon->lpbi->bmiHeader.biBitCount != 16) {
hIcon = CreateIconFromResource(lpIcon->lpBits, lpIcon->dwNumBytes,
isIcon, 0x00030000);
}
}
return hIcon;
}
/*
*----------------------------------------------------------------------
*
* ReadICOHeader --
*
* Reads the header from an ICO file, as specfied by channel.
*
* Results:
* UINT - Number of images in file, -1 for failure.
* If this succeeds, there is a decent chance this is a
* valid icon file.
*
* Side effects:
*
*
*----------------------------------------------------------------------
*/
static int
ReadICOHeader( Tcl_Channel channel )
{
WORD Input;
DWORD dwBytesRead;
/* Read the 'reserved' WORD */
dwBytesRead = Tcl_Read( channel, (char*)&Input, sizeof( WORD ));
/* Did we get a WORD? */
if (dwBytesRead != sizeof( WORD ))
return -1;
/* Was it 'reserved' ? (ie 0) */
if (Input != 0)
return -1;
/* Read the type WORD */
dwBytesRead = Tcl_Read( channel, (char*)&Input, sizeof( WORD ));
/* Did we get a WORD? */
if (dwBytesRead != sizeof( WORD ))
return -1;
/* Was it type 1? */
if (Input != 1)
return -1;
/* Get the count of images */
dwBytesRead = Tcl_Read( channel, (char*)&Input, sizeof( WORD ));
/* Did we get a WORD? */
if (dwBytesRead != sizeof( WORD ))
return -1;
/* Return the count */
return (int)Input;
}
/*
*----------------------------------------------------------------------
*
* InitWindowClass --
*
* This routine creates the Wm toplevel decorative frame class.
*
* Results:
* None.
*
* Side effects:
* Registers a new window class.
*
*----------------------------------------------------------------------
*/
static int
InitWindowClass(WinIconPtr titlebaricon)
{
ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
if (! tsdPtr->initialized) {
tsdPtr->initialized = 1;
tsdPtr->firstWindow = 1;
tsdPtr->iconPtr = NULL;
}
if (! initialized) {
Tcl_MutexLock(&winWmMutex);
if (! initialized) {
Tcl_DString classString;
WNDCLASS class;
initialized = 1;
if (shgetfileinfoProc == NULL) {
HINSTANCE hInstance = LoadLibraryA("shell32");
if (hInstance != NULL) {
shgetfileinfoProc =
(DWORD* (WINAPI *) (LPCTSTR pszPath, DWORD dwFileAttributes,
SHFILEINFO* psfi, UINT cbFileInfo, UINT uFlags)) GetProcAddress(hInstance,
"SHGetFileInfo");
FreeLibrary(hInstance);
}
}
if (setLayeredWindowAttributesProc == NULL) {
HINSTANCE hInstance = LoadLibraryA("user32");
if (hInstance != NULL) {
setLayeredWindowAttributesProc =
(BOOL (WINAPI *) (HWND hwnd, COLORREF crKey,
BYTE bAlpha, DWORD dwFlags))
GetProcAddress(hInstance,
"SetLayeredWindowAttributes");
FreeLibrary(hInstance);
}
}
/*
* The only difference between WNDCLASSW and WNDCLASSA are
* in pointers, so we can use the generic structure WNDCLASS.
*/
ZeroMemory(&class, sizeof(WNDCLASS));
class.style = CS_HREDRAW | CS_VREDRAW;
class.hInstance = Tk_GetHINSTANCE();
Tcl_WinUtfToTChar(TK_WIN_TOPLEVEL_CLASS_NAME, -1, &classString);
class.lpszClassName = (LPCTSTR) Tcl_DStringValue(&classString);
class.lpfnWndProc = WmProc;
if (titlebaricon == NULL) {
class.hIcon = LoadIcon(Tk_GetHINSTANCE(), "tk");
} else {
class.hIcon = GetIcon(titlebaricon, ICON_BIG);
if (class.hIcon == NULL) {
return TCL_ERROR;
}
/*
* Store pointer to default icon so we know when
* we need to free that information
*/
tsdPtr->iconPtr = titlebaricon;
}
class.hCursor = LoadCursor(NULL, IDC_ARROW);
if (!(*tkWinProcs->registerClass)(&class)) {
Tcl_Panic("Unable to register TkTopLevel class");
}
Tcl_DStringFree(&classString);
}
Tcl_MutexUnlock(&winWmMutex);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* InitWm --
*
* This initialises the window manager
*
* Results:
* None.
*
* Side effects:
* Registers a new window class.
*
*----------------------------------------------------------------------
*/
static void
InitWm(void)
{
/* Ignore return result */
(void) InitWindowClass(NULL);
}
/*
*----------------------------------------------------------------------
*
* WinSetIcon --
*
* Sets either the default toplevel titlebar icon, or the icon
* for a specific toplevel (if tkw is given, then only that
* window is used).
*
* The ref-count of the titlebaricon is NOT changed. If this
* function returns successfully, the caller should assume
* the icon was used (and therefore the ref-count should
* be adjusted to reflect that fact). If the function returned
* an error, the caller should assume the icon was not used
* (and may wish to free the memory associated with it).
*
* Results:
* A standard Tcl return code.
*
* Side effects:
* One or all windows may have their icon changed.
* The Tcl result may be modified.
* The window-manager will be initialised if it wasn't already.
* The given window will be forced into existence.
*
*----------------------------------------------------------------------
*/
static int
WinSetIcon(interp, titlebaricon, tkw)
Tcl_Interp *interp;
WinIconPtr titlebaricon;
Tk_Window tkw;
{
WmInfo *wmPtr;
HWND hwnd;
int application = 0;
if (tkw == NULL) {
tkw = Tk_MainWindow(interp);
application = 1;
}
if (!(Tk_IsTopLevel(tkw))) {
Tcl_AppendResult(interp, "window "", Tk_PathName(tkw),
"" isn't a top-level window", (char *) NULL);
return TCL_ERROR;
}
if (Tk_WindowId(tkw) == None) {
Tk_MakeWindowExist(tkw);
}
/* We must get the window's wrapper, not the window itself */
wmPtr = ((TkWindow*)tkw)->wmInfoPtr;
hwnd = wmPtr->wrapper;
if (application) {
if (hwnd == NULL) {
/*
* I don't actually think this is ever the correct thing, unless
* perhaps the window doesn't have a wrapper. But I believe all
* windows have wrappers.
*/
hwnd = Tk_GetHWND(Tk_WindowId(tkw));
}
/*
* If we aren't initialised, then just initialise with the user's
* icon. Otherwise our icon choice will be ignored moments later
* when Tk finishes initialising.
*/
if (!initialized) {
if (InitWindowClass(titlebaricon) != TCL_OK) {
Tcl_AppendResult(interp,"Unable to set icon", (char*)NULL);
return TCL_ERROR;
}
} else {
ThreadSpecificData *tsdPtr;
if (
#ifdef _WIN64
!SetClassLongPtr(hwnd, GCLP_HICONSM,
(LPARAM)GetIcon(titlebaricon, ICON_SMALL))
#else
!SetClassLong(hwnd, GCL_HICONSM,
(LPARAM)GetIcon(titlebaricon, ICON_SMALL))
#endif
) {
/*
* For some reason this triggers, even though it seems
* to be successful This is probably related to the
* WNDCLASS vs WNDCLASSEX difference. Anyway it seems
* we have to ignore errors returned here.
*/
/*
* Tcl_AppendResult(interp,"Unable to set new small icon", (char*)NULL);
* return TCL_ERROR;
*/
}
if (
#ifdef _WIN64
!SetClassLongPtr(hwnd, GCLP_HICON,
(LPARAM)GetIcon(titlebaricon, ICON_BIG))
#else
!SetClassLong(hwnd, GCL_HICON,
(LPARAM)GetIcon(titlebaricon, ICON_BIG))
#endif
) {
Tcl_AppendResult(interp,"Unable to set new icon", (char*)NULL);
return TCL_ERROR;
}
tsdPtr = (ThreadSpecificData *)
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
if (tsdPtr->iconPtr != NULL) {
DecrIconRefCount(tsdPtr->iconPtr);
}
tsdPtr->iconPtr = titlebaricon;
}
} else {
if (!initialized) {
/*
* Need to initialise the wm otherwise we will fail on
* code which tries to set a toplevel's icon before that
* happens. Ignore return result.
*/
(void)InitWindowClass(NULL);
}
/*
* The following code is exercised if you do
*
* toplevel .t ; wm titlebaricon .t foo.icr
*
* i.e. the wm hasn't had time to properly create
* the '.t' window before you set the icon.
*/
if (hwnd == NULL) {
/*
* This little snippet is copied from the 'Map' function,
* and should probably be placed in one proper location
*/
UpdateWrapper(wmPtr->winPtr);
wmPtr = ((TkWindow*)tkw)->wmInfoPtr;
hwnd = wmPtr->wrapper;
if (hwnd == NULL) {
Tcl_AppendResult(interp,
"Can't set icon; window has no wrapper.", (char*)NULL);
return TCL_ERROR;
}
}
SendMessage(hwnd, WM_SETICON, ICON_SMALL,
(LPARAM) GetIcon(titlebaricon, ICON_SMALL));
SendMessage(hwnd, WM_SETICON, ICON_BIG,
(LPARAM) GetIcon(titlebaricon, ICON_BIG));
/* Update the iconPtr we keep for each WmInfo structure. */
if (wmPtr->iconPtr != NULL) {
/* Free any old icon ptr which is associated with this window. */
DecrIconRefCount(wmPtr->iconPtr);
}
/*
* We do not need to increment the ref count for the
* titlebaricon, because it was already incremented when we
* retrieved it.
*/
wmPtr->iconPtr = titlebaricon;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TkWinGetIcon --
*
* Gets either the default toplevel titlebar icon, or the icon
* for a specific toplevel (ICON_SMALL or ICON_BIG).
*
* Results:
* A Windows HICON.
*
* Side effects:
* The given window will be forced into existence.
*
*----------------------------------------------------------------------
*/
HICON
TkWinGetIcon(Tk_Window tkwin, DWORD iconsize)
{
WmInfo *wmPtr;
HICON icon;
ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
if (tsdPtr->iconPtr != NULL) {
/*
* return default toplevel icon
*/
return GetIcon(tsdPtr->iconPtr, iconsize);
}
/* ensure we operate on the toplevel, that has the icon refs */
while (!Tk_IsTopLevel(tkwin)) {
tkwin = Tk_Parent(tkwin);
if (tkwin == NULL) {
return NULL;
}
}
if (Tk_WindowId(tkwin) == None) {
Tk_MakeWindowExist(tkwin);
}
wmPtr = ((TkWindow *) tkwin)->wmInfoPtr;
if (wmPtr->iconPtr != NULL) {
/*
* return window toplevel icon
*/
return GetIcon(wmPtr->iconPtr, iconsize);
}
/*
* Find the icon otherwise associated with the toplevel, or
* finally with the window class.
*/
icon = (HICON) SendMessage(wmPtr->wrapper, WM_GETICON, iconsize,
(LPARAM) NULL);
if (icon == (HICON) NULL) {
#ifdef _WIN64
icon = (HICON) GetClassLongPtr(wmPtr->wrapper,
(iconsize == ICON_BIG) ? GCLP_HICON : GCLP_HICONSM);
#else
icon = (HICON) GetClassLong(wmPtr->wrapper,
(iconsize == ICON_BIG) ? GCL_HICON : GCL_HICONSM);
#endif
}
return icon;
}
/*
*----------------------------------------------------------------------
*
* ReadIconFromFile --
*
* Read the contents of a file (usually .ico, .icr) and extract an
* icon resource, if possible, otherwise check if the shell has an
* icon assigned to the given file and use that. If both of those
* fail, then NULL is returned, and an error message will already be
* in the interpreter.
*
* Results:
* A WinIconPtr structure containing the icons in the file, with
* its ref count already incremented. The calling procedure should
* either place this structure inside a WmInfo structure, or it should
* pass it on to DecrIconRefCount() to ensure no memory leaks occur.
*
* If the given fileName did not contain a valid icon structure,
* return NULL.
*
* Side effects:
* Memory is allocated for the returned structure and the icons
* it contains. If the structure is not wanted, it should be
* passed to DecrIconRefCount, and in any case a valid ref count
* should be ensured to avoid memory leaks.
*
* Currently icon resources are not shared, so the ref count of
* one of these structures will always be 0 or 1. However all we
* need do is implement some sort of lookup function between
* filenames and WinIconPtr structures and no other code will need
* to be changed. The pseudo-code for this is implemented below
* in the 'if (0)' branch. It did not seem necessary to implement
* this optimisation here, since moving to icon<->image
* conversions will probably make it obsolete.
*
*----------------------------------------------------------------------
*/
static WinIconPtr
ReadIconFromFile(interp, fileName)
Tcl_Interp *interp;
Tcl_Obj *fileName;
{
WinIconPtr titlebaricon = NULL;
if (0 /* If we already have an icon for this filename */) {
titlebaricon = NULL; /* Get the real value from a lookup */
titlebaricon->refCount++;
return titlebaricon;
} else {
/* First check if it is a .ico file */
BlockOfIconImagesPtr lpIR;
lpIR = ReadIconOrCursorFromFile(interp, fileName, TRUE);
/*
* Then see if we can ask the shell for the icon for this file.
* We want both the regular and small icons so that the Alt-Tab
* (task-switching) display uses the right icon.
*/
if (lpIR == NULL && shgetfileinfoProc != NULL) {
SHFILEINFO sfiSM;
Tcl_DString ds, ds2;
DWORD *res;
CONST char *file;
file = Tcl_TranslateFileName(interp, Tcl_GetString(fileName), &ds);
if (file == NULL) { return NULL; }
Tcl_UtfToExternalDString(NULL, file, -1, &ds2);
Tcl_DStringFree(&ds);
res = (*shgetfileinfoProc)(Tcl_DStringValue(&ds2), 0, &sfiSM,
sizeof(SHFILEINFO), SHGFI_SMALLICON|SHGFI_ICON);
if (res != 0) {
SHFILEINFO sfi;
int size;
Tcl_ResetResult(interp);
res = (*shgetfileinfoProc)(Tcl_DStringValue(&ds2), 0, &sfi,
sizeof(SHFILEINFO), SHGFI_ICON);
/* Account for extra icon, if necessary */
size = sizeof(BlockOfIconImages) +
((res != 0) ? sizeof(ICONIMAGE) : 0);
lpIR = (BlockOfIconImagesPtr) ckalloc(size);
if (lpIR == NULL) {
if (res != 0) {
DestroyIcon(sfi.hIcon);
}
DestroyIcon(sfiSM.hIcon);
Tcl_DStringFree(&ds2);
return NULL;
}
ZeroMemory(lpIR, size);
lpIR->nNumImages = ((res != 0) ? 2 : 1);
lpIR->IconImages[0].Width = 16;
lpIR->IconImages[0].Height = 16;
lpIR->IconImages[0].Colors = 4;
lpIR->IconImages[0].hIcon = sfiSM.hIcon;
/* All other IconImages fields are ignored */
if (res != 0) {
lpIR->IconImages[1].Width = 32;
lpIR->IconImages[1].Height = 32;
lpIR->IconImages[1].Colors = 4;
lpIR->IconImages[1].hIcon = sfi.hIcon;
}
}
Tcl_DStringFree(&ds2);
}
if (lpIR != NULL) {
titlebaricon = (WinIconPtr) ckalloc(sizeof(WinIconInstance));
titlebaricon->iconBlock = lpIR;
titlebaricon->refCount = 1;
}
return titlebaricon;
}
}
/*
*----------------------------------------------------------------------
*
* GetIconFromPixmap --
*
* Turn a Tk Pixmap (i.e. a bitmap) into an icon resource, if
* possible, otherwise NULL is returned.
*
* Results:
* A WinIconPtr structure containing a conversion of the given
* bitmap into an icon, with its ref count already incremented. The
* calling procedure should either place this structure inside a
* WmInfo structure, or it should pass it on to DecrIconRefCount()
* to ensure no memory leaks occur.
*
* If the given pixmap did not contain a valid icon structure,
* return NULL.
*
* Side effects:
* Memory is allocated for the returned structure and the icons
* it contains. If the structure is not wanted, it should be
* passed to DecrIconRefCount, and in any case a valid ref count
* should be ensured to avoid memory leaks.
*
* Currently icon resources are not shared, so the ref count of
* one of these structures will always be 0 or 1. However all we
* need do is implement some sort of lookup function between
* pixmaps and WinIconPtr structures and no other code will need
* to be changed.
*
*----------------------------------------------------------------------
*/
static WinIconPtr
GetIconFromPixmap(dsPtr, pixmap)
Display *dsPtr;
Pixmap pixmap;
{
WinIconPtr titlebaricon = NULL;
TkWinDrawable* twdPtr = (TkWinDrawable*) pixmap;
if (twdPtr == NULL) {
return NULL;
}
if (0 /* If we already have an icon for this pixmap */) {
titlebaricon = NULL; /* Get the real value from a lookup */
titlebaricon->refCount++;
return titlebaricon;
} else {
BlockOfIconImagesPtr lpIR;
ICONINFO icon;
HICON hIcon;
int width, height;
Tk_SizeOfBitmap(dsPtr, pixmap, &width, &height);
icon.fIcon = TRUE;
icon.xHotspot = 0;
icon.yHotspot = 0;
icon.hbmMask = twdPtr->bitmap.handle;
icon.hbmColor = twdPtr->bitmap.handle;
hIcon = CreateIconIndirect(&icon);
if (hIcon == NULL) {
return NULL;
}
lpIR = (BlockOfIconImagesPtr) ckalloc(sizeof(BlockOfIconImages));
if (lpIR == NULL) {
DestroyIcon(hIcon);
return NULL;
}
lpIR->nNumImages = 1;
lpIR->IconImages[0].Width = width;
lpIR->IconImages[0].Height = height;
lpIR->IconImages[0].Colors = 1 << twdPtr->bitmap.depth;
lpIR->IconImages[0].hIcon = hIcon;
/* These fields are ignored */
lpIR->IconImages[0].lpBits = 0;
lpIR->IconImages[0].dwNumBytes = 0;
lpIR->IconImages[0].lpXOR = 0;
lpIR->IconImages[0].lpAND = 0;
titlebaricon = (WinIconPtr) ckalloc(sizeof(WinIconInstance));
titlebaricon->iconBlock = lpIR;
titlebaricon->refCount = 1;
return titlebaricon;
}
}
/*
*----------------------------------------------------------------------
*
* DecrIconRefCount --
*
* Reduces the reference count.
*
* Results:
* None.
*
* Side effects:
* If the ref count falls to zero, free the memory associated
* with the icon resource structures. In this case the pointer
* passed into this function is no longer valid.
*
*----------------------------------------------------------------------
*/
static void
DecrIconRefCount(WinIconPtr titlebaricon) {
titlebaricon->refCount--;
if (titlebaricon->refCount <= 0) {
if (titlebaricon->iconBlock != NULL) {
FreeIconBlock(titlebaricon->iconBlock);
}
titlebaricon->iconBlock = NULL;
ckfree((char*)titlebaricon);
}
}
/*
*----------------------------------------------------------------------
*
* FreeIconBlock --
*
* Frees all memory associated with a previously loaded
* titlebaricon. The icon block pointer is no longer
* valid once this function returns.
*
* Results:
* None.
*
* Side effects:
*
*
*----------------------------------------------------------------------
*/
static void
FreeIconBlock(BlockOfIconImagesPtr lpIR)
{
int i;
/* Free all the bits */
for (i=0; i< lpIR->nNumImages; i++) {
if (lpIR->IconImages[i].lpBits != NULL) {
ckfree((char*)lpIR->IconImages[i].lpBits);
}
if (lpIR->IconImages[i].hIcon != NULL) {
DestroyIcon(lpIR->IconImages[i].hIcon);
}
}
ckfree ((char*)lpIR);
}
/*
*----------------------------------------------------------------------
*
* GetIcon --
*
* Extracts an icon of a given size from an icon resource
*
* Results:
* Returns the icon, if found, else NULL.
*
* Side effects:
*
*
*----------------------------------------------------------------------
*/
static HICON
GetIcon(WinIconPtr titlebaricon, int icon_size)
{
BlockOfIconImagesPtr lpIR;
if (titlebaricon == NULL) {
return NULL;
}
lpIR = titlebaricon->iconBlock;
if (lpIR == NULL) {
return NULL;
} else {
unsigned int size = (icon_size == 0 ? 16 : 32);
int i;
for (i = 0; i < lpIR->nNumImages; i++) {
/* Take the first or a 32x32 16 color icon*/
if ((lpIR->IconImages[i].Height == size)
&& (lpIR->IconImages[i].Width == size)
&& (lpIR->IconImages[i].Colors >= 4)) {
return lpIR->IconImages[i].hIcon;
}
}
/*
* If we get here, then just return the first one,
* it will have to do!
*/
if (lpIR->nNumImages >= 1) {
return lpIR->IconImages[0].hIcon;
}
}
return NULL;
}
static HCURSOR
TclWinReadCursorFromFile(Tcl_Interp* interp, Tcl_Obj* fileName)
{
BlockOfIconImagesPtr lpIR;
HICON res = NULL;
lpIR = ReadIconOrCursorFromFile(interp, fileName, FALSE);
if (lpIR == NULL) {
return NULL;
}
if (lpIR->nNumImages >= 1) {
res = CopyImage(lpIR->IconImages[0].hIcon, IMAGE_CURSOR,0,0,0);
}
FreeIconBlock(lpIR);
return res;
}
/*
*----------------------------------------------------------------------
*
* ReadIconOrCursorFromFile --
*
* Reads an Icon Resource from an ICO file, as given by
* char* fileName - Name of the ICO file. This name should
* be in Utf format.
*
* Results:
* Returns an icon resource, if found, else NULL.
*
* Side effects:
* May leave error messages in the Tcl interpreter.
*
*----------------------------------------------------------------------
*/
static BlockOfIconImagesPtr
ReadIconOrCursorFromFile(Tcl_Interp* interp, Tcl_Obj* fileName, BOOL isIcon)
{
BlockOfIconImagesPtr lpIR, lpNew;
Tcl_Channel channel;
int i;
DWORD dwBytesRead;
LPICONDIRENTRY lpIDE;
/* Open the file */
channel = Tcl_FSOpenFileChannel(interp, fileName, "r", 0);
if (channel == NULL) {
Tcl_AppendResult(interp,"Error opening file "",
Tcl_GetString(fileName),
"" for reading",(char*)NULL);
return NULL;
}
if (Tcl_SetChannelOption(interp, channel, "-translation", "binary")
!= TCL_OK) {
Tcl_Close(NULL, channel);
return NULL;
}
if (Tcl_SetChannelOption(interp, channel, "-encoding", "binary")
!= TCL_OK) {
Tcl_Close(NULL, channel);
return NULL;
}
/* Allocate memory for the resource structure */
lpIR = (BlockOfIconImagesPtr) ckalloc(sizeof(BlockOfIconImages));
if (lpIR == NULL) {
Tcl_AppendResult(interp,"Error allocating memory",(char*)NULL);
Tcl_Close(NULL, channel);
return NULL;
}
/* Read in the header */
if ((lpIR->nNumImages = ReadICOHeader( channel )) == -1) {
Tcl_AppendResult(interp,"Invalid file header",(char*)NULL);
Tcl_Close(NULL, channel);
ckfree((char*) lpIR );
return NULL;
}
/* Adjust the size of the struct to account for the images */
lpNew = (BlockOfIconImagesPtr) ckrealloc((char*)lpIR,
sizeof(BlockOfIconImages) + ((lpIR->nNumImages-1) * sizeof(ICONIMAGE)));
if (lpNew == NULL) {
Tcl_AppendResult(interp,"Error allocating memory",(char*)NULL);
Tcl_Close(NULL, channel);
ckfree( (char*)lpIR );
return NULL;
}
lpIR = lpNew;
/* Allocate enough memory for the icon directory entries */
lpIDE = (LPICONDIRENTRY) ckalloc(lpIR->nNumImages * sizeof(ICONDIRENTRY));
if (lpIDE == NULL) {
Tcl_AppendResult(interp,"Error allocating memory",(char*)NULL);
Tcl_Close(NULL, channel);
ckfree( (char*)lpIR );
return NULL;
}
/* Read in the icon directory entries */
dwBytesRead = Tcl_Read(channel, (char*)lpIDE,
lpIR->nNumImages * sizeof( ICONDIRENTRY ));
if (dwBytesRead != lpIR->nNumImages * sizeof( ICONDIRENTRY )) {
Tcl_AppendResult(interp,"Error reading file",(char*)NULL);
Tcl_Close(NULL, channel);
ckfree( (char*)lpIR );
return NULL;
}
/* NULL-out everything to make memory management easier */
for( i = 0; i < lpIR->nNumImages; i++ ) {
lpIR->IconImages[i].lpBits = NULL;
}
/* Loop through and read in each image */
for( i = 0; i < lpIR->nNumImages; i++ ) {
/* Allocate memory for the resource */
lpIR->IconImages[i].lpBits = (LPBYTE) ckalloc(lpIDE[i].dwBytesInRes);
if (lpIR->IconImages[i].lpBits == NULL) {
Tcl_AppendResult(interp,"Error allocating memory",(char*)NULL);
goto readError;
}
lpIR->IconImages[i].dwNumBytes = lpIDE[i].dwBytesInRes;
/* Seek to beginning of this image */
if (Tcl_Seek(channel, lpIDE[i].dwImageOffset, FILE_BEGIN) == -1) {
Tcl_AppendResult(interp,"Error seeking in file",(char*)NULL);
goto readError;
}
/* Read it in */
dwBytesRead = Tcl_Read( channel, lpIR->IconImages[i].lpBits,
lpIDE[i].dwBytesInRes);
if (dwBytesRead != lpIDE[i].dwBytesInRes) {
Tcl_AppendResult(interp,"Error reading file",(char*)NULL);
goto readError;
}
/* Set the internal pointers appropriately */
if (!AdjustIconImagePointers( &(lpIR->IconImages[i]))) {
Tcl_AppendResult(interp,"Error converting to internal format",
(char*)NULL);
goto readError;
}
lpIR->IconImages[i].hIcon =
MakeIconOrCursorFromResource(&(lpIR->IconImages[i]), isIcon);
}
/* Clean up */
ckfree((char*)lpIDE);
Tcl_Close(NULL, channel);
if (lpIR == NULL){
Tcl_AppendResult(interp,"Reading of ", Tcl_GetString(fileName),
" failed!",(char*)NULL);
return NULL;
}
return lpIR;
readError:
Tcl_Close(NULL, channel);
for( i = 0; i < lpIR->nNumImages; i++ ) {
if (lpIR->IconImages[i].lpBits != NULL) {
ckfree((char*)lpIR->IconImages[i].lpBits);
}
}
ckfree((char*)lpIDE );
ckfree((char*)lpIR );
return NULL;
}
/*
*----------------------------------------------------------------------
*
* GetTopLevel --
*
* This function retrieves the TkWindow associated with the
* given HWND.
*
* Results:
* Returns the matching TkWindow.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static TkWindow *
GetTopLevel(hwnd)
HWND hwnd;
{
ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
/*
* If this function is called before the CreateWindowEx call
* has completed, then the user data slot will not have been
* set yet, so we use the global createWindow variable.
*/
if (tsdPtr->createWindow) {
return tsdPtr->createWindow;
}
#ifdef _WIN64
return (TkWindow *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
#else
return (TkWindow *) GetWindowLong(hwnd, GWL_USERDATA);
#endif
}
/*
*----------------------------------------------------------------------
*
* SetLimits --
*
* Updates the minimum and maximum window size constraints.
*
* Results:
* None.
*
* Side effects:
* Changes the values of the info pointer to reflect the current
* minimum and maximum size values.
*
*----------------------------------------------------------------------
*/
static void
SetLimits(hwnd, info)
HWND hwnd;
MINMAXINFO *info;
{
register WmInfo *wmPtr;
int maxWidth, maxHeight;
int minWidth, minHeight;
int base;
TkWindow *winPtr = GetTopLevel(hwnd);
if (winPtr == NULL) {
return;
}
wmPtr = winPtr->wmInfoPtr;
/*
* Copy latest constraint info.
*/
wmPtr->defMinWidth = info->ptMinTrackSize.x;
wmPtr->defMinHeight = info->ptMinTrackSize.y;
wmPtr->defMaxWidth = info->ptMaxTrackSize.x;
wmPtr->defMaxHeight = info->ptMaxTrackSize.y;
GetMaxSize(wmPtr, &maxWidth, &maxHeight);
GetMinSize(wmPtr, &minWidth, &minHeight);
if (wmPtr->gridWin != NULL) {
base = winPtr->reqWidth - (wmPtr->reqGridWidth * wmPtr->widthInc);
if (base < 0) {
base = 0;
}
base += wmPtr->borderWidth;
info->ptMinTrackSize.x = base + (minWidth * wmPtr->widthInc);
info->ptMaxTrackSize.x = base + (maxWidth * wmPtr->widthInc);
base = winPtr->reqHeight - (wmPtr->reqGridHeight * wmPtr->heightInc);
if (base < 0) {
base = 0;
}
base += wmPtr->borderHeight;
info->ptMinTrackSize.y = base + (minHeight * wmPtr->heightInc);
info->ptMaxTrackSize.y = base + (maxHeight * wmPtr->heightInc);
} else {
info->ptMaxTrackSize.x = maxWidth + wmPtr->borderWidth;
info->ptMaxTrackSize.y = maxHeight + wmPtr->borderHeight;
info->ptMinTrackSize.x = minWidth + wmPtr->borderWidth;
info->ptMinTrackSize.y = minHeight + wmPtr->borderHeight;
}
/*
* If the window isn't supposed to be resizable, then set the
* minimum and maximum dimensions to be the same as the current size.
*/
if (!(wmPtr->flags & WM_SYNC_PENDING)) {
if (wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) {
info->ptMinTrackSize.x = winPtr->changes.width
+ wmPtr->borderWidth;
info->ptMaxTrackSize.x = info->ptMinTrackSize.x;
}
if (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE) {
info->ptMinTrackSize.y = winPtr->changes.height
+ wmPtr->borderHeight;
info->ptMaxTrackSize.y = info->ptMinTrackSize.y;
}
}
}
/*
*----------------------------------------------------------------------
*
* TkWinWmCleanup --
*
* Unregisters classes registered by the window manager. This is
* called from the DLL main entry point when the DLL is unloaded.
*
* Results:
* None.
*
* Side effects:
* The window classes are discarded.
*
*----------------------------------------------------------------------
*/
void
TkWinWmCleanup(hInstance)
HINSTANCE hInstance;
{
ThreadSpecificData *tsdPtr;
/*
* If we're using stubs to access the Tcl library, and they
* haven't been initialized, we can't call Tcl_GetThreadData.
*/
#ifdef USE_TCL_STUBS
if (tclStubsPtr == NULL) {
return;
}
#endif
if (!initialized) {
return;
}
initialized = 0;
tsdPtr = (ThreadSpecificData *)
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
if (!tsdPtr->initialized) {
return;
}
tsdPtr->initialized = 0;
UnregisterClass(TK_WIN_TOPLEVEL_CLASS_NAME, hInstance);
}
/*
*--------------------------------------------------------------
*
* TkWmNewWindow --
*
* This procedure is invoked whenever a new top-level
* window is created. Its job is to initialize the WmInfo
* structure for the window.
*
* Results:
* None.
*
* Side effects:
* A WmInfo structure gets allocated and initialized.
*
*--------------------------------------------------------------
*/
void
TkWmNewWindow(winPtr)
TkWindow *winPtr; /* Newly-created top-level window. */
{
register WmInfo *wmPtr;
wmPtr = (WmInfo *) ckalloc(sizeof(WmInfo));
/*
* Initialize full structure, then set what isn't NULL
*/
ZeroMemory(wmPtr, sizeof(WmInfo));
winPtr->wmInfoPtr = wmPtr;
wmPtr->winPtr = winPtr;
wmPtr->hints.flags = InputHint | StateHint;
wmPtr->hints.input = True;
wmPtr->hints.initial_state = NormalState;
wmPtr->hints.icon_pixmap = None;
wmPtr->hints.icon_window = None;
wmPtr->hints.icon_x = wmPtr->hints.icon_y = 0;
wmPtr->hints.icon_mask = None;
wmPtr->hints.window_group = None;
/*
* Default the maximum dimensions to the size of the display.
*/
wmPtr->defMinWidth = wmPtr->defMinHeight = 0;
wmPtr->defMaxWidth = DisplayWidth(winPtr->display, winPtr->screenNum);
wmPtr->defMaxHeight = DisplayHeight(winPtr->display, winPtr->screenNum);
wmPtr->minWidth = wmPtr->minHeight = 1;
wmPtr->maxWidth = wmPtr->maxHeight = 0;
wmPtr->widthInc = wmPtr->heightInc = 1;
wmPtr->minAspect.x = wmPtr->minAspect.y = 1;
wmPtr->maxAspect.x = wmPtr->maxAspect.y = 1;
wmPtr->reqGridWidth = wmPtr->reqGridHeight = -1;
wmPtr->gravity = NorthWestGravity;
wmPtr->width = -1;
wmPtr->height = -1;
wmPtr->x = winPtr->changes.x;
wmPtr->y = winPtr->changes.y;
wmPtr->crefObj = NULL;
wmPtr->colorref = (COLORREF) NULL;
wmPtr->alpha = 1.0;
wmPtr->configWidth = -1;
wmPtr->configHeight = -1;
wmPtr->flags = WM_NEVER_MAPPED;
wmPtr->nextPtr = winPtr->dispPtr->firstWmPtr;
winPtr->dispPtr->firstWmPtr = wmPtr;
/*
* Tk must monitor structure events for top-level windows, in order
* to detect size and position changes caused by window managers.
*/
Tk_CreateEventHandler((Tk_Window) winPtr, StructureNotifyMask,
TopLevelEventProc, (ClientData) winPtr);
/*
* Arrange for geometry requests to be reflected from the window
* to the window manager.
*/
Tk_ManageGeometry((Tk_Window) winPtr, &wmMgrType, (ClientData) 0);
}
/*
*----------------------------------------------------------------------
*
* UpdateWrapper --
*
* This function creates the wrapper window that contains the
* window decorations and menus for a toplevel. This function
* may be called after a window is mapped to change the window
* style.
*
* Results:
* None.
*
* Side effects:
* Destroys any old wrapper window and replaces it with a newly
* created wrapper.
*
*----------------------------------------------------------------------
*/
static void
UpdateWrapper(winPtr)
TkWindow *winPtr; /* Top-level window to redecorate. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
HWND parentHWND, oldWrapper = wmPtr->wrapper;
HWND child, nextHWND, focusHWND;
int x, y, width, height, state;
WINDOWPLACEMENT place;
HICON hSmallIcon = NULL;
HICON hBigIcon = NULL;
Tcl_DString titleString, classString;
int *childStateInfo = NULL;
ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
if (winPtr->window == None) {
/*
* Ensure existence of the window to update the wrapper for.
*/
Tk_MakeWindowExist((Tk_Window) winPtr);
}
child = TkWinGetHWND(winPtr->window);
parentHWND = NULL;
/*
* nextHWND will help us maintain Z order.
* focusHWND will help us maintain focus, if we had it.
*/
nextHWND = NULL;
focusHWND = GetFocus();
if ((oldWrapper == NULL) || (oldWrapper != GetForegroundWindow())) {
focusHWND = NULL;
}
if (winPtr->flags & TK_EMBEDDED) {
wmPtr->wrapper = (HWND) winPtr->privatePtr;
if (wmPtr->wrapper == NULL) {
Tcl_Panic("UpdateWrapper: Cannot find container window");
}
if (!IsWindow(wmPtr->wrapper)) {
Tcl_Panic("UpdateWrapper: Container was destroyed");
}
} else {
/*
* Pick the decorative frame style. Override redirect windows get
* created as undecorated popups if they have no transient parent,
* otherwise they are children. This allows splash screens to operate
* as an independent window, while having dropdows (like for a
* combobox) not grab focus away from their parent. Transient windows
* get a modal dialog frame. Neither override, nor transient windows
* appear in the Windows taskbar. Note that a transient window does
* not resize by default, so we need to explicitly add the
* WS_THICKFRAME style if we want it to be resizeable.
*/
if (winPtr->atts.override_redirect) {
wmPtr->style = WM_OVERRIDE_STYLE;
wmPtr->exStyle = EX_OVERRIDE_STYLE;
/* parent must be desktop even if we have a transient parent */
parentHWND = GetDesktopWindow();
if (wmPtr->masterPtr) {
wmPtr->style |= WS_CHILD;
} else {
wmPtr->style |= WS_POPUP;
}
} else if (wmPtr->masterPtr) {
wmPtr->style = WM_TRANSIENT_STYLE;
wmPtr->exStyle = EX_TRANSIENT_STYLE;
parentHWND = Tk_GetHWND(Tk_WindowId(wmPtr->masterPtr));
if (! ((wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) &&
(wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE))) {
wmPtr->style |= WS_THICKFRAME;
}
} else {
wmPtr->style = WM_TOPLEVEL_STYLE;
wmPtr->exStyle = EX_TOPLEVEL_STYLE;
}
wmPtr->style |= wmPtr->styleConfig;
wmPtr->exStyle |= wmPtr->exStyleConfig;
if ((wmPtr->flags & WM_WIDTH_NOT_RESIZABLE)
&& (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE)) {
wmPtr->style &= ~ (WS_MAXIMIZEBOX | WS_SIZEBOX);
}
/*
* Compute the geometry of the parent and child windows.
*/
if ((wmPtr->flags & WM_UPDATE_PENDING)) {
Tcl_CancelIdleCall(UpdateGeometryInfo, (ClientData) winPtr);
}
wmPtr->flags |= WM_CREATE_PENDING|WM_MOVE_PENDING;
UpdateGeometryInfo((ClientData)winPtr);
wmPtr->flags &= ~(WM_CREATE_PENDING|WM_MOVE_PENDING);
width = wmPtr->borderWidth + winPtr->changes.width;
height = wmPtr->borderHeight + winPtr->changes.height;
/*
* Set the initial position from the user or program specified
* location. If nothing has been specified, then let the system
* pick a location.
*/
if (!(wmPtr->sizeHintsFlags & (USPosition | PPosition))
&& (wmPtr->flags & WM_NEVER_MAPPED)) {
x = CW_USEDEFAULT;
y = CW_USEDEFAULT;
} else {
x = winPtr->changes.x;
y = winPtr->changes.y;
}
/*
* Create the containing window, and set the user data to point
* to the TkWindow.
*/
tsdPtr->createWindow = winPtr;
Tcl_WinUtfToTChar(((wmPtr->title != NULL) ?
wmPtr->title : winPtr->nameUid), -1, &titleString);
Tcl_WinUtfToTChar(TK_WIN_TOPLEVEL_CLASS_NAME, -1, &classString);
wmPtr->wrapper = (*tkWinProcs->createWindowEx)(wmPtr->exStyle,
(LPCTSTR) Tcl_DStringValue(&classString),
(LPCTSTR) Tcl_DStringValue(&titleString),
wmPtr->style, x, y, width, height,
parentHWND, NULL, Tk_GetHINSTANCE(), NULL);
Tcl_DStringFree(&classString);
Tcl_DStringFree(&titleString);
#ifdef _WIN64
SetWindowLongPtr(wmPtr->wrapper, GWLP_USERDATA, (LONG_PTR) winPtr);
#else
SetWindowLong(wmPtr->wrapper, GWL_USERDATA, (LONG) winPtr);
#endif
tsdPtr->createWindow = NULL;
if ((wmPtr->exStyleConfig & WS_EX_LAYERED)
&& setLayeredWindowAttributesProc != NULL) {
/*
* The user supplies a double from [0..1], but Windows wants an
* int (transparent) 0..255 (opaque), so do the translation.
* Add the 0.5 to round the value.
*/
setLayeredWindowAttributesProc((HWND) wmPtr->wrapper,
wmPtr->colorref, (BYTE) (wmPtr->alpha * 255 + 0.5),
LWA_ALPHA | (wmPtr->crefObj ? LWA_COLORKEY : 0));
} else {
/*
* Layering not used or supported.
*/
wmPtr->alpha = 1.0;
if (wmPtr->crefObj) {
Tcl_DecrRefCount(wmPtr->crefObj);
wmPtr->crefObj = NULL;
}
}
place.length = sizeof(WINDOWPLACEMENT);
GetWindowPlacement(wmPtr->wrapper, &place);
wmPtr->x = place.rcNormalPosition.left;
wmPtr->y = place.rcNormalPosition.top;
if (!(winPtr->flags & TK_ALREADY_DEAD)) {
TkInstallFrameMenu((Tk_Window) winPtr);
}
if (oldWrapper && (oldWrapper != wmPtr->wrapper)
&& !(wmPtr->exStyle & WS_EX_TOPMOST)) {
/*
* We will adjust wrapper to have the same Z order as oldWrapper
* if it isn't a TOPMOST window.
*/
nextHWND = GetNextWindow(oldWrapper, GW_HWNDPREV);
}
}
/*
* Now we need to reparent the contained window and set its
* style appropriately. Be sure to update the style first so that
* Windows doesn't try to set the focus to the child window.
*/
#ifdef _WIN64
SetWindowLongPtr(child, GWL_STYLE,
WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS);
#else
SetWindowLong(child, GWL_STYLE,
WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS);
#endif
if (winPtr->flags & TK_EMBEDDED) {
#ifdef _WIN64
SetWindowLongPtr(child, GWLP_WNDPROC, (LONG_PTR) TopLevelProc);
#else
SetWindowLong(child, GWL_WNDPROC, (LONG) TopLevelProc);
#endif
}
SetParent(child, wmPtr->wrapper);
if (oldWrapper) {
hSmallIcon = (HICON) SendMessage(oldWrapper, WM_GETICON, ICON_SMALL,
(LPARAM) NULL);
hBigIcon = (HICON) SendMessage(oldWrapper, WM_GETICON, ICON_BIG,
(LPARAM) NULL);
}
if (oldWrapper && (oldWrapper != wmPtr->wrapper)
&& (oldWrapper != GetDesktopWindow())) {
#ifdef _WIN64
SetWindowLongPtr(oldWrapper, GWLP_USERDATA, (LONG) NULL);
#else
SetWindowLong(oldWrapper, GWL_USERDATA, (LONG) NULL);
#endif
if (wmPtr->numTransients > 0) {
/*
* Unset the current wrapper as the parent for all transient
* children for whom this is the master
*/
WmInfo *wmPtr2;
childStateInfo = (int *)ckalloc((unsigned) wmPtr->numTransients
* sizeof(int));
state = 0;
for (wmPtr2 = winPtr->dispPtr->firstWmPtr; wmPtr2 != NULL;
wmPtr2 = wmPtr2->nextPtr) {
if (wmPtr2->masterPtr == winPtr) {
if (!(wmPtr2->flags & WM_NEVER_MAPPED)) {
childStateInfo[state++] = wmPtr2->hints.initial_state;
SetParent(TkWinGetHWND(wmPtr2->winPtr->window), NULL);
}
}
}
}
/*
* Remove the menubar before destroying the window so the menubar
* isn't destroyed.
*/
SetMenu(oldWrapper, NULL);
DestroyWindow(oldWrapper);
}
wmPtr->flags &= ~WM_NEVER_MAPPED;
SendMessage(wmPtr->wrapper, TK_ATTACHWINDOW, (WPARAM) child, 0);
/*
* Force an initial transition from withdrawn to the real
* initial state. Set the Z order based on previous wrapper
* before we set the state.
*/
state = wmPtr->hints.initial_state;
wmPtr->hints.initial_state = WithdrawnState;
if (nextHWND) {
SetWindowPos(wmPtr->wrapper, nextHWND, 0, 0, 0, 0,
SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE|SWP_NOSENDCHANGING
|SWP_NOOWNERZORDER);
}
TkpWmSetState(winPtr, state);
if (hSmallIcon != NULL) {
SendMessage(wmPtr->wrapper,WM_SETICON,ICON_SMALL,(LPARAM)hSmallIcon);
}
if (hBigIcon != NULL) {
SendMessage(wmPtr->wrapper,WM_SETICON,ICON_BIG,(LPARAM)hBigIcon);
}
/*
* If we are embedded then force a mapping of the window now,
* because we do not necessarily own the wrapper and may not
* get another opportunity to map ourselves. We should not be
* in either iconified or zoomed states when we get here, so
* it is safe to just check for TK_EMBEDDED without checking
* what state we are supposed to be in (default to NormalState).
*/
if (winPtr->flags & TK_EMBEDDED) {
XMapWindow(winPtr->display, winPtr->window);
}
/*
* Set up menus on the wrapper if required.
*/
if (wmPtr->hMenu != NULL) {
wmPtr->flags = WM_SYNC_PENDING;
SetMenu(wmPtr->wrapper, wmPtr->hMenu);
wmPtr->flags &= ~WM_SYNC_PENDING;
}
if (childStateInfo) {
if (wmPtr->numTransients > 0) {
/*
* Reset all transient children for whom this is the master
*/
WmInfo *wmPtr2;
state = 0;
for (wmPtr2 = winPtr->dispPtr->firstWmPtr; wmPtr2 != NULL;
wmPtr2 = wmPtr2->nextPtr) {
if (wmPtr2->masterPtr == winPtr) {
if (!(wmPtr2->flags & WM_NEVER_MAPPED)) {
UpdateWrapper(wmPtr2->winPtr);
TkpWmSetState(wmPtr2->winPtr, childStateInfo[state++]);
}
}
}
}
ckfree((char *) childStateInfo);
}
/*
* If this is the first window created by the application, then
* we should activate the initial window. Otherwise, if this had
* the focus, we need to restore that.
* XXX: Rewrapping generates a <FocusOut> and <FocusIn> that would
* XXX: best be avoided, if we could safely mask them.
*/
if (tsdPtr->firstWindow) {
tsdPtr->firstWindow = 0;
SetActiveWindow(wmPtr->wrapper);
} else if (focusHWND) {
SetFocus(focusHWND);
}
}
/*
*--------------------------------------------------------------
*
* TkWmMapWindow --
*
* This procedure is invoked to map a top-level window. This
* module gets a chance to update all window-manager-related
* information in properties before the window manager sees
* the map event and checks the properties. It also gets to
* decide whether or not to even map the window after all.
*
* Results:
* None.
*
* Side effects:
* Properties of winPtr may get updated to provide up-to-date
* information to the window manager. The window may also get
* mapped, but it may not be if this procedure decides that
* isn't appropriate (e.g. because the window is withdrawn).
*
*--------------------------------------------------------------
*/
void
TkWmMapWindow(winPtr)
TkWindow *winPtr; /* Top-level window that's about to
* be mapped. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
if (!tsdPtr->initialized) {
InitWm();
}
if (wmPtr->flags & WM_NEVER_MAPPED) {
/*
* Don't map a transient if the master is not mapped.
*/
if (wmPtr->masterPtr != NULL &&
!Tk_IsMapped(wmPtr->masterPtr)) {
wmPtr->hints.initial_state = WithdrawnState;
return;
}
} else {
if (wmPtr->hints.initial_state == WithdrawnState) {
return;
}
/*
* Map the window in either the iconified or normal state. Note that
* we only send a map event if the window is in the normal state.
*/
TkpWmSetState(winPtr, wmPtr->hints.initial_state);
}
/*
* This is the first time this window has ever been mapped.
* Store all the window-manager-related information for the
* window.
*/
UpdateWrapper(winPtr);
}
/*
*--------------------------------------------------------------
*
* TkWmUnmapWindow --
*
* This procedure is invoked to unmap a top-level window. The
* only thing it does special is unmap the decorative frame before
* unmapping the toplevel window.
*
* Results:
* None.
*
* Side effects:
* Unmaps the decorative frame and the window.
*
*--------------------------------------------------------------
*/
void
TkWmUnmapWindow(winPtr)
TkWindow *winPtr; /* Top-level window that's about to
* be unmapped. */
{
TkpWmSetState(winPtr, WithdrawnState);
}
/*
*----------------------------------------------------------------------
*
* TkpWmSetState --
*
* Sets the window manager state for the wrapper window of a
* given toplevel window.
*
* Results:
* None.
*
* Side effects:
* May maximize, minimize, restore, or withdraw a window.
*
*----------------------------------------------------------------------
*/
void
TkpWmSetState(winPtr, state)
TkWindow *winPtr; /* Toplevel window to operate on. */
int state; /* One of IconicState, ZoomState, NormalState,
* or WithdrawnState. */
{
WmInfo *wmPtr = winPtr->wmInfoPtr;
int cmd;
if (wmPtr->flags & WM_NEVER_MAPPED) {
wmPtr->hints.initial_state = state;
return;
}
wmPtr->flags |= WM_SYNC_PENDING;
if (state == WithdrawnState) {
cmd = SW_HIDE;
} else if (state == IconicState) {
cmd = SW_SHOWMINNOACTIVE;
} else if (state == NormalState) {
cmd = SW_SHOWNOACTIVATE;
} else if (state == ZoomState) {
cmd = SW_SHOWMAXIMIZED;
}
ShowWindow(wmPtr->wrapper, cmd);
wmPtr->flags &= ~WM_SYNC_PENDING;
}
/*
*--------------------------------------------------------------
*
* TkWmDeadWindow --
*
* This procedure is invoked when a top-level window is
* about to be deleted. It cleans up the wm-related data
* structures for the window.
*
* Results:
* None.
*
* Side effects:
* The WmInfo structure for winPtr gets freed up.
*
*--------------------------------------------------------------
*/
void
TkWmDeadWindow(winPtr)
TkWindow *winPtr; /* Top-level window that's being deleted. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
WmInfo *wmPtr2;
if (wmPtr == NULL) {
return;
}
/*
* Clean up event related window info.
*/
if (winPtr->dispPtr->firstWmPtr == wmPtr) {
winPtr->dispPtr->firstWmPtr = wmPtr->nextPtr;
} else {
register WmInfo *prevPtr;
for (prevPtr = winPtr->dispPtr->firstWmPtr; ;
prevPtr = prevPtr->nextPtr) {
if (prevPtr == NULL) {
Tcl_Panic("couldn't unlink window in TkWmDeadWindow");
}
if (prevPtr->nextPtr == wmPtr) {
prevPtr->nextPtr = wmPtr->nextPtr;
break;
}
}
}
/*
* Reset all transient windows whose master is the dead window.
*/
for (wmPtr2 = winPtr->dispPtr->firstWmPtr; wmPtr2 != NULL;
wmPtr2 = wmPtr2->nextPtr) {
if (wmPtr2->masterPtr == winPtr) {
wmPtr->numTransients--;
Tk_DeleteEventHandler((Tk_Window) wmPtr2->masterPtr,
VisibilityChangeMask|StructureNotifyMask,
WmWaitVisibilityOrMapProc, (ClientData) wmPtr2->winPtr);
wmPtr2->masterPtr = NULL;
if ((wmPtr2->wrapper != None)
&& !(wmPtr2->flags & (WM_NEVER_MAPPED))) {
UpdateWrapper(wmPtr2->winPtr);
}
}
}
if (wmPtr->numTransients != 0)
Tcl_Panic("numTransients should be 0");
if (wmPtr->title != NULL) {
ckfree(wmPtr->title);
}
if (wmPtr->iconName != NULL) {
ckfree(wmPtr->iconName);
}
if (wmPtr->hints.flags & IconPixmapHint) {
Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_pixmap);
}
if (wmPtr->hints.flags & IconMaskHint) {
Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_mask);
}
if (wmPtr->leaderName != NULL) {
ckfree(wmPtr->leaderName);
}
if (wmPtr->icon != NULL) {
wmPtr2 = ((TkWindow *) wmPtr->icon)->wmInfoPtr;
wmPtr2->iconFor = NULL;
}
if (wmPtr->iconFor != NULL) {
wmPtr2 = ((TkWindow *) wmPtr->iconFor)->wmInfoPtr;
wmPtr2->icon = NULL;
wmPtr2->hints.flags &= ~IconWindowHint;
}
while (wmPtr->protPtr != NULL) {
ProtocolHandler *protPtr;
protPtr = wmPtr->protPtr;
wmPtr->protPtr = protPtr->nextPtr;
Tcl_EventuallyFree((ClientData) protPtr, TCL_DYNAMIC);
}
if (wmPtr->cmdArgv != NULL) {
ckfree((char *) wmPtr->cmdArgv);
}
if (wmPtr->clientMachine != NULL) {
ckfree((char *) wmPtr->clientMachine);
}
if (wmPtr->flags & WM_UPDATE_PENDING) {
Tcl_CancelIdleCall(UpdateGeometryInfo, (ClientData) winPtr);
}
if (wmPtr->masterPtr != NULL) {
wmPtr2 = wmPtr->masterPtr->wmInfoPtr;
/*
* If we had a master, tell them that we aren't tied
* to them anymore
*/
if (wmPtr2 != NULL) {
wmPtr2->numTransients--;
}
Tk_DeleteEventHandler((Tk_Window) wmPtr->masterPtr,
VisibilityChangeMask|StructureNotifyMask,
WmWaitVisibilityOrMapProc, (ClientData) winPtr);
wmPtr->masterPtr = NULL;
}
if (wmPtr->crefObj != NULL) {
Tcl_DecrRefCount(wmPtr->crefObj);
wmPtr->crefObj = NULL;
}
/*
* Destroy the decorative frame window.
*/
if (!(winPtr->flags & TK_EMBEDDED)) {
if (wmPtr->wrapper != NULL) {
DestroyWindow(wmPtr->wrapper);
} else {
DestroyWindow(Tk_GetHWND(winPtr->window));
}
}
if (wmPtr->iconPtr != NULL) {
/*
* This may delete the icon resource data. I believe we
* should do this after destroying the decorative frame,
* because the decorative frame is using this icon.
*/
DecrIconRefCount(wmPtr->iconPtr);
}
ckfree((char *) wmPtr);
winPtr->wmInfoPtr = NULL;
}
/*
*--------------------------------------------------------------
*
* TkWmSetClass --
*
* This procedure is invoked whenever a top-level window's
* class is changed. If the window has been mapped then this
* procedure updates the window manager property for the
* class. If the window hasn't been mapped, the update is
* deferred until just before the first mapping.
*
* Results:
* None.
*
* Side effects:
* A window property may get updated.
*
*--------------------------------------------------------------
*/
void
TkWmSetClass(winPtr)
TkWindow *winPtr; /* Newly-created top-level window. */
{
return;
}
/*
*----------------------------------------------------------------------
*
* Tk_WmObjCmd --
*
* This procedure is invoked to process the "wm" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
/* ARGSUSED */
int
Tk_WmObjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Main window associated with
* interpreter. */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
Tk_Window tkwin = (Tk_Window) clientData;
static CONST char *optionStrings[] = {
"aspect", "attributes", "client", "colormapwindows",
"command", "deiconify", "focusmodel", "frame",
"geometry", "grid", "group", "iconbitmap",
"iconify", "iconmask", "iconname",
"iconphoto", "iconposition",
"iconwindow", "maxsize", "minsize", "overrideredirect",
"positionfrom", "protocol", "resizable", "sizefrom",
"stackorder", "state", "title", "transient",
"withdraw", (char *) NULL };
enum options {
WMOPT_ASPECT, WMOPT_ATTRIBUTES, WMOPT_CLIENT, WMOPT_COLORMAPWINDOWS,
WMOPT_COMMAND, WMOPT_DEICONIFY, WMOPT_FOCUSMODEL, WMOPT_FRAME,
WMOPT_GEOMETRY, WMOPT_GRID, WMOPT_GROUP, WMOPT_ICONBITMAP,
WMOPT_ICONIFY, WMOPT_ICONMASK, WMOPT_ICONNAME,
WMOPT_ICONPHOTO, WMOPT_ICONPOSITION,
WMOPT_ICONWINDOW, WMOPT_MAXSIZE, WMOPT_MINSIZE, WMOPT_OVERRIDEREDIRECT,
WMOPT_POSITIONFROM, WMOPT_PROTOCOL, WMOPT_RESIZABLE, WMOPT_SIZEFROM,
WMOPT_STACKORDER, WMOPT_STATE, WMOPT_TITLE, WMOPT_TRANSIENT,
WMOPT_WITHDRAW };
int index, length;
char *argv1;
TkWindow *winPtr;
TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;
if (objc < 2) {
wrongNumArgs:
Tcl_WrongNumArgs(interp, 1, objv, "option window ?arg ...?");
return TCL_ERROR;
}
argv1 = Tcl_GetStringFromObj(objv[1], &length);
if ((argv1[0] == 't') && (strncmp(argv1, "tracing", length) == 0)
&& (length >= 3)) {
int wmTracing;
if ((objc != 2) && (objc != 3)) {
Tcl_WrongNumArgs(interp, 2, objv, "?boolean?");
return TCL_ERROR;
}
if (objc == 2) {
Tcl_SetResult(interp,
((dispPtr->flags & TK_DISPLAY_WM_TRACING) ? "on" : "off"),
TCL_STATIC);
return TCL_OK;
}
if (Tcl_GetBooleanFromObj(interp, objv[2], &wmTracing) != TCL_OK) {
return TCL_ERROR;
}
if (wmTracing) {
dispPtr->flags |= TK_DISPLAY_WM_TRACING;
} else {
dispPtr->flags &= ~TK_DISPLAY_WM_TRACING;
}
return TCL_OK;
}
if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0,
&index) != TCL_OK) {
return TCL_ERROR;
}
if (objc < 3) {
goto wrongNumArgs;
}
if (TkGetWindowFromObj(interp, tkwin, objv[2], (Tk_Window *) &winPtr)
!= TCL_OK) {
return TCL_ERROR;
}
if (!Tk_IsTopLevel(winPtr)) {
Tcl_AppendResult(interp, "window "", winPtr->pathName,
"" isn't a top-level window", (char *) NULL);
return TCL_ERROR;
}
switch ((enum options) index) {
case WMOPT_ASPECT:
return WmAspectCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ATTRIBUTES:
return WmAttributesCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_CLIENT:
return WmClientCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_COLORMAPWINDOWS:
return WmColormapwindowsCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_COMMAND:
return WmCommandCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_DEICONIFY:
return WmDeiconifyCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_FOCUSMODEL:
return WmFocusmodelCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_FRAME:
return WmFrameCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_GEOMETRY:
return WmGeometryCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_GRID:
return WmGridCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_GROUP:
return WmGroupCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ICONBITMAP:
return WmIconbitmapCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ICONIFY:
return WmIconifyCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ICONMASK:
return WmIconmaskCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ICONNAME:
return WmIconnameCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ICONPHOTO:
return WmIconphotoCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ICONPOSITION:
return WmIconpositionCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ICONWINDOW:
return WmIconwindowCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_MAXSIZE:
return WmMaxsizeCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_MINSIZE:
return WmMinsizeCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_OVERRIDEREDIRECT:
return WmOverrideredirectCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_POSITIONFROM:
return WmPositionfromCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_PROTOCOL:
return WmProtocolCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_RESIZABLE:
return WmResizableCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_SIZEFROM:
return WmSizefromCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_STACKORDER:
return WmStackorderCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_STATE:
return WmStateCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_TITLE:
return WmTitleCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_TRANSIENT:
return WmTransientCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_WITHDRAW:
return WmWithdrawCmd(tkwin, winPtr, interp, objc, objv);
}
/* This should not happen */
return TCL_ERROR;
}
/*
*----------------------------------------------------------------------
*
* WmAspectCmd --
*
* This procedure is invoked to process the "wm aspect" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmAspectCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
int numer1, denom1, numer2, denom2;
if ((objc != 3) && (objc != 7)) {
Tcl_WrongNumArgs(interp, 2, objv,
"window ?minNumer minDenom maxNumer maxDenom?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->sizeHintsFlags & PAspect) {
char buf[TCL_INTEGER_SPACE * 4];
sprintf(buf, "%d %d %d %d", wmPtr->minAspect.x,
wmPtr->minAspect.y, wmPtr->maxAspect.x,
wmPtr->maxAspect.y);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
}
return TCL_OK;
}
if (*Tcl_GetString(objv[3]) == '') {
wmPtr->sizeHintsFlags &= ~PAspect;
} else {
if ((Tcl_GetIntFromObj(interp, objv[3], &numer1) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[4], &denom1) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[5], &numer2) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[6], &denom2) != TCL_OK)) {
return TCL_ERROR;
}
if ((numer1 <= 0) || (denom1 <= 0) || (numer2 <= 0) ||
(denom2 <= 0)) {
Tcl_SetResult(interp, "aspect number can't be <= 0",
TCL_STATIC);
return TCL_ERROR;
}
wmPtr->minAspect.x = numer1;
wmPtr->minAspect.y = denom1;
wmPtr->maxAspect.x = numer2;
wmPtr->maxAspect.y = denom2;
wmPtr->sizeHintsFlags |= PAspect;
}
WmUpdateGeom(wmPtr, winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmAttributesCmd --
*
* This procedure is invoked to process the "wm attributes" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmAttributesCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
LONG style, exStyle, styleBit, *stylePtr;
char *string;
int i, boolean, length, updatewrapper = 0;
if ((objc < 3) || ((objc > 5) && ((objc%2) == 0))) {
configArgs:
Tcl_WrongNumArgs(interp, 2, objv,
"window"
" ?-alpha ?double??"
" ?-transparentcolor ?color??"
" ?-disabled ?bool??"
" ?-toolwindow ?bool??"
" ?-topmost ?bool??");
return TCL_ERROR;
}
exStyle = wmPtr->exStyleConfig;
style = wmPtr->styleConfig;
if (objc == 3) {
Tcl_Obj *objPtr = Tcl_NewObj();
Tcl_ListObjAppendElement(NULL, objPtr,
Tcl_NewStringObj("-alpha", -1));
Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewDoubleObj(wmPtr->alpha));
Tcl_ListObjAppendElement(NULL, objPtr,
Tcl_NewStringObj("-transparentcolor", -1));
Tcl_ListObjAppendElement(NULL, objPtr,
wmPtr->crefObj ? wmPtr->crefObj : Tcl_NewObj());
Tcl_ListObjAppendElement(NULL, objPtr,
Tcl_NewStringObj("-disabled", -1));
Tcl_ListObjAppendElement(NULL, objPtr,
Tcl_NewBooleanObj((style & WS_DISABLED)));
Tcl_ListObjAppendElement(NULL, objPtr,
Tcl_NewStringObj("-toolwindow", -1));
Tcl_ListObjAppendElement(NULL, objPtr,
Tcl_NewBooleanObj((exStyle & WS_EX_TOOLWINDOW)));
Tcl_ListObjAppendElement(NULL, objPtr,
Tcl_NewStringObj("-topmost", -1));
Tcl_ListObjAppendElement(NULL, objPtr,
Tcl_NewBooleanObj((exStyle & WS_EX_TOPMOST)));
Tcl_SetObjResult(interp, objPtr);
return TCL_OK;
}
for (i = 3; i < objc; i += 2) {
string = Tcl_GetStringFromObj(objv[i], &length);
if ((length < 2) || (string[0] != '-')) {
goto configArgs;
}
if (strncmp(string, "-disabled", length) == 0) {
stylePtr = &style;
styleBit = WS_DISABLED;
} else if ((strncmp(string, "-alpha", length) == 0)
|| ((length > 2) && (strncmp(string, "-transparentcolor",
length) == 0))) {
stylePtr = &exStyle;
styleBit = WS_EX_LAYERED;
} else if ((length > 3)
&& (strncmp(string, "-toolwindow", length) == 0)) {
stylePtr = &exStyle;
styleBit = WS_EX_TOOLWINDOW;
if (objc != 4) {
/*
* Changes to toolwindow style require an update
*/
updatewrapper = 1;
}
} else if ((length > 3)
&& (strncmp(string, "-topmost", length) == 0)) {
stylePtr = &exStyle;
styleBit = WS_EX_TOPMOST;
if ((i < objc-1) && (winPtr->flags & TK_EMBEDDED)) {
Tcl_AppendResult(interp, "can't set topmost flag on ",
winPtr->pathName, ": it is an embedded window",
(char *) NULL);
return TCL_ERROR;
}
} else {
goto configArgs;
}
if (styleBit == WS_EX_LAYERED) {
if (objc == 4) {
if (string[1] == 'a') { /* -alpha */
Tcl_SetObjResult(interp, Tcl_NewDoubleObj(wmPtr->alpha));
} else { /* -transparentcolor */
Tcl_SetObjResult(interp,
wmPtr->crefObj ? wmPtr->crefObj : Tcl_NewObj());
}
} else {
if (string[1] == 'a') { /* -alpha */
double dval;
if (Tcl_GetDoubleFromObj(interp, objv[i+1], &dval)
!= TCL_OK) {
return TCL_ERROR;
}
/*
* The user should give (transparent) 0 .. 1.0 (opaque),
* but we ignore the setting of this (it will always be 1)
* in the case that the API is not available.
*/
if (dval < 0.0) {
dval = 0;
} else if (dval > 1.0) {
dval = 1;
}
wmPtr->alpha = dval;
} else { /* -transparentcolor */
char *crefstr = Tcl_GetStringFromObj(objv[i+1], &length);
if (length == 0) {
/* reset to no transparent color */
if (wmPtr->crefObj) {
Tcl_DecrRefCount(wmPtr->crefObj);
wmPtr->crefObj = NULL;
}
} else {
XColor *cPtr =
Tk_GetColor(interp, tkwin, Tk_GetUid(crefstr));
if (cPtr == NULL) {
return TCL_ERROR;
}
if (wmPtr->crefObj) {
Tcl_DecrRefCount(wmPtr->crefObj);
}
wmPtr->crefObj = objv[i+1];
Tcl_IncrRefCount(wmPtr->crefObj);
wmPtr->colorref = RGB((BYTE) (cPtr->red >> 8),
(BYTE) (cPtr->green >> 8),
(BYTE) (cPtr->blue >> 8));
Tk_FreeColor(cPtr);
}
}
/*
* Only ever add the WS_EX_LAYERED bit, as it can cause
* flashing to change this window style. This allows things
* like fading tooltips to avoid flash ugliness without
* forcing all window to be layered.
*/
if ((wmPtr->alpha < 1.0) || (wmPtr->crefObj != NULL)) {
*stylePtr |= styleBit;
}
if ((setLayeredWindowAttributesProc != NULL)
&& (wmPtr->wrapper != NULL)) {
/*
* Set the window directly regardless of UpdateWrapper.
* The user supplies a double from [0..1], but Windows
* wants an int (transparent) 0..255 (opaque), so do the
* translation. Add the 0.5 to round the value.
*/
if (!(wmPtr->exStyleConfig & WS_EX_LAYERED)) {
SetWindowLongPtr(wmPtr->wrapper, GWL_EXSTYLE,
*stylePtr);
}
setLayeredWindowAttributesProc((HWND) wmPtr->wrapper,
wmPtr->colorref, (BYTE) (wmPtr->alpha * 255 + 0.5),
LWA_ALPHA | (wmPtr->crefObj ? LWA_COLORKEY : 0));
}
}
} else {
if ((i < objc-1) &&
(Tcl_GetBooleanFromObj(interp, objv[i+1], &boolean)
!= TCL_OK)) {
return TCL_ERROR;
}
if (objc == 4) {
Tcl_SetIntObj(Tcl_GetObjResult(interp),
((*stylePtr & styleBit) != 0));
} else if (boolean) {
*stylePtr |= styleBit;
} else {
*stylePtr &= ~styleBit;
}
}
if ((styleBit == WS_EX_TOPMOST) && (wmPtr->wrapper != NULL)) {
/*
* Force the topmost position aspect to ensure that switching
* between (no)topmost reflects properly when rewrapped.
*/
SetWindowPos(wmPtr->wrapper,
((exStyle & WS_EX_TOPMOST) ?
HWND_TOPMOST : HWND_NOTOPMOST), 0, 0, 0, 0,
SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE|SWP_NOSENDCHANGING
|SWP_NOOWNERZORDER);
}
}
if (wmPtr->styleConfig != style) {
/*
* Currently this means only WS_DISABLED changed, which we can
* effect with EnableWindow.
*/
wmPtr->styleConfig = style;
if ((wmPtr->exStyleConfig == exStyle)
&& !(wmPtr->flags & WM_NEVER_MAPPED)) {
EnableWindow(wmPtr->wrapper, (style & WS_DISABLED) ? 0 : 1);
}
}
if (wmPtr->exStyleConfig != exStyle) {
wmPtr->exStyleConfig = exStyle;
if (updatewrapper) {
/*
* UpdateWrapper ensure that all effects are properly handled,
* such as TOOLWINDOW disappearing from the taskbar.
*/
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
UpdateWrapper(winPtr);
}
}
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmClientCmd --
*
* This procedure is invoked to process the "wm client" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmClientCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
char *argv3;
int length;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?name?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->clientMachine != NULL) {
Tcl_SetResult(interp, wmPtr->clientMachine, TCL_STATIC);
}
return TCL_OK;
}
argv3 = Tcl_GetStringFromObj(objv[3], &length);
if (argv3[0] == 0) {
if (wmPtr->clientMachine != NULL) {
ckfree((char *) wmPtr->clientMachine);
wmPtr->clientMachine = NULL;
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
XDeleteProperty(winPtr->display, winPtr->window,
Tk_InternAtom((Tk_Window) winPtr,
"WM_CLIENT_MACHINE"));
}
}
return TCL_OK;
}
if (wmPtr->clientMachine != NULL) {
ckfree((char *) wmPtr->clientMachine);
}
wmPtr->clientMachine = (char *)
ckalloc((unsigned) (length + 1));
strcpy(wmPtr->clientMachine, argv3);
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
XTextProperty textProp;
if (XStringListToTextProperty(&wmPtr->clientMachine, 1, &textProp)
!= 0) {
XSetWMClientMachine(winPtr->display, winPtr->window,
&textProp);
XFree((char *) textProp.value);
}
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmColormapwindowsCmd --
*
* This procedure is invoked to process the "wm colormapwindows"
* Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmColormapwindowsCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
TkWindow **cmapList;
TkWindow *winPtr2;
int i, windowObjc, gotToplevel;
Tcl_Obj **windowObjv;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?windowList?");
return TCL_ERROR;
}
if (objc == 3) {
Tk_MakeWindowExist((Tk_Window) winPtr);
for (i = 0; i < wmPtr->cmapCount; i++) {
if ((i == (wmPtr->cmapCount-1))
&& (wmPtr->flags & WM_ADDED_TOPLEVEL_COLORMAP)) {
break;
}
Tcl_AppendElement(interp, wmPtr->cmapList[i]->pathName);
}
return TCL_OK;
}
if (Tcl_ListObjGetElements(interp, objv[3], &windowObjc, &windowObjv)
!= TCL_OK) {
return TCL_ERROR;
}
cmapList = (TkWindow **) ckalloc((unsigned)
((windowObjc+1)*sizeof(TkWindow*)));
gotToplevel = 0;
for (i = 0; i < windowObjc; i++) {
if (TkGetWindowFromObj(interp, tkwin, windowObjv[i],
(Tk_Window *) &winPtr2) != TCL_OK)
{
ckfree((char *) cmapList);
return TCL_ERROR;
}
if (winPtr2 == winPtr) {
gotToplevel = 1;
}
if (winPtr2->window == None) {
Tk_MakeWindowExist((Tk_Window) winPtr2);
}
cmapList[i] = winPtr2;
}
if (!gotToplevel) {
wmPtr->flags |= WM_ADDED_TOPLEVEL_COLORMAP;
cmapList[windowObjc] = winPtr;
windowObjc++;
} else {
wmPtr->flags &= ~WM_ADDED_TOPLEVEL_COLORMAP;
}
wmPtr->flags |= WM_COLORMAPS_EXPLICIT;
if (wmPtr->cmapList != NULL) {
ckfree((char *)wmPtr->cmapList);
}
wmPtr->cmapList = cmapList;
wmPtr->cmapCount = windowObjc;
/*
* Now we need to force the updated colormaps to be installed.
*/
if (wmPtr == winPtr->dispPtr->foregroundWmPtr) {
InstallColormaps(wmPtr->wrapper, WM_QUERYNEWPALETTE, 1);
} else {
InstallColormaps(wmPtr->wrapper, WM_PALETTECHANGED, 0);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmCommandCmd --
*
* This procedure is invoked to process the "wm command" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmCommandCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
char *argv3;
int cmdArgc;
CONST char **cmdArgv;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?value?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->cmdArgv != NULL) {
Tcl_SetResult(interp,
Tcl_Merge(wmPtr->cmdArgc, wmPtr->cmdArgv),
TCL_DYNAMIC);
}
return TCL_OK;
}
argv3 = Tcl_GetString(objv[3]);
if (argv3[0] == 0) {
if (wmPtr->cmdArgv != NULL) {
ckfree((char *) wmPtr->cmdArgv);
wmPtr->cmdArgv = NULL;
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
XDeleteProperty(winPtr->display, winPtr->window,
Tk_InternAtom((Tk_Window) winPtr, "WM_COMMAND"));
}
}
return TCL_OK;
}
if (Tcl_SplitList(interp, argv3, &cmdArgc, &cmdArgv) != TCL_OK) {
return TCL_ERROR;
}
if (wmPtr->cmdArgv != NULL) {
ckfree((char *) wmPtr->cmdArgv);
}
wmPtr->cmdArgc = cmdArgc;
wmPtr->cmdArgv = cmdArgv;
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
XSetCommand(winPtr->display, winPtr->window, cmdArgv, cmdArgc);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmDeiconifyCmd --
*
* This procedure is invoked to process the "wm deiconify" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmDeiconifyCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "window");
return TCL_ERROR;
}
if (wmPtr->iconFor != NULL) {
Tcl_AppendResult(interp, "can't deiconify ", Tcl_GetString(objv[2]),
": it is an icon for ", Tk_PathName(wmPtr->iconFor),
(char *) NULL);
return TCL_ERROR;
}
if (winPtr->flags & TK_EMBEDDED) {
Tcl_AppendResult(interp, "can't deiconify ", winPtr->pathName,
": it is an embedded window", (char *) NULL);
return TCL_ERROR;
}
wmPtr->flags &= ~WM_WITHDRAWN;
/*
* If WM_UPDATE_PENDING is true, a pending UpdateGeometryInfo may
* need to be called first to update a withdrawn toplevel's geometry
* before it is deiconified by TkpWmSetState.
* Don't bother if we've never been mapped.
*/
if ((wmPtr->flags & WM_UPDATE_PENDING) &&
!(wmPtr->flags & WM_NEVER_MAPPED)) {
Tcl_CancelIdleCall(UpdateGeometryInfo, (ClientData) winPtr);
UpdateGeometryInfo((ClientData) winPtr);
}
/*
* If we were in the ZoomState (maximized), 'wm deiconify'
* should not cause the window to shrink
*/
if (wmPtr->hints.initial_state == ZoomState) {
TkpWmSetState(winPtr, ZoomState);
} else {
TkpWmSetState(winPtr, NormalState);
}
/*
* An unmapped window will be mapped at idle time
* by a call to MapFrame. That calls CreateWrapper
* which sets the focus and raises the window.
*/
if (wmPtr->flags & WM_NEVER_MAPPED) {
return TCL_OK;
}
/*
* Follow Windows-like style here, raising the window to the top.
*/
TkWmRestackToplevel(winPtr, Above, NULL);
if (!(Tk_Attributes((Tk_Window) winPtr)->override_redirect)) {
TkSetFocusWin(winPtr, 1);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmFocusmodelCmd --
*
* This procedure is invoked to process the "wm focusmodel" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmFocusmodelCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
static CONST char *optionStrings[] = {
"active", "passive", (char *) NULL };
enum options {
OPT_ACTIVE, OPT_PASSIVE };
int index;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?active|passive?");
return TCL_ERROR;
}
if (objc == 3) {
Tcl_SetResult(interp, (wmPtr->hints.input ? "passive" : "active"),
TCL_STATIC);
return TCL_OK;
}
if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0,
&index) != TCL_OK) {
return TCL_ERROR;
}
if (index == OPT_ACTIVE) {
wmPtr->hints.input = False;
} else { /* OPT_PASSIVE */
wmPtr->hints.input = True;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmFrameCmd --
*
* This procedure is invoked to process the "wm frame" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmFrameCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
HWND hwnd;
char buf[TCL_INTEGER_SPACE];
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "window");
return TCL_ERROR;
}
if (Tk_WindowId((Tk_Window) winPtr) == None) {
Tk_MakeWindowExist((Tk_Window) winPtr);
}
hwnd = wmPtr->wrapper;
if (hwnd == NULL) {
hwnd = Tk_GetHWND(Tk_WindowId((Tk_Window) winPtr));
}
sprintf(buf, "0x%x", (unsigned int) hwnd);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmGeometryCmd --
*
* This procedure is invoked to process the "wm geometry" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmGeometryCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
char xSign, ySign;
int width, height;
char *argv3;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?newGeometry?");
return TCL_ERROR;
}
if (objc == 3) {
char buf[16 + TCL_INTEGER_SPACE * 4];
xSign = (wmPtr->flags & WM_NEGATIVE_X) ? '-' : '+';
ySign = (wmPtr->flags & WM_NEGATIVE_Y) ? '-' : '+';
if (wmPtr->gridWin != NULL) {
width = wmPtr->reqGridWidth + (winPtr->changes.width
- winPtr->reqWidth)/wmPtr->widthInc;
height = wmPtr->reqGridHeight + (winPtr->changes.height
- winPtr->reqHeight)/wmPtr->heightInc;
} else {
width = winPtr->changes.width;
height = winPtr->changes.height;
}
sprintf(buf, "%dx%d%c%d%c%d", width, height, xSign, wmPtr->x,
ySign, wmPtr->y);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
return TCL_OK;
}
argv3 = Tcl_GetString(objv[3]);
if (*argv3 == '') {
wmPtr->width = -1;
wmPtr->height = -1;
WmUpdateGeom(wmPtr, winPtr);
return TCL_OK;
}
return ParseGeometry(interp, argv3, winPtr);
}
/*
*----------------------------------------------------------------------
*
* WmGridCmd --
*
* This procedure is invoked to process the "wm grid" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmGridCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
int reqWidth, reqHeight, widthInc, heightInc;
if ((objc != 3) && (objc != 7)) {
Tcl_WrongNumArgs(interp, 2, objv,
"window ?baseWidth baseHeight widthInc heightInc?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->sizeHintsFlags & PBaseSize) {
char buf[TCL_INTEGER_SPACE * 4];
sprintf(buf, "%d %d %d %d", wmPtr->reqGridWidth,
wmPtr->reqGridHeight, wmPtr->widthInc,
wmPtr->heightInc);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
}
return TCL_OK;
}
if (*Tcl_GetString(objv[3]) == '') {
/*
* Turn off gridding and reset the width and height
* to make sense as ungridded numbers.
*/
wmPtr->sizeHintsFlags &= ~(PBaseSize|PResizeInc);
if (wmPtr->width != -1) {
wmPtr->width = winPtr->reqWidth + (wmPtr->width
- wmPtr->reqGridWidth)*wmPtr->widthInc;
wmPtr->height = winPtr->reqHeight + (wmPtr->height
- wmPtr->reqGridHeight)*wmPtr->heightInc;
}
wmPtr->widthInc = 1;
wmPtr->heightInc = 1;
} else {
if ((Tcl_GetIntFromObj(interp, objv[3], &reqWidth) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[4], &reqHeight) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[5], &widthInc) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[6], &heightInc) != TCL_OK)) {
return TCL_ERROR;
}
if (reqWidth < 0) {
Tcl_SetResult(interp, "baseWidth can't be < 0", TCL_STATIC);
return TCL_ERROR;
}
if (reqHeight < 0) {
Tcl_SetResult(interp, "baseHeight can't be < 0", TCL_STATIC);
return TCL_ERROR;
}
if (widthInc <= 0) {
Tcl_SetResult(interp, "widthInc can't be <= 0", TCL_STATIC);
return TCL_ERROR;
}
if (heightInc <= 0) {
Tcl_SetResult(interp, "heightInc can't be <= 0", TCL_STATIC);
return TCL_ERROR;
}
Tk_SetGrid((Tk_Window) winPtr, reqWidth, reqHeight, widthInc,
heightInc);
}
WmUpdateGeom(wmPtr, winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmGroupCmd --
*
* This procedure is invoked to process the "wm group" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmGroupCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
Tk_Window tkwin2;
char *argv3;
int length;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?pathName?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->hints.flags & WindowGroupHint) {
Tcl_SetResult(interp, wmPtr->leaderName, TCL_STATIC);
}
return TCL_OK;
}
argv3 = Tcl_GetStringFromObj(objv[3], &length);
if (*argv3 == '') {
wmPtr->hints.flags &= ~WindowGroupHint;
if (wmPtr->leaderName != NULL) {
ckfree(wmPtr->leaderName);
}
wmPtr->leaderName = NULL;
} else {
if (TkGetWindowFromObj(interp, tkwin, objv[3], &tkwin2) != TCL_OK) {
return TCL_ERROR;
}
Tk_MakeWindowExist(tkwin2);
if (wmPtr->leaderName != NULL) {
ckfree(wmPtr->leaderName);
}
wmPtr->hints.window_group = Tk_WindowId(tkwin2);
wmPtr->hints.flags |= WindowGroupHint;
wmPtr->leaderName = ckalloc((unsigned) (length + 1));
strcpy(wmPtr->leaderName, argv3);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmIconbitmapCmd --
*
* This procedure is invoked to process the "wm iconbitmap" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmIconbitmapCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
TkWindow *useWinPtr = winPtr; /* window to apply to (NULL if -default) */
char *string;
if ((objc < 3) || (objc > 5)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?-default? ?image?");
return TCL_ERROR;
} else if (objc == 5) {
/* If we have 5 arguments, we must have a '-default' flag */
char *argv3 = Tcl_GetString(objv[3]);
if (strcmp(argv3, "-default")) {
Tcl_AppendResult(interp, "illegal option "",
argv3, "" must be "-default"",
(char *) NULL);
return TCL_ERROR;
}
useWinPtr = NULL;
} else if (objc == 3) {
/* No arguments were given */
if (wmPtr->hints.flags & IconPixmapHint) {
Tcl_SetResult(interp, (char *)
Tk_NameOfBitmap(winPtr->display, wmPtr->hints.icon_pixmap),
TCL_STATIC);
}
return TCL_OK;
}
string = Tcl_GetString(objv[objc-1]);
if (*string == '') {
if (wmPtr->hints.icon_pixmap != None) {
Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_pixmap);
wmPtr->hints.icon_pixmap = None;
}
wmPtr->hints.flags &= ~IconPixmapHint;
if (WinSetIcon(interp, NULL, (Tk_Window) useWinPtr) != TCL_OK) {
return TCL_ERROR;
}
} else {
/*
* In the future this block of code will use Tk's 'image'
* functionality to allow all supported image formats.
* However, this will require a change to the way icons are
* handled. We will need to add icon<->image conversions
* routines.
*
* Until that happens we simply try to find an icon in the
* given argument, and if that fails, we use the older
* bitmap code. We do things this way round (icon then
* bitmap), because the bitmap code actually seems to have
* no visible effect, so we want to give the icon code the
* first try at doing something.
*/
/*
* Either return NULL, or return a valid titlebaricon with its
* ref count already incremented.
*/
WinIconPtr titlebaricon = ReadIconFromFile(interp, objv[objc-1]);
if (titlebaricon != NULL) {
/*
* Try to set the icon for the window. If it is a '-default'
* icon, we must pass in NULL
*/
if (WinSetIcon(interp, titlebaricon, (Tk_Window) useWinPtr)
!= TCL_OK) {
/* We didn't use the titlebaricon after all */
DecrIconRefCount(titlebaricon);
titlebaricon = NULL;
}
}
if (titlebaricon == NULL) {
/*
* We didn't manage to handle the argument as a valid
* icon. Try as a bitmap. First we must clear the
* error message which was placed in the interpreter
*/
Pixmap pixmap;
Tcl_ResetResult(interp);
pixmap = Tk_GetBitmap(interp, (Tk_Window) winPtr, string);
if (pixmap == None) {
return TCL_ERROR;
}
wmPtr->hints.icon_pixmap = pixmap;
wmPtr->hints.flags |= IconPixmapHint;
titlebaricon = GetIconFromPixmap(Tk_Display(winPtr), pixmap);
if (titlebaricon != NULL) {
if (WinSetIcon(interp, titlebaricon, (Tk_Window) useWinPtr)
!= TCL_OK) {
/* We didn't use the titlebaricon after all */
DecrIconRefCount(titlebaricon);
titlebaricon = NULL;
}
}
}
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmIconifyCmd --
*
* This procedure is invoked to process the "wm iconify" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmIconifyCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "window");
return TCL_ERROR;
}
if (Tk_Attributes((Tk_Window) winPtr)->override_redirect) {
Tcl_AppendResult(interp, "can't iconify "", winPtr->pathName,
"": override-redirect flag is set", (char *) NULL);
return TCL_ERROR;
}
if (wmPtr->masterPtr != NULL) {
Tcl_AppendResult(interp, "can't iconify "", winPtr->pathName,
"": it is a transient", (char *) NULL);
return TCL_ERROR;
}
if (wmPtr->iconFor != NULL) {
Tcl_AppendResult(interp, "can't iconify ", winPtr->pathName,
": it is an icon for ", Tk_PathName(wmPtr->iconFor),
(char *) NULL);
return TCL_ERROR;
}
if (winPtr->flags & TK_EMBEDDED) {
Tcl_AppendResult(interp, "can't iconify ", winPtr->pathName,
": it is an embedded window", (char *) NULL);
return TCL_ERROR;
}
TkpWmSetState(winPtr, IconicState);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmIconmaskCmd --
*
* This procedure is invoked to process the "wm iconmask" Tcl command.
* See the user documentation for details on what it does.