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authorpatthoyts <patthoyts@users.sourceforge.net>2010-01-20 23:43:50 (GMT)
committerpatthoyts <patthoyts@users.sourceforge.net>2010-01-20 23:43:50 (GMT)
commit8653f8ec25290721bc6fac2a9c68bbff0a4c4eb3 (patch)
tree57e880fe1efd95782a3cb841debb5d8e410fd021 /unix/tkUnixWm.c
parent545af346b6b7f4d2e3c1bfa931e01202c6c7808d (diff)
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TIP #359: Extended window manager hints support for X11.
Diffstat (limited to 'unix/tkUnixWm.c')
-rw-r--r--unix/tkUnixWm.c151
1 files changed, 140 insertions, 11 deletions
diff --git a/unix/tkUnixWm.c b/unix/tkUnixWm.c
index 680d4f2..4040f4d 100644
--- a/unix/tkUnixWm.c
+++ b/unix/tkUnixWm.c
@@ -12,7 +12,7 @@
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tkUnixWm.c,v 1.58.2.6 2010/01/06 09:30:21 dkf Exp $
+ * RCS: @(#) $Id: tkUnixWm.c,v 1.58.2.7 2010/01/20 23:43:52 patthoyts Exp $
*/
#include "tkUnixInt.h"
@@ -52,12 +52,12 @@ typedef struct {
typedef enum {
WMATT_ALPHA, WMATT_TOPMOST, WMATT_ZOOMED, WMATT_FULLSCREEN,
- _WMATT_LAST_ATTRIBUTE
+ WMATT_TYPE, _WMATT_LAST_ATTRIBUTE
} WmAttribute;
static const char *WmAttributeNames[] = {
"-alpha", "-topmost", "-zoomed", "-fullscreen",
- NULL
+ "-type", NULL
};
/*
@@ -347,6 +347,8 @@ static void UpdateTitle(TkWindow *winPtr);
static void UpdatePhotoIcon(TkWindow *winPtr);
static void UpdateVRootGeometry(WmInfo *wmPtr);
static void UpdateWmProtocols(WmInfo *wmPtr);
+static int SetNetWmType(TkWindow *winPtr, Tcl_Obj *typePtr);
+static Tcl_Obj * GetNetWmType(TkWindow *winPtr);
static void SetNetWmState(TkWindow*, const char *atomName, int on);
static void CheckNetWmState(WmInfo *, Atom *atoms, int numAtoms);
static void UpdateNetWmState(WmInfo *);
@@ -1281,6 +1283,10 @@ WmSetAttribute(
SetNetWmState(winPtr, "_NET_WM_STATE_ABOVE",
wmPtr->reqState.topmost);
break;
+ case WMATT_TYPE:
+ if (TCL_OK != SetNetWmType(winPtr, value))
+ return TCL_ERROR;
+ break;
case WMATT_ZOOMED:
if (TCL_OK != Tcl_GetBooleanFromObj(interp, value,
&wmPtr->reqState.zoomed)) {
@@ -1334,6 +1340,8 @@ WmGetAttribute(
return Tcl_NewBooleanObj(wmPtr->attributes.zoomed);
case WMATT_FULLSCREEN:
return Tcl_NewBooleanObj(wmPtr->attributes.fullscreen);
+ case WMATT_TYPE:
+ return GetNetWmType(winPtr);
case _WMATT_LAST_ATTRIBUTE: /*NOTREACHED*/
break;
}
@@ -5333,6 +5341,130 @@ UpdateHints(
}
/*
+ *----------------------------------------------------------------------
+ *
+ * SetNetWmType --
+ *
+ * Set the extended window manager hints for a toplevel window
+ * to the types provided. The specification states that this
+ * may be a list of window types in preferred order. To permit
+ * for future type definitions, the set of names is unconstrained
+ * and names are converted to upper-case and appended to
+ * "_NET_WM_WINDOW_TYPE_" before being converted to an Atom.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+SetNetWmType(TkWindow *winPtr, Tcl_Obj *typePtr)
+{
+ Atom typeAtom, *atoms = NULL;
+ WmInfo *wmPtr;
+ TkWindow *wrapperPtr;
+ Tcl_Obj **objv;
+ int objc, n;
+ Tk_Window tkwin = (Tk_Window)winPtr;
+ Tcl_Interp *interp = Tk_Interp(tkwin);
+
+ if (TCL_OK != Tcl_ListObjGetElements(interp, typePtr, &objc, &objv)) {
+ return TCL_ERROR;
+ }
+
+ if (!Tk_HasWrapper(tkwin)) {
+ return TCL_OK; /* error?? */
+ }
+
+ if (objc > 0) {
+ atoms = (Atom *)ckalloc(sizeof(Atom) * objc);
+ }
+
+ for (n = 0; n < objc; ++n) {
+ Tcl_DString ds, dsName;
+ int len;
+ char *name = Tcl_GetStringFromObj(objv[n], &len);
+ Tcl_UtfToUpper(name);
+ Tcl_UtfToExternalDString(NULL, name, len, &dsName);
+ Tcl_DStringInit(&ds);
+ Tcl_DStringAppend(&ds, "_NET_WM_WINDOW_TYPE_", 20);
+ Tcl_DStringAppend(&ds, Tcl_DStringValue(&dsName),
+ Tcl_DStringLength(&dsName));
+ Tcl_DStringFree(&dsName);
+ atoms[n] = Tk_InternAtom(tkwin, Tcl_DStringValue(&ds));
+ Tcl_DStringFree(&ds);
+ }
+
+ wmPtr = winPtr->wmInfoPtr;
+ if (wmPtr->wrapperPtr == NULL) {
+ CreateWrapper(wmPtr);
+ }
+ wrapperPtr = wmPtr->wrapperPtr;
+
+ typeAtom = Tk_InternAtom(tkwin, "_NET_WM_WINDOW_TYPE");
+ XChangeProperty(Tk_Display(tkwin), wrapperPtr->window, typeAtom,
+ XA_ATOM, 32, PropModeReplace, (unsigned char *) atoms, objc);
+
+ ckfree((char *)atoms);
+ return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * GetNetWmType --
+ *
+ * Read the extended window manager type hint from a window
+ * and return as a list of names suitable for use with
+ * SetNetWmType.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static Tcl_Obj *
+GetNetWmType(TkWindow *winPtr)
+{
+ Atom typeAtom, actualType, *atoms;
+ int actualFormat;
+ unsigned long n, count, bytesAfter;
+ unsigned char *propertyValue = NULL;
+ long maxLength = 1024;
+ Tk_Window tkwin = (Tk_Window)winPtr;
+ TkWindow *wrapperPtr;
+ Tcl_Obj *typePtr;
+ Tcl_Interp *interp;
+ Tcl_DString ds;
+
+ interp = Tk_Interp(tkwin);
+ typePtr = Tcl_NewListObj(0, NULL);
+
+ if (winPtr->wmInfoPtr->wrapperPtr == NULL) {
+ CreateWrapper(winPtr->wmInfoPtr);
+ }
+ wrapperPtr = winPtr->wmInfoPtr->wrapperPtr;
+
+ typeAtom = Tk_InternAtom(tkwin, "_NET_WM_WINDOW_TYPE");
+ if (Success == XGetWindowProperty(wrapperPtr->display,
+ wrapperPtr->window, typeAtom, 0L, maxLength, False,
+ XA_ATOM, &actualType, &actualFormat, &count,
+ &bytesAfter, &propertyValue)) {
+ atoms = (Atom *)propertyValue;
+ for (n = 0; n < count; ++n) {
+ const char *name = Tk_GetAtomName(tkwin, atoms[n]);
+ if (strncmp("_NET_WM_WINDOW_TYPE_", name, 20) == 0) {
+ Tcl_ExternalToUtfDString(NULL, name+20, -1, &ds);
+ Tcl_UtfToLower(Tcl_DStringValue(&ds));
+ Tcl_ListObjAppendElement(interp, typePtr,
+ Tcl_NewStringObj(Tcl_DStringValue(&ds),
+ Tcl_DStringLength(&ds)));
+ Tcl_DStringFree(&ds);
+ }
+ }
+ XFree(propertyValue);
+ }
+
+ return typePtr;
+}
+
+/*
*--------------------------------------------------------------
*
* ParseGeometry --
@@ -6659,7 +6791,7 @@ TkpMakeMenuWindow(
WmInfo *wmPtr;
XSetWindowAttributes atts;
TkWindow *wrapperPtr;
- Atom atom;
+ Tcl_Obj *typeObj;
if (!Tk_HasWrapper(tkwin)) {
return;
@@ -6672,17 +6804,14 @@ TkpMakeMenuWindow(
if (transient) {
atts.override_redirect = True;
atts.save_under = True;
- atom = Tk_InternAtom((Tk_Window) tkwin, "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU");
+ typeObj = Tcl_NewStringObj("dropdown_menu", -1);
} else {
atts.override_redirect = False;
atts.save_under = False;
- atom = Tk_InternAtom((Tk_Window) tkwin, "_NET_WM_WINDOW_TYPE_MENU");
- TkSetTransientFor(tkwin, NULL);
+ typeObj = Tcl_NewStringObj("menu", -1);
+ TkSetTransientFor(tkwin, None);
}
- XChangeProperty(Tk_Display(tkwin), wrapperPtr->window,
- Tk_InternAtom((Tk_Window) tkwin, "_NET_WM_WINDOW_TYPE"),
- XA_ATOM, 32, PropModeReplace,
- (unsigned char *) &atom, 1);
+ SetNetWmType((TkWindow *)tkwin, typeObj);
/*
* The override-redirect and save-under bits must be set on the wrapper