summaryrefslogtreecommitdiffstats
path: root/generic/tkPlace.c
diff options
context:
space:
mode:
Diffstat (limited to 'generic/tkPlace.c')
-rw-r--r--generic/tkPlace.c639
1 files changed, 313 insertions, 326 deletions
diff --git a/generic/tkPlace.c b/generic/tkPlace.c
index bdd0a7d..5024344 100644
--- a/generic/tkPlace.c
+++ b/generic/tkPlace.c
@@ -1,65 +1,64 @@
-/*
+/*
* tkPlace.c --
*
- * This file contains code to implement a simple geometry manager
- * for Tk based on absolute placement or "rubber-sheet" placement.
+ * This file contains code to implement a simple geometry manager for Tk
+ * based on absolute placement or "rubber-sheet" placement.
*
* Copyright (c) 1992-1994 The Regents of the University of California.
* Copyright (c) 1994-1997 Sun Microsystems, Inc.
*
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tkPlace.c,v 1.16 2004/09/16 18:01:20 pspjuth Exp $
+ * RCS: @(#) $Id: tkPlace.c,v 1.17 2005/11/15 15:18:22 dkf Exp $
*/
#include "tkPort.h"
#include "tkInt.h"
-
/*
* Border modes for relative placement:
*
- * BM_INSIDE: relative distances computed using area inside
- * all borders of master window.
- * BM_OUTSIDE: relative distances computed using outside area
- * that includes all borders of master.
- * BM_IGNORE: border issues are ignored: place relative to
- * master's actual window size.
+ * BM_INSIDE: relative distances computed using area inside all
+ * borders of master window.
+ * BM_OUTSIDE: relative distances computed using outside area that
+ * includes all borders of master.
+ * BM_IGNORE: border issues are ignored: place relative to master's
+ * actual window size.
*/
static char *borderModeStrings[] = {
- "inside", "outside", "ignore", (char *) NULL
+ "inside", "outside", "ignore", NULL
};
typedef enum {BM_INSIDE, BM_OUTSIDE, BM_IGNORE} BorderMode;
/*
- * For each window whose geometry is managed by the placer there is
- * a structure of the following type:
+ * For each window whose geometry is managed by the placer there is a
+ * structure of the following type:
*/
typedef struct Slave {
Tk_Window tkwin; /* Tk's token for window. */
Tk_Window inTkwin; /* Token for the -in window. */
- struct Master *masterPtr; /* Pointer to information for window
- * relative to which tkwin is placed.
- * This isn't necessarily the logical
- * parent of tkwin. NULL means the
- * master was deleted or never assigned. */
- struct Slave *nextPtr; /* Next in list of windows placed relative
- * to same master (NULL for end of list). */
+ struct Master *masterPtr; /* Pointer to information for window relative
+ * to which tkwin is placed. This isn't
+ * necessarily the logical parent of tkwin.
+ * NULL means the master was deleted or never
+ * assigned. */
+ struct Slave *nextPtr; /* Next in list of windows placed relative to
+ * same master (NULL for end of list). */
Tk_OptionTable optionTable; /* Table that defines configuration options
* available for this command. */
/*
- * Geometry information for window; where there are both relative
- * and absolute values for the same attribute (e.g. x and relX) only
- * one of them is actually used, depending on flags.
+ * Geometry information for window; where there are both relative and
+ * absolute values for the same attribute (e.g. x and relX) only one of
+ * them is actually used, depending on flags.
*/
int x, y; /* X and Y pixel coordinates for tkwin. */
- Tcl_Obj *xPtr, *yPtr; /* Tcl_Obj rep's of x, y coords, to keep
- * pixel spec. information */
+ Tcl_Obj *xPtr, *yPtr; /* Tcl_Obj rep's of x, y coords, to keep pixel
+ * spec. information */
double relX, relY; /* X and Y coordinates relative to size of
* master. */
int width, height; /* Absolute dimensions for tkwin. */
@@ -69,16 +68,17 @@ typedef struct Slave {
* master. */
Tcl_Obj *relWidthPtr;
Tcl_Obj *relHeightPtr;
- Tk_Anchor anchor; /* Which point on tkwin is placed at the
- * given position. */
+ Tk_Anchor anchor; /* Which point on tkwin is placed at the given
+ * position. */
BorderMode borderMode; /* How to treat borders of master window. */
- int flags; /* Various flags; see below for bit
+ int flags; /* Various flags; see below for bit
* definitions. */
} Slave;
/*
* Type masks for options:
*/
+
#define IN_MASK 1
static Tk_OptionSpec optionSpecs[] = {
@@ -106,10 +106,9 @@ static Tk_OptionSpec optionSpecs[] = {
Tk_Offset(Slave, x), TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_PIXELS, "-y", NULL, NULL, "0", Tk_Offset(Slave, yPtr),
Tk_Offset(Slave, y), TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_END, (char *) NULL, (char *) NULL, (char *) NULL,
- (char *) NULL, 0, -1, 0, 0, 0}
+ {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0}
};
-
+
/*
* Flag definitions for Slave structures:
*
@@ -125,35 +124,34 @@ static Tk_OptionSpec optionSpecs[] = {
#define CHILD_REL_HEIGHT 8
/*
- * For each master window that has a slave managed by the placer there
- * is a structure of the following form:
+ * For each master window that has a slave managed by the placer there is a
+ * structure of the following form:
*/
typedef struct Master {
Tk_Window tkwin; /* Tk's token for master window. */
- struct Slave *slavePtr; /* First in linked list of slaves
- * placed relative to this master. */
+ struct Slave *slavePtr; /* First in linked list of slaves placed
+ * relative to this master. */
int flags; /* See below for bit definitions. */
} Master;
/*
* Flag definitions for masters:
*
- * PARENT_RECONFIG_PENDING - 1 means that a call to RecomputePlacement
- * is already pending via a Do_When_Idle handler.
+ * PARENT_RECONFIG_PENDING - 1 means that a call to RecomputePlacement is
+ * already pending via a Do_When_Idle handler.
*/
#define PARENT_RECONFIG_PENDING 1
/*
- * The following structure is the official type record for the
- * placer:
+ * The following structure is the official type record for the placer:
*/
-static void PlaceRequestProc _ANSI_ARGS_((ClientData clientData,
- Tk_Window tkwin));
-static void PlaceLostSlaveProc _ANSI_ARGS_((ClientData clientData,
- Tk_Window tkwin));
+static void PlaceRequestProc(ClientData clientData,
+ Tk_Window tkwin);
+static void PlaceLostSlaveProc(ClientData clientData,
+ Tk_Window tkwin);
static Tk_GeomMgr placerType = {
"place", /* name */
@@ -162,35 +160,32 @@ static Tk_GeomMgr placerType = {
};
/*
- * Forward declarations for procedures defined later in this file:
+ * Forward declarations for functions defined later in this file:
*/
-static void SlaveStructureProc _ANSI_ARGS_((ClientData clientData,
- XEvent *eventPtr));
-static int ConfigureSlave _ANSI_ARGS_((Tcl_Interp *interp,
- Tk_Window tkwin, Tk_OptionTable table,
- int objc, Tcl_Obj *CONST objv[]));
-static int PlaceInfoCommand _ANSI_ARGS_((Tcl_Interp *interp,
- Tk_Window tkwin));
-static Slave * CreateSlave _ANSI_ARGS_((Tk_Window tkwin,
- Tk_OptionTable table));
-static void FreeSlave _ANSI_ARGS_((Slave *slavePtr));
-static Slave * FindSlave _ANSI_ARGS_((Tk_Window tkwin));
-static Master * CreateMaster _ANSI_ARGS_((Tk_Window tkwin));
-static Master * FindMaster _ANSI_ARGS_((Tk_Window tkwin));
-static void MasterStructureProc _ANSI_ARGS_((ClientData clientData,
- XEvent *eventPtr));
-static void RecomputePlacement _ANSI_ARGS_((ClientData clientData));
-static void UnlinkSlave _ANSI_ARGS_((Slave *slavePtr));
+static void SlaveStructureProc(ClientData clientData,
+ XEvent *eventPtr);
+static int ConfigureSlave(Tcl_Interp *interp, Tk_Window tkwin,
+ Tk_OptionTable table, int objc,
+ Tcl_Obj *CONST objv[]);
+static int PlaceInfoCommand(Tcl_Interp *interp, Tk_Window tkwin);
+static Slave * CreateSlave(Tk_Window tkwin, Tk_OptionTable table);
+static void FreeSlave(Slave *slavePtr);
+static Slave * FindSlave(Tk_Window tkwin);
+static Master * CreateMaster(Tk_Window tkwin);
+static Master * FindMaster(Tk_Window tkwin);
+static void MasterStructureProc(ClientData clientData,
+ XEvent *eventPtr);
+static void RecomputePlacement(ClientData clientData);
+static void UnlinkSlave(Slave *slavePtr);
/*
*--------------------------------------------------------------
*
* Tk_PlaceObjCmd --
*
- * This procedure is invoked to process the "place" Tcl
- * commands. See the user documentation for details on
- * what it does.
+ * This function is invoked to process the "place" Tcl commands. See the
+ * user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
@@ -202,11 +197,11 @@ static void UnlinkSlave _ANSI_ARGS_((Slave *slavePtr));
*/
int
-Tk_PlaceObjCmd(clientData, interp, objc, objv)
- ClientData clientData; /* NULL. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
+Tk_PlaceObjCmd(
+ ClientData clientData, /* NULL. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *CONST objv[]) /* Argument objects. */
{
Tk_Window tkwin;
Slave *slavePtr;
@@ -214,20 +209,19 @@ Tk_PlaceObjCmd(clientData, interp, objc, objv)
TkDisplay *dispPtr;
Tk_OptionTable optionTable;
static CONST char *optionStrings[] = {
- "configure", "forget", "info", "slaves", (char *) NULL
+ "configure", "forget", "info", "slaves", NULL
};
enum options { PLACE_CONFIGURE, PLACE_FORGET, PLACE_INFO, PLACE_SLAVES };
int index;
-
-
+
if (objc < 3) {
Tcl_WrongNumArgs(interp, 1, objv, "option|pathName args");
return TCL_ERROR;
}
/*
- * Create the option table for this widget class. If it has already
- * been created, the cached pointer will be returned.
+ * Create the option table for this widget class. If it has already been
+ * created, the cached pointer will be returned.
*/
optionTable = Tk_CreateOptionTable(interp, optionSpecs);
@@ -258,8 +252,8 @@ Tk_PlaceObjCmd(clientData, interp, objc, objv)
}
/*
- * Handle more general case of option followed by window name followed
- * by possible additional arguments.
+ * Handle more general case of option followed by window name followed by
+ * possible additional arguments.
*/
tkwin = Tk_NameToWindow(interp, Tcl_GetString(objv[2]),
@@ -285,81 +279,74 @@ Tk_PlaceObjCmd(clientData, interp, objc, objv)
}
switch ((enum options) index) {
- case PLACE_CONFIGURE: {
+ case PLACE_CONFIGURE:
+ if (objc == 3 || objc == 4) {
Tcl_Obj *objPtr;
- if (objc == 3 || objc == 4) {
- slavePtr = FindSlave(tkwin);
- if (slavePtr == NULL) {
- return TCL_OK;
- }
- objPtr = Tk_GetOptionInfo(interp, (char *) slavePtr,
- optionTable,
- (objc == 4) ? objv[3] : (Tcl_Obj *) NULL, tkwin);
- if (objPtr == NULL) {
- return TCL_ERROR;
- } else {
- Tcl_SetObjResult(interp, objPtr);
- return TCL_OK;
- }
- } else {
- return ConfigureSlave(interp, tkwin, optionTable, objc-3,
- objv+3);
- }
- }
-
- case PLACE_FORGET: {
- if (objc != 3) {
- Tcl_WrongNumArgs(interp, 2, objv, "pathName");
- return TCL_ERROR;
- }
+
slavePtr = FindSlave(tkwin);
if (slavePtr == NULL) {
return TCL_OK;
}
- if ((slavePtr->masterPtr != NULL) &&
- (slavePtr->masterPtr->tkwin !=
- Tk_Parent(slavePtr->tkwin))) {
- Tk_UnmaintainGeometry(slavePtr->tkwin,
- slavePtr->masterPtr->tkwin);
- }
- UnlinkSlave(slavePtr);
- Tcl_DeleteHashEntry(Tcl_FindHashEntry(&dispPtr->slaveTable,
- (char *) tkwin));
- Tk_DeleteEventHandler(tkwin, StructureNotifyMask,
- SlaveStructureProc, (ClientData) slavePtr);
- Tk_ManageGeometry(tkwin, (Tk_GeomMgr *) NULL, (ClientData) NULL);
- Tk_UnmapWindow(tkwin);
- FreeSlave(slavePtr);
- break;
- }
-
- case PLACE_INFO: {
- if (objc != 3) {
- Tcl_WrongNumArgs(interp, 2, objv, "pathName");
+ objPtr = Tk_GetOptionInfo(interp, (char *) slavePtr, optionTable,
+ (objc == 4) ? objv[3] : NULL, tkwin);
+ if (objPtr == NULL) {
return TCL_ERROR;
}
- return PlaceInfoCommand(interp, tkwin);
+ Tcl_SetObjResult(interp, objPtr);
+ return TCL_OK;
}
+ return ConfigureSlave(interp, tkwin, optionTable, objc-3, objv+3);
- case PLACE_SLAVES: {
- Master *masterPtr;
- Tcl_Obj *listPtr;
- if (objc != 3) {
- Tcl_WrongNumArgs(interp, 2, objv, "pathName");
- return TCL_ERROR;
- }
- masterPtr = FindMaster(tkwin);
- if (masterPtr != NULL) {
- listPtr = Tcl_NewObj();
- for (slavePtr = masterPtr->slavePtr; slavePtr != NULL;
- slavePtr = slavePtr->nextPtr) {
- Tcl_ListObjAppendElement(interp, listPtr,
- Tcl_NewStringObj(Tk_PathName(slavePtr->tkwin),-1));
- }
- Tcl_SetObjResult(interp, listPtr);
+ case PLACE_FORGET:
+ if (objc != 3) {
+ Tcl_WrongNumArgs(interp, 2, objv, "pathName");
+ return TCL_ERROR;
+ }
+ slavePtr = FindSlave(tkwin);
+ if (slavePtr == NULL) {
+ return TCL_OK;
+ }
+ if ((slavePtr->masterPtr != NULL) &&
+ (slavePtr->masterPtr->tkwin != Tk_Parent(slavePtr->tkwin))) {
+ Tk_UnmaintainGeometry(slavePtr->tkwin, slavePtr->masterPtr->tkwin);
+ }
+ UnlinkSlave(slavePtr);
+ Tcl_DeleteHashEntry(Tcl_FindHashEntry(&dispPtr->slaveTable,
+ (char *) tkwin));
+ Tk_DeleteEventHandler(tkwin, StructureNotifyMask, SlaveStructureProc,
+ (ClientData) slavePtr);
+ Tk_ManageGeometry(tkwin, NULL, (ClientData) NULL);
+ Tk_UnmapWindow(tkwin);
+ FreeSlave(slavePtr);
+ break;
+
+ case PLACE_INFO:
+ if (objc != 3) {
+ Tcl_WrongNumArgs(interp, 2, objv, "pathName");
+ return TCL_ERROR;
+ }
+ return PlaceInfoCommand(interp, tkwin);
+
+ case PLACE_SLAVES: {
+ Master *masterPtr;
+
+ if (objc != 3) {
+ Tcl_WrongNumArgs(interp, 2, objv, "pathName");
+ return TCL_ERROR;
+ }
+ masterPtr = FindMaster(tkwin);
+ if (masterPtr != NULL) {
+ Tcl_Obj *listPtr = Tcl_NewObj();
+
+ for (slavePtr = masterPtr->slavePtr; slavePtr != NULL;
+ slavePtr = slavePtr->nextPtr) {
+ Tcl_ListObjAppendElement(interp, listPtr,
+ Tcl_NewStringObj(Tk_PathName(slavePtr->tkwin),-1));
}
- break;
+ Tcl_SetObjResult(interp, listPtr);
}
+ break;
+ }
}
return TCL_OK;
@@ -370,8 +357,8 @@ Tk_PlaceObjCmd(clientData, interp, objc, objv)
*
* CreateSlave --
*
- * Given a Tk_Window token, find the Slave structure corresponding
- * to that token, creating a new one if necessary.
+ * Given a Tk_Window token, find the Slave structure corresponding to
+ * that token, creating a new one if necessary.
*
* Results:
* Pointer to the Slave structure.
@@ -383,24 +370,24 @@ Tk_PlaceObjCmd(clientData, interp, objc, objv)
*/
static Slave *
-CreateSlave(tkwin, table)
- Tk_Window tkwin; /* Token for desired slave. */
- Tk_OptionTable table;
+CreateSlave(
+ Tk_Window tkwin, /* Token for desired slave. */
+ Tk_OptionTable table)
{
Tcl_HashEntry *hPtr;
register Slave *slavePtr;
int new;
- TkDisplay * dispPtr = ((TkWindow *) tkwin)->dispPtr;
+ TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;
hPtr = Tcl_CreateHashEntry(&dispPtr->slaveTable, (char *) tkwin, &new);
if (new) {
slavePtr = (Slave *) ckalloc(sizeof(Slave));
memset(slavePtr, 0, sizeof(Slave));
- slavePtr->tkwin = tkwin;
- slavePtr->inTkwin = None;
- slavePtr->anchor = TK_ANCHOR_NW;
- slavePtr->borderMode = BM_INSIDE;
- slavePtr->optionTable = table;
+ slavePtr->tkwin = tkwin;
+ slavePtr->inTkwin = None;
+ slavePtr->anchor = TK_ANCHOR_NW;
+ slavePtr->borderMode = BM_INSIDE;
+ slavePtr->optionTable = table;
Tcl_SetHashValue(hPtr, slavePtr);
Tk_CreateEventHandler(tkwin, StructureNotifyMask, SlaveStructureProc,
(ClientData) slavePtr);
@@ -409,7 +396,6 @@ CreateSlave(tkwin, table)
}
return slavePtr;
}
-
/*
*----------------------------------------------------------------------
@@ -428,22 +414,22 @@ CreateSlave(tkwin, table)
*/
static void
-FreeSlave(Slave *slavePtr)
+FreeSlave(
+ Slave *slavePtr)
{
Tk_FreeConfigOptions((char *) slavePtr, slavePtr->optionTable,
slavePtr->tkwin);
ckfree((char *) slavePtr);
}
-
/*
*----------------------------------------------------------------------
*
* FindSlave --
*
- * Given a Tk_Window token, find the Slave structure corresponding
- * to that token. This is purely a lookup function; it will not
- * create a record if one does not yet exist.
+ * Given a Tk_Window token, find the Slave structure corresponding to
+ * that token. This is purely a lookup function; it will not create a
+ * record if one does not yet exist.
*
* Results:
* Pointer to Slave structure; NULL if none exists.
@@ -455,8 +441,8 @@ FreeSlave(Slave *slavePtr)
*/
static Slave *
-FindSlave(tkwin)
- Tk_Window tkwin; /* Token for desired slave. */
+FindSlave(
+ Tk_Window tkwin) /* Token for desired slave. */
{
Tcl_HashEntry *hPtr;
register Slave *slavePtr;
@@ -475,8 +461,8 @@ FindSlave(tkwin)
*
* UnlinkSlave --
*
- * This procedure removes a slave window from the chain of slaves
- * in its master.
+ * This function removes a slave window from the chain of slaves in its
+ * master.
*
* Results:
* None.
@@ -488,8 +474,8 @@ FindSlave(tkwin)
*/
static void
-UnlinkSlave(slavePtr)
- Slave *slavePtr; /* Slave structure to be unlinked. */
+UnlinkSlave(
+ Slave *slavePtr) /* Slave structure to be unlinked. */
{
register Master *masterPtr;
register Slave *prevPtr;
@@ -501,8 +487,7 @@ UnlinkSlave(slavePtr)
if (masterPtr->slavePtr == slavePtr) {
masterPtr->slavePtr = slavePtr->nextPtr;
} else {
- for (prevPtr = masterPtr->slavePtr; ;
- prevPtr = prevPtr->nextPtr) {
+ for (prevPtr = masterPtr->slavePtr; ; prevPtr = prevPtr->nextPtr) {
if (prevPtr == NULL) {
Tcl_Panic("UnlinkSlave couldn't find slave to unlink");
}
@@ -520,8 +505,8 @@ UnlinkSlave(slavePtr)
*
* CreateMaster --
*
- * Given a Tk_Window token, find the Master structure corresponding
- * to that token, creating a new one if necessary.
+ * Given a Tk_Window token, find the Master structure corresponding to
+ * that token, creating a new one if necessary.
*
* Results:
* Pointer to the Master structure.
@@ -533,8 +518,8 @@ UnlinkSlave(slavePtr)
*/
static Master *
-CreateMaster(tkwin)
- Tk_Window tkwin; /* Token for desired master. */
+CreateMaster(
+ Tk_Window tkwin) /* Token for desired master. */
{
Tcl_HashEntry *hPtr;
register Master *masterPtr;
@@ -544,9 +529,9 @@ CreateMaster(tkwin)
hPtr = Tcl_CreateHashEntry(&dispPtr->masterTable, (char *) tkwin, &new);
if (new) {
masterPtr = (Master *) ckalloc(sizeof(Master));
- masterPtr->tkwin = tkwin;
- masterPtr->slavePtr = NULL;
- masterPtr->flags = 0;
+ masterPtr->tkwin = tkwin;
+ masterPtr->slavePtr = NULL;
+ masterPtr->flags = 0;
Tcl_SetHashValue(hPtr, masterPtr);
Tk_CreateEventHandler(masterPtr->tkwin, StructureNotifyMask,
MasterStructureProc, (ClientData) masterPtr);
@@ -561,13 +546,13 @@ CreateMaster(tkwin)
*
* FindMaster --
*
- * Given a Tk_Window token, find the Master structure corresponding
- * to that token. This is simply a lookup procedure; a new record
- * will not be created if one does not already exist.
+ * Given a Tk_Window token, find the Master structure corresponding to
+ * that token. This is simply a lookup function; a new record will not be
+ * created if one does not already exist.
*
* Results:
- * Pointer to the Master structure; NULL if one does not exist for
- * the given Tk_Window token.
+ * Pointer to the Master structure; NULL if one does not exist for the
+ * given Tk_Window token.
*
* Side effects:
* None.
@@ -576,8 +561,8 @@ CreateMaster(tkwin)
*/
static Master *
-FindMaster(tkwin)
- Tk_Window tkwin; /* Token for desired master. */
+FindMaster(
+ Tk_Window tkwin) /* Token for desired master. */
{
Tcl_HashEntry *hPtr;
register Master *masterPtr;
@@ -596,27 +581,27 @@ FindMaster(tkwin)
*
* ConfigureSlave --
*
- * This procedure is called to process an argv/argc list to
- * reconfigure the placement of a window.
+ * This function is called to process an argv/argc list to reconfigure
+ * the placement of a window.
*
* Results:
- * A standard Tcl result. If an error occurs then a message is
- * left in the interp's result.
+ * A standard Tcl result. If an error occurs then a message is left in
+ * the interp's result.
*
* Side effects:
- * Information in slavePtr may change, and slavePtr's master is
- * scheduled for reconfiguration.
+ * Information in slavePtr may change, and slavePtr's master is scheduled
+ * for reconfiguration.
*
*----------------------------------------------------------------------
*/
static int
-ConfigureSlave(interp, tkwin, table, objc, objv)
- Tcl_Interp *interp; /* Used for error reporting. */
- Tk_Window tkwin; /* Token for the window to manipulate. */
- Tk_OptionTable table; /* Token for option table. */
- int objc; /* Number of config arguments. */
- Tcl_Obj *CONST objv[]; /* Object values for arguments. */
+ConfigureSlave(
+ Tcl_Interp *interp, /* Used for error reporting. */
+ Tk_Window tkwin, /* Token for the window to manipulate. */
+ Tk_OptionTable table, /* Token for option table. */
+ int objc, /* Number of config arguments. */
+ Tcl_Obj *CONST objv[]) /* Object values for arguments. */
{
register Master *masterPtr;
Tk_SavedOptions savedOptions;
@@ -626,8 +611,7 @@ ConfigureSlave(interp, tkwin, table, objc, objv)
if (Tk_TopWinHierarchy(tkwin)) {
Tcl_AppendResult(interp, "can't use placer on top-level window \"",
- Tk_PathName(tkwin), "\"; use wm command instead",
- (char *) NULL);
+ Tk_PathName(tkwin), "\"; use wm command instead", NULL);
return TCL_ERROR;
}
@@ -639,7 +623,7 @@ ConfigureSlave(interp, tkwin, table, objc, objv)
}
/*
- * Set slave flags. First clear the field, then add bits as needed.
+ * Set slave flags. First clear the field, then add bits as needed.
*/
slavePtr->flags = 0;
@@ -661,8 +645,8 @@ ConfigureSlave(interp, tkwin, table, objc, objv)
if (((mask & IN_MASK) == 0) && (slavePtr->masterPtr != NULL)) {
/*
- * If no -in option was passed and the slave is already placed
- * then just recompute the placement.
+ * If no -in option was passed and the slave is already placed then
+ * just recompute the placement.
*/
masterPtr = slavePtr->masterPtr;
@@ -675,9 +659,9 @@ ConfigureSlave(interp, tkwin, table, objc, objv)
tkwin = slavePtr->inTkwin;
/*
- * Make sure that the new master is either the logical parent
- * of the slave or a descendant of that window, and that the
- * master and slave aren't the same.
+ * Make sure that the new master is either the logical parent of the
+ * slave or a descendant of that window, and that the master and slave
+ * aren't the same.
*/
for (ancestor = tkwin; ; ancestor = Tk_Parent(ancestor)) {
@@ -687,33 +671,31 @@ ConfigureSlave(interp, tkwin, table, objc, objv)
if (Tk_TopWinHierarchy(ancestor)) {
Tcl_AppendResult(interp, "can't place ",
Tk_PathName(slavePtr->tkwin), " relative to ",
- Tk_PathName(tkwin), (char *) NULL);
+ Tk_PathName(tkwin), NULL);
goto error;
}
}
if (slavePtr->tkwin == tkwin) {
Tcl_AppendResult(interp, "can't place ",
Tk_PathName(slavePtr->tkwin), " relative to itself",
- (char *) NULL);
+ NULL);
goto error;
}
if ((slavePtr->masterPtr != NULL)
&& (slavePtr->masterPtr->tkwin == tkwin)) {
/*
- * Re-using same old master. Nothing to do.
+ * Re-using same old master. Nothing to do.
*/
+
masterPtr = slavePtr->masterPtr;
goto scheduleLayout;
- } else {
- if ((slavePtr->masterPtr != NULL)
- && (slavePtr->masterPtr->tkwin
- != Tk_Parent(slavePtr->tkwin))) {
- Tk_UnmaintainGeometry(slavePtr->tkwin,
- slavePtr->masterPtr->tkwin);
- }
- UnlinkSlave(slavePtr);
- masterWin = tkwin;
}
+ if ((slavePtr->masterPtr != NULL) &&
+ (slavePtr->masterPtr->tkwin != Tk_Parent(slavePtr->tkwin))) {
+ Tk_UnmaintainGeometry(slavePtr->tkwin, slavePtr->masterPtr->tkwin);
+ }
+ UnlinkSlave(slavePtr);
+ masterWin = tkwin;
}
/*
@@ -736,11 +718,10 @@ ConfigureSlave(interp, tkwin, table, objc, objv)
Tk_ManageGeometry(slavePtr->tkwin, &placerType, (ClientData) slavePtr);
/*
- * Arrange for the master to be re-arranged at the first
- * idle moment.
+ * Arrange for the master to be re-arranged at the first idle moment.
*/
- scheduleLayout:
+ scheduleLayout:
Tk_FreeSavedOptions(&savedOptions);
if (!(masterPtr->flags & PARENT_RECONFIG_PENDING)) {
@@ -753,7 +734,7 @@ ConfigureSlave(interp, tkwin, table, objc, objv)
* Error while processing some option, cleanup and return.
*/
- error:
+ error:
Tk_RestoreSavedOptions(&savedOptions);
return TCL_ERROR;
}
@@ -763,27 +744,27 @@ ConfigureSlave(interp, tkwin, table, objc, objv)
*
* PlaceInfoCommand --
*
- * Implementation of the [place info] subcommand. See the user
+ * Implementation of the [place info] subcommand. See the user
* documentation for information on what it does.
*
* Results:
* Standard Tcl result.
*
* Side effects:
- * If the given tkwin is managed by the placer, this function will
- * put information about that placement in the interp's result.
+ * If the given tkwin is managed by the placer, this function will put
+ * information about that placement in the interp's result.
*
*----------------------------------------------------------------------
*/
static int
-PlaceInfoCommand(interp, tkwin)
- Tcl_Interp *interp; /* Interp into which to place result. */
- Tk_Window tkwin; /* Token for the window to get info on. */
+PlaceInfoCommand(
+ Tcl_Interp *interp, /* Interp into which to place result. */
+ Tk_Window tkwin) /* Token for the window to get info on. */
{
char buffer[32 + TCL_INTEGER_SPACE];
Slave *slavePtr;
-
+
slavePtr = FindSlave(tkwin);
if (slavePtr == NULL) {
return TCL_OK;
@@ -793,38 +774,38 @@ PlaceInfoCommand(interp, tkwin)
Tcl_AppendElement(interp, Tk_PathName(slavePtr->masterPtr->tkwin));
}
sprintf(buffer, " -x %d", slavePtr->x);
- Tcl_AppendResult(interp, buffer, (char *) NULL);
+ Tcl_AppendResult(interp, buffer, NULL);
sprintf(buffer, " -relx %.4g", slavePtr->relX);
- Tcl_AppendResult(interp, buffer, (char *) NULL);
+ Tcl_AppendResult(interp, buffer, NULL);
sprintf(buffer, " -y %d", slavePtr->y);
- Tcl_AppendResult(interp, buffer, (char *) NULL);
+ Tcl_AppendResult(interp, buffer, NULL);
sprintf(buffer, " -rely %.4g", slavePtr->relY);
- Tcl_AppendResult(interp, buffer, (char *) NULL);
+ Tcl_AppendResult(interp, buffer, NULL);
if (slavePtr->flags & CHILD_WIDTH) {
sprintf(buffer, " -width %d", slavePtr->width);
- Tcl_AppendResult(interp, buffer, (char *) NULL);
+ Tcl_AppendResult(interp, buffer, NULL);
} else {
- Tcl_AppendResult(interp, " -width {}", (char *) NULL);
+ Tcl_AppendResult(interp, " -width {}", NULL);
}
if (slavePtr->flags & CHILD_REL_WIDTH) {
sprintf(buffer, " -relwidth %.4g", slavePtr->relWidth);
- Tcl_AppendResult(interp, buffer, (char *) NULL);
+ Tcl_AppendResult(interp, buffer, NULL);
} else {
- Tcl_AppendResult(interp, " -relwidth {}", (char *) NULL);
+ Tcl_AppendResult(interp, " -relwidth {}", NULL);
}
if (slavePtr->flags & CHILD_HEIGHT) {
sprintf(buffer, " -height %d", slavePtr->height);
- Tcl_AppendResult(interp, buffer, (char *) NULL);
+ Tcl_AppendResult(interp, buffer, NULL);
} else {
- Tcl_AppendResult(interp, " -height {}", (char *) NULL);
+ Tcl_AppendResult(interp, " -height {}", NULL);
}
if (slavePtr->flags & CHILD_REL_HEIGHT) {
sprintf(buffer, " -relheight %.4g", slavePtr->relHeight);
- Tcl_AppendResult(interp, buffer, (char *) NULL);
+ Tcl_AppendResult(interp, buffer, NULL);
} else {
- Tcl_AppendResult(interp, " -relheight {}", (char *) NULL);
+ Tcl_AppendResult(interp, " -relheight {}", NULL);
}
-
+
Tcl_AppendElement(interp, "-anchor");
Tcl_AppendElement(interp, Tk_NameOfAnchor(slavePtr->anchor));
Tcl_AppendElement(interp, "-bordermode");
@@ -837,8 +818,8 @@ PlaceInfoCommand(interp, tkwin)
*
* RecomputePlacement --
*
- * This procedure is called as a when-idle handler. It recomputes
- * the geometries of all the slaves of a given master.
+ * This function is called as a when-idle handler. It recomputes the
+ * geometries of all the slaves of a given master.
*
* Results:
* None.
@@ -850,8 +831,8 @@ PlaceInfoCommand(interp, tkwin)
*/
static void
-RecomputePlacement(clientData)
- ClientData clientData; /* Pointer to Master record. */
+RecomputePlacement(
+ ClientData clientData) /* Pointer to Master record. */
{
register Master *masterPtr = (Master *) clientData;
register Slave *slavePtr;
@@ -862,15 +843,15 @@ RecomputePlacement(clientData)
masterPtr->flags &= ~PARENT_RECONFIG_PENDING;
/*
- * Iterate over all the slaves for the master. Each slave's
- * geometry can be computed independently of the other slaves.
+ * Iterate over all the slaves for the master. Each slave's geometry can
+ * be computed independently of the other slaves.
*/
for (slavePtr = masterPtr->slavePtr; slavePtr != NULL;
slavePtr = slavePtr->nextPtr) {
/*
- * Step 1: compute size and borderwidth of master, taking into
- * account desired border mode.
+ * Step 1: compute size and borderwidth of master, taking into account
+ * desired border mode.
*/
masterX = masterY = 0;
@@ -889,8 +870,8 @@ RecomputePlacement(clientData)
}
/*
- * Step 2: compute size of slave (outside dimensions including
- * border) and location of anchor point within master.
+ * Step 2: compute size of slave (outside dimensions including border)
+ * and location of anchor point within master.
*/
x1 = slavePtr->x + masterX + (slavePtr->relX*masterWidth);
@@ -904,11 +885,11 @@ RecomputePlacement(clientData)
}
if (slavePtr->flags & CHILD_REL_WIDTH) {
/*
- * The code below is a bit tricky. In order to round
- * correctly when both relX and relWidth are specified,
- * compute the location of the right edge and round that,
- * then compute width. If we compute the width and round
- * it, rounding errors in relX and relWidth accumulate.
+ * The code below is a bit tricky. In order to round correctly
+ * when both relX and relWidth are specified, compute the
+ * location of the right edge and round that, then compute
+ * width. If we compute the width and round it, rounding
+ * errors in relX and relWidth accumulate.
*/
x2 = x1 + (slavePtr->relWidth*masterWidth);
@@ -925,7 +906,7 @@ RecomputePlacement(clientData)
height += slavePtr->height;
}
if (slavePtr->flags & CHILD_REL_HEIGHT) {
- /*
+ /*
* See note above for rounding errors in width computation.
*/
@@ -939,47 +920,47 @@ RecomputePlacement(clientData)
}
/*
- * Step 3: adjust the x and y positions so that the desired
- * anchor point on the slave appears at that position. Also
- * adjust for the border mode and master's border.
+ * Step 3: adjust the x and y positions so that the desired anchor
+ * point on the slave appears at that position. Also adjust for the
+ * border mode and master's border.
*/
switch (slavePtr->anchor) {
- case TK_ANCHOR_N:
- x -= width/2;
- break;
- case TK_ANCHOR_NE:
- x -= width;
- break;
- case TK_ANCHOR_E:
- x -= width;
- y -= height/2;
- break;
- case TK_ANCHOR_SE:
- x -= width;
- y -= height;
- break;
- case TK_ANCHOR_S:
- x -= width/2;
- y -= height;
- break;
- case TK_ANCHOR_SW:
- y -= height;
- break;
- case TK_ANCHOR_W:
- y -= height/2;
- break;
- case TK_ANCHOR_NW:
- break;
- case TK_ANCHOR_CENTER:
- x -= width/2;
- y -= height/2;
- break;
+ case TK_ANCHOR_N:
+ x -= width/2;
+ break;
+ case TK_ANCHOR_NE:
+ x -= width;
+ break;
+ case TK_ANCHOR_E:
+ x -= width;
+ y -= height/2;
+ break;
+ case TK_ANCHOR_SE:
+ x -= width;
+ y -= height;
+ break;
+ case TK_ANCHOR_S:
+ x -= width/2;
+ y -= height;
+ break;
+ case TK_ANCHOR_SW:
+ y -= height;
+ break;
+ case TK_ANCHOR_W:
+ y -= height/2;
+ break;
+ case TK_ANCHOR_NW:
+ break;
+ case TK_ANCHOR_CENTER:
+ x -= width/2;
+ y -= height/2;
+ break;
}
/*
* Step 4: adjust width and height again to reflect inside dimensions
- * of window rather than outside. Also make sure that the width and
+ * of window rather than outside. Also make sure that the width and
* height aren't zero.
*/
@@ -993,11 +974,10 @@ RecomputePlacement(clientData)
}
/*
- * Step 5: reconfigure the window and map it if needed. If the
- * slave is a child of the master, we do this ourselves. If the
- * slave isn't a child of the master, let Tk_MaintainGeometry do
- * the work (it will re-adjust things as relevant windows map,
- * unmap, and move).
+ * Step 5: reconfigure the window and map it if needed. If the slave
+ * is a child of the master, we do this ourselves. If the slave isn't
+ * a child of the master, let Tk_MaintainGeometry do the work (it will
+ * re-adjust things as relevant windows map, unmap, and move).
*/
if (masterPtr->tkwin == Tk_Parent(slavePtr->tkwin)) {
@@ -1009,8 +989,8 @@ RecomputePlacement(clientData)
}
/*
- * Don't map the slave unless the master is mapped: the slave
- * will get mapped later, when the master is mapped.
+ * Don't map the slave unless the master is mapped: the slave will
+ * get mapped later, when the master is mapped.
*/
if (Tk_IsMapped(masterPtr->tkwin)) {
@@ -1033,24 +1013,24 @@ RecomputePlacement(clientData)
*
* MasterStructureProc --
*
- * This procedure is invoked by the Tk event handler when
- * StructureNotify events occur for a master window.
+ * This function is invoked by the Tk event handler when StructureNotify
+ * events occur for a master window.
*
* Results:
* None.
*
* Side effects:
- * Structures get cleaned up if the window was deleted. If the
- * window was resized then slave geometries get recomputed.
+ * Structures get cleaned up if the window was deleted. If the window was
+ * resized then slave geometries get recomputed.
*
*----------------------------------------------------------------------
*/
static void
-MasterStructureProc(clientData, eventPtr)
- ClientData clientData; /* Pointer to Master structure for window
+MasterStructureProc(
+ ClientData clientData, /* Pointer to Master structure for window
* referred to by eventPtr. */
- XEvent *eventPtr; /* Describes what just happened. */
+ XEvent *eventPtr) /* Describes what just happened. */
{
register Master *masterPtr = (Master *) clientData;
register Slave *slavePtr, *nextPtr;
@@ -1078,8 +1058,8 @@ MasterStructureProc(clientData, eventPtr)
ckfree((char *) masterPtr);
} else if (eventPtr->type == MapNotify) {
/*
- * When a master gets mapped, must redo the geometry computation
- * so that all of its slaves get remapped.
+ * When a master gets mapped, must redo the geometry computation so
+ * that all of its slaves get remapped.
*/
if ((masterPtr->slavePtr != NULL)
@@ -1089,8 +1069,8 @@ MasterStructureProc(clientData, eventPtr)
}
} else if (eventPtr->type == UnmapNotify) {
/*
- * Unmap all of the slaves when the master gets unmapped,
- * so that they don't keep redisplaying themselves.
+ * Unmap all of the slaves when the master gets unmapped, so that they
+ * don't keep redisplaying themselves.
*/
for (slavePtr = masterPtr->slavePtr; slavePtr != NULL;
@@ -1105,8 +1085,8 @@ MasterStructureProc(clientData, eventPtr)
*
* SlaveStructureProc --
*
- * This procedure is invoked by the Tk event handler when
- * StructureNotify events occur for a slave window.
+ * This function is invoked by the Tk event handler when StructureNotify
+ * events occur for a slave window.
*
* Results:
* None.
@@ -1118,10 +1098,10 @@ MasterStructureProc(clientData, eventPtr)
*/
static void
-SlaveStructureProc(clientData, eventPtr)
- ClientData clientData; /* Pointer to Slave structure for window
+SlaveStructureProc(
+ ClientData clientData, /* Pointer to Slave structure for window
* referred to by eventPtr. */
- XEvent *eventPtr; /* Describes what just happened. */
+ XEvent *eventPtr) /* Describes what just happened. */
{
register Slave *slavePtr = (Slave *) clientData;
TkDisplay * dispPtr = ((TkWindow *) slavePtr->tkwin)->dispPtr;
@@ -1141,25 +1121,24 @@ SlaveStructureProc(clientData, eventPtr)
*
* PlaceRequestProc --
*
- * This procedure is invoked by Tk whenever a slave managed by us
- * changes its requested geometry.
+ * This function is invoked by Tk whenever a slave managed by us changes
+ * its requested geometry.
*
* Results:
* None.
*
* Side effects:
- * The window will get relayed out, if its requested size has
- * anything to do with its actual size.
+ * The window will get relayed out, if its requested size has anything to
+ * do with its actual size.
*
*----------------------------------------------------------------------
*/
/* ARGSUSED */
static void
-PlaceRequestProc(clientData, tkwin)
- ClientData clientData; /* Pointer to our record for slave. */
- Tk_Window tkwin; /* Window that changed its desired
- * size. */
+PlaceRequestProc(
+ ClientData clientData, /* Pointer to our record for slave. */
+ Tk_Window tkwin) /* Window that changed its desired size. */
{
Slave *slavePtr = (Slave *) clientData;
Master *masterPtr;
@@ -1183,8 +1162,8 @@ PlaceRequestProc(clientData, tkwin)
*
* PlaceLostSlaveProc --
*
- * This procedure is invoked by Tk whenever some other geometry
- * claims control over a slave that used to be managed by us.
+ * This function is invoked by Tk whenever some other geometry claims
+ * control over a slave that used to be managed by us.
*
* Results:
* None.
@@ -1197,10 +1176,10 @@ PlaceRequestProc(clientData, tkwin)
/* ARGSUSED */
static void
-PlaceLostSlaveProc(clientData, tkwin)
- ClientData clientData; /* Slave structure for slave window that
- * was stolen away. */
- Tk_Window tkwin; /* Tk's handle for the slave window. */
+PlaceLostSlaveProc(
+ ClientData clientData, /* Slave structure for slave window that was
+ * stolen away. */
+ Tk_Window tkwin) /* Tk's handle for the slave window. */
{
register Slave *slavePtr = (Slave *) clientData;
TkDisplay * dispPtr = ((TkWindow *) slavePtr->tkwin)->dispPtr;
@@ -1210,9 +1189,17 @@ PlaceLostSlaveProc(clientData, tkwin)
}
Tk_UnmapWindow(tkwin);
UnlinkSlave(slavePtr);
- Tcl_DeleteHashEntry(Tcl_FindHashEntry(&dispPtr->slaveTable,
+ Tcl_DeleteHashEntry(Tcl_FindHashEntry(&dispPtr->slaveTable,
(char *) tkwin));
Tk_DeleteEventHandler(tkwin, StructureNotifyMask, SlaveStructureProc,
(ClientData) slavePtr);
FreeSlave(slavePtr);
}
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */