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add_window.c
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add_window.c
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/*
* Copyright 1988 by Evans & Sutherland Computer Corporation,
* Salt Lake City, Utah
* Portions Copyright 1989 by the Massachusetts Institute of Technology
* Cambridge, Massachusetts
*
* Copyright 1992 Claude Lecommandeur.
*/
/**********************************************************************
*
* $XConsortium: add_window.c,v 1.153 91/07/10 13:17:26 dave Exp $
*
* Add a new window, put the titlbar and other stuff around
* the window
*
* 31-Mar-88 Tom LaStrange Initial Version.
*
* Do the necessary modification to be integrated in ctwm.
* Can no longer be used for the standard twm.
*
* 22-April-92 Claude Lecommandeur.
*
**********************************************************************/
#include "ctwm.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <X11/Xatom.h>
#include <X11/extensions/shape.h>
#include "add_window.h"
#include "captive.h"
#include "colormaps.h"
#include "ctwm_atoms.h"
#include "functions.h"
#include "events.h"
#ifdef EWMH
# include "ewmh_atoms.h"
#endif
#include "gram.tab.h"
#include "icons.h"
#include "iconmgr.h"
#include "image.h"
#include "list.h"
#include "mwmhints.h"
#include "occupation.h"
#include "otp.h"
#include "parse.h"
#include "r_area.h"
#include "r_layout.h"
#include "screen.h"
#include "session.h"
#include "util.h"
#include "vscreen.h"
#include "windowbox.h"
#include "win_decorations.h"
#include "win_ops.h"
#include "win_regions.h"
#include "win_resize.h"
#include "win_utils.h"
#include "workspace_manager.h"
#include "xparsegeometry.h"
int AddingX;
int AddingY;
unsigned int AddingW;
unsigned int AddingH;
static int PlaceX = -1;
static int PlaceY = -1;
static void DealWithNonSensicalGeometries(Display *dpy, Window vroot,
TwmWindow *tmp_win);
char NoName[] = "Untitled"; /* name if no name is specified */
bool resizeWhenAdd;
/***********************************************************************
*
* Procedure:
* AddWindow - add a new window to the twm list
*
* Returned Value:
* (TwmWindow *) - pointer to the TwmWindow structure
*
* Inputs:
* w - the window id of the window to add
* wtype - flag to tell if this is a normal window or some ctwm
* internal one.
*
* iconp - pointer to icon manager struct
*
***********************************************************************
*/
TwmWindow *
AddWindow(Window w, AWType wtype, IconMgr *iconp, VirtualScreen *vs)
{
TwmWindow *tmp_win; /* new twm window structure */
bool ask_user; /* don't know where to put the window */
int gravx, gravy; /* gravity signs for positioning */
int namelen;
int bw2;
short restore_icon_x, restore_icon_y;
bool restore_iconified = false;
bool restore_icon_info_present = false;
bool restoredFromPrevSession = false;
int saved_occupation = 0; /* <== [ Matthew McNeill Feb 1997 ] == */
bool random_placed = false;
WindowBox *winbox;
Window vroot;
#ifdef DEBUG
fprintf(stderr, "AddWindow: w = 0x%x\n", w);
#endif
/*
* Possibly this window should be in a captive sub-ctwm? If so, we
* shouldn't mess with it at all.
*/
if(!CLarg.is_captive && RedirectToCaptive(w)) {
/* XXX x-ref comment by SetNoRedirect() */
return (NULL);
}
/*
* Allocate and initialize our tracking struct
*/
tmp_win = calloc(1, sizeof(TwmWindow));
if(tmp_win == NULL) {
fprintf(stderr, "%s: Unable to allocate memory to manage window ID %lx.\n",
ProgramName, w);
return NULL;
}
/*
* Some of these initializations are strictly unnecessary, since they
* evaluate out to 0, and calloc() gives us an already zero'd buffer.
* I'm leaving them anyway because a couple unnecessary stores are
* near enough to free considering everything we're doing, that the
* value as documentation stupendously outweighs the cost.
*/
tmp_win->w = w;
tmp_win->zoomed = ZOOM_NONE;
tmp_win->isiconmgr = (wtype == AWT_ICON_MANAGER);
tmp_win->iconmgrp = iconp;
tmp_win->iswspmgr = (wtype == AWT_WORKSPACE_MANAGER);
tmp_win->isoccupy = (wtype == AWT_OCCUPY);
tmp_win->iswinbox = (wtype == AWT_WINDOWBOX);
tmp_win->vs = vs;
tmp_win->parent_vs = vs;
tmp_win->savevs = NULL;
tmp_win->cmaps.number_cwins = 0;
tmp_win->savegeometry.width = -1;
tmp_win->widthEverChangedByUser = false;
tmp_win->heightEverChangedByUser = false;
tmp_win->nameChanged = false;
tmp_win->squeezed = false;
tmp_win->iconified = false;
tmp_win->isicon = false;
tmp_win->icon_on = false;
tmp_win->ring.cursor_valid = false;
tmp_win->squeeze_info = NULL;
tmp_win->squeeze_info_copied = false;
/*
* Fetch a few bits of info about the window from the server, and
* tell the server to tell us about property changes; we'll need to
* know what happens.
*
* It's important that these remain relatively disconnected "early"
* bits; generally, they shouldn't rely on anything but the X Window
* in tmp_win->w to do their stuff. e.g., anything that relies on
* other values in our ctwm TwmWindow tmp_win (window name, various
* flags, etc) has to come later.
*/
XSelectInput(dpy, tmp_win->w, PropertyChangeMask);
XGetWindowAttributes(dpy, tmp_win->w, &tmp_win->attr);
FetchWmProtocols(tmp_win);
FetchWmColormapWindows(tmp_win);
#ifdef EWMH
EwmhGetProperties(tmp_win);
#endif /* EWMH */
/*
* Some other simple early initialization that has to follow those
* bits.
*/
tmp_win->old_bw = tmp_win->attr.border_width;
/*
* Setup window name and class bits. A lot of following code starts
* to care about this; in particular, anything looking in our
* name_lists generally goes by the name/class, so we need to get
* these set pretty early in the process.
*/
tmp_win->names.ctwm_wm_name = GetWMPropertyString(tmp_win->w,
XA_CTWM_WM_NAME);
#ifdef EWMH
tmp_win->names.net_wm_name = GetWMPropertyString(tmp_win->w,
XA__NET_WM_NAME);
#endif
tmp_win->names.wm_name = GetWMPropertyString(tmp_win->w, XA_WM_NAME);
set_window_name(tmp_win);
namelen = strlen(tmp_win->name);
/* Setup class. x-ref XXX in ctwm_main() about NoClass */
tmp_win->class = NoClass;
XGetClassHint(dpy, tmp_win->w, &tmp_win->class);
if(tmp_win->class.res_name == NULL) {
tmp_win->class.res_name = NoName;
}
if(tmp_win->class.res_class == NULL) {
tmp_win->class.res_class = NoName;
}
/* Grab the icon name too */
tmp_win->names.ctwm_wm_icon_name = GetWMPropertyString(tmp_win->w,
XA_CTWM_WM_ICON_NAME);
#ifdef EWMH
tmp_win->names.net_wm_icon_name = GetWMPropertyString(tmp_win->w,
XA__NET_WM_ICON_NAME);
#endif
tmp_win->names.wm_icon_name = GetWMPropertyString(tmp_win->w,
XA_WM_ICON_NAME);
set_window_icon_name(tmp_win);
/* Convenience macro */
#define CHKL(lst) IsInList(Scr->lst, tmp_win)
/* Is it a transient? Or should we ignore that it is? */
tmp_win->istransient = XGetTransientForHint(dpy, tmp_win->w,
&tmp_win->transientfor);
if(tmp_win->istransient) {
/*
* XXX Should this be looking up transientfor instead of tmp_win?
* It seems like IgnoreTransient {} would list the windows that
* have transients we should ignore, while this condition makes
* it list the transient window names we should ignore. Probably
* not trivial to fix if that's right, since it might b0rk
* existing configs...
*/
if(CHKL(IgnoreTransientL)) {
tmp_win->istransient = false;
}
}
/*
* Look up saved X Session info for the window if we have it.
*/
{
short saved_x, saved_y;
unsigned short saved_width, saved_height;
bool width_ever_changed_by_user;
bool height_ever_changed_by_user;
if(GetWindowConfig(tmp_win,
&saved_x, &saved_y, &saved_width, &saved_height,
&restore_iconified, &restore_icon_info_present,
&restore_icon_x, &restore_icon_y,
&width_ever_changed_by_user,
&height_ever_changed_by_user,
&saved_occupation)) {
/* Got saved info, use it */
restoredFromPrevSession = true;
tmp_win->attr.x = saved_x;
tmp_win->attr.y = saved_y;
tmp_win->widthEverChangedByUser = width_ever_changed_by_user;
tmp_win->heightEverChangedByUser = height_ever_changed_by_user;
if(width_ever_changed_by_user) {
tmp_win->attr.width = saved_width;
}
if(height_ever_changed_by_user) {
tmp_win->attr.height = saved_height;
}
}
}
/*
* Clip window to maximum size (either built-in ceiling, or
* config MaxWindowSize).
*
* Should look at window gravity?
*/
if(tmp_win->attr.width > Scr->MaxWindowWidth) {
tmp_win->attr.width = Scr->MaxWindowWidth;
}
if(tmp_win->attr.height > Scr->MaxWindowHeight) {
tmp_win->attr.height = Scr->MaxWindowHeight;
}
/*
* Setup WM_HINTS bits. If we get nothing, we hardcode an
* assumption.
*/
tmp_win->wmhints = XGetWMHints(dpy, tmp_win->w);
if(!tmp_win->wmhints) {
tmp_win->wmhints = gen_synthetic_wmhints(tmp_win);
if(!tmp_win->wmhints) {
fprintf(stderr, "Failed allocating memory for hints!\n");
free(tmp_win); // XXX leaky
return NULL;
}
}
/*
* Override a few bits with saved stuff from previous session, if we
* have it.
*/
if(restore_iconified) {
tmp_win->wmhints->initial_state = IconicState;
tmp_win->wmhints->flags |= StateHint;
}
if(restore_icon_info_present) {
tmp_win->wmhints->icon_x = restore_icon_x;
tmp_win->wmhints->icon_y = restore_icon_y;
tmp_win->wmhints->flags |= IconPositionHint;
}
/* Munge as necessary for other stuff */
munge_wmhints(tmp_win, tmp_win->wmhints);
/*
* Various flags that may be screen-wide or window specific.
*/
tmp_win->highlight = Scr->Highlight && !CHKL(NoHighlight);
tmp_win->stackmode = Scr->StackMode && !CHKL(NoStackModeL);
tmp_win->titlehighlight = Scr->TitleHighlight && !CHKL(NoTitleHighlight);
tmp_win->AlwaysSqueezeToGravity = Scr->AlwaysSqueezeToGravity
|| CHKL(AlwaysSqueezeToGravityL);
tmp_win->DontSetInactive = CHKL(DontSetInactive);
tmp_win->AutoSqueeze = CHKL(AutoSqueeze);
tmp_win->StartSqueezed =
#ifdef EWMH
(tmp_win->ewmhFlags & EWMH_STATE_SHADED) ||
#endif /* EWMH */
CHKL(StartSqueezed);
tmp_win->auto_raise = Scr->AutoRaiseDefault || CHKL(AutoRaise);
if(tmp_win->auto_raise) {
Scr->NumAutoRaises++;
}
tmp_win->auto_lower = Scr->AutoLowerDefault || CHKL(AutoLower);
if(tmp_win->auto_lower) {
Scr->NumAutoLowers++;
}
tmp_win->OpaqueMove = Scr->DoOpaqueMove;
if(CHKL(OpaqueMoveList)) {
tmp_win->OpaqueMove = true;
}
else if(CHKL(NoOpaqueMoveList)) {
tmp_win->OpaqueMove = false;
}
tmp_win->OpaqueResize = Scr->DoOpaqueResize;
if(CHKL(OpaqueResizeList)) {
tmp_win->OpaqueResize = true;
}
else if(CHKL(NoOpaqueResizeList)) {
tmp_win->OpaqueResize = false;
}
/*
* If a window is listed in IconifyByUnmapping {}, we always iconify
* by unmapping. Else, if it's DontIconifyByUnmapping {} or is an
* icon manager, we don't i_b_u. Else, we go with the Scr-wide
* default.
*/
{
bool ibum = CHKL(IconifyByUn);
if(!ibum) {
if(tmp_win->isiconmgr || CHKL(DontIconify)) {
ibum = false; // redundant
}
else {
ibum = Scr->IconifyByUnmapping;
}
}
tmp_win->iconify_by_unmapping = ibum;
}
/*
* For transient windows or group members, we copy in UBMFA from its
* parent/leader/etc if we can find it. Otherwise, it's just whether
* it's in the config list.
*/
tmp_win->UnmapByMovingFarAway = CHKL(UnmapByMovingFarAway);
if(tmp_win->istransient || tmp_win->group) {
TwmWindow *t = NULL;
if(tmp_win->istransient) {
t = GetTwmWindow(tmp_win->transientfor);
}
if(!t && tmp_win->group) {
t = GetTwmWindow(tmp_win->group);
}
if(t) {
tmp_win->UnmapByMovingFarAway = t->UnmapByMovingFarAway;
}
}
/*
* Link it up into the window ring if we should. If it's in
* WindowRing {}, we should. Otherwise, we shouldn't unless
* WindowRingAll is set. If it is, we still exclude several special
* ctwm windows, stuff in WindowRingExclude {}, and some special EWMH
* settings.
*/
if(CHKL(WindowRingL) ||
(Scr->WindowRingAll && !tmp_win->iswspmgr
&& !tmp_win->isiconmgr
#ifdef EWMH
&& EwmhOnWindowRing(tmp_win)
#endif /* EWMH */
&& !CHKL(WindowRingExcludeL))) {
if(Scr->Ring) {
tmp_win->ring.next = Scr->Ring->ring.next;
if(Scr->Ring->ring.next->ring.prev) {
Scr->Ring->ring.next->ring.prev = tmp_win;
}
Scr->Ring->ring.next = tmp_win;
tmp_win->ring.prev = Scr->Ring;
}
else {
tmp_win->ring.next = tmp_win->ring.prev = Scr->Ring = tmp_win;
}
}
else {
tmp_win->ring.next = tmp_win->ring.prev = NULL;
}
/*
* Setup squeezing info. We don't bother unless the server has Shape
* available, and the window isn't in our DontSqueezeTitle list.
* Else, we do/not based on the SqueezeTitle setting. Note that
* "SqueezeTitle" being specified at all squeezes everything; its
* argument list lets you set specific squeeze params for specific
* windows, but other windows still get the default.
*
* Note that this does not have to be freed yet since it is coming
* from the screen list or from default_squeeze. Places that change
* it [re]set squeeze_info_copied, and then the destroy handler looks
* at that to determine whether to free squeeze_info.
*
* XXX Technically, the HasShape test is redundant, since the config
* file parsing would never set Scr->SqueezeTitle unless HasShape
* were true anyway...
*/
if(HasShape && Scr->SqueezeTitle && !CHKL(DontSqueezeTitleL)) {
tmp_win->squeeze_info = LookInListWin(Scr->SqueezeTitleL, tmp_win);
if(!tmp_win->squeeze_info) {
static SqueezeInfo default_squeeze = { SIJ_LEFT, 0, 0 };
tmp_win->squeeze_info = &default_squeeze;
}
}
/*
* Motif WM hints are used in setting up border and titlebar bits, so
* put them in a block here to scope the MWM var.
*/
{
MotifWmHints mwmHints;
bool have_title;
GetMWMHints(tmp_win->w, &mwmHints);
/*
* Figure border bits. These are all exclusive cases, so it
* winds up being first-match.
*
* - EWMH, MWM hints, and NoBorder{} can tell us to use none.
* - ThreeDBorderWidth means use it and no regular 2d frame_bw.
* - ClientBorderWidth tells us to use the XWindowAttributes
* border size rather than ours.
* - Else, our BorderWidth is the [2d] border size.
*
* X-ref comments in win_decorations.c:SetBorderCursor() about
* the somewhat differing treatment of 3d vs non-3d border widths
* and their effects on the window coordinates.
*/
tmp_win->frame_bw3D = Scr->ThreeDBorderWidth;
if(
#ifdef EWMH
!EwmhHasBorder(tmp_win) ||
#endif /* EWMH */
(mwm_has_border(&mwmHints) == 0) ||
CHKL(NoBorder)) {
tmp_win->frame_bw = 0;
tmp_win->frame_bw3D = 0;
}
else if(tmp_win->frame_bw3D != 0) {
tmp_win->frame_bw = 0;
}
else if(Scr->ClientBorderWidth) {
tmp_win->frame_bw = tmp_win->old_bw;
}
else {
tmp_win->frame_bw = Scr->BorderWidth;
}
bw2 = tmp_win->frame_bw * 2; // Used repeatedly later
/*
* Now, what about the titlebar?
*
* - Default to showing,
* - Then EWMH gets to say no in some special cases,
* - Then MWM can say yes/no (or refuse to say anything),
* - NoTitle (general setting) gets to override all of that,
* - Specific MakeTitle beats general NoTitle,
* - And specific NoTitle overrides MakeTitle.
*/
have_title = true;
#ifdef EWMH
have_title = EwmhHasTitle(tmp_win);
#endif /* EWMH */
if(mwm_sets_title(&mwmHints)) {
have_title = mwm_has_title(&mwmHints);
}
if(Scr->NoTitlebar) {
have_title = false;
}
if(CHKL(MakeTitle)) {
have_title = true;
}
if(CHKL(NoTitle)) {
have_title = false;
}
/*
* Now mark up how big to make it. title_height sets how tall
* the titlebar is, with magic treating 0 as "don't make a
* titlebar". We only care about adding frame_bw and never
* frame_bw3D, since the 3d case interprets all the inner
* coordinates differently (x-ref above x-ref).
*
* Transients may not be decorated regardless of the above
* figuring, so handle that here too.
*/
if(tmp_win->istransient && !Scr->DecorateTransients) {
tmp_win->title_height = 0;
}
else if(have_title) {
tmp_win->title_height = Scr->TitleHeight + tmp_win->frame_bw;
}
else {
tmp_win->title_height = 0;
}
}
#ifdef EWMH
/*
* Now that we know the title_height and the frame border width, we
* can set an EWMH property to tell the client how much we're adding
* around them.
*/
EwmhSet_NET_FRAME_EXTENTS(tmp_win);
#endif
/*
* Need the GetWindowAttributes() call and setting ->old_bw and
* ->frame_bw3D for some of the math in looking up the
* WM_NORMAL_HINTS bits, so now we can do that.
*/
GetWindowSizeHints(tmp_win);
/* Maybe we're ordering it to start off iconified? */
if(CHKL(StartIconified)) {
tmp_win->wmhints->initial_state = IconicState;
tmp_win->wmhints->flags |= StateHint;
}
/*
* Figure gravity bits. When restoring from a previous session, we
* always use NorthWest gravity.
*/
if(restoredFromPrevSession) {
gravx = gravy = -1;
}
else {
GetGravityOffsets(tmp_win, &gravx, &gravy);
}
/* So far that's the end of where we're using this */
#undef CHKL
/*
* Now we start getting more into the active bits of things. Start
* figuring out how we'll decide where to position it. ask_user is
* slightly misnamed, as it doesn't actually mean ask the user, but
* rather whether the user/WM gets to choose or whether the
* application does. That is, we only case about whether or not
* RandomPlacement if(ask_user==true) anyway. ask_user=false means
* we just go with what's in the window's XWindowAttributes bits.
*
* We don't even consider overriding the window if:
*
* - It's a transient, or
* - the WM_NORMAL_HINTS property gave us a user-specified position
* (USPosition), or
* - the hints gave us a a program-specific position (PPosition), and
* the UsePPosition config param specifies we should use it.
*
* x-ref ICCCM discussion of WM_NORMAL_HINTS for some details on the
* flags
* (https://www.x.org/releases/X11R7.7/doc/xorg-docs/icccm/icccm.html#Client_Properties)
*/
ask_user = true;
if(tmp_win->istransient) {
ask_user = false;
}
else if(tmp_win->hints.flags & USPosition) {
ask_user = false;
}
else if(tmp_win->hints.flags & PPosition) {
if(Scr->UsePPosition == PPOS_ON) {
ask_user = false;
}
else if(Scr->UsePPosition == PPOS_NON_ZERO
&& (tmp_win->attr.x != 0 || tmp_win->attr.y != 0)) {
ask_user = false;
}
}
/*
* Set the window occupation. If we pulled previous Session info,
* saved_occupation may have data from it that will be used;
* otherwise it's already zeroed and has no effect. X-ref XXX
* comment on SetupOccupation() for notes on order of application of
* various sources for occupation.
*
* Note that SetupOccupation() may update tmp_win->{parent_,}vs if
* needed to make the window visible in another vscreen. It may also
* set tmp_win->vs to NULL if it has no occupation in the current
* workspace.
*/
SetupOccupation(tmp_win, saved_occupation);
/* Does it go in a window box? */
winbox = findWindowBox(tmp_win);
/*
* Set some values for the frame size.
*
* These get redone down below when we create the frame, when they're
* actually useful. So why bother here? There is some code down in
* the block where we prompt for a window position that calls some
* functions that need plausible values in them. However, those code
* blocks calculate and set values themselves, so there shouldn't be
* any actual need for them here. Left #if'd out for the present in
* case something turns up; this should be GC'd at some point if
* nothing does.
*/
#if 0
tmp_win->frame_width = tmp_win->attr.width + 2 * tmp_win->frame_bw3D;
tmp_win->frame_height = tmp_win->attr.height + 2 * tmp_win->frame_bw3D +
tmp_win->title_height;
ConstrainSize(tmp_win, &tmp_win->frame_width, &tmp_win->frame_height);
#endif
/*
* See if there's a WindowRegion we should honor. If so, it'll set
* the X/Y coords, and we'll want to accept them instead of doing our
* own (or the user's) positioning.
*
* This needs the frame_{width,height}.
*/
if(PlaceWindowInRegion(tmp_win, &(tmp_win->attr.x), &(tmp_win->attr.y))) {
ask_user = false;
}
/*
* Maybe we have WindowGeometries {} set for it? If so, we'll take
* that as our specifics too.
*/
{
char *geom = LookInListWin(Scr->WindowGeometries, tmp_win);
if(geom) {
int mask = RLayoutXParseGeometry(Scr->Layout, geom,
&tmp_win->attr.x, &tmp_win->attr.y,
(unsigned int *) &tmp_win->attr.width,
(unsigned int *) &tmp_win->attr.height);
if(mask & XNegative) {
tmp_win->attr.x += Scr->rootw - tmp_win->attr.width;
}
if(mask & YNegative) {
tmp_win->attr.y += Scr->rooth - tmp_win->attr.height;
}
ask_user = false;
}
}
/* Figure up what root window we should be working in */
if(tmp_win->parent_vs) {
vroot = tmp_win->parent_vs->window;
}
else {
vroot = Scr->Root; /* never */
tmp_win->parent_vs = Scr->currentvs;
}
if(winbox) {
vroot = winbox->window;
}
/*
* Handle positioning of the window. If we're very early in startup
* (setting up ctwm's own windows, taking over windows already on the
* screen), or restoring defined session stuff, or otherwise
* ask_user=false'd above, we just take the already set position
* info. Otherwise, we handle it via RandomPlacement or user outline
* setting.
*
* XXX Somebody should go through these blocks in more detail,
* they're sure to need further cleaning and commenting. IWBNI they
* could be encapsulated well enough to move out into separate
* functions, for extra readability...
*/
if(HandlingEvents && ask_user && !restoredFromPrevSession) {
if((Scr->RandomPlacement == RP_ALL) ||
((Scr->RandomPlacement == RP_UNMAPPED) &&
((tmp_win->wmhints->initial_state == IconicState) ||
(! visible(tmp_win))))) {
/* just stick it somewhere */
#ifdef DEBUG
fprintf(stderr,
"DEBUG[RandomPlacement]: win: %dx%d+%d+%d, screen: %dx%d, title height: %d, random: +%d+%d\n",
tmp_win->attr.width, tmp_win->attr.height,
tmp_win->attr.x, tmp_win->attr.y,
Scr->rootw, Scr->rooth,
tmp_win->title_height,
PlaceX, PlaceY);
#endif
/* Initiallise PlaceX and PlaceY */
if(PlaceX < 0 && PlaceY < 0) {
if(Scr->RandomDisplacementX >= 0) {
PlaceX = Scr->BorderLeft + 5;
}
else {
PlaceX = Scr->rootw - tmp_win->attr.width - Scr->BorderRight - 5;
}
if(Scr->RandomDisplacementY >= 0) {
PlaceY = Scr->BorderTop + 5;
}
else
PlaceY = Scr->rooth - tmp_win->attr.height - tmp_win->title_height
- Scr->BorderBottom - 5;
}
/* For a positive horizontal displacement, if the right edge
of the window would fall outside of the screen, start over
by placing the left edge of the window 5 pixels inside
the left edge of the screen.*/
if(Scr->RandomDisplacementX >= 0
&& (PlaceX + tmp_win->attr.width
> Scr->rootw - Scr->BorderRight - 5)) {
PlaceX = Scr->BorderLeft + 5;
}
/* For a negative horizontal displacement, if the left edge
of the window would fall outside of the screen, start over
by placing the right edge of the window 5 pixels inside
the right edge of the screen.*/
if(Scr->RandomDisplacementX < 0 && PlaceX < Scr->BorderLeft + 5) {
PlaceX = Scr->rootw - tmp_win->attr.width - Scr->BorderRight - 5;
}
/* For a positive vertical displacement, if the bottom edge
of the window would fall outside of the screen, start over
by placing the top edge of the window 5 pixels inside the
top edge of the screen. Because we add the title height
further down, we need to count with it here as well. */
if(Scr->RandomDisplacementY >= 0
&& (PlaceY + tmp_win->attr.height + tmp_win->title_height
> Scr->rooth - Scr->BorderBottom - 5)) {
PlaceY = Scr->BorderTop + 5;
}
/* For a negative vertical displacement, if the top edge of
the window would fall outside of the screen, start over by
placing the bottom edge of the window 5 pixels inside the
bottom edge of the screen. Because we add the title height
further down, we need to count with it here as well. */
if(Scr->RandomDisplacementY < 0 && PlaceY < Scr->BorderTop + 5)
PlaceY = Scr->rooth - tmp_win->attr.height - tmp_win->title_height
- Scr->BorderBottom - 5;
/* Assign the current random placement to the new window, as
a preliminary measure. Add the title height so things will
look right. */
tmp_win->attr.x = PlaceX;
tmp_win->attr.y = PlaceY + tmp_win->title_height;
/* If the window is not supposed to move off the screen, check
that it's still within the screen, and if not, attempt to
correct the situation. */
if(Scr->DontMoveOff) {
int available;
#ifdef DEBUG
fprintf(stderr,
"DEBUG[DontMoveOff]: win: %dx%d+%d+%d, screen: %dx%d, bw2: %d, bw3D: %d\n",
tmp_win->attr.width, tmp_win->attr.height,
tmp_win->attr.x, tmp_win->attr.y,
Scr->rootw, Scr->rooth,
bw2, tmp_win->frame_bw3D);
#endif
/* If the right edge of the window is outside the right edge
of the screen, we need to move the window left. Note that
this can only happen with windows that are less than 50
pixels less wide than the screen. */
if((tmp_win->attr.x + tmp_win->attr.width) > Scr->rootw) {
available = Scr->rootw - tmp_win->attr.width
- 2 * (bw2 + tmp_win->frame_bw3D);
#ifdef DEBUG
fprintf(stderr, "DEBUG[DontMoveOff]: availableX: %d\n",
available);
#endif
/* If the window is wider than the screen or exactly the width
of the screen, the availability is exactly 0. The result
will be to have the window placed as much to the left as
possible. */
if(available <= 0) {
available = 0;
}
/* Place the window exactly between the left and right edge of
the screen when possible. If available was originally less
than zero, it means the window's left edge will be against
the screen's left edge, and the window's right edge will be
outside the screen. */
tmp_win->attr.x = available / 2;
}
/* If the bottom edge of the window is outside the bottom edge
of the screen, we need to move the window up. Note that
this can only happen with windows that are less than 50
pixels less tall than the screen. Don't forget to count
with the title height and the frame widths. */
if((tmp_win->attr.y + tmp_win->attr.height) > Scr->rooth) {
available = Scr->rooth - tmp_win->attr.height
- tmp_win->title_height - 2 * (bw2 + tmp_win->frame_bw3D);
#ifdef DEBUG
fprintf(stderr, "DEBUG[DontMoveOff]: availableY: %d\n",
available);
#endif
/* If the window is taller than the screen or exactly the
height of the screen, the availability is exactly 0.
The result will be to have the window placed as much to
the top as possible. */
if(available <= 0) {
available = 0;
}
/* Place the window exactly between the top and bottom edge of
the screen when possible. If available was originally less
than zero, it means the window's top edge will be against
the screen's top edge, and the window's bottom edge will be
outside the screen. Again, don't forget to add the title
height. */
tmp_win->attr.y = available / 2 + tmp_win->title_height;
}
#ifdef DEBUG
fprintf(stderr,
"DEBUG[DontMoveOff]: win: %dx%d+%d+%d, screen: %dx%d\n",
tmp_win->attr.width, tmp_win->attr.height,
tmp_win->attr.x, tmp_win->attr.y,
Scr->rootw, Scr->rooth);
#endif
}
/* We know that if the window's left edge has moved compared to
PlaceX, it will have moved to the left. If it was moved less
than 15 pixel either way, change the next "random position"
30 pixels down and right. */
if(PlaceX - tmp_win->attr.x < 15
|| PlaceY - (tmp_win->attr.y - tmp_win->title_height) < 15) {
PlaceX += Scr->RandomDisplacementX;
PlaceY += Scr->RandomDisplacementY;
}
random_placed = true;
}
else if(!(tmp_win->wmhints->flags & StateHint &&
tmp_win->wmhints->initial_state == IconicState)) {
/* else prompt */
bool firsttime = true;
int found = 0;
int width, height;
XEvent event;
/* better wait until all the mouse buttons have been
* released.
*/
while(1) {
unsigned int qpmask;
Window qproot;
int stat;
XUngrabServer(dpy);
XSync(dpy, 0);
XGrabServer(dpy);
qpmask = 0;
if(!XQueryPointer(dpy, Scr->Root, &qproot,
&JunkChild, &JunkX, &JunkY,
&AddingX, &AddingY, &qpmask)) {
qpmask = 0;
}
/* Clear out any but the Button bits */
qpmask &= (Button1Mask | Button2Mask | Button3Mask |
Button4Mask | Button5Mask);
/*
* watch out for changing screens
*/
if(firsttime) {
if(qproot != Scr->Root) {
int scrnum;
for(scrnum = 0; scrnum < NumScreens; scrnum++) {
if(qproot == RootWindow(dpy, scrnum)) {
break;
}
}
if(scrnum != NumScreens) {
PreviousScreen = scrnum;
}
}
if(Scr->currentvs) {
vroot = Scr->currentvs->window;
}
firsttime = false;
}
if(winbox) {
vroot = winbox->window;
}
/*
* wait for buttons to come up; yuck
*/
if(qpmask != 0) {
continue;
}
/*
* this will cause a warp to the indicated root
*/
stat = XGrabPointer(dpy, vroot, False,
ButtonPressMask | ButtonReleaseMask |