-// BaseDisplay.cc for Openbox
-// Copyright (c) 2001 Sean 'Shaleh' Perry <shaleh@debian.org>
+// -*- mode: C++; indent-tabs-mode: nil; -*-
+// BaseDisplay.cc for Blackbox - an X11 Window manager
+// Copyright (c) 2001 - 2002 Sean 'Shaleh' Perry <shaleh@debian.org>
// Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
-// stupid macros needed to access some functions in version 2 of the GNU C
-// library
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif // _GNU_SOURCE
-
#ifdef HAVE_CONFIG_H
# include "../config.h"
#endif // HAVE_CONFIG_H
+extern "C" {
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
-#include <X11/cursorfont.h>
#include <X11/keysym.h>
#ifdef SHAPE
# include <X11/extensions/shape.h>
#endif // SHAPE
+#ifdef XINERAMA
+# include <X11/extensions/Xinerama.h>
+#endif // XINERAMA
+
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif // HAVE_FCNTL_H
# include <stdio.h>
#endif // HAVE_STDIO_H
-#ifdef STDC_HEADERS
+#ifdef HAVE_STDLIB_H
# include <stdlib.h>
+#endif // HAVE_STDLIB_H
+
+#ifdef HAVE_STRING_H
# include <string.h>
-#endif // STDC_HEADERS
+#endif // HAVE_STRING_H
#ifdef HAVE_UNISTD_H
# include <sys/types.h>
# include <sys/types.h>
# include <sys/wait.h>
#endif // HAVE_SYS_WAIT_H
+}
+
+#include <string>
+using std::string;
-#if defined(HAVE_PROCESS_H) && defined(__EMX__)
-# include <process.h>
-#endif // HAVE_PROCESS_H __EMX__
+#include "i18n.hh"
+#include "BaseDisplay.hh"
+#include "GCCache.hh"
+#include "Timer.hh"
+#include "Util.hh"
-#include "i18n.h"
-#include "BaseDisplay.h"
-#include "LinkedList.h"
-#include "Timer.h"
// X error handler to handle any and all X errors while the application is
// running
-static Bool internal_error = False;
-static Window last_bad_window = None;
+static bool internal_error = False;
BaseDisplay *base_display;
char errtxt[128];
XGetErrorText(d, e->error_code, errtxt, 128);
- fprintf(stderr, i18n->getMessage(BaseDisplaySet, BaseDisplayXError,
- "%s: X error: %s(%d) opcodes %d/%d\n resource 0x%lx\n"),
+ fprintf(stderr,
+ i18n(BaseDisplaySet, BaseDisplayXError,
+ "%s: X error: %s(%d) opcodes %d/%d\n resource 0x%lx\n"),
base_display->getApplicationName(), errtxt, e->error_code,
e->request_code, e->minor_code, e->resourceid);
+#else
+ // shutup gcc
+ (void) d;
+ (void) e;
#endif // DEBUG
- if (e->error_code == BadWindow) last_bad_window = e->resourceid;
if (internal_error) abort();
return(False);
return;
}
- fprintf(stderr, i18n->getMessage(BaseDisplaySet, BaseDisplaySignalCaught,
- "%s: signal %d caught\n"),
- base_display->getApplicationName(), sig);
+ fprintf(stderr, i18n(BaseDisplaySet, BaseDisplaySignalCaught,
+ "%s: signal %d caught\n"),
+ base_display->getApplicationName(), sig);
if (! base_display->isStartup() && ! re_enter) {
internal_error = True;
re_enter = 1;
- fprintf(stderr, i18n->getMessage(BaseDisplaySet, BaseDisplayShuttingDown,
- "shutting down\n"));
+ fprintf(stderr, i18n(BaseDisplaySet, BaseDisplayShuttingDown,
+ "shutting down\n"));
base_display->shutdown();
}
if (sig != SIGTERM && sig != SIGINT) {
- fprintf(stderr, i18n->getMessage(BaseDisplaySet, BaseDisplayAborting,
- "aborting... dumping core\n"));
+ fprintf(stderr, i18n(BaseDisplaySet, BaseDisplayAborting,
+ "aborting... dumping core\n"));
abort();
}
}
-// convenience functions
-#ifndef __EMX__
-void bexec(const char *command, char* displaystring) {
- if (! fork()) {
- setsid();
- putenv(displaystring);
- execl("/bin/sh", "/bin/sh", "-c", command, NULL);
- exit(0);
- }
-}
-#endif // !__EMX__
-
-char *bstrdup(const char *s) {
- const int l = strlen(s) + 1;
- char *n = new char[l];
- strncpy(n, s, l);
- return n;
-}
-
-BaseDisplay::BaseDisplay(char *app_name, char *dpy_name) {
+BaseDisplay::BaseDisplay(const char *app_name, const char *dpy_name) {
application_name = app_name;
- _startup = True;
- _shutdown = False;
- server_grabs = 0;
- last_bad_window = None;
+ run_state = STARTUP;
::base_display = this;
#endif // HAVE_SIGACTION
if (! (display = XOpenDisplay(dpy_name))) {
- fprintf(stderr, i18n->getMessage(BaseDisplaySet, BaseDisplayXConnectFail,
- "BaseDisplay::BaseDisplay: connection to X server failed.\n"));
+ fprintf(stderr,
+ i18n(BaseDisplaySet, BaseDisplayXConnectFail,
+ "BaseDisplay::BaseDisplay: connection to X server failed.\n"));
::exit(2);
} else if (fcntl(ConnectionNumber(display), F_SETFD, 1) == -1) {
fprintf(stderr,
- i18n->getMessage(BaseDisplaySet, BaseDisplayCloseOnExecFail,
- "BaseDisplay::BaseDisplay: couldn't mark display connection "
- "as close-on-exec\n"));
+ i18n(BaseDisplaySet, BaseDisplayCloseOnExecFail,
+ "BaseDisplay::BaseDisplay: couldn't mark display connection "
+ "as close-on-exec\n"));
::exit(2);
}
- number_of_screens = ScreenCount(display);
display_name = XDisplayName(dpy_name);
#ifdef SHAPE
shape.extensions = False;
#endif // SHAPE
- xa_wm_colormap_windows =
- XInternAtom(display, "WM_COLORMAP_WINDOWS", False);
- xa_wm_protocols = XInternAtom(display, "WM_PROTOCOLS", False);
- xa_wm_state = XInternAtom(display, "WM_STATE", False);
- xa_wm_change_state = XInternAtom(display, "WM_CHANGE_STATE", False);
- xa_wm_delete_window = XInternAtom(display, "WM_DELETE_WINDOW", False);
- xa_wm_take_focus = XInternAtom(display, "WM_TAKE_FOCUS", False);
- motif_wm_hints = XInternAtom(display, "_MOTIF_WM_HINTS", False);
-
- openbox_hints = XInternAtom(display, "_BLACKBOX_HINTS", False);
- openbox_attributes = XInternAtom(display, "_BLACKBOX_ATTRIBUTES", False);
- openbox_change_attributes =
- XInternAtom(display, "_BLACKBOX_CHANGE_ATTRIBUTES", False);
-
- openbox_structure_messages =
- XInternAtom(display, "_BLACKBOX_STRUCTURE_MESSAGES", False);
- openbox_notify_startup =
- XInternAtom(display, "_BLACKBOX_NOTIFY_STARTUP", False);
- openbox_notify_window_add =
- XInternAtom(display, "_BLACKBOX_NOTIFY_WINDOW_ADD", False);
- openbox_notify_window_del =
- XInternAtom(display, "_BLACKBOX_NOTIFY_WINDOW_DEL", False);
- openbox_notify_current_workspace =
- XInternAtom(display, "_BLACKBOX_NOTIFY_CURRENT_WORKSPACE", False);
- openbox_notify_workspace_count =
- XInternAtom(display, "_BLACKBOX_NOTIFY_WORKSPACE_COUNT", False);
- openbox_notify_window_focus =
- XInternAtom(display, "_BLACKBOX_NOTIFY_WINDOW_FOCUS", False);
- openbox_notify_window_raise =
- XInternAtom(display, "_BLACKBOX_NOTIFY_WINDOW_RAISE", False);
- openbox_notify_window_lower =
- XInternAtom(display, "_BLACKBOX_NOTIFY_WINDOW_LOWER", False);
-
- openbox_change_workspace =
- XInternAtom(display, "_BLACKBOX_CHANGE_WORKSPACE", False);
- openbox_change_window_focus =
- XInternAtom(display, "_BLACKBOX_CHANGE_WINDOW_FOCUS", False);
- openbox_cycle_window_focus =
- XInternAtom(display, "_BLACKBOX_CYCLE_WINDOW_FOCUS", False);
-
-#ifdef NEWWMSPEC
-
- net_supported = XInternAtom(display, "_NET_SUPPORTED", False);
- net_client_list = XInternAtom(display, "_NET_CLIENT_LIST", False);
- net_client_list_stacking = XInternAtom(display, "_NET_CLIENT_LIST_STACKING", False);
- net_number_of_desktops = XInternAtom(display, "_NET_NUMBER_OF_DESKTOPS", False);
- net_desktop_geometry = XInternAtom(display, "_NET_DESKTOP_GEOMETRY", False);
- net_desktop_viewport = XInternAtom(display, "_NET_DESKTOP_VIEWPORT", False);
- net_current_desktop = XInternAtom(display, "_NET_CURRENT_DESKTOP", False);
- net_desktop_names = XInternAtom(display, "_NET_DESKTOP_NAMES", False);
- net_active_window = XInternAtom(display, "_NET_ACTIVE_WINDOW", False);
- net_workarea = XInternAtom(display, "_NET_WORKAREA", False);
- net_supporting_wm_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
- net_virtual_roots = XInternAtom(display, "_NET_VIRTUAL_ROOTS", False);
-
- net_close_window = XInternAtom(display, "_NET_CLOSE_WINDOW", False);
- net_wm_moveresize = XInternAtom(display, "_NET_WM_MOVERESIZE", False);
-
- net_properties = XInternAtom(display, "_NET_PROPERTIES", False);
- net_wm_name = XInternAtom(display, "_NET_WM_NAME", False);
- net_wm_desktop = XInternAtom(display, "_NET_WM_DESKTOP", False);
- net_wm_window_type = XInternAtom(display, "_NET_WM_WINDOW_TYPE", False);
- net_wm_state = XInternAtom(display, "_NET_WM_STATE", False);
- net_wm_strut = XInternAtom(display, "_NET_WM_STRUT", False);
- net_wm_icon_geometry = XInternAtom(display, "_NET_WM_ICON_GEOMETRY", False);
- net_wm_icon = XInternAtom(display, "_NET_WM_ICON", False);
- net_wm_pid = XInternAtom(display, "_NET_WM_PID", False);
- net_wm_handled_icons = XInternAtom(display, "_NET_WM_HANDLED_ICONS", False);
-
- net_wm_ping = XInternAtom(display, "_NET_WM_PING", False);
-
-#endif // NEWWMSPEC
-
- cursor.session = XCreateFontCursor(display, XC_left_ptr);
- cursor.move = XCreateFontCursor(display, XC_fleur);
- cursor.ll_angle = XCreateFontCursor(display, XC_ll_angle);
- cursor.lr_angle = XCreateFontCursor(display, XC_lr_angle);
- cursor.ul_angle = XCreateFontCursor(display, XC_ul_angle);
- cursor.ur_angle = XCreateFontCursor(display, XC_ur_angle);
+#ifdef XINERAMA
+ if (XineramaQueryExtension(display, &xinerama.event_basep,
+ &xinerama.error_basep) &&
+ XineramaQueryVersion(display, &xinerama.major, &xinerama.minor)) {
+#ifdef DEBUG
+ fprintf(stderr,
+ "BaseDisplay::BaseDisplay: Found Xinerama version %d.%d\n",
+ xinerama.major, xinerama.minor);
+#endif // DEBUG
+ xinerama.extensions = True;
+ } else {
+ xinerama.extensions = False;
+ }
+#endif // XINERAMA
XSetErrorHandler((XErrorHandler) handleXErrors);
- timerList = new LinkedList<BTimer>;
+ screenInfoList.reserve(ScreenCount(display));
+ for (int i = 0; i < ScreenCount(display); ++i)
+ screenInfoList.push_back(ScreenInfo(this, i));
- screenInfoList = new LinkedList<ScreenInfo>;
- for (int i = 0; i < number_of_screens; i++) {
- ScreenInfo *screeninfo = new ScreenInfo(*this, i);
- screenInfoList->insert(screeninfo);
- }
-
-#ifndef NOCLOBBER
NumLockMask = ScrollLockMask = 0;
const XModifierKeymap* const modmap = XGetModifierMapping(display);
// get the values of the keyboard lock modifiers
// Note: Caps lock is not retrieved the same way as Scroll and Num lock
// since it doesn't need to be.
- const KeyCode num_lock_code = XKeysymToKeycode(display, XK_Num_Lock);
- const KeyCode scroll_lock_code = XKeysymToKeycode(display, XK_Scroll_Lock);
-
+ const KeyCode num_lock = XKeysymToKeycode(display, XK_Num_Lock);
+ const KeyCode scroll_lock = XKeysymToKeycode(display, XK_Scroll_Lock);
+
for (size_t cnt = 0; cnt < size; ++cnt) {
if (! modmap->modifiermap[cnt]) continue;
- if (num_lock_code == modmap->modifiermap[cnt])
- NumLockMask = mask_table[cnt / modmap->max_keypermod];
- if (scroll_lock_code == modmap->modifiermap[cnt])
- ScrollLockMask = mask_table[cnt / modmap->max_keypermod];
+ if (num_lock == modmap->modifiermap[cnt])
+ NumLockMask = mask_table[cnt / modmap->max_keypermod];
+ if (scroll_lock == modmap->modifiermap[cnt])
+ ScrollLockMask = mask_table[cnt / modmap->max_keypermod];
}
}
MaskList[0] = 0;
MaskList[1] = LockMask;
MaskList[2] = NumLockMask;
- MaskList[3] = ScrollLockMask;
- MaskList[4] = LockMask | NumLockMask;
- MaskList[5] = NumLockMask | ScrollLockMask;
- MaskList[6] = LockMask | ScrollLockMask;
- MaskList[7] = LockMask | NumLockMask | ScrollLockMask;
+ MaskList[3] = LockMask | NumLockMask;
+ MaskList[4] = ScrollLockMask;
+ MaskList[5] = ScrollLockMask | LockMask;
+ MaskList[6] = ScrollLockMask | NumLockMask;
+ MaskList[7] = ScrollLockMask | LockMask | NumLockMask;
MaskListLength = sizeof(MaskList) / sizeof(MaskList[0]);
-
+
if (modmap) XFreeModifiermap(const_cast<XModifierKeymap*>(modmap));
-#else
- NumLockMask = Mod2Mask;
- ScrollLockMask = Mod5Mask;
-#endif // NOCLOBBER
+
+ gccache = (BGCCache *) 0;
}
BaseDisplay::~BaseDisplay(void) {
- while (screenInfoList->count()) {
- ScreenInfo *si = screenInfoList->first();
-
- screenInfoList->remove(si);
- delete si;
- }
-
- delete screenInfoList;
-
- // we don't create the BTimers, we don't delete them
- while (timerList->count())
- timerList->remove(0);
-
- delete timerList;
+ delete gccache;
XCloseDisplay(display);
}
void BaseDisplay::eventLoop(void) {
run();
- int xfd = ConnectionNumber(display);
+ const int xfd = ConnectionNumber(display);
- while ((! _shutdown) && (! internal_error)) {
+ while (run_state == RUNNING && ! internal_error) {
if (XPending(display)) {
XEvent e;
XNextEvent(display, &e);
-
- if (last_bad_window != None && e.xany.window == last_bad_window) {
-#ifdef DEBUG
- fprintf(stderr, i18n->getMessage(BaseDisplaySet,
- BaseDisplayBadWindowRemove,
- "BaseDisplay::eventLoop(): removing bad window "
- "from event queue\n"));
-#endif // DEBUG
- } else {
- last_bad_window = None;
- process_event(&e);
- }
+ process_event(&e);
} else {
fd_set rfds;
timeval now, tm, *timeout = (timeval *) 0;
FD_ZERO(&rfds);
FD_SET(xfd, &rfds);
- if (timerList->count()) {
- gettimeofday(&now, 0);
-
- tm.tv_sec = tm.tv_usec = 0l;
+ if (! timerList.empty()) {
+ const BTimer* const timer = timerList.top();
- BTimer *timer = timerList->first();
-
- tm.tv_sec = timer->getStartTime().tv_sec +
- timer->getTimeout().tv_sec - now.tv_sec;
- tm.tv_usec = timer->getStartTime().tv_usec +
- timer->getTimeout().tv_usec - now.tv_usec;
-
- while (tm.tv_usec >= 1000000) {
- tm.tv_sec++;
- tm.tv_usec -= 1000000;
- }
-
- while (tm.tv_usec < 0) {
- if (tm.tv_sec > 0) {
- tm.tv_sec--;
- tm.tv_usec += 1000000;
- } else {
- tm.tv_usec = 0;
- break;
- }
- }
+ gettimeofday(&now, 0);
+ tm = timer->timeRemaining(now);
timeout = &tm;
}
// check for timer timeout
gettimeofday(&now, 0);
- LinkedListIterator<BTimer> it(timerList);
- for(BTimer *timer = it.current(); timer; it++, timer = it.current()) {
- tm.tv_sec = timer->getStartTime().tv_sec +
- timer->getTimeout().tv_sec;
- tm.tv_usec = timer->getStartTime().tv_usec +
- timer->getTimeout().tv_usec;
-
- if ((now.tv_sec < tm.tv_sec) ||
- (now.tv_sec == tm.tv_sec && now.tv_usec < tm.tv_usec))
+ // there is a small chance for deadlock here:
+ // *IF* the timer list keeps getting refreshed *AND* the time between
+ // timer->start() and timer->shouldFire() is within the timer's period
+ // then the timer will keep firing. This should be VERY near impossible.
+ while (! timerList.empty()) {
+ BTimer *timer = timerList.top();
+ if (! timer->shouldFire(now))
break;
- timer->fireTimeout();
+ timerList.pop();
- // restart the current timer so that the start time is updated
- if (! timer->doOnce()) timer->start();
- else timer->stop();
+ timer->fireTimeout();
+ timer->halt();
+ if (timer->isRecurring())
+ timer->start();
}
}
}
}
-const Bool BaseDisplay::validateWindow(Window window) {
- XEvent event;
- if (XCheckTypedWindowEvent(display, window, DestroyNotify, &event)) {
- XPutBackEvent(display, &event);
-
- return False;
- }
-
- return True;
-}
-
-
-void BaseDisplay::grab(void) {
- if (! server_grabs++)
- XGrabServer(display);
-}
-
-
-void BaseDisplay::ungrab(void) {
- if (! --server_grabs)
- XUngrabServer(display);
-
- if (server_grabs < 0) server_grabs = 0;
-}
-
-
void BaseDisplay::addTimer(BTimer *timer) {
if (! timer) return;
- LinkedListIterator<BTimer> it(timerList);
- int index = 0;
- for (BTimer *tmp = it.current(); tmp; it++, index++, tmp = it.current())
- if ((tmp->getTimeout().tv_sec > timer->getTimeout().tv_sec) ||
- ((tmp->getTimeout().tv_sec == timer->getTimeout().tv_sec) &&
- (tmp->getTimeout().tv_usec >= timer->getTimeout().tv_usec)))
- break;
-
- timerList->insert(timer, index);
+ timerList.push(timer);
}
void BaseDisplay::removeTimer(BTimer *timer) {
- timerList->remove(timer);
+ timerList.release(timer);
}
/*
- * Grabs a button, but also grabs the button in every possible combination with
- * the keyboard lock keys, so that they do not cancel out the event.
+ * Grabs a button, but also grabs the button in every possible combination
+ * with the keyboard lock keys, so that they do not cancel out the event.
+
+ * if allow_scroll_lock is true then only the top half of the lock mask
+ * table is used and scroll lock is ignored. This value defaults to false.
*/
void BaseDisplay::grabButton(unsigned int button, unsigned int modifiers,
- Window grab_window, Bool owner_events,
- unsigned int event_mask, int pointer_mode,
- int keybaord_mode, Window confine_to,
- Cursor cursor) const
-{
-#ifndef NOCLOBBER
- for (size_t cnt = 0; cnt < MaskListLength; ++cnt)
+ Window grab_window, bool owner_events,
+ unsigned int event_mask, int pointer_mode,
+ int keyboard_mode, Window confine_to,
+ Cursor cursor, bool allow_scroll_lock) const {
+ unsigned int length = (allow_scroll_lock) ? MaskListLength / 2:
+ MaskListLength;
+ for (size_t cnt = 0; cnt < length; ++cnt)
XGrabButton(display, button, modifiers | MaskList[cnt], grab_window,
- owner_events, event_mask, pointer_mode, keybaord_mode,
+ owner_events, event_mask, pointer_mode, keyboard_mode,
confine_to, cursor);
-#else // NOCLOBBER
- XGrabButton(display, button, modifiers, grab_window,
- owner_events, event_mask, pointer_mode, keybaord_mode,
- confine_to, cursor);
-#endif // NOCLOBBER
}
+
/*
* Releases the grab on a button, and ungrabs all possible combinations of the
* keyboard lock keys.
*/
void BaseDisplay::ungrabButton(unsigned int button, unsigned int modifiers,
- Window grab_window) const {
-#ifndef NOCLOBBER
+ Window grab_window) const {
for (size_t cnt = 0; cnt < MaskListLength; ++cnt)
XUngrabButton(display, button, modifiers | MaskList[cnt], grab_window);
-#else // NOCLOBBER
- XUngrabButton(display, button, modifiers, grab_window);
-#endif // NOCLOBBER
}
-ScreenInfo::ScreenInfo(BaseDisplay &d, int num) : basedisplay(d) {
- screen_number = num;
-
- root_window = RootWindow(basedisplay.getXDisplay(), screen_number);
- depth = DefaultDepth(basedisplay.getXDisplay(), screen_number);
+const ScreenInfo* BaseDisplay::getScreenInfo(unsigned int s) const {
+ if (s < screenInfoList.size())
+ return &screenInfoList[s];
+ return (const ScreenInfo*) 0;
+}
- width =
- WidthOfScreen(ScreenOfDisplay(basedisplay.getXDisplay(), screen_number));
- height =
- HeightOfScreen(ScreenOfDisplay(basedisplay.getXDisplay(), screen_number));
- // search for a TrueColor Visual... if we can't find one... we will use the
- // default visual for the screen
- XVisualInfo vinfo_template, *vinfo_return;
- int vinfo_nitems;
+BGCCache* BaseDisplay::gcCache(void) const {
+ if (! gccache)
+ gccache = new BGCCache(this, screenInfoList.size());
+
+ return gccache;
+}
- vinfo_template.screen = screen_number;
- vinfo_template.c_class = TrueColor;
- visual = (Visual *) 0;
+ScreenInfo::ScreenInfo(BaseDisplay *d, unsigned int num) {
+ basedisplay = d;
+ screen_number = num;
- if ((vinfo_return = XGetVisualInfo(basedisplay.getXDisplay(),
- VisualScreenMask | VisualClassMask,
- &vinfo_template, &vinfo_nitems)) &&
- vinfo_nitems > 0) {
- for (int i = 0; i < vinfo_nitems; i++) {
- if (depth < (vinfo_return + i)->depth) {
- depth = (vinfo_return + i)->depth;
- visual = (vinfo_return + i)->visual;
+ root_window = RootWindow(basedisplay->getXDisplay(), screen_number);
+
+ rect.setSize(WidthOfScreen(ScreenOfDisplay(basedisplay->getXDisplay(),
+ screen_number)),
+ HeightOfScreen(ScreenOfDisplay(basedisplay->getXDisplay(),
+ screen_number)));
+ /*
+ If the default depth is at least 8 we will use that,
+ otherwise we try to find the largest TrueColor visual.
+ Preference is given to 24 bit over larger depths if 24 bit is an option.
+ */
+
+ depth = DefaultDepth(basedisplay->getXDisplay(), screen_number);
+ visual = DefaultVisual(basedisplay->getXDisplay(), screen_number);
+ colormap = DefaultColormap(basedisplay->getXDisplay(), screen_number);
+
+ if (depth < 8) {
+ // search for a TrueColor Visual... if we can't find one...
+ // we will use the default visual for the screen
+ XVisualInfo vinfo_template, *vinfo_return;
+ int vinfo_nitems;
+ int best = -1;
+
+ vinfo_template.screen = screen_number;
+ vinfo_template.c_class = TrueColor;
+
+ vinfo_return = XGetVisualInfo(basedisplay->getXDisplay(),
+ VisualScreenMask | VisualClassMask,
+ &vinfo_template, &vinfo_nitems);
+ if (vinfo_return) {
+ int max_depth = 1;
+ for (int i = 0; i < vinfo_nitems; ++i) {
+ if (vinfo_return[i].depth > max_depth) {
+ if (max_depth == 24 && vinfo_return[i].depth > 24)
+ break; // prefer 24 bit over 32
+ max_depth = vinfo_return[i].depth;
+ best = i;
+ }
}
+ if (max_depth < depth) best = -1;
+ }
+
+ if (best != -1) {
+ depth = vinfo_return[best].depth;
+ visual = vinfo_return[best].visual;
+ colormap = XCreateColormap(basedisplay->getXDisplay(), root_window,
+ visual, AllocNone);
}
XFree(vinfo_return);
}
- if (visual) {
- colormap = XCreateColormap(basedisplay.getXDisplay(), root_window,
- visual, AllocNone);
- } else {
- visual = DefaultVisual(basedisplay.getXDisplay(), screen_number);
- colormap = DefaultColormap(basedisplay.getXDisplay(), screen_number);
+ // get the default display string and strip the screen number
+ string default_string = DisplayString(basedisplay->getXDisplay());
+ const string::size_type pos = default_string.rfind(".");
+ if (pos != string::npos)
+ default_string.resize(pos);
+
+ display_string = string("DISPLAY=") + default_string + '.' +
+ itostring(static_cast<unsigned long>(screen_number));
+
+#ifdef XINERAMA
+ xinerama_active = False;
+
+ if (d->hasXineramaExtensions()) {
+ if (d->getXineramaMajorVersion() == 1) {
+ // we know the version 1(.1?) protocol
+
+ /*
+ in this version of Xinerama, we can't query on a per-screen basis, but
+ in future versions we should be able, so the 'activeness' is checked
+ on a pre-screen basis anyways.
+ */
+ if (XineramaIsActive(d->getXDisplay())) {
+ /*
+ If Xinerama is being used, there there is only going to be one screen
+ present. We still, of course, want to use the screen class, but that
+ is why no screen number is used in this function call. There should
+ never be more than one screen present with Xinerama active.
+ */
+ int num;
+ XineramaScreenInfo *info = XineramaQueryScreens(d->getXDisplay(), &num);
+ if (num > 0 && info) {
+ xinerama_areas.reserve(num);
+ for (int i = 0; i < num; ++i) {
+ xinerama_areas.push_back(Rect(info[i].x_org, info[i].y_org,
+ info[i].width, info[i].height));
+ }
+ XFree(info);
+
+ // if we can't find any xinerama regions, then we act as if it is not
+ // active, even though it said it was
+ xinerama_active = True;
+ }
+ }
+ }
}
+#endif // XINERAMA
}
projects / chaz / openbox / blobdiff