# 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
#endif // HAVE_SYS_WAIT_H
}
-#include <sstream>
+#include <string>
using std::string;
#include "i18n.hh"
shape.extensions = False;
#endif // SHAPE
+#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);
screenInfoList.reserve(ScreenCount(display));
for (int i = 0; i < ScreenCount(display); ++i)
screenInfoList.push_back(ScreenInfo(this, i));
-#ifndef NOCLOBBER
NumLockMask = ScrollLockMask = 0;
const XModifierKeymap* const modmap = XGetModifierMapping(display);
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 // NOCLOBBER
- NumLockMask = 0;
- ScrollLockMask = 0;
-#endif // NOCLOBBER
- gccache = 0;
+ gccache = (BGCCache *) 0;
}
/*
* 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 keyboard_mode, Window confine_to,
- Cursor cursor) const {
-#ifndef NOCLOBBER
- for (size_t cnt = 0; cnt < MaskListLength; ++cnt)
+ 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, keyboard_mode,
confine_to, cursor);
-#else // NOCLOBBER
- XGrabButton(display, button, modifiers, grab_window,
- owner_events, event_mask, pointer_mode, keyboard_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
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
}
}
-BGCCache *BaseDisplay::gcCache(void) const
-{
- if (! gccache) gccache = new BGCCache(this);
- return gccache;
+BGCCache* BaseDisplay::gcCache(void) const {
+ if (! gccache)
+ gccache = new BGCCache(this, screenInfoList.size());
+
+ return gccache;
}
screen_number = num;
root_window = RootWindow(basedisplay->getXDisplay(), screen_number);
- depth = DefaultDepth(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.
+ */
- // 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;
-
- vinfo_template.screen = screen_number;
- vinfo_template.c_class = TrueColor;
-
- visual = (Visual *) 0;
-
- vinfo_return = XGetVisualInfo(basedisplay->getXDisplay(),
- VisualScreenMask | VisualClassMask,
- &vinfo_template, &vinfo_nitems);
- if (vinfo_return && 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;
+ 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;
}
- XFree(vinfo_return);
- }
+ if (best != -1) {
+ depth = vinfo_return[best].depth;
+ visual = vinfo_return[best].visual;
+ colormap = XCreateColormap(basedisplay->getXDisplay(), root_window,
+ visual, AllocNone);
+ }
- if (visual) {
- colormap = XCreateColormap(basedisplay->getXDisplay(), root_window,
- visual, AllocNone);
- } else {
- visual = DefaultVisual(basedisplay->getXDisplay(), screen_number);
- colormap = DefaultColormap(basedisplay->getXDisplay(), screen_number);
+ XFree(vinfo_return);
}
// get the default display string and strip the screen number
if (pos != string::npos)
default_string.resize(pos);
- std::ostringstream formatter;
- formatter << "DISPLAY=" << default_string << '.' << screen_number;
- display_string = formatter.str();
+ 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