add screeninfo
This commit is contained in:
parent
7f111a94d0
commit
e5c5b4bf70
6 changed files with 243 additions and 7 deletions
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@ -3,8 +3,8 @@ exec_prefix=$(prefix)
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libdir=$(exec_prefix)/lib
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targets = libotk.so libotk.a
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sources = display.c
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headers = display.h
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sources = display.c screeninfo.c
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headers = display.h screeninfo.h
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CFLAGS+=-I/usr/gwar/include/python2.2
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@ -1,6 +1,8 @@
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// -*- mode: C; indent-tabs-mode: nil; -*-
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#include "../config.h"
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#include "display.h"
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#include "screeninfo.h"
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#include <X11/keysym.h>
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@ -118,7 +120,7 @@ line argument.\n\n"));
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// Get information on all the screens which are available.
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self->screenInfoList = PyList_New(ScreenCount(self->display));
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for (i = 0; i < ScreenCount(self->display); ++i)
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PyList_Append(self->screenInfoList, OtkScreenInfo_New(i));
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PyList_SetItem(self->screenInfoList, i, OtkScreenInfo_New(i));
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self->gccache = OtkGCCache_New(PyList_Size(self->screenInfoList));
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@ -5,10 +5,13 @@
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#include <X11/Xlib.h>
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#include <Python.h>
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typedef OtkScreenInfo;
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typedef OtkGCCache;
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struct OtkScreenInfo;
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struct OtkGCCache;
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struct OtkDisplay;
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typedef struct {
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struct OtkDisplay *OBDisplay; // the global display XXX: move this to app.h and ob.h?
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typedef struct OtkDisplay {
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PyObject_HEAD
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//! The X display
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@ -41,7 +44,7 @@ typedef struct {
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@see BImageControl
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@see BTexture
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*/
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OtkGCCache *gccache;
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struct OtkGCCache *gccache;
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} OtkDisplay;
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//! Creates a struct, opens the X display
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5
otk_c/rect.h
Normal file
5
otk_c/rect.h
Normal file
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@ -0,0 +1,5 @@
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typedef struct {
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int x, y, width, height;
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} OtkRect;
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PyObject *OtkRect_New(int x, int y, int width, int height);
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195
otk_c/screeninfo.c
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195
otk_c/screeninfo.c
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@ -0,0 +1,195 @@
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// -*- mode: C; indent-tabs-mode: nil; -*-
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#include "../config.h"
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#include "screeninfo.h"
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#include "display.h"
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#include "rect.h"
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#include <X11/Xutil.h>
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#include "../src/gettext.h"
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extern PyTypeObject OtkScreenInfo_Type;
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PyObject *OtkScreenInfo_New(int num)
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{
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OtkScreenInfo* self;
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char *dstr, *dstr2;
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int i;
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self = PyObject_New(OtkScreenInfo, &OtkScreenInfo_Type);
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self->screen = num;
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self->root_window = RootWindow(OBDisplay->display, self->screen);
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self->rect = OtkRect_New(0, 0,
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WidthOfScreen(ScreenOfDisplay(OBDisplay->display,
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self->screen)),
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HeightOfScreen(ScreenOfDisplay(OBDisplay->display,
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self->screen)));
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/*
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If the default depth is at least 8 we will use that,
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otherwise we try to find the largest TrueColor visual.
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Preference is given to 24 bit over larger depths if 24 bit is an option.
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*/
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self->depth = DefaultDepth(OBDisplay->display, self->screen);
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self->visual = DefaultVisual(OBDisplay->display, self->screen);
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self->colormap = DefaultColormap(OBDisplay->display, self->screen);
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if (self->depth < 8) {
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// search for a TrueColor Visual... if we can't find one...
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// we will use the default visual for the screen
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XVisualInfo vinfo_template, *vinfo_return;
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int vinfo_nitems;
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int best = -1;
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vinfo_template.screen = self->screen;
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vinfo_template.class = TrueColor;
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vinfo_return = XGetVisualInfo(OBDisplay->display,
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VisualScreenMask | VisualClassMask,
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&vinfo_template, &vinfo_nitems);
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if (vinfo_return) {
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int max_depth = 1;
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for (i = 0; i < vinfo_nitems; ++i) {
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if (vinfo_return[i].depth > max_depth) {
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if (max_depth == 24 && vinfo_return[i].depth > 24)
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break; // prefer 24 bit over 32
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max_depth = vinfo_return[i].depth;
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best = i;
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}
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}
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if (max_depth < self->depth) best = -1;
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}
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if (best != -1) {
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self->depth = vinfo_return[best].depth;
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self->visual = vinfo_return[best].visual;
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self->colormap = XCreateColormap(OBDisplay->display, self->root_window,
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self->visual, AllocNone);
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}
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XFree(vinfo_return);
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}
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// get the default display string and strip the screen number
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self->display_string =
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PyString_FromFormat("DISPLAY=%s",DisplayString(OBDisplay->display));
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dstr = PyString_AsString(self->display_string);
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dstr2 = strrchr(dstr, '.');
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if (dstr2) {
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PyObject *str;
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PyString_Resize(self->display_string, dstr2 - dstr);
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str = PyString_FromFormat(".%d", self->screen);
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PyString_Concat(&self->display_string, str);
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}
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#ifdef XINERAMA
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self->xinerama_active = False;
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if (OtkDisplay->hasXineramaExtensions()) {
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if (OtkDisplay->getXineramaMajorVersion() == 1) {
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// we know the version 1(.1?) protocol
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/*
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in this version of Xinerama, we can't query on a per-screen basis, but
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in future versions we should be able, so the 'activeness' is checked
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on a pre-screen basis anyways.
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*/
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if (XineramaIsActive(OBDisplay->display)) {
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/*
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If Xinerama is being used, there there is only going to be one screen
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present. We still, of course, want to use the screen class, but that
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is why no screen number is used in this function call. There should
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never be more than one screen present with Xinerama active.
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*/
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int num;
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XineramaScreenInfo *info = XineramaQueryScreens(OBDisplay->display,
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&num);
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if (num > 0 && info) {
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self->xinerama_areas = PyList_New(num);
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for (i = 0; i < num; ++i) {
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PyList_SetItem(self->xinerama_areas, i,
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OtkRect_New(info[i].x_org, info[i].y_org,
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info[i].width, info[i].height));
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}
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XFree(info);
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// if we can't find any xinerama regions, then we act as if it is not
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// active, even though it said it was
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self->xinerama_active = True;
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}
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}
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}
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}
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#endif // XINERAMA
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return (PyObject*)self;
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}
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static PyObject *otkscreeninfo_getscreen(OtkScreenInfo* self, PyObject* args)
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{
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if (!PyArg_ParseTuple(args, ":getScreen"))
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return NULL;
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return PyInt_FromLong(self->screen);
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}
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static PyObject *otkscreeninfo_getrect(OtkScreenInfo* self, PyObject* args)
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{
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if (!PyArg_ParseTuple(args, ":getRect"))
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return NULL;
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return self->rect;
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}
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static PyMethodDef get_methods[] = {
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{"getScreen", (PyCFunction)otkscreeninfo_getscreen, METH_VARARGS,
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"Get the screen number."},
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{"getRect", (PyCFunction)otkscreeninfo_getrect, METH_VARARGS,
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"Get the area taken up by the screen."},
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{NULL, NULL, 0, NULL}
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};
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static void otkscreeninfo_dealloc(PyObject* self)
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{
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PyObject_Del(((OtkScreenInfo*) self)->display_string);
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PyObject_Del(((OtkScreenInfo*) self)->rect);
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#ifdef XINERAMA
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PyObject_Del(((OtkScreenInfo*) self)->xinerama_areas);
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#endif
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PyObject_Del(self);
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}
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static PyObject *otkscreeninfo_getattr(PyObject *obj, char *name)
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{
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return Py_FindMethod(get_methods, obj, name);
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}
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PyTypeObject OtkScreenInfo_Type = {
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PyObject_HEAD_INIT(NULL)
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0,
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"OtkScreenInfo",
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sizeof(OtkScreenInfo),
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0,
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otkscreeninfo_dealloc, /*tp_dealloc*/
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0, /*tp_print*/
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otkscreeninfo_getattr, /*tp_getattr*/
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0, /*tp_setattr*/
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0, /*tp_compare*/
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0, /*tp_repr*/
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0, /*tp_as_number*/
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0, /*tp_as_sequence*/
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0, /*tp_as_mapping*/
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0, /*tp_hash */
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};
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31
otk_c/screeninfo.h
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31
otk_c/screeninfo.h
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// -*- mode: C; indent-tabs-mode: nil; -*-
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#ifndef __screeninfo_h
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#define __screeninfo_h
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#include <X11/Xlib.h>
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#include <Python.h>
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typedef struct OtkScreenInfo {
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int screen;
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Window root_window;
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int depth;
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Visual *visual;
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Colormap colormap;
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PyObject *display_string; // PyStringObject
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PyObject *rect; // OtkRect
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#ifdef XINERAMA
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PyObject *xinerama_areas; // PyListObject[OtkRect]
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Bool xinerama_active;
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#endif
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} OtkScreenInfo;
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//! Creates an OtkScreenInfo for a screen
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/*!
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@param num The number of the screen on the display for which to fill the
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struct with information. Must be a value >= 0.
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*/
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PyObject *OtkScreenInfo_New(int num);
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#endif // __screeninfo_h
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