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Made invisible cursor object shared by windows.

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This commit is contained in:
Camilla Berglund 2010-09-11 15:39:21 +02:00
parent 93979781af
commit 93bfa847ff
3 changed files with 40 additions and 41 deletions
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2
src/x11/platform.h
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@ -208,7 +208,6 @@ typedef struct _GLFWwindowX11
Atom wmState; // _NET_WM_STATE atom
Atom wmStateFullscreen; // _NET_WM_STATE_FULLSCREEN atom
Atom wmActiveWindow; // _NET_ACTIVE_WINDOW atom
Cursor cursor; // Invisible cursor for hidden cursor
// Various platform specific internal variables
GLboolean hasEWMH; // True if window manager supports EWMH
@ -230,6 +229,7 @@ typedef struct _GLFWlibraryX11
Display* display;
int screen;
Window root;
Cursor cursor; // Invisible cursor for hidden cursor
// Server-side GLX version
int glxMajor, glxMinor;

38
src/x11/x11_init.c
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@ -139,12 +139,48 @@ static GLboolean initDisplay(void)
}
//========================================================================
// Create a blank cursor (for locked mouse mode)
//========================================================================
static Cursor createNULLCursor(void)
{
Pixmap cursormask;
XGCValues xgc;
GC gc;
XColor col;
Cursor cursor;
// TODO: Add error checks
cursormask = XCreatePixmap(_glfwLibrary.X11.display, _glfwLibrary.X11.root, 1, 1, 1);
xgc.function = GXclear;
gc = XCreateGC(_glfwLibrary.X11.display, cursormask, GCFunction, &xgc);
XFillRectangle(_glfwLibrary.X11.display, cursormask, gc, 0, 0, 1, 1);
col.pixel = 0;
col.red = 0;
col.flags = 4;
cursor = XCreatePixmapCursor(_glfwLibrary.X11.display, cursormask, cursormask,
&col, &col, 0, 0);
XFreePixmap(_glfwLibrary.X11.display, cursormask);
XFreeGC(_glfwLibrary.X11.display, gc);
return cursor;
}
//========================================================================
// Terminate X11 display
//========================================================================
static void terminateDisplay(void)
{
if (_glfwLibrary.X11.cursor)
{
XFreeCursor(_glfwLibrary.X11.display, _glfwLibrary.X11.cursor);
_glfwLibrary.X11.cursor = (Cursor) 0;
}
if (_glfwLibrary.X11.display)
{
XCloseDisplay(_glfwLibrary.X11.display);
@ -166,6 +202,8 @@ int _glfwPlatformInit(void)
if (!initDisplay())
return GL_FALSE;
_glfwLibrary.X11.cursor = createNULLCursor();
// Try to load libGL.so if necessary
initLibraries();

41
src/x11/x11_window.c
View File

@ -347,36 +347,6 @@ static int translateChar(XKeyEvent* event)
}
//========================================================================
// Create a blank cursor (for locked mouse mode)
//========================================================================
static Cursor createNULLCursor(Display* display, Window root)
{
Pixmap cursormask;
XGCValues xgc;
GC gc;
XColor col;
Cursor cursor;
// TODO: Add error checks
cursormask = XCreatePixmap(display, root, 1, 1, 1);
xgc.function = GXclear;
gc = XCreateGC(display, cursormask, GCFunction, &xgc);
XFillRectangle(display, cursormask, gc, 0, 0, 1, 1);
col.pixel = 0;
col.red = 0;
col.flags = 4;
cursor = XCreatePixmapCursor(display, cursormask, cursormask,
&col,&col, 0,0);
XFreePixmap(display, cursormask);
XFreeGC(display, gc);
return cursor;
}
//========================================================================
// Returns the specified attribute of the specified GLXFBConfig
// NOTE: Do not call this unless we have found GLX 1.3+ or GLX_SGIX_fbconfig
@ -1409,9 +1379,6 @@ int _glfwPlatformOpenWindow(_GLFWwindow* window,
window->refreshRate = wndconfig->refreshRate;
window->windowNoResize = wndconfig->windowNoResize;
// Create the invisible cursor for hidden cursor mode
window->X11.cursor = createNULLCursor(_glfwLibrary.X11.display, _glfwLibrary.X11.root);
initGLXExtensions(window);
// Choose the best available fbconfig
@ -1534,12 +1501,6 @@ void _glfwPlatformCloseWindow(_GLFWwindow* window)
XFreeColormap(_glfwLibrary.X11.display, window->X11.colormap);
window->X11.colormap = (Colormap) 0;
}
if (window->X11.cursor)
{
XFreeCursor(_glfwLibrary.X11.display, window->X11.cursor);
window->X11.cursor = (Cursor) 0;
}
}
@ -1838,7 +1799,7 @@ void _glfwPlatformHideMouseCursor(_GLFWwindow* window)
// Hide cursor
if (!window->X11.pointerHidden)
{
XDefineCursor(_glfwLibrary.X11.display, window->X11.handle, window->X11.cursor);
XDefineCursor(_glfwLibrary.X11.display, window->X11.handle, _glfwLibrary.X11.cursor);
window->X11.pointerHidden = GL_TRUE;
}