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Cleanup of basic XIM support.

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Shortened and simplified the code.  Removed reporting of XIM sentinel
key press event.  Added credit.  Updated changelog.

Closes #151.
This commit is contained in:
Camilla Berglund
2014-09-21 02:13:41 +02:00
parent cec63f3cb5
commit c769061a8a
4 changed files with 89 additions and 116 deletions
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src/x11_init.c
+39 -42
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@@ -329,6 +329,30 @@ static void updateKeyCodeLUT(void)
}
}
// Check whether the IM has a usable style
//
static GLboolean hasUsableInputMethodStyle(void)
{
unsigned int i;
GLboolean found = GL_FALSE;
XIMStyles* styles = NULL;
if (XGetIMValues(_glfw.x11.im, XNQueryInputStyle, &styles, NULL) != NULL)
return GL_FALSE;
for (i = 0; i < styles->count_styles; i++)
{
if (styles->supported_styles[i] == (XIMPreeditNothing | XIMStatusNothing))
{
found = GL_TRUE;
break;
}
}
XFree(styles);
return found;
}
// Check whether the specified atom is supported
//
static Atom getSupportedAtom(Atom* supportedAtoms,
@@ -449,9 +473,6 @@ static void detectEWMH(void)
//
static GLboolean initExtensions(void)
{
unsigned int u;
XIMStyles * styles = NULL;
// Find or create window manager atoms
_glfw.x11.WM_PROTOCOLS = XInternAtom(_glfw.x11.display,
"WM_PROTOCOLS",
@@ -582,43 +603,6 @@ static GLboolean initExtensions(void)
_glfw.x11.SAVE_TARGETS =
XInternAtom(_glfw.x11.display, "SAVE_TARGETS", False);
// ------------------------------------------------------------------------
// Optional extensions (function returns always true from here!)
// Open input method
if (!XSupportsLocale())
return GL_TRUE;
XSetLocaleModifiers("");
_glfw.x11.im = XOpenIM(_glfw.x11.display, 0, 0, 0);
if (!_glfw.x11.im)
return GL_TRUE;
// Get available input styles
if (XGetIMValues(_glfw.x11.im, XNQueryInputStyle, &styles, NULL) || !styles)
{
XCloseIM(_glfw.x11.im);
_glfw.x11.im = NULL;
return GL_TRUE;
}
// Search for needed input style
for (u = 0; u < styles->count_styles; u++)
{
if (styles->supported_styles[u] == (XIMPreeditNothing | XIMStatusNothing))
break;
}
if (u >= styles->count_styles)
{
XFree(styles);
XCloseIM(_glfw.x11.im);
_glfw.x11.im = NULL;
return GL_TRUE;
}
XFree(styles);
// Find Xdnd (drag and drop) atoms, if available
_glfw.x11.XdndAware = XInternAtom(_glfw.x11.display, "XdndAware", True);
_glfw.x11.XdndEnter = XInternAtom(_glfw.x11.display, "XdndEnter", True);
@@ -726,8 +710,6 @@ int _glfwPlatformInit(void)
{
XInitThreads();
_glfw.x11.im = NULL;
_glfw.x11.display = XOpenDisplay(NULL);
if (!_glfw.x11.display)
{
@@ -744,6 +726,21 @@ int _glfwPlatformInit(void)
_glfw.x11.cursor = createNULLCursor();
if (XSupportsLocale())
{
XSetLocaleModifiers("");
_glfw.x11.im = XOpenIM(_glfw.x11.display, 0, 0, 0);
if (_glfw.x11.im)
{
if (!hasUsableInputMethodStyle())
{
XCloseIM(_glfw.x11.im);
_glfw.x11.im = NULL;
}
}
}
if (!_glfwInitContextAPI())
return GL_FALSE;