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add interface in obt to create an Input Context for a window

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This commit is contained in:
Dana Jansens 2010-02-11 11:27:36 -05:00
parent 6e280e9f53
commit 8f1ea42bb1
2 changed files with 45 additions and 0 deletions
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38
obt/keyboard.c
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@ -22,6 +22,12 @@
#include <X11/Xlib.h> #include <X11/Xlib.h>
#include <X11/keysym.h> #include <X11/keysym.h>
struct _ObtIC
{
guint ref;
XIC xic;
};
/* These masks are constants and the modifier keys are bound to them as /* These masks are constants and the modifier keys are bound to them as
anyone sees fit: anyone sees fit:
ShiftMask (1<<0), LockMask (1<<1), ControlMask (1<<2), Mod1Mask (1<<3), ShiftMask (1<<0), LockMask (1<<1), ControlMask (1<<2), Mod1Mask (1<<3),
@ -291,3 +297,35 @@ gunichar obt_keyboard_keycode_to_unichar(guint keycode)
g_free(key); g_free(key);
return unikey; return unikey;
} }
ObtIC* obt_keyboard_context_new(Window w)
{
ObtIC *ic = NULL;
if (w != None) {
ic = g_new(ObtIC, 1);
ic->ref = 1;
ic->xic = NULL;
if (xim)
ic->xic = XCreateIC(xim,
XNInputStyle, xim_style,
XNClientWindow, w,
XNFocusWindow, w,
NULL);
}
return ic;
}
void obt_keyboard_context_ref(ObtIC *ic)
{
++ic->ref;
}
void obt_keyboard_context_unref(ObtIC *ic)
{
if (--ic->ref < 1) {
XDestroyIC(ic->xic);
g_free(ic);
}
}

7
obt/keyboard.h
View file

@ -40,6 +40,8 @@ typedef enum {
OBT_KEYBOARD_NUM_MODKEYS OBT_KEYBOARD_NUM_MODKEYS
} ObtModkeysKey; } ObtModkeysKey;
typedef struct _ObtIC ObtIC;
void obt_keyboard_reload(void); void obt_keyboard_reload(void);
/*! Get the modifier mask(s) for a KeyCode. (eg. a keycode bound to Alt_L could /*! Get the modifier mask(s) for a KeyCode. (eg. a keycode bound to Alt_L could
@ -63,6 +65,11 @@ gchar *obt_keyboard_keycode_to_string(guint keycode);
/*! Translate a KeyCode to the unicode character it represents */ /*! Translate a KeyCode to the unicode character it represents */
gunichar obt_keyboard_keycode_to_unichar(guint keycode); gunichar obt_keyboard_keycode_to_unichar(guint keycode);
/*! Create an input context for a window */
ObtIC* obt_keyboard_context_new(Window w);
void obt_keyboard_context_ref(ObtIC *ic);
void obt_keyboard_context_unref(ObtIC *ic);
G_END_DECLS G_END_DECLS