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attempts to process non ASCII key strokes properly

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11923 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2001-10-10 11:57:03 +00:00
parent e111559956
commit 654d905270
2 changed files with 90 additions and 14 deletions
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52
src/gtk/window.cpp
View File

@ -486,10 +486,21 @@ static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNU
static long map_to_unmodified_wx_keysym( GdkEventKey *event )
{
// VZ: it seems that GDK_KEY_RELEASE event doesn't set event->string
// but only event->keyval which is quite useless to us, so remember
// the last character from GDK_KEY_PRESS and resue it as last resort
//
// NB: should be MT-neutral as always called from main thread only
static struct
{
KeySym keysym;
long keycode;
} s_lastKeyPress = { 0, 0 };
KeySym keysym = event->keyval;
long key_code;
switch (keysym)
switch ( keysym )
{
case GDK_Shift_L:
case GDK_Shift_R: key_code = WXK_SHIFT; break;
@ -581,16 +592,43 @@ static long map_to_unmodified_wx_keysym( GdkEventKey *event )
case GDK_F11: key_code = WXK_F11; break;
case GDK_F12: key_code = WXK_F12; break;
default:
if ( (keysym & 0xFF) == keysym )
{
// do we have the translation?
if ( event->length == 1 )
{
guint upper = gdk_keyval_to_upper( (guint)keysym );
key_code = upper ? upper : keysym;
keysym = (KeySym)event->string[0];
}
else
else if ( (keysym & 0xFF) != keysym )
{
// unknown key code
key_code = 0;
// non ASCII key, what to do?
if ( event->type == GDK_KEY_RELEASE )
{
// reuse the one from the last keypress if any
if ( keysym == s_lastKeyPress.keysym )
{
key_code = s_lastKeyPress.keycode;
// skip "return 0"
break;
}
}
// ignore this one, we don't know it
return 0;
}
//else: ASCII key, ok
guint upper = gdk_keyval_to_upper( (guint)keysym );
key_code = upper ? upper : keysym;
if ( event->type == GDK_KEY_PRESS )
{
// remember it to be reused below later
s_lastKeyPress.keysym = keysym;
s_lastKeyPress.keycode = key_code;
}
}
}
return key_code;

52
src/gtk1/window.cpp
View File

@ -486,10 +486,21 @@ static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNU
static long map_to_unmodified_wx_keysym( GdkEventKey *event )
{
// VZ: it seems that GDK_KEY_RELEASE event doesn't set event->string
// but only event->keyval which is quite useless to us, so remember
// the last character from GDK_KEY_PRESS and resue it as last resort
//
// NB: should be MT-neutral as always called from main thread only
static struct
{
KeySym keysym;
long keycode;
} s_lastKeyPress = { 0, 0 };
KeySym keysym = event->keyval;
long key_code;
switch (keysym)
switch ( keysym )
{
case GDK_Shift_L:
case GDK_Shift_R: key_code = WXK_SHIFT; break;
@ -581,16 +592,43 @@ static long map_to_unmodified_wx_keysym( GdkEventKey *event )
case GDK_F11: key_code = WXK_F11; break;
case GDK_F12: key_code = WXK_F12; break;
default:
if ( (keysym & 0xFF) == keysym )
{
// do we have the translation?
if ( event->length == 1 )
{
guint upper = gdk_keyval_to_upper( (guint)keysym );
key_code = upper ? upper : keysym;
keysym = (KeySym)event->string[0];
}
else
else if ( (keysym & 0xFF) != keysym )
{
// unknown key code
key_code = 0;
// non ASCII key, what to do?
if ( event->type == GDK_KEY_RELEASE )
{
// reuse the one from the last keypress if any
if ( keysym == s_lastKeyPress.keysym )
{
key_code = s_lastKeyPress.keycode;
// skip "return 0"
break;
}
}
// ignore this one, we don't know it
return 0;
}
//else: ASCII key, ok
guint upper = gdk_keyval_to_upper( (guint)keysym );
key_code = upper ? upper : keysym;
if ( event->type == GDK_KEY_PRESS )
{
// remember it to be reused below later
s_lastKeyPress.keysym = keysym;
s_lastKeyPress.keycode = key_code;
}
}
}
return key_code;