Fixes several Gdk related key event problems on Linux / Solaris. r=,mo=Pavlov, a=blizzard

bug 53667 - alt + left/right doesn't navigate back/forward
bug 55792 - ctrl + left/right not skipping words
bug 54694 - ctrl + left segfaults
This commit is contained in:
disttsc%bart.nl 2000-10-18 01:17:06 +00:00
Родитель 9a4a9a865d
Коммит 4d30ff5f10
1 изменённых файлов: 24 добавлений и 47 удалений

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@ -18,6 +18,7 @@
* Rights Reserved.
*
* Contributor(s):
* Peter Annema <disttsc@bart.nl>
*/
#include "nsWidget.h"
@ -32,7 +33,6 @@
#include "stdio.h"
#include "ctype.h"
#include "gtk/gtk.h"
#include "nsGtkEventHandler.h"
@ -313,24 +313,18 @@ int nsPlatformToDOMKeyCode(GdkEventKey *aGEK)
//==============================================================
// Convert gdk key event keyvals to char codes if printable, 0 otherwise
PRUint32 nsConvertCharCodeToUnicode(GdkEventKey* aGEK)
{
// For control key events, aGEK->string is fairly random,
// and for alt key it loses capitalization info,
// but keyval is reliable for both control and alt.
// XXX We need to get meta, too, when/if gtk adds supports for it.
if ((aGEK->state & GDK_CONTROL_MASK) || (aGEK->state & GDK_MOD1_MASK))
{
// Anything above 0xf000 is considered a non-printable
if (aGEK->keyval > 0xf000) {
// Keypad keys are an exception: they return a value different
// from their non-keypad equivalents, but mozilla doesn't distinguish.
switch (aGEK->keyval)
{
case GDK_KP_Space:
return ' ';
case GDK_KP_Tab:
return '\t';
case GDK_KP_Enter:
return 0;
case GDK_KP_Equal:
return '=';
case GDK_KP_Multiply:
@ -366,29 +360,18 @@ PRUint32 nsConvertCharCodeToUnicode(GdkEventKey* aGEK)
case GDK_KP_9:
return '9';
}
}
if (aGEK->state & GDK_CONTROL_MASK) {
if (isprint(aGEK->keyval))
return (PRUint32)aGEK->keyval;
// non-printables
return 0;
}
// For now (will this need to change for IME?),
// only set a char code if the result is printable:
if (!isprint(aGEK->string[0]))
// we're supposedly printable, let's try to convert
long ucs = keysym2ucs(aGEK->keyval);
if ((ucs != -1) && (ucs < 0x10000))
return ucs;
// I guess we couldn't convert
return 0;
if ((aGEK->state & GDK_MOD1_MASK)
&& !(aGEK->state & GDK_SHIFT_MASK)
&& isupper(aGEK->string[0]))
return tolower(aGEK->string[0]);
//
// placeholder for something a little more interesting and correct
//
return aGEK->string[0];
}
//==============================================================
@ -427,8 +410,7 @@ void InitKeyPressEvent(GdkEventKey *aGEK,
anEvent.message = NS_KEY_PRESS;
anEvent.widget = (nsWidget*)p;
if (aGEK!=nsnull)
{
if (aGEK!=nsnull) {
anEvent.isShift = (aGEK->state & GDK_SHIFT_MASK) ? PR_TRUE : PR_FALSE;
anEvent.isControl = (aGEK->state & GDK_CONTROL_MASK) ? PR_TRUE : PR_FALSE;
anEvent.isAlt = (aGEK->state & GDK_MOD1_MASK) ? PR_TRUE : PR_FALSE;
@ -436,19 +418,6 @@ void InitKeyPressEvent(GdkEventKey *aGEK,
anEvent.isMeta = PR_FALSE; //(aGEK->state & GDK_MOD2_MASK) ? PR_TRUE : PR_FALSE;
anEvent.charCode = nsConvertCharCodeToUnicode(aGEK);
if (anEvent.charCode == 0)
{
// now, let's handle some keysym which XmbLookupString didn't handle
// because they are not part of the locale encoding
if( (aGEK->keyval >= 0xa0 && (aGEK->keyval <= 0xf000) ||
(aGEK->keyval & 0xff000000U) == 0x01000000))
{
long ucs = keysym2ucs(aGEK->keyval);
if( (-1 != ucs ) && ( ucs < 0x10000))
anEvent.charCode = ucs;
}
}
if (anEvent.charCode) {
anEvent.keyCode = 0;
@ -458,10 +427,12 @@ void InitKeyPressEvent(GdkEventKey *aGEK,
// clear isShift so the character can be inserted in the editor
if (!anEvent.isControl && !anEvent.isAlt && !anEvent.isMeta)
anEvent.isShift = PR_FALSE;
} else
} else {
anEvent.keyCode = nsPlatformToDOMKeyCode(aGEK);
}
#if defined(DEBUG_akkana_not) || defined (DEBUG_ftang)
if (!aGEK->length) printf("!length, ");
printf("Key Press event: gtk string = '%s', keyval = '%c' = %d,\n",
aGEK->string, aGEK->keyval, aGEK->keyval);
printf(" --> keyCode = 0x%x, char code = '%c'",
@ -607,7 +578,10 @@ gint handle_key_press_event_for_text(GtkObject *w, GdkEventKey* event,
if (event->keyval == GDK_Shift_L
|| event->keyval == GDK_Shift_R
|| event->keyval == GDK_Control_L
|| event->keyval == GDK_Control_R)
|| event->keyval == GDK_Control_R
|| event->keyval == GDK_Alt_L
|| event->keyval == GDK_Alt_R
)
return PR_TRUE;
NS_ADDREF(win);
@ -642,7 +616,10 @@ gint handle_key_release_event_for_text(GtkObject *w, GdkEventKey* event,
if (event->keyval == GDK_Shift_L
|| event->keyval == GDK_Shift_R
|| event->keyval == GDK_Control_L
|| event->keyval == GDK_Control_R)
|| event->keyval == GDK_Control_R
|| event->keyval == GDK_Alt_L
|| event->keyval == GDK_Alt_R
)
return PR_TRUE;
InitKeyEvent(event, p, kevent, NS_KEY_UP);