зеркало из https://github.com/mozilla/gecko-dev.git
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
Родитель
9a4a9a865d
Коммит
4d30ff5f10
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@ -18,6 +18,7 @@
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* Rights Reserved.
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*
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* Contributor(s):
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* Peter Annema <disttsc@bart.nl>
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*/
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#include "nsWidget.h"
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@ -32,7 +33,6 @@
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#include "stdio.h"
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#include "ctype.h"
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#include "gtk/gtk.h"
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#include "nsGtkEventHandler.h"
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@ -313,24 +313,18 @@ int nsPlatformToDOMKeyCode(GdkEventKey *aGEK)
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//==============================================================
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// Convert gdk key event keyvals to char codes if printable, 0 otherwise
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PRUint32 nsConvertCharCodeToUnicode(GdkEventKey* aGEK)
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{
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// For control key events, aGEK->string is fairly random,
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// and for alt key it loses capitalization info,
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// but keyval is reliable for both control and alt.
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// XXX We need to get meta, too, when/if gtk adds supports for it.
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if ((aGEK->state & GDK_CONTROL_MASK) || (aGEK->state & GDK_MOD1_MASK))
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{
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// Anything above 0xf000 is considered a non-printable
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if (aGEK->keyval > 0xf000) {
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// Keypad keys are an exception: they return a value different
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// from their non-keypad equivalents, but mozilla doesn't distinguish.
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switch (aGEK->keyval)
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{
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case GDK_KP_Space:
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return ' ';
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case GDK_KP_Tab:
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return '\t';
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case GDK_KP_Enter:
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return 0;
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case GDK_KP_Equal:
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return '=';
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case GDK_KP_Multiply:
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@ -366,29 +360,18 @@ PRUint32 nsConvertCharCodeToUnicode(GdkEventKey* aGEK)
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case GDK_KP_9:
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return '9';
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}
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}
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if (aGEK->state & GDK_CONTROL_MASK) {
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if (isprint(aGEK->keyval))
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return (PRUint32)aGEK->keyval;
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// non-printables
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return 0;
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}
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// For now (will this need to change for IME?),
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// only set a char code if the result is printable:
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if (!isprint(aGEK->string[0]))
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return 0;
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// we're supposedly printable, let's try to convert
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long ucs = keysym2ucs(aGEK->keyval);
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if ((ucs != -1) && (ucs < 0x10000))
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return ucs;
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if ((aGEK->state & GDK_MOD1_MASK)
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&& !(aGEK->state & GDK_SHIFT_MASK)
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&& isupper(aGEK->string[0]))
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return tolower(aGEK->string[0]);
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//
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// placeholder for something a little more interesting and correct
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//
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return aGEK->string[0];
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// I guess we couldn't convert
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return 0;
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}
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//==============================================================
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@ -427,8 +410,7 @@ void InitKeyPressEvent(GdkEventKey *aGEK,
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anEvent.message = NS_KEY_PRESS;
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anEvent.widget = (nsWidget*)p;
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if (aGEK!=nsnull)
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{
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if (aGEK!=nsnull) {
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anEvent.isShift = (aGEK->state & GDK_SHIFT_MASK) ? PR_TRUE : PR_FALSE;
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anEvent.isControl = (aGEK->state & GDK_CONTROL_MASK) ? PR_TRUE : PR_FALSE;
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anEvent.isAlt = (aGEK->state & GDK_MOD1_MASK) ? PR_TRUE : PR_FALSE;
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@ -436,19 +418,6 @@ void InitKeyPressEvent(GdkEventKey *aGEK,
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anEvent.isMeta = PR_FALSE; //(aGEK->state & GDK_MOD2_MASK) ? PR_TRUE : PR_FALSE;
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anEvent.charCode = nsConvertCharCodeToUnicode(aGEK);
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if (anEvent.charCode == 0)
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{
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// now, let's handle some keysym which XmbLookupString didn't handle
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// because they are not part of the locale encoding
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if( (aGEK->keyval >= 0xa0 && (aGEK->keyval <= 0xf000) ||
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(aGEK->keyval & 0xff000000U) == 0x01000000))
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{
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long ucs = keysym2ucs(aGEK->keyval);
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if( (-1 != ucs ) && ( ucs < 0x10000))
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anEvent.charCode = ucs;
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}
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}
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if (anEvent.charCode) {
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anEvent.keyCode = 0;
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@ -458,10 +427,12 @@ void InitKeyPressEvent(GdkEventKey *aGEK,
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// clear isShift so the character can be inserted in the editor
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if (!anEvent.isControl && !anEvent.isAlt && !anEvent.isMeta)
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anEvent.isShift = PR_FALSE;
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} else
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} else {
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anEvent.keyCode = nsPlatformToDOMKeyCode(aGEK);
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}
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#if defined(DEBUG_akkana_not) || defined (DEBUG_ftang)
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if (!aGEK->length) printf("!length, ");
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printf("Key Press event: gtk string = '%s', keyval = '%c' = %d,\n",
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aGEK->string, aGEK->keyval, aGEK->keyval);
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printf(" --> keyCode = 0x%x, char code = '%c'",
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@ -607,7 +578,10 @@ gint handle_key_press_event_for_text(GtkObject *w, GdkEventKey* event,
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if (event->keyval == GDK_Shift_L
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|| event->keyval == GDK_Shift_R
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|| event->keyval == GDK_Control_L
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|| event->keyval == GDK_Control_R)
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|| event->keyval == GDK_Control_R
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|| event->keyval == GDK_Alt_L
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|| event->keyval == GDK_Alt_R
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)
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return PR_TRUE;
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NS_ADDREF(win);
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@ -642,7 +616,10 @@ gint handle_key_release_event_for_text(GtkObject *w, GdkEventKey* event,
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if (event->keyval == GDK_Shift_L
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|| event->keyval == GDK_Shift_R
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|| event->keyval == GDK_Control_L
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|| event->keyval == GDK_Control_R)
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|| event->keyval == GDK_Control_R
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|| event->keyval == GDK_Alt_L
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|| event->keyval == GDK_Alt_R
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)
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return PR_TRUE;
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InitKeyEvent(event, p, kevent, NS_KEY_UP);
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