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KasmVNC/contrib/packages/rpm/el6/SOURCES/fltk-1_v4.3.x-keyboard-x11.patch
matt 408c005d3e Initial commit
2020-09-20 12:16:44 +00:00

287 lines
9.5 KiB
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diff -ur fltk-1.3.0r9619.org/FL/Fl_Widget.H fltk-1.3.0r9619/FL/Fl_Widget.H
--- fltk-1.3.0r9619.org/FL/Fl_Widget.H 2012-04-23 22:12:06.000000000 +0200
+++ fltk-1.3.0r9619/FL/Fl_Widget.H 2012-06-18 13:46:07.302320825 +0200
@@ -171,6 +171,7 @@
GROUP_RELATIVE = 1<<16, ///< position this widget relative to the parent group, not to the window
COPIED_TOOLTIP = 1<<17, ///< the widget tooltip is internally copied, its destruction is handled by the widget
FULLSCREEN = 1<<18, ///< a fullscreen window (Fl_Window)
+ SIMPLE_KEYBOARD = 1<<19, ///< the widget wants simple, consistent keypresses and not advanced input (like character composition and CJK input)
// (space for more flags)
USERFLAG3 = 1<<29, ///< reserved for 3rd party extensions
USERFLAG2 = 1<<30, ///< reserved for 3rd party extensions
@@ -776,6 +777,35 @@
*/
void clear_changed() {flags_ &= ~CHANGED;}
+ /**
+ Returns if the widget sees a simplified keyboard model or not.
+
+ Normally widgets get a full-featured keyboard model that is geared
+ towards text input. This includes support for compose sequences and
+ advanced input methods, commonly used for asian writing system. This
+ system however has downsides in that extra graphic can be presented
+ to the user and that a physical key press doesn't correspond directly
+ to a FLTK event.
+
+ Widgets that need a direct correspondence between actual key events
+ and those seen by the widget can swith to the simplified keyboard
+ model.
+
+ \retval 0 if the widget uses the normal keyboard model
+ \see set_changed(), clear_changed()
+ */
+ unsigned int simple_keyboard() const {return flags_&SIMPLE_KEYBOARD;}
+
+ /** Marks a widget to use the simple keyboard model.
+ \see changed(), clear_changed()
+ */
+ void set_simple_keyboard() {flags_ |= SIMPLE_KEYBOARD;}
+
+ /** Marks a widget to use the normal keyboard model.
+ \see changed(), set_changed()
+ */
+ void set_normal_keyboard() {flags_ &= ~SIMPLE_KEYBOARD;}
+
/** Gives the widget the keyboard focus.
Tries to make this widget be the Fl::focus() widget, by first sending
it an FL_FOCUS event, and if it returns non-zero, setting
diff -ur fltk-1.3.0r9619.org/src/Fl.cxx fltk-1.3.0r9619/src/Fl.cxx
--- fltk-1.3.0r9619.org/src/Fl.cxx 2012-03-23 17:47:53.000000000 +0100
+++ fltk-1.3.0r9619/src/Fl.cxx 2012-06-18 13:46:07.303320877 +0200
@@ -70,6 +70,8 @@
extern double fl_mac_flush_and_wait(double time_to_wait, char in_idle);
#endif // WIN32
+extern void fl_update_focus(void);
+
//
// Globals...
//
@@ -876,6 +878,8 @@
fl_oldfocus = p;
}
e_number = old_event;
+ // let the platform code do what it needs
+ fl_update_focus();
}
}
diff -ur fltk-1.3.0r9619.org/src/Fl_grab.cxx fltk-1.3.0r9619/src/Fl_grab.cxx
--- fltk-1.3.0r9619.org/src/Fl_grab.cxx 2012-03-23 17:47:53.000000000 +0100
+++ fltk-1.3.0r9619/src/Fl_grab.cxx 2012-06-18 13:46:07.303320877 +0200
@@ -29,6 +29,7 @@
// override_redirect, it does similar things on WIN32.
extern void fl_fix_focus(); // in Fl.cxx
+void fl_update_focus(void);
#ifdef WIN32
// We have to keep track of whether we have captured the mouse, since
@@ -80,6 +81,7 @@
#endif
}
grab_ = win;
+ fl_update_focus();
} else {
if (grab_) {
#ifdef WIN32
@@ -98,6 +100,7 @@
XFlush(fl_display);
#endif
grab_ = 0;
+ fl_update_focus();
fl_fix_focus();
}
}
diff -ur fltk-1.3.0r9619.org/src/Fl_x.cxx fltk-1.3.0r9619/src/Fl_x.cxx
--- fltk-1.3.0r9619.org/src/Fl_x.cxx 2012-06-18 13:46:07.205316173 +0200
+++ fltk-1.3.0r9619/src/Fl_x.cxx 2012-06-18 13:46:18.216844629 +0200
@@ -298,6 +298,7 @@
Colormap fl_colormap;
XIM fl_xim_im = 0;
XIC fl_xim_ic = 0;
+Window fl_xim_win = 0;
char fl_is_over_the_spot = 0;
static XRectangle status_area;
@@ -583,6 +584,65 @@
if(xim_styles) XFree(xim_styles);
}
+void fl_xim_deactivate(void);
+
+void fl_xim_activate(Window xid)
+{
+ if (!fl_xim_im)
+ return;
+
+ // If the focused window has changed, then use the brute force method
+ // of completely recreating the input context.
+ if (fl_xim_win != xid) {
+ fl_xim_deactivate();
+
+ fl_new_ic();
+ fl_xim_win = xid;
+
+ XSetICValues(fl_xim_ic,
+ XNFocusWindow, fl_xim_win,
+ XNClientWindow, fl_xim_win,
+ NULL);
+ }
+
+ fl_set_spot(spotf, spots, spot.x, spot.y, spot.width, spot.height);
+}
+
+void fl_xim_deactivate(void)
+{
+ if (!fl_xim_ic)
+ return;
+
+ XDestroyIC(fl_xim_ic);
+ fl_xim_ic = NULL;
+
+ fl_xim_win = 0;
+}
+
+extern Fl_Window *fl_xfocus;
+
+void fl_update_focus(void)
+{
+ Fl_Widget *focus;
+
+ focus = Fl::grab();
+ if (!focus)
+ focus = Fl::focus();
+ if (!focus)
+ return;
+
+ if (focus->simple_keyboard()) {
+ fl_xim_deactivate();
+ } else {
+ // fl_xfocus should always be set if something has focus, but let's
+ // play it safe
+ if (!fl_xfocus || !fl_xid(fl_xfocus))
+ return;
+
+ fl_xim_activate(fl_xid(fl_xfocus));
+ }
+}
+
void fl_open_display() {
if (fl_display) return;
@@ -917,10 +977,9 @@
XEvent xevent = thisevent;
fl_xevent = &thisevent;
Window xid = xevent.xany.window;
- static Window xim_win = 0;
if (fl_xim_ic && xevent.type == DestroyNotify &&
- xid != xim_win && !fl_find(xid))
+ xid != fl_xim_win && !fl_find(xid))
{
XIM xim_im;
xim_im = XOpenIM(fl_display, NULL, NULL, NULL);
@@ -935,48 +994,10 @@
return 0;
}
- if (fl_xim_ic && (xevent.type == FocusIn))
- {
-#define POOR_XIM
-#ifdef POOR_XIM
- if (xim_win != xid)
- {
- xim_win = xid;
- XDestroyIC(fl_xim_ic);
- fl_xim_ic = NULL;
- fl_new_ic();
- XSetICValues(fl_xim_ic,
- XNFocusWindow, xevent.xclient.window,
- XNClientWindow, xid,
- NULL);
- }
- fl_set_spot(spotf, spots, spot.x, spot.y, spot.width, spot.height);
-#else
- if (Fl::first_window() && Fl::first_window()->modal()) {
- Window x = fl_xid(Fl::first_window());
- if (x != xim_win) {
- xim_win = x;
- XSetICValues(fl_xim_ic,
- XNFocusWindow, xim_win,
- XNClientWindow, xim_win,
- NULL);
- fl_set_spot(spotf, spots, spot.x, spot.y, spot.width, spot.height);
- }
- } else if (xim_win != xid && xid) {
- xim_win = xid;
- XSetICValues(fl_xim_ic,
- XNFocusWindow, xevent.xclient.window,
- XNClientWindow, xid,
- //XNFocusWindow, xim_win,
- //XNClientWindow, xim_win,
- NULL);
- fl_set_spot(spotf, spots, spot.x, spot.y, spot.width, spot.height);
- }
-#endif
+ if (fl_xim_ic) {
+ if (XFilterEvent((XEvent *)&xevent, 0))
+ return 1;
}
-
- if ( XFilterEvent((XEvent *)&xevent, 0) )
- return(1);
#if USE_XRANDR
if( XRRUpdateConfiguration_f && xevent.type == randrEventBase + RRScreenChangeNotify) {
@@ -1326,15 +1347,15 @@
//static XComposeStatus compose;
len = XLookupString((XKeyEvent*)&(xevent.xkey),
buffer, buffer_len, &keysym, 0/*&compose*/);
- if (keysym && keysym < 0x400) { // a character in latin-1,2,3,4 sets
- // force it to type a character (not sure if this ever is needed):
- // if (!len) {buffer[0] = char(keysym); len = 1;}
- len = fl_utf8encode(XKeysymToUcs(keysym), buffer);
- if (len < 1) len = 1;
- // ignore all effects of shift on the keysyms, which makes it a lot
- // easier to program shortcuts and is Windoze-compatible:
- keysym = XKeycodeToKeysym(fl_display, keycode, 0);
- }
+ // XLookupString() is only defined to return Latin-1 (although it
+ // often gives you more). To be safe, use our own lookups based on
+ // keysym.
+ len = fl_utf8encode(XKeysymToUcs(keysym), buffer);
+ if (len < 1)
+ len = 1;
+ // ignore all effects of shift on the keysyms, which makes it a lot
+ // easier to program shortcuts and is Windoze-compatable:
+ keysym = XKeycodeToKeysym(fl_display, keycode, 0);
}
// MRS: Can't use Fl::event_state(FL_CTRL) since the state is not
// set until set_event_xy() is called later...
diff -ur fltk-1.3.0r9619.org/src/xutf8/imKStoUCS.c fltk-1.3.0r9619/src/xutf8/imKStoUCS.c
--- fltk-1.3.0r9619.org/src/xutf8/imKStoUCS.c 2009-03-13 23:43:43.000000000 +0100
+++ fltk-1.3.0r9619/src/xutf8/imKStoUCS.c 2012-06-18 13:46:07.304320930 +0200
@@ -266,6 +266,12 @@
0x20a8, 0x20a9, 0x20aa, 0x20ab, 0x20ac /* 0x20a8-0x20af */
};
+static unsigned short const keysym_to_unicode_fe50_fe60[] = {
+ 0x0300, 0x0301, 0x0302, 0x0303, 0x0304, 0x0306, 0x0307, 0x0308, /* 0xfe50-0xfe57 */
+ 0x030a, 0x030b, 0x030c, 0x0327, 0x0328, 0x1da5, 0x3099, 0x309a, /* 0xfe58-0xfe5f */
+ 0x0323 /* 0xfe60-0xfe67 */
+};
+
unsigned int
KeySymToUcs4(KeySym keysym)
{
@@ -315,6 +321,8 @@
return keysym_to_unicode_1e9f_1eff[keysym - 0x1e9f];
else if (keysym > 0x209f && keysym < 0x20ad)
return keysym_to_unicode_20a0_20ac[keysym - 0x20a0];
+ else if (keysym > 0xfe4f && keysym < 0xfe61)
+ return keysym_to_unicode_fe50_fe60[keysym - 0xfe50];
else
return 0;
}
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