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First implementation of widget focus changing using the TAB key

ugfx_release_2.6
Joel Bodenmann 2015-08-14 14:11:03 +02:00
parent e7e4f813e1
commit 9f5e19c151
1 changed files with 41 additions and 25 deletions
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66
src/gwin/gwin_widget.c
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@ -148,39 +148,55 @@ static void gwidgetEvent(void *param, GEvent *pe) {
case GEVENT_KEYBOARD:
// If Tab key pressed then set focus to next widget
if (pke->bytecount == 1 && pke->c[0] == GKEY_TAB) {
GHandle nextWidgetInFocus = 0;
bool_t loopCompleted = FALSE;
// Get the next widget
bool_t foundWidget = FALSE;
bool_t endOfListDetected = FALSE;
GHandle nextWidget = gwinGetFocus();
do {
nextWidgetInFocus = gwinGetNextWindow(gwinGetFocus());
printf("0x%X\r\n", nextWidgetInFocus);
// We only look out for widgets
if (!gwinIsWidget(nextWidgetInFocus)) {
nextWidget = gwinGetNextWindow(nextWidget);
foundWidget = TRUE;
// Begin with the first one if this is the last one
if (nextWidget == 0) {
foundWidget = FALSE;
// We go through the list twice - just to be sure
if (endOfListDetected) {
break;
}
endOfListDetected = TRUE;
continue;
}
if (nextWidgetInFocus == 0) {
loopCompleted = TRUE;
// Restart with the first widget
nextWidgetInFocus = gwinGetNextWindow(gwinGetFocus());
}
} while (nextWidgetInFocus == 0 && loopCompleted == FALSE);
printf("0x%X\r\n", nextWidgetInFocus);
gwinSetFocus(nextWidgetInFocus);
/*
// If it was the last widget begin with the first one again
if (widgetInFocus == 0) {
widgetInFocus = gwinGetNextWindow(0);
}
*/
//printf("Got now: %s\n", gwinGetClassName(gwinGetFocus()));
// Check whether this is a window or a widget
if (!gwinIsWidget(nextWidget)) {
foundWidget = FALSE;
continue;
}
// Only focus on a widget that is visible and enabled
if (!(nextWidget->flags & GWIN_FLG_SYSVISIBLE) || !(nextWidget->flags & GWIN_FLG_ENABLED)) {
foundWidget = FALSE;
continue;
}
// When using the TAB key we only focus on widgets that process keyboard events
if (((gwidgetVMT*)nextWidget->vmt)->KeyboardEvent == 0) {
foundWidget = FALSE;
continue;
}
} while (foundWidget == FALSE);
gwinSetFocus(nextWidget);
break;
}
/*
// Otherise, send keyboard events only to widget in focus
GHandle widgetInFocus = gwinGetFocus();
if (widgetInFocus != 0) {
// Make sure that it is a widget
if (!(widgetInFocus->flags & GWIN_FLG_WIDGET)) {
if (!gwinIsWidget(widgetInFocus)) {
break;
}
@ -197,7 +213,7 @@ static void gwidgetEvent(void *param, GEvent *pe) {
// If we got this far we can finally pass the event
((gwidgetVMT*)widgetInFocus->vmt)->KeyboardEvent((GWidgetObject*)widgetInFocus, pke);
}
*/
#endif
#if GFX_USE_GINPUT && GINPUT_NEED_TOGGLE