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gtk frontend: Ignore initial mouse clicks from outside the 

touchscreen, but allow dragging outside of it once touch
is started.

Patch from #2998869 by noodlebox.
This commit is contained in:
riccardom 2010-05-12 16:11:10 +00:00
parent 77024d3b82
commit be3000353b
1 changed files with 9 additions and 9 deletions
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18
desmume/src/gtk/main.cpp
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@ -1192,7 +1192,7 @@ static gboolean ExposeDrawingArea (GtkWidget *widget, GdkEventExpose *event, gpo
/////////////////////////////// KEYS AND STYLUS UPDATE ///////////////////////////////////////
static inline void rotoscaled_touchpos(gint x, gint y)
static gboolean rotoscaled_touchpos(gint x, gint y, gboolean start)
{
u16 EmuX, EmuY;
gint X, Y;
@ -1214,14 +1214,15 @@ static inline void rotoscaled_touchpos(gint x, gint y)
}
LOG("X=%d, Y=%d\n",x,y);
// FIXME: should ignore events only when STARTING touched-position
// was outside touchscreen - desmume window does not have physical band
// to limit movement of stylus
if ( Y >= 0 ) {
if (!start || (X >= 0 && Y >= 0 && X < 256 && Y < 192)) {
EmuX = CLAMP(X, 0, 255);
EmuY = CLAMP(Y, 0, 191);
NDS_setTouchPos(EmuX, EmuY);
return TRUE;
}
return FALSE;
}
static gboolean Stylus_Move(GtkWidget *w, GdkEventMotion *e, gpointer data)
@ -1239,7 +1240,7 @@ static gboolean Stylus_Move(GtkWidget *w, GdkEventMotion *e, gpointer data)
}
if(state & GDK_BUTTON1_MASK)
rotoscaled_touchpos(x,y);
rotoscaled_touchpos(x, y, FALSE);
}
return TRUE;
@ -1261,12 +1262,11 @@ static gboolean Stylus_Press(GtkWidget * w, GdkEventButton * e,
return TRUE;
if (e->button == 1) {
click = TRUE;
gdk_window_get_pointer(w->window, &x, &y, &state);
if(state & GDK_BUTTON1_MASK)
rotoscaled_touchpos(x, y);
if (rotoscaled_touchpos(x, y, TRUE))
click = TRUE;
}
return TRUE;