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Windows multitouch fixes and notes

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Properly special case first single touch; fall
back to allow windows to emulate mouse events for it.
Yet let gdk handle any multi-touch events, not allowing gestures.
This commit is contained in:
Robin Gareus 2025-01-16 18:45:32 +01:00
parent f608ad1f27
commit 462c5ad400
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GPG key ID: A090BCE02CF57F04
1 changed files with 36 additions and 12 deletions
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48
libs/tk/ydk/win32/gdkevents-win32.c
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@ -2052,6 +2052,7 @@ generate_button_event (GdkEventType type,
event->button.button = button;
event->button.device = _gdk_display->core_pointer;
GDK_NOTE (TOUCH, _gdk_win32_print_event (event));
_gdk_win32_append_event (event);
}
@ -2114,7 +2115,8 @@ handle_wm_pointer (GdkEventType type, GdkWindow* window, MSG* msg)
return FALSE;
}
// printf ("TOUCH %d SEQ %d %x | %d = %d | %d = %d\n", type, touch_sequence, GET_POINTERID_WPARAM (msg->wParam), (int)point.x, last_touch_x[touch_sequence], (int)point.y, last_touch_y[touch_sequence]);
//printf ("TOUCH %d SEQ %d %x | mask = %x press = %d\n", type, touch_sequence, GET_POINTERID_WPARAM (msg->wParam), touch_info.touchMask, touch_info.pressure);
//printf ("TOUCH %d SEQ %d %x | %d = %d | %d = %d\n", type, touch_sequence, GET_POINTERID_WPARAM (msg->wParam), (int)point.x, last_touch_x[touch_sequence], (int)point.y, last_touch_y[touch_sequence]);
/* Dear Aliens, we're sorry to limit multitouch to 30 fingers */
if (touch_sequence < 0 || touch_sequence > 31)
@ -2122,7 +2124,6 @@ handle_wm_pointer (GdkEventType type, GdkWindow* window, MSG* msg)
return FALSE;
}
/* Windows periodically sends WM_POINTERUPDATE updates.
* If a finger has not moved, do not create a GDK event.
*/
@ -2130,7 +2131,7 @@ handle_wm_pointer (GdkEventType type, GdkWindow* window, MSG* msg)
&& (int)point.x == last_touch_x[touch_sequence]
&& (int)point.y == last_touch_y[touch_sequence])
{
return FALSE;
return TRUE;
}
if (type == GDK_TOUCH_BEGIN) {
@ -2143,7 +2144,8 @@ handle_wm_pointer (GdkEventType type, GdkWindow* window, MSG* msg)
/* first single touch is already handled by Windows as mouse event */
if (touch_sequence == 0) {
return TRUE;
GDK_NOTE (TOUCH, g_print ("First touch - ignore type = %d at: %dx%d seq=%d\n", type, (int)point.x, (int)point.y, touch_sequence));
return FALSE;
}
ScreenToClient (msg->hwnd, &point);
@ -2156,15 +2158,14 @@ handle_wm_pointer (GdkEventType type, GdkWindow* window, MSG* msg)
event->touch.x_root = msg->pt.x + _gdk_offset_x;
event->touch.y_root = msg->pt.y + _gdk_offset_y;
event->touch.state = 0;
event->touch.sequence = GET_POINTERID_WPARAM (msg->wParam); // or touch_sequence + 1
event->touch.sequence = touch_sequence + 1; // or GET_POINTERID_WPARAM (msg->wParam);
event->touch.flags = 0; // touch_sequence == 0 ? 0x20000 : 0;
event->touch.deviceid = 0;
#ifdef G_ENABLE_DEBUG
if (_gdk_debug_flags & GDK_DEBUG_TOUCH)
g_message ("getPointerTouchInfo type = %d at: %.1fx%.1f root: %1.fx%1.f seq=%d\n", type, event->touch.x, event->touch.y, event->touch.x_root, event->touch.y_root, touch_sequence);
#endif
GDK_NOTE (TOUCH, g_print ("getPointerTouchInfo type = %d at: %.1fx%.1f root: %1.fx%1.f seq=%d\n", type, event->touch.x, event->touch.y, event->touch.x_root, event->touch.y_root, touch_sequence));
_gdk_win32_append_event (event);
return TRUE;
}
@ -2935,13 +2936,31 @@ gdk_event_translate (MSG *msg,
break;
case 0x0246 /* WM_POINTERDOWN */:
handle_wm_pointer (GDK_TOUCH_BEGIN, window, msg);
return_val = handle_wm_pointer (GDK_TOUCH_BEGIN, window, msg);
break;
case 0x0247 /* WM_POINTERUP */:
handle_wm_pointer (GDK_TOUCH_END, window, msg);
return_val = handle_wm_pointer (GDK_TOUCH_END, window, msg);
break;
case 0x0245 /* WM_POINTERUPDATE */:
handle_wm_pointer (GDK_TOUCH_UPDATE, window, msg);
return_val = handle_wm_pointer (GDK_TOUCH_UPDATE, window, msg);
break;
case 0x249: /* WM_POINTERENTER */
GDK_NOTE (TOUCH, g_print ("WM_POINTERENTER %d %x\n", GET_POINTERID_WPARAM (msg->wParam), msg->wParam));
break;
case 0x2cc: /* WM_TABLET_QUERYSYSTEMGESTURESTATUS */
GDK_NOTE (TOUCH, g_print ("WM_TABLET_QUERYGESTURE %d %d\n", GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam)));
#if 0
uint flags = 0;
flags |= 0x00000001; // TABLET_PRESSANDHOLD_DISABLED;
flags |= 0x00000008; // TABLET_TAPFEEDBACK_DISABLED;
flags |= 0x00000100; // TABLET_TOUCHUI_FORCEON;
flags |= 0x00000200; // TABLET_TOUCHUI_FORCEOFF;
flags |= 0x00010000; // TABLET_FLICKS_DISABLED;
flags |= 0x01000000; // TABLET_ENABLE_MULTITOUCHDATA
return flags;
#endif
break;
case WM_NCMOUSEMOVE:
@ -3880,6 +3899,11 @@ gdk_event_translate (MSG *msg,
gdk_event_free (event);
break;
default:
/* https://www.autohotkey.com/boards/viewtopic.php?t=39218 - list of window messages */
GDK_NOTE (EVENTS, g_print ("Unhandled WM_ EVENT %x\n", msg->message));
break;
}
done: