diff options
| author | Po Lu <luangruo@yahoo.com> | 2022-07-28 07:28:23 +0000 |
|---|---|---|
| committer | Po Lu <luangruo@yahoo.com> | 2022-07-28 07:28:23 +0000 |
| commit | 02ab6aaf7bc4d9c31d8e034ba3fe778bf2f35def (patch) | |
| tree | 9d62d9aa3540bb1906e572ff4edff08d656ca53d /src/haiku_support.cc | |
| parent | 27a0bcd7797d8059ec1b0bb000e25146bde3bf9d (diff) | |
| download | emacs-02ab6aaf7bc4d9c31d8e034ba3fe778bf2f35def.tar.gz | |
Fix minor problem with scroll bar grabs on Haiku
* haiku_support.cc (class EmacsScrollBar, EmacsScrollBar)
(MouseDown, MouseUp): Keep a counter of the mouse down events
received.
Diffstat (limited to 'src/haiku_support.cc')
| -rw-r--r-- | src/haiku_support.cc | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/haiku_support.cc b/src/haiku_support.cc index 204fdb81c2d..cb378d2d810 100644 --- a/src/haiku_support.cc +++ b/src/haiku_support.cc @@ -1996,8 +1996,9 @@ public: float old_value; scroll_bar_info info; - /* True if button events should be passed to the parent. */ - bool handle_button; + /* How many button events were passed to the parent without + release. */ + int handle_button_count; bool in_overscroll; bool can_overscroll; bool maybe_overscroll; @@ -2013,7 +2014,7 @@ public: : BScrollBar (BRect (x, y, x1, y1), NULL, NULL, 0, 0, horizontal_p ? B_HORIZONTAL : B_VERTICAL), dragging (0), - handle_button (false), + handle_button_count (0), in_overscroll (false), can_overscroll (false), maybe_overscroll (false), @@ -2234,10 +2235,10 @@ public: if (message && (message->FindInt32 ("modifiers", &mods) == B_OK) - && mods & B_CONTROL_KEY && !handle_button) + && mods & B_CONTROL_KEY) { /* Allow C-mouse-3 to split the window on a scroll bar. */ - handle_button = true; + handle_button_count += 1; SetMouseEventMask (B_POINTER_EVENTS, (B_SUSPEND_VIEW_FOCUS | B_LOCK_WINDOW_FOCUS)); parent->BasicMouseDown (ConvertToParent (pt), this, message); @@ -2309,9 +2310,9 @@ public: in_overscroll = false; maybe_overscroll = false; - if (handle_button) + if (handle_button_count) { - handle_button = false; + handle_button_count--; looper = Looper (); msg = (looper ? looper->CurrentMessage () |