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gui: allow dragging the window by non-tab areas in tab bar

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I've only tested this on macos, but it should be cross platform,
with the caveat that Wayland doesn't let a window position itself,
so this won't work there.
This commit is contained in:
Wez Furlong 2021-03-03 23:29:18 -08:00
parent 4834a29791
commit 5a5d08080c
2 changed files with 32 additions and 1 deletions
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3
wezterm-gui/src/termwindow/mod.rs
View File

@ -114,6 +114,7 @@ pub struct TermWindow {
last_mouse_terminal_coords: (usize, StableRowIndex),
scroll_drag_start: Option<isize>,
split_drag_start: Option<PositionedSplit>,
window_drag_position: Option<MouseEvent>,
prev_cursor: PrevCursorPos,
last_scroll_info: RenderableDimensions,
@ -260,6 +261,7 @@ impl WindowCallbacks for TermWindow {
last_mouse_terminal_coords: self.last_mouse_terminal_coords.clone(),
scroll_drag_start: self.scroll_drag_start.clone(),
split_drag_start: self.split_drag_start.clone(),
window_drag_position: None,
prev_cursor: self.prev_cursor.clone(),
last_scroll_info: self.last_scroll_info.clone(),
clipboard_contents: Arc::clone(&clipboard_contents),
@ -474,6 +476,7 @@ impl TermWindow {
last_mouse_terminal_coords: (0, 0),
scroll_drag_start: None,
split_drag_start: None,
window_drag_position: None,
prev_cursor: PrevCursorPos::new(),
last_scroll_info: RenderableDimensions::default(),
clipboard_contents: Arc::clone(&clipboard_contents),

30
wezterm-gui/src/termwindow/mouseevent.rs
View File

@ -62,6 +62,10 @@ impl super::TermWindow {
// Completed a split drag
return;
}
if press == &MousePress::Left && self.window_drag_position.take().is_some() {
// Completed a window drag
return;
}
}
WMEK::Press(ref press) => {
@ -96,6 +100,27 @@ impl super::TermWindow {
}
WMEK::Move => {
if let Some(start) = self.window_drag_position.as_ref() {
// Dragging the window
// Compute the distance since the initial event
let delta_x = start.screen_coords.x - event.screen_coords.x;
let delta_y = start.screen_coords.y - event.screen_coords.y;
// Now compute a new window position.
// We don't have a direct way to get the position,
// but we can infer it by comparing the mouse coords
// with the screen coords in the initial event.
// This computes the original top_left position,
// and applies the total drag delta to it.
let top_left = ::window::ScreenPoint::new(
(start.screen_coords.x - start.coords.x) - delta_x,
(start.screen_coords.y - start.coords.y) - delta_y,
);
// and now tell the window to go there
context.set_window_position(top_left);
return;
}
let current_viewport = self.get_viewport(pane.pane_id());
if let Some(from_top) = self.scroll_drag_start.as_ref() {
// Dragging the scroll bar
@ -171,7 +196,10 @@ impl super::TermWindow {
TabBarItem::NewTabButton => {
self.spawn_tab(&SpawnTabDomain::CurrentPaneDomain);
}
TabBarItem::None => {}
TabBarItem::None => {
// Potentially starting a drag by the tab bar
self.window_drag_position.replace(event.clone());
}
},
WMEK::Press(MousePress::Middle) => match self.tab_bar.hit_test(x) {
TabBarItem::Tab(tab_idx) => {