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hook up triple-click in UI to select lines

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This commit is contained in:
Mitchell Hashimoto
2022-11-22 10:07:52 -08:00
parent 8b839ef4b6
commit d1b565f4d4
2 changed files with 37 additions and 3 deletions
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39
src/Window.zig
View File

@ -1562,7 +1562,7 @@ fn mouseButtonCallback(
log.err("error scheduling render in mouseButtinCallback err={}", .{err});
},
// Double click, select the word under our mouse
// Double click, select the word under our mouse
2 => {
const sel_ = win.io.terminal.screen.selectWord(win.mouse.left_click_point);
if (sel_) |sel| {
@ -1572,7 +1572,15 @@ fn mouseButtonCallback(
}
},
3 => log.info("TRIPLE CLICK", .{}),
// Triple click, select the line under our mouse
3 => {
const sel_ = win.io.terminal.screen.selectLine(win.mouse.left_click_point);
if (sel_) |sel| {
win.io.terminal.selection = sel;
win.queueRender() catch |err|
log.err("error scheduling render in mouseButtinCallback err={}", .{err});
}
},
// We should be bounded by 1 to 3
else => unreachable,
@ -1648,7 +1656,7 @@ fn cursorPosCallback(
switch (win.mouse.left_click_count) {
1 => win.dragLeftClickSingle(screen_point, xpos),
2 => win.dragLeftClickDouble(screen_point),
3 => {}, // TODO
3 => win.dragLeftClickTriple(screen_point),
else => unreachable,
}
}
@ -1678,6 +1686,31 @@ fn dragLeftClickDouble(
self.io.terminal.selection = sel;
}
/// Triple-click dragging moves the selection one "line" at a time.
fn dragLeftClickTriple(
self: *Window,
screen_point: terminal.point.ScreenPoint,
) void {
// Get the word under our current point. If there isn't a word, do nothing.
const word = self.io.terminal.screen.selectLine(screen_point) orelse return;
// Get our selection to grow it. If we don't have a selection, start it now.
// We may not have a selection if we started our dbl-click in an area
// that had no data, then we dragged our mouse into an area with data.
var sel = self.io.terminal.screen.selectLine(self.mouse.left_click_point) orelse {
self.io.terminal.selection = word;
return;
};
// Grow our selection
if (screen_point.before(self.mouse.left_click_point)) {
sel.start = word.start;
} else {
sel.end = word.end;
}
self.io.terminal.selection = sel;
}
fn dragLeftClickSingle(
self: *Window,
screen_point: terminal.point.ScreenPoint,

1
src/terminal/Screen.zig
View File

@ -1117,6 +1117,7 @@ pub fn selectLine(self: *Screen, pt: point.ScreenPoint) ?Selection {
const current = self.getRow(.{ .screen = y });
if (!current.header().flags.wrap) break :start_row y + 1;
if (y == 0) break :start_row y;
y -= 1;
}
unreachable;
};