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window detects double and triple clicks

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This commit is contained in:
Mitchell Hashimoto
2022-11-21 20:42:29 -08:00
parent acdbdfbe3f
commit 804d4534cd
1 changed files with 42 additions and 5 deletions
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47
src/Window.zig
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@ -75,6 +75,7 @@ renderer_thr: std.Thread,
/// Mouse state.
mouse: Mouse,
mouse_interval: u64,
/// The terminal IO handler.
io: termio.Impl,
@ -117,6 +118,12 @@ const Mouse = struct {
left_click_xpos: f64 = 0,
left_click_ypos: f64 = 0,
/// The count of clicks to count double and triple clicks and so on.
/// The left click time was the last time the left click was done. This
/// is always set on the first left click.
left_click_count: u8 = 0,
left_click_time: std.time.Instant = undefined,
/// The last x/y sent for mouse reports.
event_point: terminal.point.Viewport = .{},
};
@ -388,6 +395,7 @@ pub fn create(alloc: Allocator, app: *App, config: *const Config) !*Window {
},
.renderer_thr = undefined,
.mouse = .{},
.mouse_interval = 500 * 1_000_000, // 500ms
.io = io,
.io_thread = io_thread,
.io_thr = undefined,
@ -1525,11 +1533,40 @@ fn mouseButtonCallback(
win.mouse.left_click_xpos = pos.xpos;
win.mouse.left_click_ypos = pos.ypos;
// Selection is always cleared
if (win.io.terminal.selection != null) {
win.io.terminal.selection = null;
win.queueRender() catch |err|
log.err("error scheduling render in mouseButtinCallback err={}", .{err});
// Setup our click counter and timer
if (std.time.Instant.now()) |now| {
// If we have mouse clicks, then we check if the time elapsed
// is less than and our interval and if so, increase the count.
if (win.mouse.left_click_count > 0) {
const since = now.since(win.mouse.left_click_time);
if (since > win.mouse_interval) {
win.mouse.left_click_count = 0;
}
}
win.mouse.left_click_time = now;
win.mouse.left_click_count += 1;
// We only support up to triple-clicks.
if (win.mouse.left_click_count > 3) win.mouse.left_click_count = 1;
} else |err| {
win.mouse.left_click_count = 1;
log.err("error reading time, mouse multi-click won't work err={}", .{err});
}
switch (win.mouse.left_click_count) {
// First mouse click, clear selection
1 => if (win.io.terminal.selection != null) {
win.io.terminal.selection = null;
win.queueRender() catch |err|
log.err("error scheduling render in mouseButtinCallback err={}", .{err});
},
2 => log.info("DoublE CLICk", .{}),
3 => log.info("TRIPLE CLICK", .{}),
// We should be bounded by 1 to 3
else => unreachable,
}
}
}