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Multiple mouse button support (#135)

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Add support for primary, secondary and middle mouse buttons. Also improve ability to click things in low FPS situations.

This introduces a lot of breaking changes:

    Backends/integrations now pass mouse events via the even stream.
    Response has an interface of mostly methods instead of public members.
    input.mouse is now input.pointer and has new interface.


* Rename 'mouse' to 'pointer' everywhere (pointer = mouse or touch)

* Make Response::clicked and Response::double_clicked into methods

* Remove Response::active and add dragged() and interact_pointer_pos()

* Support multiple mouse buttons

* Make PointerState interface all methods

* Make most members of Response private
This commit is contained in:
Emil Ernerfeldt
2021-01-25 18:50:19 +01:00
committed by GitHub
parent 18b9214575
commit 247026149c
47 changed files with 1052 additions and 580 deletions
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6
egui_demo_lib/src/frame_history.rs
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@@ -79,9 +79,9 @@ impl FrameHistory {
let rect = rect.shrink(4.0);
let line_stroke = Stroke::new(1.0, Color32::from_additive_luminance(128));
if let Some(mouse_pos) = ui.input().mouse.pos {
if rect.contains(mouse_pos) {
let y = mouse_pos.y;
if let Some(pointer_pos) = ui.input().pointer.tooltip_pos() {
if rect.contains(pointer_pos) {
let y = pointer_pos.y;
shapes.push(Shape::line_segment(
[pos2(rect.left(), y), pos2(rect.right(), y)],
line_stroke,