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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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4
egui_demo_lib/src/apps/demo/toggle_switch.rs
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@@ -27,7 +27,7 @@ pub fn toggle(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
let (rect, response) = ui.allocate_exact_size(desired_size, egui::Sense::click());
// 3. Interact: Time to check for clicks!.
if response.clicked {
if response.clicked() {
*on = !*on;
}
@@ -63,7 +63,7 @@ pub fn toggle(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
fn toggle_compact(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
let desired_size = ui.style().spacing.interact_size;
let (rect, response) = ui.allocate_exact_size(desired_size, egui::Sense::click());
*on ^= response.clicked; // toggle if clicked
*on ^= response.clicked(); // toggle if clicked
let how_on = ui.ctx().animate_bool(response.id, *on);
let visuals = ui.style().interact(&response);