migrations/egui
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Add rudimentary support for gui windows that you can move around

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This commit is contained in:
Emil Ernerfeldt
2020-04-17 14:26:36 +02:00
parent b26359d383
commit 1d3836ba80
10 changed files with 297 additions and 79 deletions
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8
emigui/src/types.rs
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@@ -38,6 +38,9 @@ pub struct GuiInput {
/// Current position of the mouse in points.
pub mouse_pos: Option<Vec2>,
/// How much the mouse moved compared to last frame, in points.
pub mouse_move: Vec2,
/// Size of the screen in points.
pub screen_size: Vec2,
@@ -47,11 +50,16 @@ pub struct GuiInput {
impl GuiInput {
pub fn from_last_and_new(last: &RawInput, new: &RawInput) -> GuiInput {
let mouse_move = new
.mouse_pos
.and_then(|new| last.mouse_pos.map(|last| new - last))
.unwrap_or_default();
GuiInput {
mouse_down: new.mouse_down,
mouse_clicked: !last.mouse_down && new.mouse_down,
mouse_released: last.mouse_down && !new.mouse_down,
mouse_pos: new.mouse_pos,
mouse_move,
screen_size: new.screen_size,
pixels_per_point: new.pixels_per_point,
}