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| author |  Héctor Ramón Jiménez <hector0193@gmail.com> | 2019-10-30 05:20:41 +0100 |
|---|---|---|
| committer | Héctor Ramón Jiménez <hector0193@gmail.com> | 2019-10-30 05:20:41 +0100 |
| commit | 43f348dc4abc44baa3794ffd12cf080396aa958d (patch) | |
| tree | efc25a743c8627879a620db510ffc81f9c1c55fa /wgpu | |
| parent | 1505d8f9413c3b0371b9735c3e2a465c1ec0ae92 (diff) | |
| download | iced-43f348dc4abc44baa3794ffd12cf080396aa958d.tar.gz iced-43f348dc4abc44baa3794ffd12cf080396aa958d.tar.bz2 iced-43f348dc4abc44baa3794ffd12cf080396aa958d.zip | |
Show text cursor in `TextInput`
Diffstat (limited to 'wgpu')
| -rw-r--r-- | wgpu/src/renderer/text_input.rs | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/wgpu/src/renderer/text_input.rs b/wgpu/src/renderer/text_input.rs index f7a93465..30e06878 100644 --- a/wgpu/src/renderer/text_input.rs +++ b/wgpu/src/renderer/text_input.rs @@ -54,6 +54,8 @@ impl text_input::Renderer for Renderer { border_radius: 5, }; + let size = f32::from(text_input.size.unwrap_or(self.default_size())); + let value = Primitive::Clip { bounds: text_bounds, offset: 0, @@ -82,7 +84,7 @@ impl text_input::Renderer for Renderer { width: f32::INFINITY, ..text_bounds }, - size: f32::from(text_input.size.unwrap_or(self.default_size())), + size, horizontal_alignment: HorizontalAlignment::Left, vertical_alignment: VerticalAlignment::Center, }), @@ -90,7 +92,43 @@ impl text_input::Renderer for Renderer { ( Primitive::Group { - primitives: vec![border, input, value], + primitives: if text_input.state.is_focused { + use wgpu_glyph::{GlyphCruncher, Scale, Section}; + + let mut text_value_width = self + .glyph_brush + .borrow_mut() + .glyph_bounds(Section { + text: &text_input.value, + bounds: (f32::INFINITY, text_bounds.height), + scale: Scale { x: size, y: size }, + ..Default::default() + }) + .map(|bounds| bounds.width().round()) + .unwrap_or(0.0); + + let spaces_at_the_end = text_input.value.len() + - text_input.value.trim_end().len(); + + if spaces_at_the_end > 0 { + text_value_width += spaces_at_the_end as f32 * 5.0; + } + + let cursor = Primitive::Quad { + bounds: Rectangle { + x: text_bounds.x + text_value_width, + y: text_bounds.y, + width: 1.0, + height: text_bounds.height, + }, + background: Background::Color(Color::BLACK), + border_radius: 0, + }; + + vec![border, input, value, cursor] + } else { + vec![border, input, value] + }, }, if is_mouse_over { MouseCursor::Text |