1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
//! Alert component for displaying important messages
//!
//! Supports different severity levels and optional dismiss functionality.
use crate::icons::Icons;
use crate::theme::{ActiveTheme, Themeable};
use gpui::{
div, prelude::FluentBuilder, px, rems, App, ClickEvent, Context, ElementId, Entity, Hsla,
InteractiveElement, IntoElement, MouseButton, ParentElement, RenderOnce, SharedString,
StatefulInteractiveElement, Styled, Svg, Window,
};
/// Creates a new alert with an optional message
pub fn alert(message: impl Into<SharedString>) -> Alert {
Alert::new().description(message)
}
/// Alert variant determining severity/styling
#[derive(Default, Clone, Copy, PartialEq, Eq)]
pub enum AlertVariant {
/// Neutral informational (default styling)
#[default]
Default,
/// Informational (blue)
Info,
/// Positive/success (green)
Success,
/// Caution (yellow/orange)
Warning,
/// Error/danger (red)
Destructive,
}
impl AlertVariant {
/// Returns the default icon for this variant
fn default_icon(&self) -> Svg {
match self {
AlertVariant::Default => Icons::info_circled(),
AlertVariant::Info => Icons::info_circled(),
AlertVariant::Success => Icons::check_circled(),
AlertVariant::Warning => Icons::exclamation_triangle(),
AlertVariant::Destructive => Icons::cross_circled(),
}
}
/// Returns the icon/accent color for this variant from the theme
fn color(&self, theme: &dyn Themeable) -> Hsla {
match self {
AlertVariant::Default => theme.fg_muted(),
AlertVariant::Info => theme.info(),
AlertVariant::Success => theme.success(),
AlertVariant::Warning => theme.warning(),
AlertVariant::Destructive => theme.danger(),
}
}
/// Returns the background color for this variant
fn bg_color(&self, theme: &dyn Themeable) -> Hsla {
self.color(theme).opacity(0.1)
}
/// Returns the border color for this variant
fn border_color(&self, theme: &dyn Themeable) -> Hsla {
self.color(theme).opacity(0.3)
}
}
/// Internal state for dismiss behavior
struct DismissState {
dismissed: bool,
}
/// Alert component for displaying important messages
#[derive(IntoElement)]
pub struct Alert {
id: Option<ElementId>,
title: Option<SharedString>,
description: Option<SharedString>,
variant: AlertVariant,
icon: Option<Svg>,
show_icon: bool,
dismissible: bool,
on_dismiss: Option<Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>>,
}
impl Default for Alert {
fn default() -> Self {
Self::new()
}
}
impl Alert {
/// Create a new empty alert
pub fn new() -> Self {
Alert {
id: None,
title: None,
description: None,
variant: AlertVariant::Default,
icon: None,
show_icon: true,
dismissible: false,
on_dismiss: None,
}
}
/// Set the alert ID (required for dismissible alerts)
pub fn id(mut self, id: impl Into<ElementId>) -> Self {
self.id = Some(id.into());
self
}
/// Set the alert title
pub fn title(mut self, title: impl Into<SharedString>) -> Self {
self.title = Some(title.into());
self
}
/// Set the alert description/message
pub fn description(mut self, description: impl Into<SharedString>) -> Self {
self.description = Some(description.into());
self
}
/// Set the alert variant
pub fn variant(mut self, variant: AlertVariant) -> Self {
self.variant = variant;
self
}
/// Convenience method to set Info variant
pub fn info(mut self) -> Self {
self.variant = AlertVariant::Info;
self
}
/// Convenience method to set Success variant
pub fn success(mut self) -> Self {
self.variant = AlertVariant::Success;
self
}
/// Convenience method to set Warning variant
pub fn warning(mut self) -> Self {
self.variant = AlertVariant::Warning;
self
}
/// Convenience method to set Destructive variant
pub fn destructive(mut self) -> Self {
self.variant = AlertVariant::Destructive;
self
}
/// Override the default icon for the variant
pub fn icon(mut self, icon: Svg) -> Self {
self.icon = Some(icon);
self
}
/// Hide the icon
pub fn no_icon(mut self) -> Self {
self.show_icon = false;
self
}
/// Make the alert dismissible
/// Note: Requires setting an ID via `.id()` for state management
pub fn dismissible(mut self, dismissible: bool) -> Self {
self.dismissible = dismissible;
self
}
/// Set a callback for when the alert is dismissed
pub fn on_dismiss(
mut self,
handler: impl Fn(&ClickEvent, &mut Window, &mut App) + 'static,
) -> Self {
self.on_dismiss = Some(Box::new(handler));
self
}
}
impl RenderOnce for Alert {
fn render(self, window: &mut Window, cx: &mut App) -> impl IntoElement {
// Extract theme colors first to avoid borrow conflicts
let (
fg_color,
fg_muted_color,
surface_secondary_color,
variant_color,
bg_color,
border_color,
) = {
let theme = cx.theme();
(
theme.fg(),
theme.fg_muted(),
theme.surface_secondary(),
self.variant.color(theme.as_ref()),
self.variant.bg_color(theme.as_ref()),
self.variant.border_color(theme.as_ref()),
)
};
// Handle dismiss state if dismissible
let is_dismissed = if self.dismissible {
if let Some(ref id) = self.id {
let state: Entity<DismissState> = window.use_keyed_state(
id.clone(),
cx,
|_window, _cx: &mut Context<DismissState>| DismissState { dismissed: false },
);
state.read(cx).dismissed
} else {
false
}
} else {
false
};
// Don't render if dismissed
if is_dismissed {
return div().into_any_element();
}
let icon = if self.show_icon {
Some(self.icon.unwrap_or_else(|| self.variant.default_icon()))
} else {
None
};
let has_title = self.title.is_some();
let id = self.id.clone();
let on_dismiss = self.on_dismiss;
div()
.w_full()
.flex()
.gap(rems(0.75))
.p(rems(0.75))
.bg(bg_color)
.border_1()
.border_color(border_color)
.rounded(rems(0.375))
// Icon
.when_some(icon, |alert, icon| {
alert.child(
div()
.flex_none()
.pt(px(2.0))
.child(icon.size(px(16.0)).text_color(variant_color)),
)
})
// Content
.child(
div()
.flex_1()
.flex()
.flex_col()
.gap(rems(0.25))
// Title
.when_some(self.title, |content, title| {
content.child(
div()
.text_sm()
.font_weight(gpui::FontWeight::SEMIBOLD)
.text_color(fg_color)
.child(title),
)
})
// Description
.when_some(self.description, |content, description| {
content.child(
div()
.text_sm()
.text_color(if has_title { fg_muted_color } else { fg_color })
.child(description),
)
}),
)
// Dismiss button
.when(self.dismissible && id.is_some(), |alert| {
// Capture the dismiss state entity during render so the click handler can use it
let dismiss_id = id.clone().unwrap();
let dismiss_state: Entity<DismissState> = window.use_keyed_state(
dismiss_id,
cx,
|_window, _cx: &mut Context<DismissState>| DismissState { dismissed: false },
);
alert.child(
div()
.id("alert-dismiss")
.flex_none()
.size(px(20.0))
.flex()
.items_center()
.justify_center()
.rounded(px(4.0))
.cursor_pointer()
.hover(|div| div.bg(surface_secondary_color.opacity(0.5)))
.on_mouse_down(MouseButton::Left, |_, window, _| window.prevent_default())
.on_click(move |event, window, cx| {
cx.stop_propagation();
dismiss_state.update(cx, |s, _| {
s.dismissed = true;
});
// Call dismiss handler
if let Some(ref handler) = on_dismiss {
handler(event, window, cx);
}
})
.child(Icons::cross_1().size(px(12.0)).text_color(fg_muted_color)),
)
})
.into_any_element()
}
}