Struct PaddingConstraint

Source

pub struct PaddingConstraint {
    pub top: i32,
    pub bottom: i32,
    pub left: i32,
    pub right: i32,
    pub spacing: i32,
}

Expand description

This struct stores padding constraints.

Fields§

§top: i32§bottom: i32§left: i32§right: i32§spacing: i32

Implementations§

Source §

impl PaddingConstraint

Implementation to create a new PaddingConstraint object.

Source

pub fn new(top: i32, bottom: i32, left: i32, right: i32, spacing: i32) -> Self

Examples found in repository ?

examples/layout.rs (line 43)

33pub fn main() {
34    let sdl_context = sdl2::init().unwrap();
35    let video_subsystem = sdl_context.video().unwrap();
36    let window = video_subsystem
37        .window("pushrod-render horizontal layout demo", 400, 300)
38        .position_centered()
39        .opengl()
40        .build()
41        .unwrap();
42    let mut engine = Engine::new(400, 300, 60);
43    let mut layout = HorizontalLayout::new(20, 20, 360, 80, PaddingConstraint::new(0, 0, 0, 0, 1));
44    let mut layout2 =
45        VerticalLayout::new(250, 120, 130, 160, PaddingConstraint::new(0, 0, 0, 0, 1));
46    let mut widget1 = BaseWidget::new(make_points_origin(), make_size(0, 0));
47
48    widget1
49        .get_config()
50        .set_color(CONFIG_COLOR_BORDER, Color::RGB(0, 0, 0));
51    widget1.get_config().set_numeric(CONFIG_BORDER_WIDTH, 2);
52
53    let mut widget2 = BaseWidget::new(make_points_origin(), make_size(0, 0));
54
55    widget2
56        .get_config()
57        .set_color(CONFIG_COLOR_BORDER, Color::RGB(0, 0, 0));
58    widget2.get_config().set_numeric(CONFIG_BORDER_WIDTH, 2);
59
60    let mut widget3 = BaseWidget::new(make_points_origin(), make_size(0, 0));
61
62    widget3
63        .get_config()
64        .set_color(CONFIG_COLOR_BORDER, Color::RGB(0, 0, 0));
65    widget3.get_config().set_numeric(CONFIG_BORDER_WIDTH, 2);
66
67    let mut widget4 = BaseWidget::new(make_points_origin(), make_size(0, 0));
68
69    widget4
70        .get_config()
71        .set_color(CONFIG_COLOR_BORDER, Color::RGB(0, 0, 0));
72    widget4.get_config().set_numeric(CONFIG_BORDER_WIDTH, 2);
73
74    let widget1_id = engine.add_widget(Box::new(widget1), String::from("widget1"));
75    let widget2_id = engine.add_widget(Box::new(widget2), String::from("widget2"));
76    let widget3_id = engine.add_widget(Box::new(widget3), String::from("widget3"));
77    let widget4_id = engine.add_widget(Box::new(widget4), String::from("widget4"));
78
79    layout.append_widget(widget1_id);
80    layout.append_widget(widget2_id);
81    layout2.append_widget(widget3_id);
82    layout2.append_widget(widget4_id);
83    engine.add_layout(Box::new(layout));
84    engine.add_layout(Box::new(layout2));
85
86    let mut text_widget1 = TextWidget::new(
87        String::from("assets/OpenSans-Regular.ttf"),
88        sdl2::ttf::FontStyle::NORMAL,
89        16,
90        TextJustify::Right,
91        String::from("Spacing:"),
92        make_points(20, 116),
93        make_size(70, 22),
94    );
95
96    text_widget1
97        .get_config()
98        .set_color(CONFIG_COLOR_TEXT, Color::RGB(0, 0, 0));
99
100    let mut text_widget2 = TextWidget::new(
101        String::from("assets/OpenSans-Regular.ttf"),
102        sdl2::ttf::FontStyle::NORMAL,
103        16,
104        TextJustify::Left,
105        String::from("1"),
106        make_points(100, 116),
107        make_size(40, 22),
108    );
109
110    text_widget2
111        .get_config()
112        .set_color(CONFIG_COLOR_TEXT, Color::RGB(0, 0, 255));
113
114    let mut button1 = PushButtonWidget::new(
115        make_points(130, 112),
116        make_size(50, 30),
117        String::from("<"),
118        20,
119    );
120
121    button1.set_color(CONFIG_COLOR_BORDER, Color::RGB(0, 0, 0));
122    button1.set_numeric(CONFIG_BORDER_WIDTH, 2);
123    button1.on_click(|_, _widgets, _layouts| {
124        let mut spacing = _layouts[0].layout.borrow_mut().get_padding().spacing - 1;
125        let top = _layouts[0].layout.borrow_mut().get_padding().top;
126        let bottom = _layouts[0].layout.borrow_mut().get_padding().bottom;
127        let left = _layouts[0].layout.borrow_mut().get_padding().left;
128        let right = _layouts[0].layout.borrow_mut().get_padding().right;
129        let text_widget2_id = widget_id_for_name(_widgets, String::from("text_widget2"));
130
131        if spacing <= 0 {
132            spacing = 0;
133        }
134
135        let spacing_new = PaddingConstraint::new(top, bottom, left, right, spacing);
136
137        _layouts[0]
138            .layout
139            .borrow_mut()
140            .set_padding(spacing_new.clone());
141        _layouts[1]
142            .layout
143            .borrow_mut()
144            .set_padding(spacing_new.clone());
145
146        refresh_widgets(_widgets);
147
148        cast!(_widgets, text_widget2_id, TextWidget).set_text(format!("{}", spacing));
149    });
150
151    let mut button2 = PushButtonWidget::new(
152        make_points(180, 112),
153        make_size(50, 30),
154        String::from(">"),
155        20,
156    );
157
158    button2.set_color(CONFIG_COLOR_BORDER, Color::RGB(0, 0, 0));
159    button2.set_numeric(CONFIG_BORDER_WIDTH, 2);
160    button2.on_click(|_, _widgets, _layouts| {
161        let mut spacing = _layouts[0].layout.borrow_mut().get_padding().spacing + 1;
162        let top = _layouts[0].layout.borrow_mut().get_padding().top;
163        let bottom = _layouts[0].layout.borrow_mut().get_padding().bottom;
164        let left = _layouts[0].layout.borrow_mut().get_padding().left;
165        let right = _layouts[0].layout.borrow_mut().get_padding().right;
166        let text_widget2_id = widget_id_for_name(_widgets, String::from("text_widget2"));
167
168        if spacing >= MAX_SPACING {
169            spacing = MAX_SPACING;
170        }
171
172        let spacing_new = PaddingConstraint::new(top, bottom, left, right, spacing);
173
174        _layouts[0]
175            .layout
176            .borrow_mut()
177            .set_padding(spacing_new.clone());
178        _layouts[1]
179            .layout
180            .borrow_mut()
181            .set_padding(spacing_new.clone());
182
183        refresh_widgets(_widgets);
184
185        cast!(_widgets, text_widget2_id, TextWidget).set_text(format!("{}", spacing));
186    });
187
188    let mut text_widget3 = TextWidget::new(
189        String::from("assets/OpenSans-Regular.ttf"),
190        sdl2::ttf::FontStyle::NORMAL,
191        16,
192        TextJustify::Right,
193        String::from("Top:"),
194        make_points(20, 146),
195        make_size(70, 22),
196    );
197
198    text_widget3
199        .get_config()
200        .set_color(CONFIG_COLOR_TEXT, Color::RGB(0, 0, 0));
201
202    let mut text_widget4 = TextWidget::new(
203        String::from("assets/OpenSans-Regular.ttf"),
204        sdl2::ttf::FontStyle::NORMAL,
205        16,
206        TextJustify::Left,
207        String::from("0"),
208        make_points(100, 146),
209        make_size(40, 22),
210    );
211
212    text_widget4
213        .get_config()
214        .set_color(CONFIG_COLOR_TEXT, Color::RGB(0, 0, 255));
215
216    let mut button3 = PushButtonWidget::new(
217        make_points(130, 142),
218        make_size(50, 30),
219        String::from("<"),
220        20,
221    );
222
223    button3.set_color(CONFIG_COLOR_BORDER, Color::RGB(0, 0, 0));
224    button3.set_numeric(CONFIG_BORDER_WIDTH, 2);
225    button3.on_click(|_, _widgets, _layouts| {
226        let spacing = _layouts[0].layout.borrow_mut().get_padding().spacing;
227        let mut top = _layouts[0].layout.borrow_mut().get_padding().top - 1;
228        let bottom = _layouts[0].layout.borrow_mut().get_padding().bottom;
229        let left = _layouts[0].layout.borrow_mut().get_padding().left;
230        let right = _layouts[0].layout.borrow_mut().get_padding().right;
231        let text_widget4_id = widget_id_for_name(_widgets, String::from("text_widget4"));
232
233        if top <= 0 {
234            top = 0;
235        }
236
237        let spacing_new = PaddingConstraint::new(top, bottom, left, right, spacing);
238
239        _layouts[0]
240            .layout
241            .borrow_mut()
242            .set_padding(spacing_new.clone());
243        _layouts[1]
244            .layout
245            .borrow_mut()
246            .set_padding(spacing_new.clone());
247
248        refresh_widgets(_widgets);
249
250        cast!(_widgets, text_widget4_id, TextWidget).set_text(format!("{}", top));
251    });
252
253    let mut button4 = PushButtonWidget::new(
254        make_points(180, 142),
255        make_size(50, 30),
256        String::from(">"),
257        20,
258    );
259
260    button4.set_color(CONFIG_COLOR_BORDER, Color::RGB(0, 0, 0));
261    button4.set_numeric(CONFIG_BORDER_WIDTH, 2);
262    button4.on_click(|_, _widgets, _layouts| {
263        let spacing = _layouts[0].layout.borrow_mut().get_padding().spacing;
264        let mut top = _layouts[0].layout.borrow_mut().get_padding().top + 1;
265        let bottom = _layouts[0].layout.borrow_mut().get_padding().bottom;
266        let left = _layouts[0].layout.borrow_mut().get_padding().left;
267        let right = _layouts[0].layout.borrow_mut().get_padding().right;
268        let text_widget4_id = widget_id_for_name(_widgets, String::from("text_widget4"));
269
270        if top >= MAX_SPACING {
271            top = MAX_SPACING;
272        }
273
274        let spacing_new = PaddingConstraint::new(top, bottom, left, right, spacing);
275
276        _layouts[0]
277            .layout
278            .borrow_mut()
279            .set_padding(spacing_new.clone());
280        _layouts[1]
281            .layout
282            .borrow_mut()
283            .set_padding(spacing_new.clone());
284
285        refresh_widgets(_widgets);
286
287        cast!(_widgets, text_widget4_id, TextWidget).set_text(format!("{}", top));
288    });
289
290    let mut text_widget5 = TextWidget::new(
291        String::from("assets/OpenSans-Regular.ttf"),
292        sdl2::ttf::FontStyle::NORMAL,
293        16,
294        TextJustify::Right,
295        String::from("Bottom:"),
296        make_points(20, 176),
297        make_size(70, 22),
298    );
299
300    text_widget5
301        .get_config()
302        .set_color(CONFIG_COLOR_TEXT, Color::RGB(0, 0, 0));
303
304    let mut text_widget6 = TextWidget::new(
305        String::from("assets/OpenSans-Regular.ttf"),
306        sdl2::ttf::FontStyle::NORMAL,
307        16,
308        TextJustify::Left,
309        String::from("0"),
310        make_points(100, 176),
311        make_size(40, 22),
312    );
313
314    text_widget6
315        .get_config()
316        .set_color(CONFIG_COLOR_TEXT, Color::RGB(0, 0, 255));
317
318    let mut button5 = PushButtonWidget::new(
319        make_points(130, 172),
320        make_size(50, 30),
321        String::from("<"),
322        20,
323    );
324
325    button5.set_color(CONFIG_COLOR_BORDER, Color::RGB(0, 0, 0));
326    button5.set_numeric(CONFIG_BORDER_WIDTH, 2);
327    button5.on_click(|_, _widgets, _layouts| {
328        let spacing = _layouts[0].layout.borrow_mut().get_padding().spacing;
329        let top = _layouts[0].layout.borrow_mut().get_padding().top;
330        let mut bottom = _layouts[0].layout.borrow_mut().get_padding().bottom - 1;
331        let left = _layouts[0].layout.borrow_mut().get_padding().left;
332        let right = _layouts[0].layout.borrow_mut().get_padding().right;
333        let text_widget6_id = widget_id_for_name(_widgets, String::from("text_widget6"));
334
335        if bottom <= 0 {
336            bottom = 0;
337        }
338
339        let spacing_new = PaddingConstraint::new(top, bottom, left, right, spacing);
340
341        _layouts[0]
342            .layout
343            .borrow_mut()
344            .set_padding(spacing_new.clone());
345        _layouts[1]
346            .layout
347            .borrow_mut()
348            .set_padding(spacing_new.clone());
349
350        refresh_widgets(_widgets);
351
352        cast!(_widgets, text_widget6_id, TextWidget).set_text(format!("{}", bottom));
353    });
354
355    let mut button6 = PushButtonWidget::new(
356        make_points(180, 172),
357        make_size(50, 30),
358        String::from(">"),
359        20,
360    );
361
362    button6.set_color(CONFIG_COLOR_BORDER, Color::RGB(0, 0, 0));
363    button6.set_numeric(CONFIG_BORDER_WIDTH, 2);
364    button6.on_click(|_, _widgets, _layouts| {
365        let spacing = _layouts[0].layout.borrow_mut().get_padding().spacing;
366        let top = _layouts[0].layout.borrow_mut().get_padding().top;
367        let mut bottom = _layouts[0].layout.borrow_mut().get_padding().bottom + 1;
368        let left = _layouts[0].layout.borrow_mut().get_padding().left;
369        let right = _layouts[0].layout.borrow_mut().get_padding().right;
370        let text_widget6_id = widget_id_for_name(_widgets, String::from("text_widget6"));
371
372        if bottom >= MAX_SPACING {
373            bottom = MAX_SPACING;
374        }
375
376        let spacing_new = PaddingConstraint::new(top, bottom, left, right, spacing);
377
378        _layouts[0]
379            .layout
380            .borrow_mut()
381            .set_padding(spacing_new.clone());
382        _layouts[1]
383            .layout
384            .borrow_mut()
385            .set_padding(spacing_new.clone());
386
387        refresh_widgets(_widgets);
388
389        cast!(_widgets, text_widget6_id, TextWidget).set_text(format!("{}", bottom));
390    });
391
392    let mut text_widget7 = TextWidget::new(
393        String::from("assets/OpenSans-Regular.ttf"),
394        sdl2::ttf::FontStyle::NORMAL,
395        16,
396        TextJustify::Right,
397        String::from("Left:"),
398        make_points(20, 206),
399        make_size(70, 22),
400    );
401
402    text_widget7
403        .get_config()
404        .set_color(CONFIG_COLOR_TEXT, Color::RGB(0, 0, 0));
405
406    let mut text_widget8 = TextWidget::new(
407        String::from("assets/OpenSans-Regular.ttf"),
408        sdl2::ttf::FontStyle::NORMAL,
409        16,
410        TextJustify::Left,
411        String::from("0"),
412        make_points(100, 206),
413        make_size(40, 22),
414    );
415
416    text_widget8
417        .get_config()
418        .set_color(CONFIG_COLOR_TEXT, Color::RGB(0, 0, 255));
419
420    let mut button7 = PushButtonWidget::new(
421        make_points(130, 202),
422        make_size(50, 30),
423        String::from("<"),
424        20,
425    );
426
427    button7.set_color(CONFIG_COLOR_BORDER, Color::RGB(0, 0, 0));
428    button7.set_numeric(CONFIG_BORDER_WIDTH, 2);
429    button7.on_click(|_, _widgets, _layouts| {
430        let spacing = _layouts[0].layout.borrow_mut().get_padding().spacing;
431        let top = _layouts[0].layout.borrow_mut().get_padding().top;
432        let bottom = _layouts[0].layout.borrow_mut().get_padding().bottom;
433        let mut left = _layouts[0].layout.borrow_mut().get_padding().left - 1;
434        let right = _layouts[0].layout.borrow_mut().get_padding().right;
435        let text_widget8_id = widget_id_for_name(_widgets, String::from("text_widget8"));
436
437        if left <= 0 {
438            left = 0;
439        }
440
441        let spacing_new = PaddingConstraint::new(top, bottom, left, right, spacing);
442
443        _layouts[0]
444            .layout
445            .borrow_mut()
446            .set_padding(spacing_new.clone());
447        _layouts[1]
448            .layout
449            .borrow_mut()
450            .set_padding(spacing_new.clone());
451
452        refresh_widgets(_widgets);
453
454        cast!(_widgets, text_widget8_id, TextWidget).set_text(format!("{}", left));
455    });
456
457    let mut button8 = PushButtonWidget::new(
458        make_points(180, 202),
459        make_size(50, 30),
460        String::from(">"),
461        20,
462    );
463
464    button8.set_color(CONFIG_COLOR_BORDER, Color::RGB(0, 0, 0));
465    button8.set_numeric(CONFIG_BORDER_WIDTH, 2);
466    button8.on_click(|_, _widgets, _layouts| {
467        let spacing = _layouts[0].layout.borrow_mut().get_padding().spacing;
468        let top = _layouts[0].layout.borrow_mut().get_padding().top;
469        let bottom = _layouts[0].layout.borrow_mut().get_padding().bottom;
470        let mut left = _layouts[0].layout.borrow_mut().get_padding().left + 1;
471        let right = _layouts[0].layout.borrow_mut().get_padding().right;
472        let text_widget8_id = widget_id_for_name(_widgets, String::from("text_widget8"));
473
474        if left >= MAX_SPACING {
475            left = MAX_SPACING;
476        }
477
478        let spacing_new = PaddingConstraint::new(top, bottom, left, right, spacing);
479
480        _layouts[0]
481            .layout
482            .borrow_mut()
483            .set_padding(spacing_new.clone());
484        _layouts[1]
485            .layout
486            .borrow_mut()
487            .set_padding(spacing_new.clone());
488
489        refresh_widgets(_widgets);
490
491        cast!(_widgets, text_widget8_id, TextWidget).set_text(format!("{}", left));
492    });
493
494    let mut text_widget9 = TextWidget::new(
495        String::from("assets/OpenSans-Regular.ttf"),
496        sdl2::ttf::FontStyle::NORMAL,
497        16,
498        TextJustify::Right,
499        String::from("Right:"),
500        make_points(20, 236),
501        make_size(70, 22),
502    );
503
504    text_widget9
505        .get_config()
506        .set_color(CONFIG_COLOR_TEXT, Color::RGB(0, 0, 0));
507
508    let mut text_widget10 = TextWidget::new(
509        String::from("assets/OpenSans-Regular.ttf"),
510        sdl2::ttf::FontStyle::NORMAL,
511        16,
512        TextJustify::Left,
513        String::from("0"),
514        make_points(100, 236),
515        make_size(40, 22),
516    );
517
518    text_widget10
519        .get_config()
520        .set_color(CONFIG_COLOR_TEXT, Color::RGB(0, 0, 255));
521
522    let mut button9 = PushButtonWidget::new(
523        make_points(130, 232),
524        make_size(50, 30),
525        String::from("<"),
526        20,
527    );
528
529    button9.set_color(CONFIG_COLOR_BORDER, Color::RGB(0, 0, 0));
530    button9.set_numeric(CONFIG_BORDER_WIDTH, 2);
531    button9.on_click(|_, _widgets, _layouts| {
532        let spacing = _layouts[0].layout.borrow_mut().get_padding().spacing;
533        let top = _layouts[0].layout.borrow_mut().get_padding().top;
534        let bottom = _layouts[0].layout.borrow_mut().get_padding().bottom;
535        let left = _layouts[0].layout.borrow_mut().get_padding().left;
536        let mut right = _layouts[0].layout.borrow_mut().get_padding().right - 1;
537        let text_widget10_id = widget_id_for_name(_widgets, String::from("text_widget10"));
538
539        if right <= 0 {
540            right = 0;
541        }
542
543        let spacing_new = PaddingConstraint::new(top, bottom, left, right, spacing);
544
545        _layouts[0]
546            .layout
547            .borrow_mut()
548            .set_padding(spacing_new.clone());
549        _layouts[1]
550            .layout
551            .borrow_mut()
552            .set_padding(spacing_new.clone());
553
554        refresh_widgets(_widgets);
555
556        cast!(_widgets, text_widget10_id, TextWidget).set_text(format!("{}", right));
557    });
558
559    let mut button10 = PushButtonWidget::new(
560        make_points(180, 232),
561        make_size(50, 30),
562        String::from(">"),
563        20,
564    );
565
566    button10.set_color(CONFIG_COLOR_BORDER, Color::RGB(0, 0, 0));
567    button10.set_numeric(CONFIG_BORDER_WIDTH, 2);
568    button10.on_click(|_, _widgets, _layouts| {
569        let spacing = _layouts[0].layout.borrow_mut().get_padding().spacing;
570        let top = _layouts[0].layout.borrow_mut().get_padding().top;
571        let bottom = _layouts[0].layout.borrow_mut().get_padding().bottom;
572        let left = _layouts[0].layout.borrow_mut().get_padding().left;
573        let mut right = _layouts[0].layout.borrow_mut().get_padding().right + 1;
574        let text_widget10_id = widget_id_for_name(_widgets, String::from("text_widget10"));
575
576        if right >= MAX_SPACING {
577            right = MAX_SPACING;
578        }
579
580        let spacing_new = PaddingConstraint::new(top, bottom, left, right, spacing);
581
582        _layouts[0]
583            .layout
584            .borrow_mut()
585            .set_padding(spacing_new.clone());
586        _layouts[1]
587            .layout
588            .borrow_mut()
589            .set_padding(spacing_new.clone());
590
591        refresh_widgets(_widgets);
592
593        cast!(_widgets, text_widget10_id, TextWidget).set_text(format!("{}", right));
594    });
595
596    engine.add_widget(Box::new(text_widget1), String::from("text_widget1"));
597    engine.add_widget(Box::new(text_widget2), String::from("text_widget2"));
598    engine.add_widget(Box::new(button1), String::from("button1"));
599    engine.add_widget(Box::new(button2), String::from("button2"));
600    engine.add_widget(Box::new(text_widget3), String::from("text_widget3"));
601    engine.add_widget(Box::new(text_widget4), String::from("text_widget4"));
602    engine.add_widget(Box::new(button3), String::from("button3"));
603    engine.add_widget(Box::new(button4), String::from("button4"));
604    engine.add_widget(Box::new(text_widget5), String::from("text_widget5"));
605    engine.add_widget(Box::new(text_widget6), String::from("text_widget6"));
606    engine.add_widget(Box::new(button5), String::from("button5"));
607    engine.add_widget(Box::new(button6), String::from("button6"));
608    engine.add_widget(Box::new(text_widget7), String::from("text_widget7"));
609    engine.add_widget(Box::new(text_widget8), String::from("text_widget8"));
610    engine.add_widget(Box::new(button7), String::from("button7"));
611    engine.add_widget(Box::new(button8), String::from("button8"));
612    engine.add_widget(Box::new(text_widget9), String::from("text_widget9"));
613    engine.add_widget(Box::new(text_widget10), String::from("text_widget10"));
614    engine.add_widget(Box::new(button9), String::from("button9"));
615    engine.add_widget(Box::new(button10), String::from("button10"));
616
617    engine.run(sdl_context, window);
618}