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65 lines
1.7 KiB
65 lines
1.7 KiB
#include <malloc.h>
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#include <stdio.h>
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#include "scenes.h"
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#include "liquid.h"
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#include "graphics/drawing.h"
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#include "scene_number.h"
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struct NumberScene {
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struct Scene base;
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struct NumberSceneOpts *opts;
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};
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static struct SceneEvent onInput(struct NumberScene *self, struct InputEvent event) {
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struct NumberSceneOpts *opts = self->opts;
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switch (event.kind) {
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case InputEventKind_Wheel:
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opts->value += event.wheel.delta;
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if (opts->value < opts->min) {
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opts->value = opts->min;
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}
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else if (opts->value > opts->max) {
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opts->value = opts->max;
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}
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return SceneEvent_Repaint();
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case InputEventKind_Button:
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if (event.button.state) {
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return SceneEvent_Close(opts->value, NULL);
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}
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// fall through
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default:
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return SceneEvent_None();
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}
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}
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static void paint(struct NumberScene *self)
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{
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struct NumberSceneOpts *opts = self->opts;
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LCD_clearDisplay(0);
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LCD_setStrEx(opts->label, 1, 1, BLACK, (struct TextStyle) {.size = FONT_BOLD});
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char buf[10];
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snprintf(buf, 10, "%d%s", opts->value, opts->unit);
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LCD_setStrEx(buf, 1, 9, BLACK, (struct TextStyle) {.size = FONT_DOUBLE});
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}
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static void deinit(struct NumberScene *self)
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{
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free(self->opts);
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self->opts = NULL;
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}
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struct Scene *NewScene_Number(struct NumberSceneOpts *opts) {
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struct NumberScene *scene = calloc(1, sizeof(struct NumberScene));
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if (!scene) return NULL;
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scene->opts = opts;
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scene->base.onInput = (Scene_onInput_t) onInput;
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scene->base.paint = (Scene_paint_t) paint;
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scene->base.deinit = (Scene_deinit_t) deinit;
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return (struct Scene *) scene;
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}
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