86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
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#include "types.h"
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#include "ui.h"
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#include <string.h>
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#ifndef RGB
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#define RGB(r, g, b) ((r) | ((g) << 8) | ((b) << 16))
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#endif
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void _ui_Fill_Draw(System_UI *sys, ui_Part *part, uintptr_t user); // Defined in ui_render.cpp
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void _ui_Label_Draw(System_UI *sys, ui_Part *part, uintptr_t user); // Defined in ui_render.cpp
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void _ui_Label_UpdateShiny(System_UI *sys, ui_Part *part, uintptr_t user, Duration deltatime) {
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ui_Label *label = (ui_Label *)part->user;
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// Compute the new color
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int r, g, b;
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double now = time_Now().microseconds / 1e6;
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double cycle = fmod(now, 3.0);
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double prog = fmod(now, 1.0);
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if (cycle < 1.0) {
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r = 255;
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g = 255 * prog;
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b = 255 * (1 - prog);
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} else if (cycle < 2.0) {
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r = 255 * (1 - prog);
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g = 255;
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b = 255 * prog;
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} else {
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r = 255 * prog;
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g = 255 * (1 - prog);
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b = 255;
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}
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label->color = RGB(r, g, b);
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}
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void _ui_Label_Free(System_UI *sys, ui_Part *part, uintptr_t user) {
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ui_Label *label = (ui_Label *)part->user;
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if (label->label)
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free(label->label);
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}
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ui_Part ui_Label_New(Box2 box, const char *label_text, int alignment) {
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ui_Label *label = zero_malloc(sizeof(ui_Label));
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if (label_text && strlen(label_text) > 0)
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label->label = copy_malloc(label_text);
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label->align = alignment;
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label->color = RGB(255, 255, 255);
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ui_Part part = {
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.box = box,
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.progress = .0f,
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.hovered = false,
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.user = (uintptr_t)label,
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.draw = &_ui_Label_Draw,
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.update = NULL,
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.free = &_ui_Label_Free};
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return part;
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}
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void ui_Label_SetLabel(ui_Part *part, const char *label_text) {
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ui_Label *label = (ui_Label *)part->user;
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size_t len;
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if (label_text && (len = strlen(label_text)) > 0) {
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if (label->label) {
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label->label = realloc(label->label, len + 1);
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memcpy(label->label, label_text, len + 1);
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} else
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label->label = copy_malloc(label_text);
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} else {
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if (label->label) {
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free(label->label);
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label->label = NULL;
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}
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}
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}
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ui_Part ui_Fill_New(Box2 box, uint32_t color) {
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ui_Part part = {
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.box = box,
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.progress = .0f,
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.hovered = false,
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.user = (uintptr_t)color,
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.draw = &_ui_Fill_Draw,
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.update = NULL,
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.free = NULL};
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return part;
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}
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