mirror of https://github.com/vurtun/nuklear.git
293 lines
8.5 KiB
C
293 lines
8.5 KiB
C
#include "nuklear.h"
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#include "nuklear_internal.h"
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/* ===============================================================
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*
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* TEXT
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*
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* ===============================================================*/
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NK_LIB void
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nk_widget_text(struct nk_command_buffer *o, struct nk_rect b,
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const char *string, int len, const struct nk_text *t,
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nk_flags a, const struct nk_user_font *f)
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{
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struct nk_rect label;
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float text_width;
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NK_ASSERT(o);
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NK_ASSERT(t);
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if (!o || !t) return;
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b.h = NK_MAX(b.h, 2 * t->padding.y);
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label.x = 0; label.w = 0;
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label.y = b.y + t->padding.y;
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label.h = NK_MIN(f->height, b.h - 2 * t->padding.y);
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text_width = f->width(f->userdata, f->height, (const char*)string, len);
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text_width += (2.0f * t->padding.x);
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/* align in x-axis */
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if (a & NK_TEXT_ALIGN_LEFT) {
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label.x = b.x + t->padding.x;
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label.w = NK_MAX(0, b.w - 2 * t->padding.x);
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} else if (a & NK_TEXT_ALIGN_CENTERED) {
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label.w = NK_MAX(1, 2 * t->padding.x + (float)text_width);
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label.x = (b.x + t->padding.x + ((b.w - 2 * t->padding.x) - label.w) / 2);
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label.x = NK_MAX(b.x + t->padding.x, label.x);
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label.w = NK_MIN(b.x + b.w, label.x + label.w);
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if (label.w >= label.x) label.w -= label.x;
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} else if (a & NK_TEXT_ALIGN_RIGHT) {
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label.x = NK_MAX(b.x + t->padding.x, (b.x + b.w) - (2 * t->padding.x + (float)text_width));
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label.w = (float)text_width + 2 * t->padding.x;
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} else return;
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/* align in y-axis */
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if (a & NK_TEXT_ALIGN_MIDDLE) {
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label.y = b.y + b.h/2.0f - (float)f->height/2.0f;
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label.h = NK_MAX(b.h/2.0f, b.h - (b.h/2.0f + f->height/2.0f));
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} else if (a & NK_TEXT_ALIGN_BOTTOM) {
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label.y = b.y + b.h - f->height;
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label.h = f->height;
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}
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nk_draw_text(o, label, (const char*)string, len, f, t->background, t->text);
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}
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NK_LIB void
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nk_widget_text_wrap(struct nk_command_buffer *o, struct nk_rect b,
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const char *string, int len, const struct nk_text *t,
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const struct nk_user_font *f)
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{
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float width;
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int glyphs = 0;
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int fitting = 0;
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int done = 0;
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struct nk_rect line;
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struct nk_text text;
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NK_INTERN nk_rune seperator[] = {' '};
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NK_ASSERT(o);
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NK_ASSERT(t);
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if (!o || !t) return;
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text.padding = nk_vec2(0,0);
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text.background = t->background;
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text.text = t->text;
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b.w = NK_MAX(b.w, 2 * t->padding.x);
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b.h = NK_MAX(b.h, 2 * t->padding.y);
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b.h = b.h - 2 * t->padding.y;
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line.x = b.x + t->padding.x;
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line.y = b.y + t->padding.y;
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line.w = b.w - 2 * t->padding.x;
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line.h = 2 * t->padding.y + f->height;
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fitting = nk_text_clamp(f, string, len, line.w, &glyphs, &width, seperator,NK_LEN(seperator));
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while (done < len) {
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if (!fitting || line.y + line.h >= (b.y + b.h)) break;
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nk_widget_text(o, line, &string[done], fitting, &text, NK_TEXT_LEFT, f);
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done += fitting;
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line.y += f->height + 2 * t->padding.y;
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fitting = nk_text_clamp(f, &string[done], len - done, line.w, &glyphs, &width, seperator,NK_LEN(seperator));
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}
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}
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NK_API void
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nk_text_colored(struct nk_context *ctx, const char *str, int len,
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nk_flags alignment, struct nk_color color)
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{
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struct nk_window *win;
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const struct nk_style *style;
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struct nk_vec2 item_padding;
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struct nk_rect bounds;
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struct nk_text text;
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NK_ASSERT(ctx);
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NK_ASSERT(ctx->current);
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NK_ASSERT(ctx->current->layout);
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if (!ctx || !ctx->current || !ctx->current->layout) return;
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win = ctx->current;
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style = &ctx->style;
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nk_panel_alloc_space(&bounds, ctx);
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item_padding = style->text.padding;
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text.padding.x = item_padding.x;
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text.padding.y = item_padding.y;
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text.background = style->window.background;
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text.text = color;
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nk_widget_text(&win->buffer, bounds, str, len, &text, alignment, style->font);
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}
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NK_API void
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nk_text_wrap_colored(struct nk_context *ctx, const char *str,
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int len, struct nk_color color)
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{
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struct nk_window *win;
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const struct nk_style *style;
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struct nk_vec2 item_padding;
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struct nk_rect bounds;
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struct nk_text text;
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NK_ASSERT(ctx);
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NK_ASSERT(ctx->current);
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NK_ASSERT(ctx->current->layout);
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if (!ctx || !ctx->current || !ctx->current->layout) return;
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win = ctx->current;
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style = &ctx->style;
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nk_panel_alloc_space(&bounds, ctx);
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item_padding = style->text.padding;
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text.padding.x = item_padding.x;
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text.padding.y = item_padding.y;
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text.background = style->window.background;
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text.text = color;
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nk_widget_text_wrap(&win->buffer, bounds, str, len, &text, style->font);
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}
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#ifdef NK_INCLUDE_STANDARD_VARARGS
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NK_API void
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nk_labelf_colored(struct nk_context *ctx, nk_flags flags,
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struct nk_color color, const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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nk_labelfv_colored(ctx, flags, color, fmt, args);
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va_end(args);
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}
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NK_API void
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nk_labelf_colored_wrap(struct nk_context *ctx, struct nk_color color,
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const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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nk_labelfv_colored_wrap(ctx, color, fmt, args);
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va_end(args);
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}
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NK_API void
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nk_labelf(struct nk_context *ctx, nk_flags flags, const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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nk_labelfv(ctx, flags, fmt, args);
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va_end(args);
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}
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NK_API void
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nk_labelf_wrap(struct nk_context *ctx, const char *fmt,...)
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{
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va_list args;
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va_start(args, fmt);
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nk_labelfv_wrap(ctx, fmt, args);
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va_end(args);
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}
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NK_API void
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nk_labelfv_colored(struct nk_context *ctx, nk_flags flags,
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struct nk_color color, const char *fmt, va_list args)
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{
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char buf[256];
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nk_strfmt(buf, NK_LEN(buf), fmt, args);
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nk_label_colored(ctx, buf, flags, color);
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}
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NK_API void
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nk_labelfv_colored_wrap(struct nk_context *ctx, struct nk_color color,
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const char *fmt, va_list args)
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{
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char buf[256];
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nk_strfmt(buf, NK_LEN(buf), fmt, args);
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nk_label_colored_wrap(ctx, buf, color);
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}
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NK_API void
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nk_labelfv(struct nk_context *ctx, nk_flags flags, const char *fmt, va_list args)
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{
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char buf[256];
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nk_strfmt(buf, NK_LEN(buf), fmt, args);
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nk_label(ctx, buf, flags);
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}
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NK_API void
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nk_labelfv_wrap(struct nk_context *ctx, const char *fmt, va_list args)
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{
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char buf[256];
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nk_strfmt(buf, NK_LEN(buf), fmt, args);
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nk_label_wrap(ctx, buf);
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}
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NK_API void
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nk_value_bool(struct nk_context *ctx, const char *prefix, int value)
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{
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nk_labelf(ctx, NK_TEXT_LEFT, "%s: %s", prefix, ((value) ? "true": "false"));
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}
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NK_API void
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nk_value_int(struct nk_context *ctx, const char *prefix, int value)
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{
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nk_labelf(ctx, NK_TEXT_LEFT, "%s: %d", prefix, value);
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}
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NK_API void
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nk_value_uint(struct nk_context *ctx, const char *prefix, unsigned int value)
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{
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nk_labelf(ctx, NK_TEXT_LEFT, "%s: %u", prefix, value);
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}
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NK_API void
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nk_value_float(struct nk_context *ctx, const char *prefix, float value)
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{
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double double_value = (double)value;
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nk_labelf(ctx, NK_TEXT_LEFT, "%s: %.3f", prefix, double_value);
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}
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NK_API void
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nk_value_color_byte(struct nk_context *ctx, const char *p, struct nk_color c)
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{
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nk_labelf(ctx, NK_TEXT_LEFT, "%s: (%d, %d, %d, %d)", p, c.r, c.g, c.b, c.a);
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}
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NK_API void
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nk_value_color_float(struct nk_context *ctx, const char *p, struct nk_color color)
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{
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double c[4]; nk_color_dv(c, color);
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nk_labelf(ctx, NK_TEXT_LEFT, "%s: (%.2f, %.2f, %.2f, %.2f)",
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p, c[0], c[1], c[2], c[3]);
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}
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NK_API void
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nk_value_color_hex(struct nk_context *ctx, const char *prefix, struct nk_color color)
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{
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char hex[16];
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nk_color_hex_rgba(hex, color);
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nk_labelf(ctx, NK_TEXT_LEFT, "%s: %s", prefix, hex);
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}
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#endif
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NK_API void
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nk_text(struct nk_context *ctx, const char *str, int len, nk_flags alignment)
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{
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NK_ASSERT(ctx);
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if (!ctx) return;
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nk_text_colored(ctx, str, len, alignment, ctx->style.text.color);
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}
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NK_API void
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nk_text_wrap(struct nk_context *ctx, const char *str, int len)
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{
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NK_ASSERT(ctx);
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if (!ctx) return;
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nk_text_wrap_colored(ctx, str, len, ctx->style.text.color);
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}
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NK_API void
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nk_label(struct nk_context *ctx, const char *str, nk_flags alignment)
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{
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nk_text(ctx, str, nk_strlen(str), alignment);
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}
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NK_API void
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nk_label_colored(struct nk_context *ctx, const char *str, nk_flags align,
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struct nk_color color)
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{
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nk_text_colored(ctx, str, nk_strlen(str), align, color);
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}
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NK_API void
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nk_label_wrap(struct nk_context *ctx, const char *str)
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{
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nk_text_wrap(ctx, str, nk_strlen(str));
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}
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NK_API void
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nk_label_colored_wrap(struct nk_context *ctx, const char *str, struct nk_color color)
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{
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nk_text_wrap_colored(ctx, str, nk_strlen(str), color);
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}
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