mirror of https://github.com/vurtun/nuklear.git
323 lines
11 KiB
C
323 lines
11 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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* SELECTABLE
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*
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* ===============================================================*/
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NK_LIB void
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nk_draw_selectable(struct nk_command_buffer *out,
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nk_flags state, const struct nk_style_selectable *style, int active,
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const struct nk_rect *bounds,
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const struct nk_rect *icon, const struct nk_image *img, enum nk_symbol_type sym,
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const char *string, int len, nk_flags align, const struct nk_user_font *font)
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{
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const struct nk_style_item *background;
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struct nk_text text;
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text.padding = style->padding;
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/* select correct colors/images */
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if (!active) {
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if (state & NK_WIDGET_STATE_ACTIVED) {
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background = &style->pressed;
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text.text = style->text_pressed;
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} else if (state & NK_WIDGET_STATE_HOVER) {
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background = &style->hover;
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text.text = style->text_hover;
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} else {
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background = &style->normal;
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text.text = style->text_normal;
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}
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} else {
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if (state & NK_WIDGET_STATE_ACTIVED) {
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background = &style->pressed_active;
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text.text = style->text_pressed_active;
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} else if (state & NK_WIDGET_STATE_HOVER) {
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background = &style->hover_active;
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text.text = style->text_hover_active;
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} else {
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background = &style->normal_active;
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text.text = style->text_normal_active;
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}
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}
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/* draw selectable background and text */
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if (background->type == NK_STYLE_ITEM_IMAGE) {
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nk_draw_image(out, *bounds, &background->data.image, nk_white);
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text.background = nk_rgba(0,0,0,0);
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} else {
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nk_fill_rect(out, *bounds, style->rounding, background->data.color);
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text.background = background->data.color;
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}
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if (icon) {
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if (img) nk_draw_image(out, *icon, img, nk_white);
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else nk_draw_symbol(out, sym, *icon, text.background, text.text, 1, font);
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}
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nk_widget_text(out, *bounds, string, len, &text, align, font);
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}
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NK_LIB int
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nk_do_selectable(nk_flags *state, struct nk_command_buffer *out,
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struct nk_rect bounds, const char *str, int len, nk_flags align, int *value,
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const struct nk_style_selectable *style, const struct nk_input *in,
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const struct nk_user_font *font)
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{
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int old_value;
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struct nk_rect touch;
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NK_ASSERT(state);
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NK_ASSERT(out);
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NK_ASSERT(str);
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NK_ASSERT(len);
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NK_ASSERT(value);
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NK_ASSERT(style);
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NK_ASSERT(font);
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if (!state || !out || !str || !len || !value || !style || !font) return 0;
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old_value = *value;
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/* remove padding */
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touch.x = bounds.x - style->touch_padding.x;
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touch.y = bounds.y - style->touch_padding.y;
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touch.w = bounds.w + style->touch_padding.x * 2;
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touch.h = bounds.h + style->touch_padding.y * 2;
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/* update button */
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if (nk_button_behavior(state, touch, in, NK_BUTTON_DEFAULT))
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*value = !(*value);
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/* draw selectable */
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if (style->draw_begin) style->draw_begin(out, style->userdata);
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nk_draw_selectable(out, *state, style, *value, &bounds, 0,0,NK_SYMBOL_NONE, str, len, align, font);
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if (style->draw_end) style->draw_end(out, style->userdata);
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return old_value != *value;
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}
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NK_LIB int
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nk_do_selectable_image(nk_flags *state, struct nk_command_buffer *out,
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struct nk_rect bounds, const char *str, int len, nk_flags align, int *value,
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const struct nk_image *img, const struct nk_style_selectable *style,
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const struct nk_input *in, const struct nk_user_font *font)
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{
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int old_value;
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struct nk_rect touch;
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struct nk_rect icon;
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NK_ASSERT(state);
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NK_ASSERT(out);
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NK_ASSERT(str);
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NK_ASSERT(len);
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NK_ASSERT(value);
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NK_ASSERT(style);
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NK_ASSERT(font);
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if (!state || !out || !str || !len || !value || !style || !font) return 0;
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old_value = *value;
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/* toggle behavior */
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touch.x = bounds.x - style->touch_padding.x;
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touch.y = bounds.y - style->touch_padding.y;
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touch.w = bounds.w + style->touch_padding.x * 2;
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touch.h = bounds.h + style->touch_padding.y * 2;
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if (nk_button_behavior(state, touch, in, NK_BUTTON_DEFAULT))
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*value = !(*value);
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icon.y = bounds.y + style->padding.y;
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icon.w = icon.h = bounds.h - 2 * style->padding.y;
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if (align & NK_TEXT_ALIGN_LEFT) {
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icon.x = (bounds.x + bounds.w) - (2 * style->padding.x + icon.w);
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icon.x = NK_MAX(icon.x, 0);
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} else icon.x = bounds.x + 2 * style->padding.x;
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icon.x += style->image_padding.x;
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icon.y += style->image_padding.y;
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icon.w -= 2 * style->image_padding.x;
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icon.h -= 2 * style->image_padding.y;
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/* draw selectable */
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if (style->draw_begin) style->draw_begin(out, style->userdata);
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nk_draw_selectable(out, *state, style, *value, &bounds, &icon, img, NK_SYMBOL_NONE, str, len, align, font);
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if (style->draw_end) style->draw_end(out, style->userdata);
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return old_value != *value;
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}
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NK_LIB int
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nk_do_selectable_symbol(nk_flags *state, struct nk_command_buffer *out,
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struct nk_rect bounds, const char *str, int len, nk_flags align, int *value,
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enum nk_symbol_type sym, const struct nk_style_selectable *style,
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const struct nk_input *in, const struct nk_user_font *font)
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{
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int old_value;
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struct nk_rect touch;
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struct nk_rect icon;
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NK_ASSERT(state);
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NK_ASSERT(out);
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NK_ASSERT(str);
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NK_ASSERT(len);
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NK_ASSERT(value);
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NK_ASSERT(style);
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NK_ASSERT(font);
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if (!state || !out || !str || !len || !value || !style || !font) return 0;
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old_value = *value;
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/* toggle behavior */
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touch.x = bounds.x - style->touch_padding.x;
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touch.y = bounds.y - style->touch_padding.y;
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touch.w = bounds.w + style->touch_padding.x * 2;
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touch.h = bounds.h + style->touch_padding.y * 2;
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if (nk_button_behavior(state, touch, in, NK_BUTTON_DEFAULT))
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*value = !(*value);
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icon.y = bounds.y + style->padding.y;
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icon.w = icon.h = bounds.h - 2 * style->padding.y;
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if (align & NK_TEXT_ALIGN_LEFT) {
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icon.x = (bounds.x + bounds.w) - (2 * style->padding.x + icon.w);
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icon.x = NK_MAX(icon.x, 0);
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} else icon.x = bounds.x + 2 * style->padding.x;
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icon.x += style->image_padding.x;
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icon.y += style->image_padding.y;
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icon.w -= 2 * style->image_padding.x;
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icon.h -= 2 * style->image_padding.y;
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/* draw selectable */
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if (style->draw_begin) style->draw_begin(out, style->userdata);
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nk_draw_selectable(out, *state, style, *value, &bounds, &icon, 0, sym, str, len, align, font);
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if (style->draw_end) style->draw_end(out, style->userdata);
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return old_value != *value;
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}
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NK_API int
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nk_selectable_text(struct nk_context *ctx, const char *str, int len,
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nk_flags align, int *value)
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{
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struct nk_window *win;
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struct nk_panel *layout;
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const struct nk_input *in;
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const struct nk_style *style;
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enum nk_widget_layout_states state;
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struct nk_rect bounds;
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NK_ASSERT(ctx);
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NK_ASSERT(value);
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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 || !value)
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return 0;
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win = ctx->current;
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layout = win->layout;
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style = &ctx->style;
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state = nk_widget(&bounds, ctx);
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if (!state) return 0;
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in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input;
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return nk_do_selectable(&ctx->last_widget_state, &win->buffer, bounds,
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str, len, align, value, &style->selectable, in, style->font);
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}
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NK_API int
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nk_selectable_image_text(struct nk_context *ctx, struct nk_image img,
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const char *str, int len, nk_flags align, int *value)
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{
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struct nk_window *win;
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struct nk_panel *layout;
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const struct nk_input *in;
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const struct nk_style *style;
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enum nk_widget_layout_states state;
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struct nk_rect bounds;
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NK_ASSERT(ctx);
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NK_ASSERT(value);
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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 || !value)
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return 0;
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win = ctx->current;
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layout = win->layout;
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style = &ctx->style;
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state = nk_widget(&bounds, ctx);
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if (!state) return 0;
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in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input;
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return nk_do_selectable_image(&ctx->last_widget_state, &win->buffer, bounds,
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str, len, align, value, &img, &style->selectable, in, style->font);
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}
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NK_API int
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nk_selectable_symbol_text(struct nk_context *ctx, enum nk_symbol_type sym,
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const char *str, int len, nk_flags align, int *value)
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{
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struct nk_window *win;
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struct nk_panel *layout;
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const struct nk_input *in;
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const struct nk_style *style;
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enum nk_widget_layout_states state;
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struct nk_rect bounds;
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NK_ASSERT(ctx);
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NK_ASSERT(value);
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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 || !value)
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return 0;
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win = ctx->current;
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layout = win->layout;
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style = &ctx->style;
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state = nk_widget(&bounds, ctx);
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if (!state) return 0;
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in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input;
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return nk_do_selectable_symbol(&ctx->last_widget_state, &win->buffer, bounds,
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str, len, align, value, sym, &style->selectable, in, style->font);
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}
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NK_API int
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nk_selectable_symbol_label(struct nk_context *ctx, enum nk_symbol_type sym,
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const char *title, nk_flags align, int *value)
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{
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return nk_selectable_symbol_text(ctx, sym, title, nk_strlen(title), align, value);
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}
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NK_API int nk_select_text(struct nk_context *ctx, const char *str, int len,
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nk_flags align, int value)
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{
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nk_selectable_text(ctx, str, len, align, &value);return value;
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}
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NK_API int nk_selectable_label(struct nk_context *ctx, const char *str, nk_flags align, int *value)
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{
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return nk_selectable_text(ctx, str, nk_strlen(str), align, value);
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}
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NK_API int nk_selectable_image_label(struct nk_context *ctx,struct nk_image img,
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const char *str, nk_flags align, int *value)
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{
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return nk_selectable_image_text(ctx, img, str, nk_strlen(str), align, value);
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}
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NK_API int nk_select_label(struct nk_context *ctx, const char *str, nk_flags align, int value)
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{
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nk_selectable_text(ctx, str, nk_strlen(str), align, &value);return value;
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}
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NK_API int nk_select_image_label(struct nk_context *ctx, struct nk_image img,
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const char *str, nk_flags align, int value)
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{
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nk_selectable_image_text(ctx, img, str, nk_strlen(str), align, &value);return value;
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}
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NK_API int nk_select_image_text(struct nk_context *ctx, struct nk_image img,
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const char *str, int len, nk_flags align, int value)
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{
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nk_selectable_image_text(ctx, img, str, len, align, &value);return value;
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}
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NK_API int
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nk_select_symbol_text(struct nk_context *ctx, enum nk_symbol_type sym,
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const char *title, int title_len, nk_flags align, int value)
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{
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nk_selectable_symbol_text(ctx, sym, title, title_len, align, &value);return value;
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}
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NK_API int
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nk_select_symbol_label(struct nk_context *ctx, enum nk_symbol_type sym,
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const char *title, nk_flags align, int value)
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{
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return nk_select_symbol_text(ctx, sym, title, nk_strlen(title), align, value);
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}
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