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123 lines
3.2 KiB
C++
123 lines
3.2 KiB
C++
#include <baselib/system.h>
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#include <engine/interface.h>
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#include "ui.h"
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/********************************************************
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UI
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*********************************************************/
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//static unsigned mouse_buttons_last = 0;
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struct pretty_font
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{
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float m_CharStartTable[256];
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float m_CharEndTable[256];
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int font_texture;
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};
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extern pretty_font *current_font;
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void gfx_pretty_text(float x, float y, float size, const char *text);
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static void *hot_item = 0;
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static void *active_item = 0;
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static void *becomming_hot_item = 0;
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static float mouse_x, mouse_y; // in gui space
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static float mouse_wx, mouse_wy; // in world space
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static unsigned mouse_buttons = 0;
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float ui_mouse_x() { return mouse_x; }
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float ui_mouse_y() { return mouse_y; }
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float ui_mouse_world_x() { return mouse_wx; }
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float ui_mouse_world_y() { return mouse_wy; }
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int ui_mouse_button(int index) { return (mouse_buttons>>index)&1; }
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void ui_set_hot_item(void *id) { becomming_hot_item = id; }
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void ui_set_active_item(void *id) { active_item = id; }
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void *ui_hot_item() { return hot_item; }
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void *ui_active_item() { return active_item; }
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int ui_update(float mx, float my, float mwx, float mwy, int buttons)
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{
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//mouse_buttons_last = mouse_buttons;
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mouse_x = mx;
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mouse_y = my;
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mouse_wx = mwx;
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mouse_wy = mwy;
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mouse_buttons = buttons;
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hot_item = becomming_hot_item;
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becomming_hot_item = 0;
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return 0;
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}
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/*
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static int ui_mouse_button_released(int index)
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{
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return ((mouse_buttons_last>>index)&1) && !();
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}*/
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int ui_mouse_inside(float x, float y, float w, float h)
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{
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if(mouse_x >= x && mouse_x <= x+w && mouse_y >= y && mouse_y <= y+h)
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return 1;
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return 0;
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}
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void ui_do_image(int texture, float x, float y, float w, float h)
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{
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gfx_blend_normal();
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gfx_texture_set(texture);
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gfx_quads_begin();
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gfx_quads_setcolor(1,1,1,1);
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gfx_quads_setsubset(
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0.0f, // startx
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0.0f, // starty
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1.0f, // endx
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1.0f); // endy
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gfx_quads_drawTL(x,y,w,h);
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gfx_quads_end();
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}
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void ui_do_label(float x, float y, const char *text, float size)
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{
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gfx_blend_normal();
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gfx_texture_set(current_font->font_texture);
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gfx_pretty_text(x, y, size, text);
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}
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int ui_do_button(void *id, const char *text, int checked, float x, float y, float w, float h, draw_button_callback draw_func, void *extra)
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{
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// logic
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int r = 0;
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int inside = ui_mouse_inside(x,y,w,h);
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if(inside)
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{
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ui_set_hot_item(id);
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if(ui_mouse_button(0))
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ui_set_active_item(id);
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}
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// this gets rid of an annoying bug :< (but it creates another annoying bug :O)
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if (!inside && ui_active_item() == id && !ui_mouse_button(0))
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ui_set_active_item(0);
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if(ui_active_item() == id && ui_hot_item() == id && !ui_mouse_button(0))
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{
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ui_set_active_item(0);
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r = 1;
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}
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if (!inside && ui_hot_item() == id)
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ui_set_hot_item(0);
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draw_func(id, text, checked, x, y, w, h, extra);
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return r;
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}
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int ui_do_button(void *id, const char *text, int checked, float x, float y, float w, float h, draw_button_callback draw_func)
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{
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return ui_do_button(id, text, checked, x, y, w, h, draw_func, 0x0);
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}
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