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6391 ashmew2 1 
#ifndef KOLIBRI_GUI_ELEMENTS_H
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#define KOLIBRI_GUI_ELEMENTS_H
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/* GUI Elements being used */
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#include "kolibri_editbox.h"
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#include "kolibri_checkbox.h"
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#include "kolibri_button.h"
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#include "kolibri_progressbar.h"
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#include "kolibri_frame.h"
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/* enum KOLIBRI_GUI_ELEMENT_TYPE contains all available GUI items from box_lib */
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/* More elements can be added from other libraries as required */
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enum KOLIBRI_GUI_ELEMENT_TYPE {
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  KOLIBRI_EDIT_BOX,
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  KOLIBRI_CHECK_BOX,
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  KOLIBRI_RADIO_BUTTON,
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  KOLIBRI_SCROLL_BAR,
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  KOLIBRI_DYNAMIC_BUTTON,
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  KOLIBRI_MENU_BAR,
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  KOLIBRI_FILE_BROWSER,
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  KOLIBRI_TREE_LIST,
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  KOLIBRI_PATH_SHOW,
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  KOLIBRI_TEXT_EDITOR,
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  KOLIBRI_FRAME,
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  KOLIBRI_PROGRESS_BAR,
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  KOLIBRI_BUTTON,
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  /* Add elements above this element in order to let KOLIBRI_NUM_GUI_ELEMENTS */
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  /* stay at correct value */
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  KOLIBRI_NUM_GUI_ELEMENTS
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};
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/* Linked list which connects together all the elements drawn inside a GUI window */
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struct kolibri_window_element {
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  enum KOLIBRI_GUI_ELEMENT_TYPE type;
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  void *element;
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  struct kolibri_window_element *next, *prev;
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};
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typedef void (*cb_elem_boxlib)(void *) __attribute__((__stdcall__));
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/* Generic structure for supporting functions on various elements of Kolibri's GUI */
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struct kolibri_element_operations {
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 	cb_elem_boxlib 	redraw_fn;
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 	cb_elem_boxlib 	mouse_fn;
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 	cb_elem_boxlib 	key_fn;
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};
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/* Structure for a GUI Window on Kolibri. It also contains all the elements drawn in window */
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struct kolibri_window {
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  unsigned int topleftx, toplefty;
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  unsigned int sizex, sizey;
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  char *window_title;
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  /* Refer to sysfuncs, value to be stored in EDX (Function 0) */
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  unsigned int XY;
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  struct kolibri_window_element *elements;
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};
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/*---------------------End of Structure and enum definitions---------------*/
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/*---------------------Define various functions for initializing GUI-------*/
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/* Master table containing operations for various GUI elements in one place */
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struct kolibri_element_operations kolibri_gui_op_table[KOLIBRI_NUM_GUI_ELEMENTS];
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void kolibri_init_gui_op_table(void)
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{
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/* Setting up functions for edit box GUI elements*/
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kolibri_gui_op_table[KOLIBRI_EDIT_BOX].redraw_fn = (cb_elem_boxlib)edit_box_draw;
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kolibri_gui_op_table[KOLIBRI_EDIT_BOX].mouse_fn = (cb_elem_boxlib)edit_box_mouse;
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kolibri_gui_op_table[KOLIBRI_EDIT_BOX].key_fn = (cb_elem_boxlib)editbox_key;
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/* Setting up functions for check box GUI elements*/
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kolibri_gui_op_table[KOLIBRI_CHECK_BOX].redraw_fn = (cb_elem_boxlib)check_box_draw2;
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kolibri_gui_op_table[KOLIBRI_CHECK_BOX].mouse_fn = (cb_elem_boxlib)check_box_mouse2;
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kolibri_gui_op_table[KOLIBRI_CHECK_BOX].key_fn = NULL;
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/* Setting up functions for Kolibri Buttons ( SysFunc 8 )*/
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kolibri_gui_op_table[KOLIBRI_BUTTON].redraw_fn = (cb_elem_boxlib)draw_button;
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kolibri_gui_op_table[KOLIBRI_BUTTON].mouse_fn = NULL;
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kolibri_gui_op_table[KOLIBRI_BUTTON].key_fn = NULL;
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/* Setting up functions for progress bar GUI elements*/
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kolibri_gui_op_table[KOLIBRI_PROGRESS_BAR].redraw_fn = (cb_elem_boxlib)progressbar_draw;
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kolibri_gui_op_table[KOLIBRI_PROGRESS_BAR].mouse_fn = NULL;
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kolibri_gui_op_table[KOLIBRI_PROGRESS_BAR].key_fn = NULL;
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/* Setting up functions for frame GUI elements*/
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kolibri_gui_op_table[KOLIBRI_FRAME].redraw_fn = (cb_elem_boxlib)frame_draw;
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kolibri_gui_op_table[KOLIBRI_FRAME].mouse_fn = NULL;
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kolibri_gui_op_table[KOLIBRI_FRAME].key_fn = NULL;
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}
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/* Create a new main GUI window for KolibriOS */
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/* tl stands for TOP LEFT. x and y are coordinates. */
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struct kolibri_window * kolibri_new_window(int tlx, int tly, int sizex, int sizey, char *title)
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{
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  struct kolibri_window *new_win = (struct kolibri_window *)malloc(sizeof(struct kolibri_window));
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  new_win->topleftx = tlx;
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  new_win->toplefty = tly;
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  new_win->sizex = sizex;
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  new_win->sizey = sizey;
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  new_win->window_title = title;
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  new_win->XY = 0x00000013; /* All windows are skinned windows with caption for now */
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  new_win->elements = NULL;
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  return new_win;
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}
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/* Add an element to an existing window */
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void kolibri_window_add_element(struct kolibri_window *some_window, enum KOLIBRI_GUI_ELEMENT_TYPE element_type, void *some_gui_element)
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{
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  struct kolibri_window_element *new_element = (struct kolibri_window_element *)malloc(sizeof(struct kolibri_window_element));
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  new_element -> type = element_type;
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  new_element -> element = some_gui_element;
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  if(!(some_window->elements)) /* No elements in window yet */
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    {
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      some_window->elements = new_element;
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      some_window->elements -> prev = some_window->elements;
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      some_window->elements -> next = some_window->elements;
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    }
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  else
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    {
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      struct kolibri_window_element *last_element = some_window -> elements -> prev;
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      last_element -> next = new_element;
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      new_element -> next = some_window -> elements; /* start of linked list  */
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      some_window -> elements -> prev = new_element;
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      new_element -> prev = last_element;
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    }
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}
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#endif /* KOLIBRI_GUI_ELEMENTS_H */