WebSVN – Kolibri OS – Blame – /contrib/C_Layer/libguic_kolibri/kolibri_gui_elements.h

Rev	Author	Line No.	Line
6391	ashmew2	1	#ifndef KOLIBRI_GUI_ELEMENTS_H
		2	#define KOLIBRI_GUI_ELEMENTS_H
		3
		4	/* GUI Elements being used */
		5	#include "kolibri_editbox.h"
		6	#include "kolibri_checkbox.h"
		7	#include "kolibri_button.h"
		8
		9	/* enum KOLIBRI_GUI_ELEMENT_TYPE contains all available GUI items from box_lib */
		10	/* More elements can be added from other libraries as required */
		11	enum KOLIBRI_GUI_ELEMENT_TYPE {
		12	KOLIBRI_EDIT_BOX,
		13	KOLIBRI_CHECK_BOX,
		14	KOLIBRI_RADIO_BUTTON,
		15	KOLIBRI_SCROLL_BAR,
		16	KOLIBRI_DYNAMIC_BUTTON,
		17	KOLIBRI_MENU_BAR,
		18	KOLIBRI_FILE_BROWSER,
		19	KOLIBRI_TREE_LIST,
		20	KOLIBRI_PATH_SHOW,
		21	KOLIBRI_TEXT_EDITOR,
		22	KOLIBRI_FRAME,
		23	KOLIBRI_PROGRESS_BAR,
		24
		25	KOLIBRI_BUTTON,
		26
		27	/* Add elements above this element in order to let KOLIBRI_NUM_GUI_ELEMENTS */
		28	/* stay at correct value */
		29
		30	KOLIBRI_NUM_GUI_ELEMENTS
		31	};
		32
		33	/* Linked list which connects together all the elements drawn inside a GUI window */
		34	struct kolibri_window_element {
		35	enum KOLIBRI_GUI_ELEMENT_TYPE type;
		36	void *element;
		37	struct kolibri_window_element next, prev;
		38	};
		39
		40	/* Generic structure for supporting functions on various elements of Kolibri's GUI */
		41	struct kolibri_element_operations {
		42	void (redraw_fn)(void );
		43	void (mouse_fn)(void );
		44	void (key_fn)(void );
		45	};
		46
		47	/* Structure for a GUI Window on Kolibri. It also contains all the elements drawn in window */
		48	struct kolibri_window {
		49	unsigned int topleftx, toplefty;
		50	unsigned int sizex, sizey;
		51	char *window_title;
		52
		53	/* Refer to sysfuncs, value to be stored in EDX (Function 0) */
		54	unsigned int XY;
		55
		56	struct kolibri_window_element *elements;
		57	};
		58
		59	/---------------------End of Structure and enum definitions---------------/
		60	/---------------------Define various functions for initializing GUI-------/
		61
		62	/* Master table containing operations for various GUI elements in one place */
		63	struct kolibri_element_operations kolibri_gui_op_table[KOLIBRI_NUM_GUI_ELEMENTS];
		64
		65	void kolibri_init_gui_op_table(void)
		66	{
		67	/* Setting up functions for edit box GUI elements*/
		68	kolibri_gui_op_table[KOLIBRI_EDIT_BOX].redraw_fn = edit_box_draw;
		69	kolibri_gui_op_table[KOLIBRI_EDIT_BOX].mouse_fn = edit_box_mouse;
		70	kolibri_gui_op_table[KOLIBRI_EDIT_BOX].key_fn = editbox_key;
		71
		72	/* Setting up functions for check box GUI elements*/
		73	kolibri_gui_op_table[KOLIBRI_CHECK_BOX].redraw_fn = check_box_draw2;
		74	kolibri_gui_op_table[KOLIBRI_CHECK_BOX].mouse_fn = check_box_mouse2;
		75	kolibri_gui_op_table[KOLIBRI_CHECK_BOX].key_fn = NULL;
		76
		77	/* Setting up functions for Kolibri Buttons ( SysFunc 8 )*/
		78	kolibri_gui_op_table[KOLIBRI_BUTTON].redraw_fn = draw_button;
		79	kolibri_gui_op_table[KOLIBRI_BUTTON].mouse_fn = NULL;
		80	kolibri_gui_op_table[KOLIBRI_BUTTON].key_fn = NULL;
		81	}
		82
		83	/* Create a new main GUI window for KolibriOS */
		84	/* tl stands for TOP LEFT. x and y are coordinates. */
		85
		86	struct kolibri_window * kolibri_new_window(int tlx, int tly, int sizex, int sizey, char *title)
		87	{
		88	struct kolibri_window new_win = (struct kolibri_window )malloc(sizeof(struct kolibri_window));
		89
		90	new_win->topleftx = tlx;
		91	new_win->toplefty = tly;
		92	new_win->sizex = sizex;
		93	new_win->sizey = sizey;
		94	new_win->window_title = title;
		95	new_win->XY = 0x00000013; /* All windows are skinned windows with caption for now */
		96	new_win->elements = NULL;
		97
		98	return new_win;
		99	}
		100
		101	/* Add an element to an existing window */
		102	void kolibri_window_add_element(struct kolibri_window some_window, enum KOLIBRI_GUI_ELEMENT_TYPE element_type, void some_gui_element)
		103	{
		104	struct kolibri_window_element new_element = (struct kolibri_window_element )malloc(sizeof(struct kolibri_window_element));
		105
		106	new_element -> type = element_type;
		107	new_element -> element = some_gui_element;
		108
		109	if(!(some_window->elements)) /* No elements in window yet */
		110	{
		111	some_window->elements = new_element;
		112	some_window->elements -> prev = some_window->elements;
		113	some_window->elements -> next = some_window->elements;
		114	}
		115	else
		116	{
		117	struct kolibri_window_element *last_element = some_window -> elements -> prev;
		118
		119	last_element -> next = new_element;
		120	new_element -> next = some_window -> elements; /* start of linked list */
		121	some_window -> elements -> prev = new_element;
		122	new_element -> prev = last_element;
		123	}
		124	}
		125
		126	#endif /* KOLIBRI_GUI_ELEMENTS_H */

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(root)/contrib/C_Layer/libguic_kolibri/kolibri_gui_elements.h @ 6396 – Rev 6391