WebSVN – Kolibri OS – Blame – /contrib/C_Layer/INCLUDE/kolibri_gui.h

Rev	Author	Line No.	Line
6391	ashmew2	1	#ifndef KOLIBRI_GUI_H
		2	#define KOLIBRI_GUI_H
		3
6395	siemargl	4	#include /* for malloc() */
6391	ashmew2	5	#include
		6
		7	#include "kolibri_debug.h" /* work with debug board */
		8
		9	/* boxlib loader */
		10	#include "kolibri_boxlib.h"
		11
		12	/* All supported GUI elements included */
		13	#include "kolibri_gui_elements.h"
		14
		15	enum KOLIBRI_GUI_EVENTS {
		16	KOLIBRI_EVENT_REDRAW = 1, /* Window and window elements should be redrawn */
		17	KOLIBRI_EVENT_KEY = 2, /* A key on the keyboard was pressed */
		18	KOLIBRI_EVENT_BUTTON = 3, /* A button was clicked with the mouse */
		19	KOLIBRI_EVENT_MOUSE = 6 /* Mouse activity (movement, button press) was detected */
		20	};
		21
		22	void kolibri_handle_event_redraw(struct kolibri_window* some_window)
		23	{
		24	/* Draw windows with system color table. */
		25
		26	BeginDraw();
		27
6395	siemargl	28	DrawWindow(some_window->topleftx, some_window->toplefty,
6391	ashmew2	29	some_window->sizex, some_window->sizey,
		30	some_window->window_title,
		31	kolibri_color_table.color_work_area, some_window->XY);
6395	siemargl	32
6391	ashmew2	33	/* Enumerate and draw all window elements here */
		34	if(some_window->elements) /* Draw all elements added to window */
		35	{
6395	siemargl	36	struct kolibri_window_element* current_element = some_window -> elements;
		37
6391	ashmew2	38	do
		39	{
		40	/* The redraw_fn serves as draw_fn on initial draw */
		41	if(kolibri_gui_op_table[current_element -> type].redraw_fn)
		42	kolibri_gui_op_table[current_element -> type].redraw_fn(current_element -> element);
6395	siemargl	43
		44	//sie after fixing calling conventions no more needed
		45	/*
6391	ashmew2	46	switch(current_element -> type)
		47	{
		48	case KOLIBRI_EDIT_BOX:
		49	case KOLIBRI_CHECK_BOX:
6395	siemargl	50	__asm__ volatile("push $0x13371337"::); / * Random value pushed to balance stack * /
		51	/ * otherwise edit_box_draw leaves stack unbalanced * /
		52	/ * and GCC jumps like a crazy motha' fucka' * /
		53
6391	ashmew2	54	break;
		55	}
6395	siemargl	56	*/
		57	current_element = current_element -> next;
6391	ashmew2	58
		59	} while(current_element != some_window->elements); /* Have we covered all elements? */
		60	}
		61	}
		62
		63	void kolibri_handle_event_key(struct kolibri_window* some_window)
		64	{
		65	/* Enumerate and trigger key handling functions of window elements here */
6395	siemargl	66	if(some_window->elements)
6391	ashmew2	67	{
6395	siemargl	68	struct kolibri_window_element *current_element = some_window -> elements;
6391	ashmew2	69
		70	do
		71	{
		72	/* Only execute if the function pointer isn't NULL */
		73	if(kolibri_gui_op_table[current_element -> type].key_fn)
		74	kolibri_gui_op_table[current_element -> type].key_fn(current_element -> element);
6395	siemargl	75
6391	ashmew2	76	current_element = current_element -> next;
		77	} while(current_element != some_window->elements); /* Have we covered all elements? */
		78	}
		79	}
		80
		81	void kolibri_handle_event_mouse(struct kolibri_window* some_window)
		82	{
		83	/* Enumerate and trigger mouse handling functions of window elements here */
6395	siemargl	84	if(some_window->elements)
6391	ashmew2	85	{
6395	siemargl	86	struct kolibri_window_element *current_element = some_window -> elements;
6391	ashmew2	87
		88	do
		89	{
		90	if(kolibri_gui_op_table[current_element -> type].mouse_fn)
		91	kolibri_gui_op_table[current_element -> type].mouse_fn(current_element -> element);
		92
		93	current_element = current_element -> next;
6395	siemargl	94
6391	ashmew2	95	} while(current_element != some_window->elements); /* Have we covered all elements? */
		96	}
		97	}
		98
		99	void kolibri_exit(void)
		100	{
		101	__asm__ volatile ("int $0x40"::"a"(-1));
		102	}
		103
		104	int kolibri_gui_init(void)
		105	{
		106	int boxlib_init_status = kolibri_boxlib_init();
		107
6395	siemargl	108	if(boxlib_init_status == 0)
6391	ashmew2	109	debug_board_write_str("ashmew2 is happy: Kolibri GUI Successfully Initialized.\n");
6395	siemargl	110	else
6391	ashmew2	111	{
		112	debug_board_write_str("ashmew2 is sad: Kolibri GUI Failed to initialize.\n");
		113	kolibri_exit();
		114	}
		115
		116	/* Initialize the global operation table which handles event functions of */
		117	/* each individual element type */
		118	kolibri_init_gui_op_table();
		119
		120	/* Get the current color table for Kolibri and store in global table*/
		121	kolibri_get_system_colors(&kolibri_color_table);
		122
		123	/* Set up system events for buttons, mouse and keyboard and redraw */
		124	/* Also set filters so that window receives mouse events only when active
		125	and mouse inside window */
6395	siemargl	126	__asm__ volatile("int $0x40"::"a"(40), "b"(0xC0000027));
		127
		128	return boxlib_init_status;
6391	ashmew2	129	}
		130
6395	siemargl	131	/* Note: The current implementation tries to automatically colors
6391	ashmew2	132	GUI elements with system theme */
		133
		134	#endif /* KOLIBRI_GUI_H */

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(root)/contrib/C_Layer/INCLUDE/kolibri_gui.h – Rev 6456