1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
#ifndef KOLIBRI_GUI_H
#define KOLIBRI_GUI_H
#include "stdlib.h" /* for malloc() */
#include "kos32sys.h"
#include "kolibri_debug.h" /* work with debug board */
/* boxlib loader */
#include "kolibri_boxlib.h"
/* All supported GUI elements included */
#include "kolibri_gui_elements.h"
enum KOLIBRI_GUI_EVENTS {
KOLIBRI_EVENT_REDRAW = 1, /* Window and window elements should be redrawn */
KOLIBRI_EVENT_KEY = 2, /* A key on the keyboard was pressed */
KOLIBRI_EVENT_BUTTON = 3, /* A button was clicked with the mouse */
KOLIBRI_EVENT_MOUSE = 6 /* Mouse activity (movement, button press) was detected */
};
void kolibri_handle_event_redraw(struct kolibri_window* some_window)
{
/* Draw windows with system color table. */
BeginDraw();
DrawWindow(some_window->topleftx, some_window->toplefty,
some_window->sizex, some_window->sizey,
some_window->window_title,
kolibri_color_table.color_work_area, some_window->XY);
/* Enumerate and draw all window elements here */
if(some_window->elements) /* Draw all elements added to window */
{
struct kolibri_window_element* current_element = some_window -> elements;
do
{
/* The redraw_fn serves as draw_fn on initial draw */
if(kolibri_gui_op_table[current_element -> type].redraw_fn)
kolibri_gui_op_table[current_element -> type].redraw_fn(current_element -> element);
switch(current_element -> type)
{
case KOLIBRI_EDIT_BOX:
case KOLIBRI_CHECK_BOX:
__asm__ volatile("push $0x13371337"::); /* Random value pushed to balance stack */
/* otherwise edit_box_draw leaves stack unbalanced */
/* and GCC jumps like a crazy motha' fucka' */
break;
}
current_element = current_element -> next;
} while(current_element != some_window->elements); /* Have we covered all elements? */
}
}
void kolibri_handle_event_key(struct kolibri_window* some_window)
{
/* Enumerate and trigger key handling functions of window elements here */
if(some_window->elements)
{
struct kolibri_window_element *current_element = some_window -> elements;
do
{
/* Only execute if the function pointer isn't NULL */
if(kolibri_gui_op_table[current_element -> type].key_fn)
kolibri_gui_op_table[current_element -> type].key_fn(current_element -> element);
current_element = current_element -> next;
} while(current_element != some_window->elements); /* Have we covered all elements? */
}
}
void kolibri_handle_event_mouse(struct kolibri_window* some_window)
{
/* Enumerate and trigger mouse handling functions of window elements here */
if(some_window->elements)
{
struct kolibri_window_element *current_element = some_window -> elements;
do
{
if(kolibri_gui_op_table[current_element -> type].mouse_fn)
kolibri_gui_op_table[current_element -> type].mouse_fn(current_element -> element);
current_element = current_element -> next;
} while(current_element != some_window->elements); /* Have we covered all elements? */
}
}
void kolibri_exit(void)
{
__asm__ volatile ("int $0x40"::"a"(-1));
}
int kolibri_gui_init(void)
{
int boxlib_init_status = kolibri_boxlib_init();
if(boxlib_init_status == 0)
debug_board_write_str("ashmew2 is happy: Kolibri GUI Successfully Initialized.\n");
else
{
debug_board_write_str("ashmew2 is sad: Kolibri GUI Failed to initialize.\n");
kolibri_exit();
}
/* Initialize the global operation table which handles event functions of */
/* each individual element type */
kolibri_init_gui_op_table();
/* Get the current color table for Kolibri and store in global table*/
kolibri_get_system_colors(&kolibri_color_table);
/* Set up system events for buttons, mouse and keyboard and redraw */
/* Also set filters so that window receives mouse events only when active
and mouse inside window */
__asm__ volatile("int $0x40"::"a"(40), "b"(0xC0000027));
return 0;
}
/* Note: The current implementation tries to automatically colors
GUI elements with system theme */
#endif /* KOLIBRI_GUI_H */
|
