File: checkbox.c

package info (click to toggle)
d1x-rebirth 0.58.1-1.2
  • links: PTS, VCS
  • area: non-free
  • in suites: bookworm, bullseye, sid
  • size: 5,876 kB
  • sloc: ansic: 95,642; asm: 1,228; ada: 364; objc: 243; python: 121; cpp: 118; makefile: 23
file content (159 lines) | stat: -rw-r--r-- 3,981 bytes parent folder | download | duplicates (2)
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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/*
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
*/


#include <stdlib.h>
#include <string.h>

#include "u_mem.h"
#include "fix.h"
#include "pstypes.h"
#include "event.h"
#include "gr.h"
#include "ui.h"
#include "mouse.h"
#include "key.h"

#define Middle(x) ((2*(x)+1)/4)

void ui_draw_checkbox( UI_DIALOG *dlg, UI_GADGET_CHECKBOX * checkbox )
{
#if 0  //ndef OGL
	if ((checkbox->status==1) || (checkbox->position != checkbox->oldposition))
#endif
	{
		checkbox->status = 0;

		gr_set_current_canvas( checkbox->canvas );

		if (dlg->keyboard_focus_gadget == (UI_GADGET *)checkbox)
			gr_set_fontcolor( CRED, -1 );
		else
			gr_set_fontcolor( CBLACK, -1 );

		if (checkbox->position == 0 )
		{
			ui_draw_box_out( 0, 0, checkbox->width-1, checkbox->height-1 );
			if (checkbox->flag)
				ui_string_centered(  Middle(checkbox->width), Middle(checkbox->height), "X" );
			else
				ui_string_centered(  Middle(checkbox->width), Middle(checkbox->height), " " );
		} else {
			ui_draw_box_in( 0, 0, checkbox->width-1, checkbox->height-1 );
			if (checkbox->flag)
				ui_string_centered(  Middle(checkbox->width)+1, Middle(checkbox->height)+1, "X" );
			else
				ui_string_centered(  Middle(checkbox->width)+1, Middle(checkbox->height)+1, " " );
		}

		gr_ustring( checkbox->width+4, 2, checkbox->text );

	}
}


UI_GADGET_CHECKBOX * ui_add_gadget_checkbox( UI_DIALOG * dlg, short x, short y, short w, short h, short group, char * text )
{
	UI_GADGET_CHECKBOX * checkbox;

	checkbox = (UI_GADGET_CHECKBOX *)ui_gadget_add( dlg, 5, x, y, x+w-1, y+h-1 );

	checkbox->text = d_malloc(strlen(text) + 5);
	strcpy(checkbox->text,text);
	checkbox->width = w;
	checkbox->height = h;
	checkbox->position = 0;
	checkbox->oldposition = 0;
	checkbox->pressed = 0;
	checkbox->flag = 0;
	checkbox->group = group;

	return checkbox;

}


int ui_checkbox_do( UI_DIALOG *dlg, UI_GADGET_CHECKBOX * checkbox, d_event *event )
{
	int rval = 0;
	
	checkbox->oldposition = checkbox->position;
	checkbox->pressed = 0;

	if (event->type == EVENT_MOUSE_BUTTON_DOWN || event->type == EVENT_MOUSE_BUTTON_UP)
	{
		int OnMe;
		
		OnMe = ui_mouse_on_gadget( (UI_GADGET *)checkbox );
		
		if (B1_JUST_PRESSED && OnMe)
		{
			checkbox->position = 1;
			rval = 1;
		}
		else if (B1_JUST_RELEASED)
		{
			if ((checkbox->position==1) && OnMe)
				checkbox->pressed = 1;

			checkbox->position = 0;
		}
	}


	if (event->type == EVENT_KEY_COMMAND)
	{
		int key;
		
		key = event_key_get(event);
		
		if ((dlg->keyboard_focus_gadget==(UI_GADGET *)checkbox) && ((key==KEY_SPACEBAR) || (key==KEY_ENTER)) )
		{
			checkbox->position = 2;
			rval = 1;
		}
	}
	else if (event->type == EVENT_KEY_RELEASE)
	{
		int key;
		
		key = event_key_get(event);
		
		checkbox->position = 0;
		
		if ((dlg->keyboard_focus_gadget==(UI_GADGET *)checkbox) && ((key==KEY_SPACEBAR) || (key==KEY_ENTER)) )
			checkbox->pressed = 1;
	}
		
	if (checkbox->pressed == 1)
	{
		checkbox->flag ^= 1;
		ui_gadget_send_event(dlg, EVENT_UI_GADGET_PRESSED, (UI_GADGET *)checkbox);
		rval = 1;
	}

	if (event->type == EVENT_WINDOW_DRAW)
		ui_draw_checkbox( dlg, checkbox );

	return rval;
}

void ui_checkbox_check(UI_GADGET_CHECKBOX * checkbox, int check)
{
	check = check != 0;
	if (checkbox->flag == check)
		return;
	
	checkbox->flag = check;
	checkbox->status = 1;	// redraw
}