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
160
|
/*
* pulldown
* makes a button that pops up a panel when hit
*/
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <event.h>
#include <panel.h>
#include "pldefs.h"
typedef struct Pulldown Pulldown;
struct Pulldown{
Icon *icon; /* button label */
Panel *pull; /* Panel to pull down */
int side; /* which side of the button to put the panel on */
Image *save; /* where to save what we draw the panel on */
};
void pl_drawpulldown(Panel *p){
pl_drawicon(p->b, pl_box(p->b, p->r, p->state), PLACECEN,
p->flags, ((Pulldown *)p->data)->icon);
}
int pl_hitpulldown(Panel *g, Mouse *m){
int oldstate, passon;
Rectangle r;
Panel *p, *hitme;
Pulldown *pp;
pp=g->data;
oldstate=g->state;
p=pp->pull;
hitme=0;
switch(g->state){
case UP:
if(!ptinrect(m->xy, g->r))
g->state=UP;
else if(m->buttons&7){
r=g->b->r;
p->flags&=~PLACE;
switch(pp->side){
case PACKN:
r.min.x=g->r.min.x;
r.max.y=g->r.min.y;
p->flags|=PLACESW;
break;
case PACKS:
r.min.x=g->r.min.x;
r.min.y=g->r.max.y;
p->flags|=PLACENW;
break;
case PACKE:
r.min.x=g->r.max.x;
r.min.y=g->r.min.y;
p->flags|=PLACENW;
break;
case PACKW:
r.max.x=g->r.min.x;
r.min.y=g->r.min.y;
p->flags|=PLACENE;
break;
case PACKCEN:
r.min=g->r.min;
p->flags|=PLACENW;
break;
}
plpack(p, r);
pp->save=allocimage(display, p->r, g->b->chan, 0, DNofill);
if(pp->save!=0) draw(pp->save, p->r, g->b, 0, p->r.min);
pl_invis(p, 0);
pldraw(p, g->b);
g->state=DOWN;
}
break;
case DOWN:
if(!ptinrect(m->xy, g->r)){
switch(pp->side){
default: SET(passon); break; /* doesn't happen */
case PACKN: passon=m->xy.y<g->r.min.y; break;
case PACKS: passon=m->xy.y>=g->r.max.y; break;
case PACKE: passon=m->xy.x>=g->r.max.x; break;
case PACKW: passon=m->xy.x<g->r.min.x; break;
case PACKCEN: passon=1; break;
}
if(passon){
hitme=p;
if((m->buttons&7)==0) g->state=UP;
}
else g->state=UP;
}
else if((m->buttons&7)==0) g->state=UP;
else hitme=p;
if(g->state!=DOWN && pp->save){
draw(g->b, p->r, pp->save, 0, p->r.min);
freeimage(pp->save);
pp->save=0;
pl_invis(p, 1);
hitme=p;
}
}
if(g->state!=oldstate) pldraw(g, g->b);
if(hitme) plmouse(hitme, m);
return g->state==DOWN;
}
void pl_typepulldown(Panel *p, Rune c){
USED(p, c);
}
Point pl_getsizepulldown(Panel *p, Point children){
USED(p, children);
return pl_boxsize(pl_iconsize(p->flags, ((Pulldown *)p->data)->icon), p->state);
}
void pl_childspacepulldown(Panel *p, Point *ul, Point *size){
USED(p, ul, size);
}
void plinitpulldown(Panel *v, int flags, Icon *icon, Panel *pullthis, int side){
Pulldown *pp;
pp=v->data;
v->flags=flags|LEAF;
v->draw=pl_drawpulldown;
v->hit=pl_hitpulldown;
v->type=pl_typepulldown;
v->getsize=pl_getsizepulldown;
v->childspace=pl_childspacepulldown;
pp->pull=pullthis;
pp->side=side;
pp->icon=icon;
v->kind="pulldown";
}
Panel *plpulldown(Panel *parent, int flags, Icon *icon, Panel *pullthis, int side){
Panel *v;
v=pl_newpanel(parent, sizeof(Pulldown));
v->state=UP;
((Pulldown *)v->data)->save=0;
plinitpulldown(v, flags, icon, pullthis, side);
return v;
}
Panel *plmenubar(Panel *parent, int flags, int cflags, Icon *l1, Panel *m1, Icon *l2, ...){
Panel *v;
va_list arg;
Icon *s;
int pulldir;
switch(cflags&PACK){
default:
SET(pulldir);
break;
case PACKE:
case PACKW:
pulldir=PACKS;
break;
case PACKN:
case PACKS:
pulldir=PACKE;
break;
}
v=plgroup(parent, flags);
va_start(arg, cflags);
while((s=va_arg(arg, Icon *))!=0)
plpulldown(v, cflags, s, va_arg(arg, Panel *), pulldir);
va_end(arg);
USED(l1, m1, l2);
v->kind="menubar";
return v;
}
|
