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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/*
* ion/floatws/resize.c
*
* Copyright (c) Tuomo Valkonen 1999-2004.
*
* Ion is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*/
#include <ioncore/global.h>
#include <ioncore/resize.h>
#include <ioncore/grab.h>
#include <ioncore/binding.h>
#include <ioncore/signal.h>
#include <ioncore/focus.h>
#include "resize.h"
#include "floatframe.h"
#include "main.h"
enum{
VERTICAL,
HORIZONTAL
};
/*{{{ Keyboard resize handler */
static ExtlSafelist moveres_safe_funclist[]={
(ExtlExportedFn*)&floatframe_do_resize,
(ExtlExportedFn*)&floatframe_do_move,
(ExtlExportedFn*)&floatframe_end_resize,
(ExtlExportedFn*)&floatframe_cancel_resize,
NULL
};
static bool resize_handler(WRegion *reg, XEvent *xev)
{
XKeyEvent *ev=&xev->xkey;
WBinding *binding=NULL;
WBindmap **bindptr;
if(ev->type==KeyRelease)
return FALSE;
assert(reg!=NULL);
binding=lookup_binding(&floatframe_moveres_bindmap, ACT_KEYPRESS,
ev->state, ev->keycode);
if(!binding)
return FALSE;
if(binding!=NULL){
const ExtlSafelist *old_safelist=
extl_set_safelist(moveres_safe_funclist);
extl_call(binding->func, "o", NULL, reg);
extl_set_safelist(old_safelist);
}
return !is_resizing();
}
/*}}}*/
/*{{{ Resize timer */
static void tmr_end_resize(WTimer *unused)
{
if(end_resize())
grab_remove(resize_handler);
}
static WTimer resize_timer=INIT_TIMER(tmr_end_resize);
/*}}}*/
/*{{{ Keyboard resize interface */
static int sign(int x)
{
return (x>0 ? 1 : (x<0 ? -1 : 0));
}
static int limit_and_encode_mode(int *left, int *right,
int *top, int *bottom)
{
*left=sign(*left);
*right=sign(*right);
*top=sign(*top);
*bottom=sign(*bottom);
return (*left)+(*right)*3+(*top)*9+(*bottom)*27;
}
/*EXTL_DOC
* Shrink or grow \var{frame} one step in each direction.
* Acceptable values for the parameters \var{left}, \var{right}, \var{top}
* and \var{bottom} are as follows: -1: shrink along,
* 0: do not change, 1: grow along corresponding border.
*/
EXTL_EXPORT_MEMBER
void floatframe_do_resize(WFloatFrame *frame, int left, int right,
int top, int bottom)
{
int wu=0, hu=0;
int mode=0;
if(!may_resize((WRegion*)frame))
return;
genframe_resize_units((WGenFrame*)frame, &wu, &hu);
mode=3*limit_and_encode_mode(&left, &right, &top, &bottom);
resize_accel(&wu, &hu, mode);
delta_resize((WRegion*)frame, -left*wu, right*wu, -top*hu, bottom*hu,
NULL);
set_timer(&resize_timer, wglobal.resize_delay);
}
/*EXTL_DOC
* Move \var{frame} one step
* (must be in move/resize mode):
*
* \begin{tabular}{rl}
* \hline
* \var{horizmul}/\var{vertmul} & effect \\\hline
* -1 & Move left/up \\
* 0 & No effect \\
* 1 & Move right/down \\
* \end{tabular}
*/
EXTL_EXPORT_MEMBER
void floatframe_do_move(WFloatFrame *frame, int horizmul, int vertmul)
{
int mode=0, dummy=0;
if(!may_resize((WRegion*)frame))
return;
mode=1+3*limit_and_encode_mode(&horizmul, &vertmul, &dummy, &dummy);
resize_accel(&horizmul, &vertmul, mode);
delta_resize((WRegion*)frame, horizmul, horizmul, vertmul, vertmul, NULL);
set_timer(&resize_timer, wglobal.resize_delay);
}
/*EXTL_DOC
* Return from move/resize mode and apply changes unless opaque
* move/resize is enabled.
*/
EXTL_EXPORT_MEMBER
void floatframe_end_resize(WFloatFrame *frame)
{
if(end_resize()){
reset_timer(&resize_timer);
warp((WRegion*)frame);
grab_remove(resize_handler);
}
}
/*EXTL_DOC
* Return from move/resize cancelling changes if opaque
* move/resize has not been enabled.
*/
EXTL_EXPORT_MEMBER
void floatframe_cancel_resize(WFloatFrame *frame)
{
if(cancel_resize()){
reset_timer(&resize_timer);
warp((WRegion*)frame);
grab_remove(resize_handler);
}
}
/*EXTL_DOC
* Enter move/resize mode for \var{frame}. The bindings set with
* \fnref{floatframe_moveres_bindings} are used in this mode and of
* of the exported functions only \fnref{WFloatFrame.do_resize},
* \fnref{WFloatFrame.do_move}, \fnref{WFloatFrame.cancel_resize} and
* \fnref{WFloatFrame.end_resize} are allowed to be called.
*/
EXTL_EXPORT_MEMBER
void floatframe_begin_resize(WFloatFrame *frame)
{
if(!begin_resize((WRegion*)frame, NULL, FALSE))
return;
grab_establish((WRegion*)frame, resize_handler,
(GrabKilledHandler*)floatframe_cancel_resize, 0);
set_timer(&resize_timer, wglobal.resize_delay);
}
/*}}}*/
|
