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
|
// 7 april 2015
#include "uipriv_windows.h"
struct button {
uiButton b;
void (*onClicked)(uiButton *, void *);
void *onClickedData;
};
static BOOL onWM_COMMAND(uiControl *c, WORD code, LRESULT *lResult)
{
struct button *b = (struct button *) c;
if (code != BN_CLICKED)
return FALSE;
(*(b->onClicked))(uiButton(b), b->onClickedData);
*lResult = 0;
return TRUE;
}
static BOOL onWM_NOTIFY(uiControl *c, NMHDR *nm, LRESULT *lResult)
{
return FALSE;
}
static void onWM_DESTROY(uiControl *c)
{
struct button *b = (struct button *) c;
uiFree(b);
}
// from http://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing
#define buttonHeight 14
static void preferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_t *height)
{
HWND hwnd;
SIZE size;
hwnd = uiControlHWND(c);
// try the comctl32 version 6 way
size.cx = 0; // explicitly ask for ideal size
size.cy = 0;
if (SendMessageW(hwnd, BCM_GETIDEALSIZE, 0, (LPARAM) (&size)) != FALSE) {
*width = size.cx;
*height = size.cy;
return;
}
// that didn't work; fall back to using Microsoft's metrics
// Microsoft says to use a fixed width for all buttons; this isn't good enough
// use the text width instead, with some edge padding
*width = uiWindowsWindowTextWidth(hwnd) + (2 * GetSystemMetrics(SM_CXEDGE));
*height = uiDlgUnitsToY(buttonHeight, d->sys->baseY);
}
static void defaultOnClicked(uiButton *b, void *data)
{
// do nothing
}
static char *getText(uiButton *b)
{
return uiWindowsControlText(uiControl(b));
}
static void setText(uiButton *b, const char *text)
{
uiWindowsControlSetText(uiControl(b), text);
}
static void setOnClicked(uiButton *bb, void (*f)(uiButton *, void *), void *data)
{
struct button *b = (struct button *) bb;
b->onClicked = f;
b->onClickedData = data;
}
uiButton *uiNewButton(const char *text)
{
struct button *b;
uiWindowsNewControlParams p;
WCHAR *wtext;
b = uiNew(struct button);
p.dwExStyle = 0;
p.lpClassName = L"button";
wtext = toUTF16(text);
p.lpWindowName = wtext;
p.dwStyle = BS_PUSHBUTTON | WS_TABSTOP;
p.hInstance = hInstance;
p.useStandardControlFont = TRUE;
p.onWM_COMMAND = onWM_COMMAND;
p.onWM_NOTIFY = onWM_NOTIFY;
p.onWM_DESTROY = onWM_DESTROY;
uiWindowsNewControl(uiControl(b), &p);
uiFree(wtext);
b->onClicked = defaultOnClicked;
uiControl(b)->PreferredSize = preferredSize;
uiButton(b)->Text = getText;
uiButton(b)->SetText = setText;
uiButton(b)->OnClicked = setOnClicked;
return uiButton(b);
}
|
