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
|
// 9 october 2014
#define UNICODE
#define _UNICODE
#define STRICT
#define STRICT_TYPED_ITEMIDS
// get Windows version right; right now Windows XP
#define WINVER 0x0501
#define _WIN32_WINNT 0x0501
#define _WIN32_WINDOWS 0x0501 /* according to Microsoft's winperf.h */
#define _WIN32_IE 0x0600 /* according to Microsoft's sdkddkver.h */
#define NTDDI_VERSION 0x05010000 /* according to Microsoft's sdkddkver.h */
#include <windows.h>
#include <commctrl.h>
#include <stdint.h>
#include <uxtheme.h>
#include <string.h>
#include <wchar.h>
#include <windowsx.h>
#include <vsstyle.h>
#include <vssym32.h>
// #qo LIBS: user32 kernel32 gdi32
// TODO
// - investigate visual styles
// - put the client and non-client areas in the right place
// - make sure redrawing is correct (especially for backgrounds)
// - wine: BLACK_PEN draws a white line? (might change later so eh)
// - should the parent window appear deactivated?
HWND popover;
#define ARROWHEIGHT 8
#define ARROWWIDTH 8 /* should be the same for smooth lines */
LRESULT CALLBACK popoverproc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
PAINTSTRUCT ps;
HDC dc;
HRGN region;
POINT pt;
RECT r;
LONG width;
LONG height;
switch (uMsg) {
case WM_NCPAINT:
GetWindowRect(hwnd, &r);
width = r.right - r.left;
height = r.bottom - r.top;
dc = GetDCEx(hwnd, (HRGN) wParam, DCX_WINDOW | DCX_INTERSECTRGN);
if (dc == NULL) abort();
BeginPath(dc);
r.left = 0; r.top = 0; // everything's in device coordinates
pt.x = r.left;
pt.y = r.top + ARROWHEIGHT;
if (MoveToEx(dc, pt.x, pt.y, NULL) == 0) abort();
pt.y += height - ARROWHEIGHT;
if (LineTo(dc, pt.x, pt.y) == 0) abort();
pt.x += width;
LineTo(dc, pt.x, pt.y);
pt.y -= height - ARROWHEIGHT;
LineTo(dc, pt.x, pt.y);
pt.x -= (width / 2) - ARROWWIDTH;
LineTo(dc, pt.x, pt.y);
pt.x -= ARROWWIDTH;
pt.y -= ARROWHEIGHT;
LineTo(dc, pt.x, pt.y);
pt.x -= ARROWWIDTH;
pt.y += ARROWHEIGHT;
LineTo(dc, pt.x, pt.y);
pt.x = 0;
LineTo(dc, pt.x, pt.y);
EndPath(dc);
SetDCBrushColor(dc, RGB(255, 0, 0));
region = PathToRegion(dc);
FrameRgn(dc, region, GetStockObject(DC_BRUSH), 1, 1);
SetWindowRgn(hwnd, region, TRUE);
ReleaseDC(hwnd, dc);
return 0;
case WM_NCCALCSIZE:
break;
case WM_ERASEBKGND:
return (LRESULT) NULL;
case WM_PAINT:
/* dc = BeginPaint(hwnd, &ps);
GetClientRect(hwnd, &r);
FillRect(dc, &r, GetSysColorBrush(COLOR_ACTIVECAPTION));
EndPaint(hwnd, &ps);
*/ return 0;
}
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
LRESULT CALLBACK wndproc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (uMsg) {
case WM_COMMAND:
if (HIWORD(wParam) == BN_CLICKED && LOWORD(wParam) == 100) {
MoveWindow(popover, 50, 50, 200, 200, TRUE);
ShowWindow(popover, SW_SHOW);
UpdateWindow(popover);
return 0;
}
break;
case WM_CLOSE:
PostQuitMessage(0);
return 0;
}
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
int main(int argc, char *argv[])
{
WNDCLASSW wc;
HWND mainwin, button;
MSG msg;
ZeroMemory(&wc, sizeof (WNDCLASSW));
wc.lpszClassName = L"popover";
wc.lpfnWndProc = popoverproc;
wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
wc.style = CS_DROPSHADOW | CS_NOCLOSE;
if (RegisterClassW(&wc) == 0)
abort();
popover = CreateWindowExW(WS_EX_TOPMOST,
L"popover", L"",
WS_POPUP,
0, 0, 150, 100,
NULL, NULL, NULL, NULL);
if (popover == NULL)
abort();
ZeroMemory(&wc, sizeof (WNDCLASSW));
wc.lpszClassName = L"mainwin";
wc.lpfnWndProc = wndproc;
wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
if (RegisterClassW(&wc) == 0)
abort();
mainwin = CreateWindowExW(0,
L"mainwin", L"Main Window",
WS_OVERLAPPEDWINDOW,
0, 0, 150, 100,
NULL, NULL, NULL, NULL);
if (mainwin == NULL)
abort();
button = CreateWindowExW(0,
L"button", L"Click Me",
BS_PUSHBUTTON | WS_CHILD | WS_VISIBLE,
20, 20, 100, 40,
mainwin, (HMENU) 100, NULL, NULL);
if (button == NULL)
abort();
ShowWindow(mainwin, SW_SHOWDEFAULT);
if (UpdateWindow(mainwin) == 0)
abort();
while (GetMessageW(&msg, NULL, 0, 0) > 0) {
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
return 0;
}
|
