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1 | #include <windows.h> |
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2 | #ifndef AUTO_WINSOCK |
3 | #ifdef WINSOCK_TWO |
4 | #include <winsock2.h> |
5 | #else |
6 | #include <winsock.h> |
7 | #endif |
8 | #endif |
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9 | #include <winreg.h> |
10 | #include <tchar.h> |
11 | #include <stdio.h> |
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12 | #include <stdlib.h> |
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13 | |
14 | #include "putty.h" |
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15 | #include "winstuff.h" |
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16 | |
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17 | static ATOM tip_class = 0; |
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18 | |
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19 | static HFONT tip_font; |
20 | static COLORREF tip_bg; |
21 | static COLORREF tip_text; |
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22 | |
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23 | static LRESULT CALLBACK SizeTipWndProc(HWND hWnd, UINT nMsg, |
24 | WPARAM wParam, LPARAM lParam) |
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25 | { |
26 | |
27 | switch (nMsg) { |
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28 | case WM_ERASEBKGND: |
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29 | return TRUE; |
30 | |
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31 | case WM_PAINT: |
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32 | { |
33 | HBRUSH hbr; |
34 | HGDIOBJ holdbr; |
35 | RECT cr; |
36 | int wtlen; |
37 | LPTSTR wt; |
38 | HDC hdc; |
39 | |
40 | PAINTSTRUCT ps; |
41 | hdc = BeginPaint(hWnd, &ps); |
42 | |
43 | SelectObject(hdc, tip_font); |
44 | SelectObject(hdc, GetStockObject(BLACK_PEN)); |
45 | |
46 | hbr = CreateSolidBrush(tip_bg); |
47 | holdbr = SelectObject(hdc, hbr); |
48 | |
49 | GetClientRect(hWnd, &cr); |
50 | Rectangle(hdc, cr.left, cr.top, cr.right, cr.bottom); |
51 | |
52 | wtlen = GetWindowTextLength(hWnd); |
53 | wt = (LPTSTR)malloc((wtlen+1)*sizeof(TCHAR)); |
54 | GetWindowText(hWnd, wt, wtlen+1); |
55 | |
56 | SetTextColor(hdc, tip_text); |
57 | SetBkColor(hdc, tip_bg); |
58 | |
59 | TextOut(hdc, cr.left+3, cr.top+3, wt, wtlen); |
60 | |
61 | free(wt); |
62 | |
63 | SelectObject(hdc, holdbr); |
64 | DeleteObject(hbr); |
65 | |
66 | EndPaint(hWnd, &ps); |
67 | } |
68 | return 0; |
69 | |
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70 | case WM_NCHITTEST: |
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71 | return HTTRANSPARENT; |
72 | |
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73 | case WM_DESTROY: |
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74 | DeleteObject(tip_font); |
75 | tip_font = NULL; |
76 | break; |
77 | |
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78 | case WM_SETTEXT: |
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79 | { |
80 | LPCTSTR str = (LPCTSTR)lParam; |
81 | SIZE sz; |
82 | HDC hdc = CreateCompatibleDC(NULL); |
83 | |
84 | SelectObject(hdc, tip_font); |
85 | GetTextExtentPoint32(hdc, str, _tcslen(str), &sz); |
86 | |
87 | SetWindowPos(hWnd, NULL, 0, 0, sz.cx+6, sz.cy+6, SWP_NOZORDER|SWP_NOMOVE|SWP_NOACTIVATE); |
88 | InvalidateRect(hWnd, NULL, FALSE); |
89 | |
90 | DeleteDC(hdc); |
91 | } |
92 | break; |
93 | } |
94 | |
95 | return DefWindowProc(hWnd, nMsg, wParam, lParam); |
96 | } |
97 | |
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98 | static HWND tip_wnd = NULL; |
99 | static int tip_enabled = 0; |
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100 | |
101 | void UpdateSizeTip(HWND src, int cx, int cy) |
102 | { |
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103 | TCHAR str[32]; |
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104 | |
105 | if (!tip_enabled) return; |
106 | |
107 | if (!tip_wnd) { |
108 | NONCLIENTMETRICS nci; |
109 | |
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110 | /* First make sure the window class is registered */ |
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111 | |
112 | if (!tip_class) { |
113 | WNDCLASS wc; |
114 | wc.style = CS_HREDRAW|CS_VREDRAW; |
115 | wc.lpfnWndProc = SizeTipWndProc; |
116 | wc.cbClsExtra = 0; |
117 | wc.cbWndExtra = 0; |
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118 | wc.hInstance = hinst; |
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119 | wc.hIcon = NULL; |
120 | wc.hCursor = NULL; |
121 | wc.hbrBackground = NULL; |
122 | wc.lpszMenuName = NULL; |
123 | wc.lpszClassName = "SizeTipClass"; |
124 | |
125 | tip_class = RegisterClass(&wc); |
126 | } |
127 | |
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128 | #if 0 |
129 | /* Default values based on Windows Standard color scheme */ |
130 | |
131 | tip_font = GetStockObject(SYSTEM_FONT); |
132 | tip_bg = RGB(255, 255, 225); |
133 | tip_text = RGB(0, 0, 0); |
134 | #endif |
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135 | |
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136 | /* Prepare other GDI objects and drawing info */ |
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137 | |
138 | tip_bg = GetSysColor(COLOR_INFOBK); |
139 | tip_text = GetSysColor(COLOR_INFOTEXT); |
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140 | |
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141 | memset(&nci, 0, sizeof(NONCLIENTMETRICS)); |
142 | nci.cbSize = sizeof(NONCLIENTMETRICS); |
143 | SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(NONCLIENTMETRICS), &nci, 0); |
144 | tip_font = CreateFontIndirect(&nci.lfStatusFont); |
145 | } |
146 | |
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147 | /* Generate the tip text */ |
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148 | |
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149 | sprintf(str, "%dx%d", cx, cy); |
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150 | |
151 | if (!tip_wnd) { |
152 | HDC hdc; |
153 | SIZE sz; |
154 | RECT wr; |
155 | int ix, iy; |
156 | |
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157 | /* calculate the tip's size */ |
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158 | |
159 | hdc = CreateCompatibleDC(NULL); |
160 | GetTextExtentPoint32(hdc, str, _tcslen(str), &sz); |
161 | DeleteDC(hdc); |
162 | |
163 | GetWindowRect(src, &wr); |
164 | |
165 | ix = wr.left; |
166 | if (ix<16) ix = 16; |
167 | |
168 | iy = wr.top - sz.cy; |
169 | if (iy<16) iy = 16; |
170 | |
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171 | /* Create the tip window */ |
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172 | |
173 | tip_wnd = CreateWindowEx(WS_EX_TOOLWINDOW|WS_EX_TOPMOST, MAKEINTRESOURCE(tip_class), str, WS_POPUP, |
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174 | ix, iy, sz.cx, sz.cy, |
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175 | NULL, NULL, hinst, NULL); |
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176 | |
177 | ShowWindow(tip_wnd, SW_SHOWNOACTIVATE); |
178 | |
179 | } else { |
180 | |
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181 | /* Tip already exists, just set the text */ |
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182 | |
183 | SetWindowText(tip_wnd, str); |
184 | } |
185 | } |
186 | |
187 | void EnableSizeTip(int bEnable) |
188 | { |
189 | if (tip_wnd && !bEnable) { |
190 | DestroyWindow(tip_wnd); |
191 | tip_wnd = NULL; |
192 | } |
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193 | |
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194 | tip_enabled = bEnable; |
195 | } |