1 /*
2 * Theming - Edit control
3 *
4 * Copyright (c) 2005 by Frank Richter
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 *
20 */
21
22 #include <stdarg.h>
23 #include <string.h>
24 #include <stdlib.h>
25
26 #include "windef.h"
27 #include "winbase.h"
28 #include "wingdi.h"
29 #include "winuser.h"
30 #include "uxtheme.h"
31 #include "tmschema.h"
32 #include "comctl32.h"
33 #include "wine/debug.h"
34
35 /* Draw themed border */
36 static void nc_paint (HTHEME theme, HWND hwnd, HRGN region)
37 {
38 HRGN cliprgn = region;
39 DWORD exStyle = GetWindowLongW (hwnd, GWL_EXSTYLE);
40 if (exStyle & WS_EX_CLIENTEDGE)
41 {
42 HDC dc;
43 RECT r;
44 int cxEdge = GetSystemMetrics (SM_CXEDGE),
45 cyEdge = GetSystemMetrics (SM_CYEDGE);
46 int part = EP_EDITTEXT;
47 int state = ETS_NORMAL;
48 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
49
50 if (!IsWindowEnabled (hwnd))
51 state = ETS_DISABLED;
52 else if (dwStyle & ES_READONLY)
53 state = ETS_READONLY;
54 else if (GetFocus() == hwnd)
55 state = ETS_FOCUSED;
56
57 GetWindowRect(hwnd, &r);
58
59 /* New clipping region passed to default proc to exclude border */
60 cliprgn = CreateRectRgn (r.left + cxEdge, r.top + cyEdge,
61 r.right - cxEdge, r.bottom - cyEdge);
62 if (region != (HRGN)1)
63 CombineRgn (cliprgn, cliprgn, region, RGN_AND);
64 OffsetRect(&r, -r.left, -r.top);
65
66 dc = GetDCEx(hwnd, region, DCX_WINDOW|DCX_INTERSECTRGN);
67 OffsetRect(&r, -r.left, -r.top);
68
69 if (IsThemeBackgroundPartiallyTransparent (theme, part, state))
70 DrawThemeParentBackground(hwnd, dc, &r);
71 DrawThemeBackground (theme, dc, part, state, &r, 0);
72 ReleaseDC(hwnd, dc);
73 }
74
75 /* Call default proc to get the scrollbars etc. also painted */
76 DefWindowProcW (hwnd, WM_NCPAINT, (WPARAM)cliprgn, 0);
77 }
78
79 /**********************************************************************
80 * The edit control subclass window proc.
81 */
82 LRESULT CALLBACK THEMING_EditSubclassProc (HWND hwnd, UINT msg,
83 WPARAM wParam, LPARAM lParam,
84 ULONG_PTR dwRefData)
85 {
86 const WCHAR* themeClass = WC_EDITW;
87 HTHEME theme;
88 LRESULT result;
89
90 switch (msg)
91 {
92 case WM_CREATE:
93 result = THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
94 OpenThemeData( hwnd, themeClass );
95 return result;
96
97 case WM_DESTROY:
98 theme = GetWindowTheme( hwnd );
99 CloseThemeData ( theme );
100 return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
101
102 case WM_THEMECHANGED:
103 theme = GetWindowTheme( hwnd );
104 CloseThemeData ( theme );
105 OpenThemeData( hwnd, themeClass );
106 break;
107
108 case WM_SYSCOLORCHANGE:
109 theme = GetWindowTheme( hwnd );
110 if (!theme) return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
111 /* Do nothing. When themed, a WM_THEMECHANGED will be received, too,
112 * which will do the repaint. */
113 break;
114
115 case WM_NCPAINT:
116 theme = GetWindowTheme( hwnd );
117 if (!theme) return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
118 nc_paint (theme, hwnd, (HRGN)wParam);
119 break;
120
121 case WM_ENABLE:
122 theme = GetWindowTheme( hwnd );
123 if (theme) RedrawWindow (hwnd, NULL, NULL,
124 RDW_FRAME | RDW_INVALIDATE | RDW_UPDATENOW);
125 return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
126
127 default:
128 /* Call old proc */
129 return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
130 }
131 return 0;
132 }
133
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