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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: statbox.cpp | |
3 | // Purpose: wxStaticBox | |
4 | // Author: David Webster | |
5 | // Modified by: | |
6 | // Created: ??/??/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) David Webster | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // For compilers that support precompilation, includes "wx.h". | |
13 | #include "wx/wxprec.h" | |
14 | ||
15 | #include "wx/window.h" | |
16 | #include "wx/os2/private.h" | |
17 | ||
18 | #ifndef WX_PRECOMP | |
19 | #include "wx/app.h" | |
20 | #include "wx/dcclient.h" | |
21 | #endif | |
22 | ||
23 | #include "wx/statbox.h" | |
24 | ||
25 | IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl) | |
26 | ||
27 | BEGIN_EVENT_TABLE(wxStaticBox, wxControl) | |
28 | EVT_ERASE_BACKGROUND(wxStaticBox::OnEraseBackground) | |
29 | END_EVENT_TABLE() | |
30 | ||
31 | ||
32 | /* | |
33 | * Group box | |
34 | */ | |
35 | ||
36 | bool wxStaticBox::Create(wxWindow *parent, wxWindowID id, | |
37 | const wxString& label, | |
38 | const wxPoint& pos, | |
39 | const wxSize& size, | |
40 | long style, | |
41 | const wxString& name) | |
42 | { | |
43 | SetName(name); | |
44 | ||
45 | if (parent) parent->AddChild(this); | |
46 | ||
47 | SetBackgroundColour(parent->GetBackgroundColour()) ; | |
48 | SetForegroundColour(parent->GetForegroundColour()) ; | |
49 | ||
50 | if ( id == -1 ) | |
51 | m_windowId = (int)NewControlId(); | |
52 | else | |
53 | m_windowId = id; | |
54 | ||
55 | int x = pos.x; | |
56 | int y = pos.y; | |
57 | int width = size.x; | |
58 | int height = size.y; | |
59 | ||
60 | m_windowStyle = style; | |
61 | ||
62 | // TODO: | |
63 | /* | |
64 | long msStyle = BS_GROUPBOX | WS_CHILD | WS_VISIBLE ; // GROUP_FLAGS; | |
65 | ||
66 | bool want3D; | |
67 | WXDWORD exStyle = Determine3DEffects(0, &want3D) ; | |
68 | ||
69 | HWND wx_button = | |
70 | CreateWindowEx(exStyle, wxT("BUTTON"), (const wxChar *)label, msStyle, | |
71 | 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId, | |
72 | wxGetInstance(), NULL); | |
73 | #if wxUSE_CTL3D | |
74 | if (want3D) | |
75 | { | |
76 | Ctl3dSubclassCtl(wx_button); | |
77 | m_useCtl3D = TRUE; | |
78 | } | |
79 | #endif | |
80 | ||
81 | m_hWnd = (WXHWND)wx_button; | |
82 | ||
83 | // Subclass again for purposes of dialog editing mode | |
84 | SubclassWin(GetHWND()); | |
85 | ||
86 | SetFont(parent->GetFont()); | |
87 | ||
88 | SetSize(x, y, width, height); | |
89 | ShowWindow(wx_button, SW_SHOW); | |
90 | */ | |
91 | return FALSE; | |
92 | } | |
93 | ||
94 | wxSize wxStaticBox::DoGetBestSize() const | |
95 | { | |
96 | int cx, cy; | |
97 | wxGetCharSize(GetHWND(), &cx, &cy, (wxFont*)&GetFont()); | |
98 | ||
99 | int wBox; | |
100 | GetTextExtent(wxGetWindowText(m_hWnd), &wBox, &cy); | |
101 | ||
102 | wBox += 3*cx; | |
103 | int hBox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); | |
104 | ||
105 | return wxSize(wBox, hBox); | |
106 | } | |
107 | ||
108 | WXHBRUSH wxStaticBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, | |
109 | WXUINT message, | |
110 | WXWPARAM wParam, | |
111 | WXLPARAM lParam) | |
112 | { | |
113 | // TODO: | |
114 | /* | |
115 | if (GetParent()->GetTransparentBackground()) | |
116 | SetBkMode((HDC) pDC, TRANSPARENT); | |
117 | else | |
118 | SetBkMode((HDC) pDC, OPAQUE); | |
119 | ||
120 | ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue())); | |
121 | ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue())); | |
122 | ||
123 | wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID); | |
124 | ||
125 | // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush | |
126 | // has a zero usage count. | |
127 | // backgroundBrush->RealizeResource(); | |
128 | return (WXHBRUSH) backgroundBrush->GetResourceHandle(); | |
129 | */ | |
130 | return (WXHBRUSH)0; | |
131 | } | |
132 | ||
133 | // Shouldn't erase the whole window, since the static box must only paint its | |
134 | // outline. | |
135 | void wxStaticBox::OnEraseBackground(wxEraseEvent& event) | |
136 | { | |
137 | // If we don't have this (call Default()), we don't paint the background properly. | |
138 | // If we do have this, we seem to overwrite enclosed controls. | |
139 | // Is it the WS_CLIPCHILDREN style that's causing the problems? | |
140 | // Probably - without this style, the background of the window will show through, | |
141 | // so the control doesn't have to paint it. The window background will always be | |
142 | // painted before all other controls, therefore there are no problems with | |
143 | // controls being hidden by the static box. | |
144 | // So, if we could specify wxCLIP_CHILDREN in window, or not, we could optimise painting better. | |
145 | // We would assume wxCLIP_CHILDREN in a frame and a scrolled window, but not in a panel. | |
146 | // Is this too platform-specific?? What else can we do? Not a lot, since we have to pass | |
147 | // this information from arbitrary wxWindow derivatives, and it depends on what you wish to | |
148 | // do with the windows. | |
149 | // Alternatively, just make sure that wxStaticBox is always at the back! There are probably | |
150 | // few other circumstances where it matters about child clipping. But what about painting onto | |
151 | // to panel, inside a groupbox? Doesn't appear, because the box wipes it out. | |
152 | wxWindow *parent = GetParent(); | |
153 | // TODO: | |
154 | /* | |
155 | if ( parent && parent->GetHWND() && (::GetWindowLong((HWND) parent->GetHWND(), GWL_STYLE) & WS_CLIPCHILDREN) ) | |
156 | { | |
157 | // TODO: May in fact need to generate a paint event for inside this | |
158 | // control's rectangle, otherwise all controls are going to be clipped - | |
159 | // ugh. | |
160 | HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue())); | |
161 | int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT); | |
162 | ||
163 | RECT rect; | |
164 | ||
165 | ::GetClientRect(GetHwnd(), &rect); | |
166 | ::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush); | |
167 | ::DeleteObject(hBrush); | |
168 | ::SetMapMode((HDC) event.GetDC()->GetHDC(), mode); | |
169 | } | |
170 | else | |
171 | { | |
172 | event.Skip(); | |
173 | } | |
174 | */ | |
175 | } | |
176 | ||
177 | MRESULT wxStaticBox::OS2WindowProc(HWND hwnd, WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) | |
178 | { | |
179 | // TODO: | |
180 | /* | |
181 | if ( nMsg == WM_NCHITTEST) | |
182 | { | |
183 | int xPos = LOWORD(lParam); // horizontal position of cursor | |
184 | int yPos = HIWORD(lParam); // vertical position of cursor | |
185 | ||
186 | // ScreenToClient(&xPos, &yPos); | |
187 | ||
188 | // Make sure you can drag by the top of the groupbox, but let | |
189 | // other (enclosed) controls get mouse events also | |
190 | if (yPos < 10) | |
191 | return (long)HTCLIENT; | |
192 | } | |
193 | */ | |
194 | ||
195 | return wxControl::OS2WindowProc(hwnd, nMsg, wParam, lParam); | |
196 | } | |
197 | ||
198 |