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fix memory leak in wxScreenDC, fixes #13249
[wxWidgets.git] / src / palmos / statbrpalm.cpp
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: src/palmos/statbrpalm.cpp
3 // Purpose: Implementation of wxStatusBar for PalmOS
4 // Author: William Osborne - minimal working wxPalmOS port
5 // Modified by: Wlodzimierz ABX Skiba - transition from faked drawing to native statusbar
6 // Created: 10/13/04
7 // RCS-ID: $Id$
8 // Copyright: (c) William Osborne, Wlodzimierz Skiba
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 // for compilers that support precompilation, includes "wx.h".
13 #include "wx/wxprec.h"
14
15 #ifdef __BORLANDC__
16 #pragma hdrstop
17 #endif
18
19 #if wxUSE_NATIVE_STATUSBAR
20
21 #include "wx/statusbr.h"
22
23 #ifndef WX_PRECOMP
24 #include "wx/frame.h"
25 #include "wx/settings.h"
26 #include "wx/dcclient.h"
27 #include "wx/intl.h"
28 #include "wx/log.h"
29 #endif
30
31 #ifdef __WXPALMOS6__
32 #include <StatusBar.h>
33 #else
34 #include <PenInputMgr.h>
35 #endif // __WXPALMOS6__
36
37 // ----------------------------------------------------------------------------
38 // macros
39 // ----------------------------------------------------------------------------
40
41 // ============================================================================
42 // implementation
43 // ============================================================================
44
45 // ----------------------------------------------------------------------------
46 // wxStatusBarPalm class
47 // ----------------------------------------------------------------------------
48
49 wxStatusBarPalm::wxStatusBarPalm()
50 {
51 SetParent(NULL);
52 }
53
54 bool wxStatusBarPalm::Create(wxWindow *parent,
55 wxWindowID id,
56 long style,
57 const wxString& name)
58 {
59 wxCHECK_MSG( parent, false, wxT("status bar must have a parent") );
60
61 StatusTextBuffer = NULL;
62
63 SetName(name);
64 SetParent(parent);
65 SetId( id == wxID_ANY ? NewControlId() : id );
66
67 parent->AddChild(this);
68
69 SetFieldsCount(1);
70
71 return true;
72 }
73
74 wxStatusBarPalm::~wxStatusBarPalm()
75 {
76 Show();
77
78 DeleteStatusBuffer();
79 }
80
81 bool wxStatusBarPalm::IsShown() const
82 {
83 return StatGetAttribute ( statAttrBarVisible , NULL );
84 }
85
86 bool wxStatusBarPalm::Show( bool show )
87 {
88 if(show)
89 {
90 // show it if hidden
91 if(IsShown())
92 return false;
93 status_t rc = StatShow();
94 wxCHECK_MSG( rc == errNone, false, wxT("cannot hide status bar") );
95 }
96 else
97 {
98 // hide it if shown
99 if(!IsShown())
100 return false;
101 status_t rc = StatHide();
102 wxCHECK_MSG( rc == errNone, false, wxT("cannot hide status bar") );
103 }
104 return true;
105 }
106
107 void wxStatusBarPalm::SetFieldsCount(int nFields, const int *widths)
108 {
109 // this is a Windows limitation
110 wxASSERT_MSG( (nFields > 0) && (nFields < 255), wxT("too many fields") );
111
112 wxStatusBarBase::SetFieldsCount(nFields, widths);
113
114 SetFieldsWidth();
115 }
116
117 void wxStatusBarPalm::SetStatusWidths(int n, const int widths[])
118 {
119 wxStatusBarBase::SetStatusWidths(n, widths);
120
121 SetFieldsWidth();
122 }
123
124 void wxStatusBarPalm::SetFieldsWidth()
125 {
126 // clear the status bar
127 DeleteStatusBuffer();
128 }
129
130 void wxStatusBarPalm::DoUpdateStatusText(int nField)
131 {
132 SetStatusBufferText(strText,nField);
133 DrawStatusBar();
134 }
135
136 void wxStatusBarPalm::DrawStatusBar()
137 {
138 #if 0
139 int i=0;
140 int leftPos=0;
141 wxArrayInt widthsAbs;
142 wxString text;
143
144 RectangleType EraseRect;
145 EraseRect.topLeft.x=0;
146 EraseRect.topLeft.y=160-FntCharHeight()-1;
147 EraseRect.extent.x=159;
148 EraseRect.extent.y=159;
149 WinEraseRectangle(&EraseRect,0);
150
151 if(m_nFields>0)
152 widthsAbs=CalculateAbsWidths(160 - 2*(m_nFields - 1));
153
154 for(i=0;i<m_nFields;i++)
155 {
156 text=GetStatusBufferText(i);
157 WinDrawTruncChars(text,StrLen(text),leftPos,160-FntCharHeight(),widthsAbs[i]);
158 leftPos+=widthsAbs[i]+2;
159 }
160 WinDrawLine(0,160-FntCharHeight()-1,159,160-FntCharHeight()-1);
161 #endif
162 }
163
164 void wxStatusBarPalm::SetStatusBufferText(const wxString& text, int number)
165 {
166 wxListString* st = GetOrCreateStatusBuffer(number);
167
168 wxString tmp1(text);
169 wxString* tmp = new wxString(tmp1);
170 st->Insert(tmp);
171 }
172
173 wxString wxStatusBarPalm::GetStatusBufferText(int number)
174 {
175 wxListString *st = GetStatusBufferStack(number);
176 if(st==0)
177 return wxEmptyString;
178
179 wxListString::compatibility_iterator top = st->GetFirst();
180 return(*top->GetData());
181 }
182
183 wxListString *wxStatusBarPalm::GetOrCreateStatusBuffer(int i)
184 {
185 if(!StatusTextBuffer)
186 {
187 StatusTextBuffer = new wxListString*[m_nFields];
188
189 size_t j;
190 for(j = 0; j < (size_t)m_nFields; ++j) StatusTextBuffer[j] = 0;
191 }
192
193 if(!StatusTextBuffer[i])
194 {
195 StatusTextBuffer[i] = new wxListString();
196 }
197 else
198 {
199 wxListString *st=StatusTextBuffer[i];
200 wxListString::compatibility_iterator top = st->GetFirst();
201 delete top->GetData();
202 st->Erase(top);
203 delete st;
204
205 StatusTextBuffer[i] = new wxListString();
206 }
207
208 return StatusTextBuffer[i];
209 }
210
211 wxListString *wxStatusBarPalm::GetStatusBufferStack(int i) const
212 {
213 if(!StatusTextBuffer)
214 return 0;
215 return StatusTextBuffer[i];
216 }
217
218 void wxStatusBarPalm::DeleteStatusBuffer()
219 {
220 if(!StatusTextBuffer)
221 {
222 return;
223 }
224
225 for(int i=0;i<m_nFields;i++)
226 {
227 if(StatusTextBuffer[i])
228 {
229 wxListString *st=StatusTextBuffer[i];
230 wxListString::compatibility_iterator top = st->GetFirst();
231 delete top->GetData();
232 st->Erase(top);
233 delete st;
234 StatusTextBuffer[i]=0;
235 }
236 }
237 delete[] m_statusTextStacks;
238 }
239
240 int wxStatusBarPalm::GetBorderX() const
241 {
242 return 0;
243 }
244
245 int wxStatusBarPalm::GetBorderY() const
246 {
247 return 0;
248 }
249
250 void wxStatusBarPalm::SetMinHeight(int height)
251 {
252 }
253
254 bool wxStatusBarPalm::GetFieldRect(int i, wxRect& rect) const
255 {
256 }
257
258 void wxStatusBarPalm::DoMoveWindow(int x, int y, int width, int height)
259 {
260 }
261
262 #endif // wxUSE_NATIVE_STATUSBAR