]> git.saurik.com Git - wxWidgets.git/blame_incremental - src/generic/tipwin.cpp
changed wxUSE_DRAGIMAG to wxUSE_DRAGIMAGE and use it everywhere now
[wxWidgets.git] / src / generic / tipwin.cpp
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1///////////////////////////////////////////////////////////////////////////////
2// Name: src/generic/tipwin.cpp
3// Purpose: implementation of wxTipWindow
4// Author: Vadim Zeitlin
5// Modified by:
6// Created: 10.09.00
7// RCS-ID: $Id$
8// Copyright: (c) 2000 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
9// Licence: wxWindows license
10///////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20#ifdef __GNUG__
21 #pragma implementation "tipwin.h"
22#endif
23
24// For compilers that support precompilatixon, includes "wx/wx.h".
25#include "wx/wxprec.h"
26
27#ifdef __BORLANDC__
28 #pragma hdrstop
29#endif
30
31#ifndef WX_PRECOMP
32 #include "wx/dcclient.h"
33#endif // WX_PRECOMP
34
35#include "wx/tipwin.h"
36#include "wx/timer.h"
37
38// ----------------------------------------------------------------------------
39// constants
40// ----------------------------------------------------------------------------
41
42static const wxCoord TEXT_MARGIN_X = 3;
43static const wxCoord TEXT_MARGIN_Y = 3;
44
45// ============================================================================
46// implementation
47// ============================================================================
48
49// ----------------------------------------------------------------------------
50// event tables
51// ----------------------------------------------------------------------------
52
53BEGIN_EVENT_TABLE(wxTipWindow, wxFrame)
54 EVT_LEFT_DOWN(wxTipWindow::OnMouseClick)
55 EVT_RIGHT_DOWN(wxTipWindow::OnMouseClick)
56 EVT_MIDDLE_DOWN(wxTipWindow::OnMouseClick)
57 EVT_KILL_FOCUS(wxTipWindow::OnKillFocus)
58 EVT_ACTIVATE(wxTipWindow::OnActivate)
59END_EVENT_TABLE()
60
61// Viewer window to put in the frame
62class wxTipWindowView: public wxWindow
63{
64public:
65 wxTipWindowView(wxWindow *parent);
66
67 // event handlers
68 void OnPaint(wxPaintEvent& event);
69 void OnMouseClick(wxMouseEvent& event);
70 void OnKillFocus(wxFocusEvent& event);
71
72 // calculate the client rect we need to display the text
73 void Adjust(const wxString& text, wxCoord maxLength);
74
75 long m_creationTime;
76
77 DECLARE_EVENT_TABLE()
78};
79
80BEGIN_EVENT_TABLE(wxTipWindowView, wxWindow)
81 EVT_PAINT(wxTipWindowView::OnPaint)
82 EVT_LEFT_DOWN(wxTipWindowView::OnMouseClick)
83 EVT_RIGHT_DOWN(wxTipWindowView::OnMouseClick)
84 EVT_MIDDLE_DOWN(wxTipWindowView::OnMouseClick)
85 EVT_KILL_FOCUS(wxTipWindowView::OnKillFocus)
86END_EVENT_TABLE()
87
88
89// ----------------------------------------------------------------------------
90// wxTipWindow
91// ----------------------------------------------------------------------------
92
93wxTipWindow::wxTipWindow(wxWindow *parent,
94 const wxString& text,
95 wxCoord maxLength, wxTipWindow** windowPtr)
96 : wxFrame(parent, -1, _T(""),
97 wxDefaultPosition, wxDefaultSize,
98 wxNO_BORDER | wxFRAME_FLOAT_ON_PARENT)
99{
100 // set colours
101 SetForegroundColour(*wxBLACK);
102
103#ifdef __WXMSW__
104 wxColour bkCol(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_INFOBK));
105#else
106 wxColour bkCol(wxColour(255, 255, 225));
107#endif
108 SetBackgroundColour(bkCol);
109
110 // set position and size
111 int x, y;
112 wxGetMousePosition(&x, &y);
113 Move(x, y + 20);
114
115 wxTipWindowView* tipWindowView = new wxTipWindowView(this);
116 tipWindowView->Adjust(text, maxLength);
117
118 m_windowPtr = windowPtr;
119
120 Show(TRUE);
121 tipWindowView->SetFocus();
122}
123
124wxTipWindow::~wxTipWindow()
125{
126 if (m_windowPtr)
127 {
128 *m_windowPtr = NULL;
129 }
130}
131
132void wxTipWindow::OnMouseClick(wxMouseEvent& WXUNUSED(event))
133{
134 Close();
135}
136
137void wxTipWindow::OnActivate(wxActivateEvent& event)
138{
139 if (!event.GetActive())
140 Close();
141}
142
143void wxTipWindow::OnKillFocus(wxFocusEvent& WXUNUSED(event))
144{
145 // Under Windows at least, we will get this immediately
146 // because when the view window is focussed, the
147 // tip window goes out of focus.
148#ifdef __WXGTK__
149 Close();
150#endif
151}
152
153// ----------------------------------------------------------------------------
154// wxTipWindowView
155// ----------------------------------------------------------------------------
156
157wxTipWindowView::wxTipWindowView(wxWindow *parent)
158 : wxWindow(parent, -1,
159 wxDefaultPosition, wxDefaultSize,
160 wxNO_BORDER)
161{
162 // set colours
163 SetForegroundColour(*wxBLACK);
164#ifdef __WXMSW__
165 wxColour bkCol(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_INFOBK));
166#else
167 wxColour bkCol(wxColour(255, 255, 225));
168#endif
169 SetBackgroundColour(bkCol);
170 m_creationTime = wxGetLocalTime();
171}
172
173void wxTipWindowView::Adjust(const wxString& text, wxCoord maxLength)
174{
175 wxTipWindow* parent = (wxTipWindow*) GetParent();
176 wxClientDC dc(this);
177 dc.SetFont(GetFont());
178
179 // calculate the length: we want each line be no longer than maxLength
180 // pixels and we only break lines at words boundary
181 wxString current;
182 wxCoord height, width,
183 widthMax = 0;
184 parent->m_heightLine = 0;
185
186 bool breakLine = FALSE;
187 for ( const wxChar *p = text.c_str(); ; p++ )
188 {
189 if ( *p == _T('\n') || *p == _T('\0') )
190 {
191 dc.GetTextExtent(current, &width, &height);
192 if ( width > widthMax )
193 widthMax = width;
194
195 if ( height > parent->m_heightLine )
196 parent->m_heightLine = height;
197
198 parent->m_textLines.Add(current);
199
200 if ( !*p )
201 {
202 // end of text
203 break;
204 }
205
206 current.clear();
207 breakLine = FALSE;
208 }
209 else if ( breakLine && (*p == _T(' ') || *p == _T('\t')) )
210 {
211 // word boundary - break the line here
212 parent->m_textLines.Add(current);
213 current.clear();
214 breakLine = FALSE;
215 }
216 else // line goes on
217 {
218 current += *p;
219 dc.GetTextExtent(current, &width, &height);
220 if ( width > maxLength )
221 breakLine = TRUE;
222
223 if ( width > widthMax )
224 widthMax = width;
225
226 if ( height > parent->m_heightLine )
227 parent->m_heightLine = height;
228 }
229 }
230
231 // take into account the border size and the margins
232 GetParent()->SetClientSize(2*(TEXT_MARGIN_X + 1) + widthMax,
233 2*(TEXT_MARGIN_Y + 1) + parent->m_textLines.GetCount()*parent->m_heightLine);
234}
235
236void wxTipWindowView::OnPaint(wxPaintEvent& WXUNUSED(event))
237{
238 wxTipWindow* parent = (wxTipWindow*) GetParent();
239 if (!parent)
240 return;
241
242 wxPaintDC dc(this);
243
244 wxRect rect;
245 wxSize size = GetClientSize();
246 rect.width = size.x;
247 rect.height = size.y;
248
249 // first filll the background
250 dc.SetBrush(wxBrush(GetBackgroundColour(), wxSOLID));
251
252 // Under Windows, you apparently get a thin black border whether you like it or not :-(
253#ifdef __WXMSW__
254 dc.SetPen( * wxTRANSPARENT_PEN );
255#else
256 dc.SetPen( * wxBLACK_PEN );
257#endif
258 dc.DrawRectangle(rect);
259
260 // and then draw the text line by line
261 dc.SetFont(GetFont());
262
263 wxPoint pt;
264 pt.x = TEXT_MARGIN_X;
265 pt.y = TEXT_MARGIN_Y;
266 size_t count = parent->m_textLines.GetCount();
267 for ( size_t n = 0; n < count; n++ )
268 {
269 dc.DrawText(parent->m_textLines[n], pt);
270
271 pt.y += parent->m_heightLine;
272 }
273}
274
275void wxTipWindowView::OnMouseClick(wxMouseEvent& WXUNUSED(event))
276{
277 GetParent()->Close();
278}
279
280void wxTipWindowView::OnKillFocus(wxFocusEvent& WXUNUSED(event))
281{
282 // Workaround the kill focus event happening just after creation in wxGTK
283 if (wxGetLocalTime() > m_creationTime + 1)
284 GetParent()->Close();
285}
286