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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/generic/hyperlink.cpp | |
3 | // Purpose: Hyperlink control | |
4 | // Author: David Norris <danorris@gmail.com>, Otto Wyss | |
5 | // Modified by: Ryan Norton, Francesco Montorsi | |
6 | // Created: 04/02/2005 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 2005 David Norris | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | //--------------------------------------------------------------------------- | |
17 | // Pre-compiled header stuff | |
18 | //--------------------------------------------------------------------------- | |
19 | ||
20 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
21 | #pragma implementation "hyperlink.h" | |
22 | #endif | |
23 | ||
24 | // For compilers that support precompilation, includes "wx.h". | |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | #ifdef __BORLANDC__ | |
28 | #pragma hdrstop | |
29 | #endif | |
30 | ||
31 | #if wxUSE_HYPERLINKCTRL | |
32 | ||
33 | //--------------------------------------------------------------------------- | |
34 | // Includes | |
35 | //--------------------------------------------------------------------------- | |
36 | ||
37 | #include "wx/hyperlink.h" | |
38 | ||
39 | #ifndef WX_PRECOMP | |
40 | #include "wx/utils.h" // for wxLaunchDefaultBrowser | |
41 | #endif | |
42 | ||
43 | #include "wx/clipbrd.h" | |
44 | ||
45 | // ============================================================================ | |
46 | // implementation | |
47 | // ============================================================================ | |
48 | ||
49 | IMPLEMENT_DYNAMIC_CLASS(wxHyperlinkCtrl, wxControl) | |
50 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_HYPERLINK) | |
51 | ||
52 | // reserved for internal use only | |
53 | #define wxHYPERLINKCTRL_POPUP_COPY_ID 16384 | |
54 | ||
55 | // ---------------------------------------------------------------------------- | |
56 | // wxHyperlinkCtrl | |
57 | // ---------------------------------------------------------------------------- | |
58 | ||
59 | BEGIN_EVENT_TABLE(wxHyperlinkCtrl, wxControl) | |
60 | EVT_PAINT(wxHyperlinkCtrl::OnPaint) | |
61 | EVT_LEFT_DOWN(wxHyperlinkCtrl::OnLeftDown) | |
62 | EVT_LEFT_UP(wxHyperlinkCtrl::OnLeftUp) | |
63 | EVT_RIGHT_UP(wxHyperlinkCtrl::OnRightUp) | |
64 | EVT_ENTER_WINDOW(wxHyperlinkCtrl::OnEnterWindow) | |
65 | EVT_LEAVE_WINDOW(wxHyperlinkCtrl::OnLeaveWindow) | |
66 | ||
67 | // for the context menu | |
68 | EVT_MENU(wxHYPERLINKCTRL_POPUP_COPY_ID, wxHyperlinkCtrl::OnPopUpCopy) | |
69 | END_EVENT_TABLE() | |
70 | ||
71 | bool wxHyperlinkCtrl::Create(wxWindow *parent, wxWindowID id, | |
72 | const wxString& label, const wxString& url, const wxPoint& pos, | |
73 | const wxSize& size, long style, const wxString& name) | |
74 | { | |
75 | wxASSERT_MSG(!url.empty() || !label.empty(), | |
76 | wxT("Both URL and label are empty ?")); | |
77 | ||
78 | if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name)) | |
79 | return false; | |
80 | ||
81 | // set to non empty strings both the url and the label | |
82 | if(url.empty()) | |
83 | SetURL(label); | |
84 | else | |
85 | SetUrl(url); | |
86 | ||
87 | if(label.empty()) | |
88 | SetLabel(url); | |
89 | else | |
90 | SetLabel(label); | |
91 | ||
92 | // by default the cursor to use in this window is wxCURSOR_HAND | |
93 | SetCursor(wxCursor(wxCURSOR_HAND)); | |
94 | ||
95 | m_rollover = false; | |
96 | m_clicking = false; | |
97 | m_visited = false; | |
98 | ||
99 | // colours | |
100 | m_normalColour = *wxBLUE; | |
101 | m_hoverColour = *wxRED; | |
102 | SetForegroundColour(m_normalColour); | |
103 | ||
104 | // by default the font of an hyperlink control is underlined | |
105 | wxFont f = GetFont(); | |
106 | f.SetUnderlined(true); | |
107 | SetFont(f); | |
108 | ||
109 | CacheBestSize(DoGetBestSize()); | |
110 | SetMinSize(GetBestSize()); | |
111 | SetSize (DoGetBestSize()); | |
112 | ||
113 | return true; | |
114 | } | |
115 | ||
116 | wxSize wxHyperlinkCtrl::DoGetBestSize() const | |
117 | { | |
118 | int w, h; | |
119 | ||
120 | wxClientDC dc((wxWindow *)this); | |
121 | dc.SetFont(GetFont()); | |
122 | dc.GetTextExtent(GetLabel(), &w, &h); | |
123 | ||
124 | return wxSize(w, h); | |
125 | } | |
126 | ||
127 | void wxHyperlinkCtrl::DoGetSize(int *width, int *height) const | |
128 | { | |
129 | if (width) *width = GetBestSize().GetWidth(); | |
130 | if (height) *height = GetBestSize().GetHeight(); | |
131 | } | |
132 | ||
133 | void wxHyperlinkCtrl::SetNormalColour(const wxColour &colour) | |
134 | { | |
135 | m_normalColour = colour; | |
136 | if (!m_visited) | |
137 | { | |
138 | SetForegroundColour(m_normalColour); | |
139 | Refresh(); | |
140 | } | |
141 | } | |
142 | ||
143 | void wxHyperlinkCtrl::SetVisitedColour(const wxColour &colour) | |
144 | { | |
145 | m_visitedColour = colour; | |
146 | if (m_visited) | |
147 | { | |
148 | SetForegroundColour(m_visitedColour); | |
149 | Refresh(); | |
150 | } | |
151 | } | |
152 | ||
153 | void wxHyperlinkCtrl::DoContextMenu(const wxPoint &pos) | |
154 | { | |
155 | wxMenu *menuPopUp = new wxMenu(wxEmptyString, wxMENU_TEAROFF); | |
156 | menuPopUp->Append(wxHYPERLINKCTRL_POPUP_COPY_ID, wxT("Copy URL")); | |
157 | PopupMenu( menuPopUp, pos ); | |
158 | delete menuPopUp; | |
159 | } | |
160 | ||
161 | ||
162 | ||
163 | // ---------------------------------------------------------------------------- | |
164 | // wxHyperlinkCtrl - event handlers | |
165 | // ---------------------------------------------------------------------------- | |
166 | ||
167 | void wxHyperlinkCtrl::OnPaint(wxPaintEvent& WXUNUSED(event)) | |
168 | { | |
169 | wxPaintDC dc(this); | |
170 | dc.SetFont(GetFont()); | |
171 | dc.SetTextForeground(GetForegroundColour()); | |
172 | dc.SetTextBackground(GetBackgroundColour()); | |
173 | dc.DrawText(GetLabel(), 0, 0); | |
174 | } | |
175 | ||
176 | void wxHyperlinkCtrl::OnLeftDown(wxMouseEvent& WXUNUSED(event)) | |
177 | { | |
178 | m_clicking = true; | |
179 | } | |
180 | ||
181 | void wxHyperlinkCtrl::OnLeftUp(wxMouseEvent& WXUNUSED(event)) | |
182 | { | |
183 | if (!m_clicking) return; | |
184 | ||
185 | SetForegroundColour(m_visitedColour); | |
186 | m_visited = true; | |
187 | m_clicking = false; | |
188 | ||
189 | // send the event | |
190 | wxHyperlinkEvent linkEvent(this, GetId(), m_url); | |
191 | if (!GetEventHandler()->ProcessEvent(linkEvent)) // was the event skipped ? | |
192 | if (!wxLaunchDefaultBrowser(m_url)) | |
193 | wxLogWarning(wxT("Could not launch the default browser with url '%s' !"), m_url.c_str()); | |
194 | } | |
195 | ||
196 | void wxHyperlinkCtrl::OnRightUp(wxMouseEvent& event) | |
197 | { | |
198 | if( GetWindowStyle() & wxHL_CONTEXTMENU ) | |
199 | DoContextMenu(wxPoint(event.m_x, event.m_y)); | |
200 | } | |
201 | ||
202 | void wxHyperlinkCtrl::OnEnterWindow(wxMouseEvent& WXUNUSED(event)) | |
203 | { | |
204 | SetForegroundColour(m_hoverColour); | |
205 | m_rollover = true; | |
206 | Refresh(); | |
207 | } | |
208 | ||
209 | void wxHyperlinkCtrl::OnLeaveWindow(wxMouseEvent& WXUNUSED(event)) | |
210 | { | |
211 | if (m_rollover) | |
212 | { | |
213 | SetForegroundColour(!m_visited ? m_normalColour : m_visitedColour); | |
214 | m_rollover = false; | |
215 | Refresh(); | |
216 | } | |
217 | } | |
218 | ||
219 | void wxHyperlinkCtrl::OnPopUpCopy( wxCommandEvent& WXUNUSED(event) ) | |
220 | { | |
221 | if (!wxTheClipboard->Open()) | |
222 | return; | |
223 | ||
224 | wxTextDataObject *data = new wxTextDataObject( m_url ); | |
225 | wxTheClipboard->SetData( data ); | |
226 | wxTheClipboard->Close(); | |
227 | } | |
228 | ||
229 | #endif // wxUSE_HYPERLINKCTRL |