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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/msw/gauge.cpp
3 // Purpose: wxGauge class
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 01/02/97
7 // Copyright: (c) Julian Smart
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // ============================================================================
12 // declarations
13 // ============================================================================
14
15 // ----------------------------------------------------------------------------
16 // headers
17 // ----------------------------------------------------------------------------
18
19 // For compilers that support precompilation, includes "wx.h".
20 #include "wx/wxprec.h"
21
22 #ifdef __BORLANDC__
23 #pragma hdrstop
24 #endif
25
26 #if wxUSE_GAUGE
27
28 #include "wx/gauge.h"
29
30 #ifndef WX_PRECOMP
31 #include "wx/app.h"
32
33 #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
34 #endif
35
36 #include "wx/msw/private.h"
37
38 // ----------------------------------------------------------------------------
39 // constants
40 // ----------------------------------------------------------------------------
41
42 // old commctrl.h (< 4.71) don't have those
43 #ifndef PBS_SMOOTH
44 #define PBS_SMOOTH 0x01
45 #endif
46
47 #ifndef PBS_VERTICAL
48 #define PBS_VERTICAL 0x04
49 #endif
50
51 #ifndef PBM_SETBARCOLOR
52 #define PBM_SETBARCOLOR (WM_USER+9)
53 #endif
54
55 #ifndef PBM_SETBKCOLOR
56 #define PBM_SETBKCOLOR 0x2001
57 #endif
58
59 #ifndef PBS_MARQUEE
60 #define PBS_MARQUEE 0x08
61 #endif
62
63 #ifndef PBM_SETMARQUEE
64 #define PBM_SETMARQUEE (WM_USER+10)
65 #endif
66
67 // ----------------------------------------------------------------------------
68 // wxWin macros
69 // ----------------------------------------------------------------------------
70
71 // ============================================================================
72 // wxGauge implementation
73 // ============================================================================
74
75 // ----------------------------------------------------------------------------
76 // wxGauge creation
77 // ----------------------------------------------------------------------------
78
79 bool wxGauge::Create(wxWindow *parent,
80 wxWindowID id,
81 int range,
82 const wxPoint& pos,
83 const wxSize& size,
84 long style,
85 const wxValidator& validator,
86 const wxString& name)
87 {
88 if ( !CreateControl(parent, id, pos, size, style, validator, name) )
89 return false;
90
91 if ( !MSWCreateControl(PROGRESS_CLASS, wxEmptyString, pos, size) )
92 return false;
93
94 SetRange(range);
95
96 // in case we need to emulate indeterminate mode...
97 m_nDirection = wxRIGHT;
98
99 return true;
100 }
101
102 WXDWORD wxGauge::MSWGetStyle(long style, WXDWORD *exstyle) const
103 {
104 WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
105
106 if ( style & wxGA_VERTICAL )
107 msStyle |= PBS_VERTICAL;
108
109 if ( style & wxGA_SMOOTH )
110 msStyle |= PBS_SMOOTH;
111
112 return msStyle;
113 }
114
115 // ----------------------------------------------------------------------------
116 // wxGauge geometry
117 // ----------------------------------------------------------------------------
118
119 wxSize wxGauge::DoGetBestSize() const
120 {
121 // Windows HIG (http://msdn.microsoft.com/en-us/library/aa511279.aspx)
122 // suggest progress bar size of "107 or 237 x 8 dialog units". Let's use
123 // the smaller one.
124
125 if (HasFlag(wxGA_VERTICAL))
126 return ConvertDialogToPixels(wxSize(8, 107));
127 else
128 return ConvertDialogToPixels(wxSize(107, 8));
129 }
130
131 // ----------------------------------------------------------------------------
132 // wxGauge setters
133 // ----------------------------------------------------------------------------
134
135 void wxGauge::SetRange(int r)
136 {
137 // Changing range implicitly means we're using determinate mode.
138 if ( IsInIndeterminateMode() )
139 SetDeterminateMode();
140
141 m_rangeMax = r;
142
143 #ifdef PBM_SETRANGE32
144 ::SendMessage(GetHwnd(), PBM_SETRANGE32, 0, r);
145 #else // !PBM_SETRANGE32
146 // fall back to PBM_SETRANGE (limited to 16 bits)
147 ::SendMessage(GetHwnd(), PBM_SETRANGE, 0, MAKELPARAM(0, r));
148 #endif // PBM_SETRANGE32/!PBM_SETRANGE32
149 }
150
151 void wxGauge::SetValue(int pos)
152 {
153 // Setting the value implicitly means that we're using determinate mode.
154 if ( IsInIndeterminateMode() )
155 SetDeterminateMode();
156
157 if ( GetValue() != pos )
158 {
159 m_gaugePos = pos;
160
161 ::SendMessage(GetHwnd(), PBM_SETPOS, pos, 0);
162 }
163 }
164
165 bool wxGauge::SetForegroundColour(const wxColour& col)
166 {
167 if ( !wxControl::SetForegroundColour(col) )
168 return false;
169
170 ::SendMessage(GetHwnd(), PBM_SETBARCOLOR, 0, (LPARAM)wxColourToRGB(col));
171
172 return true;
173 }
174
175 bool wxGauge::SetBackgroundColour(const wxColour& col)
176 {
177 if ( !wxControl::SetBackgroundColour(col) )
178 return false;
179
180 ::SendMessage(GetHwnd(), PBM_SETBKCOLOR, 0, (LPARAM)wxColourToRGB(col));
181
182 return true;
183 }
184
185 bool wxGauge::IsInIndeterminateMode() const
186 {
187 return (::GetWindowLong(GetHwnd(), GWL_STYLE) & PBS_MARQUEE) != 0;
188 }
189
190 void wxGauge::SetIndeterminateMode()
191 {
192 // Switch the control into indeterminate mode if necessary.
193 if ( !IsInIndeterminateMode() )
194 {
195 const long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
196 ::SetWindowLong(GetHwnd(), GWL_STYLE, style | PBS_MARQUEE);
197 ::SendMessage(GetHwnd(), PBM_SETMARQUEE, TRUE, 0);
198 }
199 }
200
201 void wxGauge::SetDeterminateMode()
202 {
203 if ( IsInIndeterminateMode() )
204 {
205 const long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
206 ::SendMessage(GetHwnd(), PBM_SETMARQUEE, FALSE, 0);
207 ::SetWindowLong(GetHwnd(), GWL_STYLE, style & ~PBS_MARQUEE);
208 }
209 }
210
211 void wxGauge::Pulse()
212 {
213 if (wxApp::GetComCtl32Version() >= 600)
214 {
215 // switch to indeterminate mode if required
216 SetIndeterminateMode();
217
218 SendMessage(GetHwnd(), PBM_STEPIT, 0, 0);
219 }
220 else
221 {
222 // emulate indeterminate mode
223 wxGaugeBase::Pulse();
224 }
225 }
226
227 #endif // wxUSE_GAUGE