// definitions
// ----------------------------------------------------------------------------
-#define MAX_LINES 200
+#define MAX_LINES 10000
// ----------------------------------------------------------------------------
// private classes
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
void OnModeVScroll(wxCommandEvent& event);
+ void OnModeHScroll(wxCommandEvent& event);
void OnModeHVScroll(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
}
private:
- // any class wishing to process wxWidgets events must use this macro
- DECLARE_EVENT_TABLE()
-
// either a wxVScrolledWindow or a wxHVScrolled window, depending on current mode
wxPanel *m_scrollWindow;
+
+ // any class wishing to process wxWidgets events must use this macro
+ DECLARE_EVENT_TABLE()
};
class VScrollWindow : public wxVScrolledWindow
{
m_frame = frame;
- SetLineCount(MAX_LINES);
+ SetRowCount(MAX_LINES);
int i;
for ( i = 0; i < MAX_LINES; ++i )
- m_heights[i] = rand()%25+16; // low: 15; high: 40
-
+ m_heights[i] = rand()%25+16; // low: 16; high: 40
+
m_changed = true;
}
{
dc.DrawLine(0, y, clientSize.GetWidth(), y);
- wxCoord hLine = OnGetLineHeight(line);
+ wxCoord hLine = OnGetRowHeight(line);
dc.DrawText(wxString::Format(_T("Line %lu"), (unsigned long)line),
2, y + (hLine - hText) / 2);
event.Skip();
}
+ void OnMouse(wxMouseEvent& event)
+ {
+ if(event.LeftDown())
+ CaptureMouse();
+ else if(event.LeftUp())
+ ReleaseMouse();
+ event.Skip();
+ }
- virtual wxCoord OnGetLineHeight(size_t n) const
+ virtual wxCoord OnGetRowHeight(size_t n) const
{
- wxASSERT( n < GetLineCount() );
+ wxASSERT( n < GetRowCount() );
return m_heights[n];
}
EVT_IDLE(VScrollWindow::OnIdle)
EVT_PAINT(VScrollWindow::OnPaint)
EVT_SCROLLWIN(VScrollWindow::OnScroll)
+ EVT_MOUSE_EVENTS(VScrollWindow::OnMouse)
+END_EVENT_TABLE()
+
+class HScrollWindow : public wxHScrolledWindow
+{
+public:
+ HScrollWindow(wxFrame *frame) : wxHScrolledWindow(frame, wxID_ANY)
+ {
+ m_frame = frame;
+
+ SetColumnCount(MAX_LINES);
+
+ int i;
+ for ( i = 0; i < MAX_LINES; ++i )
+ m_heights[i] = rand()%25+16; // low: 15; high: 40
+
+ m_changed = true;
+ }
+
+ void OnIdle(wxIdleEvent&)
+ {
+#if wxUSE_STATUSBAR
+ m_frame->SetStatusText(wxString::Format
+ (
+ _T("Page size = %d, pos = %d, max = %d"),
+ GetScrollThumb(wxVERTICAL),
+ GetScrollPos(wxVERTICAL),
+ GetScrollRange(wxVERTICAL)
+ ));
+#endif // wxUSE_STATUSBAR
+ m_changed = false;
+ }
+
+ void OnPaint(wxPaintEvent&)
+ {
+ wxPaintDC dc(this);
+
+ dc.SetPen(*wxBLACK_PEN);
+
+ const size_t lineFirst = GetVisibleBegin(),
+ lineLast = GetVisibleEnd();
+
+ const wxCoord hText = dc.GetCharHeight();
+
+ wxSize clientSize = GetClientSize();
+
+ wxCoord x = 0;
+ for ( size_t line = lineFirst; line < lineLast; line++ )
+ {
+ dc.DrawLine(x, 0, x, clientSize.GetHeight());
+
+ wxCoord wLine = OnGetColumnWidth(line);
+ dc.DrawRotatedText(wxString::Format(_T("Line %lu"), (unsigned long)line),
+ x + (wLine - hText) / 2, clientSize.GetHeight() - 5, 90);
+
+ x += wLine;
+ dc.DrawLine(x, 0, x, 1000);
+ }
+ }
+
+ void OnScroll(wxScrollWinEvent& event)
+ {
+ m_changed = true;
+
+ event.Skip();
+ }
+
+ void OnMouse(wxMouseEvent& event)
+ {
+ if(event.LeftDown())
+ CaptureMouse();
+ else if(event.LeftUp())
+ ReleaseMouse();
+ event.Skip();
+ }
+
+ virtual wxCoord OnGetColumnWidth(size_t n) const
+ {
+ wxASSERT( n < GetColumnCount() );
+
+ return m_heights[n];
+ }
+
+private:
+ wxFrame *m_frame;
+
+ int m_heights[MAX_LINES];
+
+ bool m_changed;
+
+ DECLARE_EVENT_TABLE()
+};
+
+BEGIN_EVENT_TABLE(HScrollWindow, wxHScrolledWindow)
+ EVT_IDLE(HScrollWindow::OnIdle)
+ EVT_PAINT(HScrollWindow::OnPaint)
+ EVT_SCROLLWIN(HScrollWindow::OnScroll)
+ EVT_MOUSE_EVENTS(HScrollWindow::OnMouse)
END_EVENT_TABLE()
class HVScrollWindow : public wxHVScrolledWindow
{
m_frame = frame;
- SetRowColumnCounts(MAX_LINES, MAX_LINES);
-
+ SetRowColumnCount(MAX_LINES, MAX_LINES);
+
int i;
for ( i = 0; i < MAX_LINES; ++i )
{
rowLast = GetVisibleRowsEnd();
const size_t columnFirst = GetVisibleColumnsBegin(),
columnLast = GetVisibleColumnsEnd();
-
+
const wxCoord hText = dc.GetCharHeight();
wxSize clientSize = GetClientSize();
x + 2, y + rowHeight / 2 - hText);
dc.DrawText(wxString::Format(_T("Col %lu"), (unsigned long)col),
x + 2, y + rowHeight / 2);
-
+
x += colWidth;
if ( row == rowFirst)
dc.DrawLine(x, 0, x, clientSize.GetHeight());
}
-
+
y += rowHeight;
dc.DrawLine(0, y, clientSize.GetWidth(), y);
}
event.Skip();
}
+ void OnMouse(wxMouseEvent& event)
+ {
+ if(event.LeftDown())
+ CaptureMouse();
+ else if(event.LeftUp())
+ ReleaseMouse();
+ event.Skip();
+ }
virtual wxCoord OnGetRowHeight(size_t n) const
{
EVT_IDLE(HVScrollWindow::OnIdle)
EVT_PAINT(HVScrollWindow::OnPaint)
EVT_SCROLLWIN(HVScrollWindow::OnScroll)
+ EVT_MOUSE_EVENTS(HVScrollWindow::OnMouse)
END_EVENT_TABLE()
// ----------------------------------------------------------------------------
VScroll_About = wxID_ABOUT,
VScroll_VScrollMode = wxID_HIGHEST + 1,
+ VScroll_HScrollMode,
VScroll_HVScrollMode
};
BEGIN_EVENT_TABLE(VarScrollFrame, wxFrame)
EVT_MENU(VScroll_Quit, VarScrollFrame::OnQuit)
EVT_MENU(VScroll_VScrollMode, VarScrollFrame::OnModeVScroll)
+ EVT_MENU(VScroll_HScrollMode, VarScrollFrame::OnModeHScroll)
EVT_MENU(VScroll_HVScrollMode, VarScrollFrame::OnModeHVScroll)
EVT_MENU(VScroll_About, VarScrollFrame::OnAbout)
EVT_SIZE(VarScrollFrame::OnSize)
// 'Main program' equivalent: the program execution "starts" here
bool VarScrollApp::OnInit()
{
+ if ( !wxApp::OnInit() )
+ return false;
+
// create the main application window
VarScrollFrame *frame = new VarScrollFrame;
#ifdef wxHAS_RADIO_MENU_ITEMS
menuMode->AppendRadioItem(VScroll_VScrollMode, _T("&Vertical\tAlt-V"),
_T("Vertical scrolling only"));
+ menuMode->AppendRadioItem(VScroll_HScrollMode, _T("&Horizontal\tAlt-H"),
+ _T("Horizontal scrolling only"));
menuMode->AppendRadioItem(VScroll_HVScrollMode,
- _T("&Horizontal/Vertical\tAlt-H"),
+ _T("Hori&zontal/Vertical\tAlt-Z"),
_T("Horizontal and vertical scrolling"));
menuMode->Check(VScroll_VScrollMode, true);
#else
menuMode->Append(VScroll_VScrollMode, _T("&Vertical\tAlt-V"),
_T("Vertical scrolling only"));
- menuMode->Append(VScroll_HVScrollMode, _T("&Horizontal/Vertical\tAlt-H"),
+ menuMode->Append(VScroll_HScrollMode, _T("&Horizontal\tAlt-H"),
+ _T("Horizontal scrolling only"));
+ menuMode->Append(VScroll_HVScrollMode, _T("Hori&zontal/Vertical\tAlt-Z"),
_T("Horizontal and vertical scrolling"));
#endif
// create our one and only child -- it will take our entire client area
if ( menuMode->IsChecked(VScroll_VScrollMode) )
m_scrollWindow = new VScrollWindow(this);
- else if ( menuMode->IsChecked(VScroll_VScrollMode) )
+ else if ( menuMode->IsChecked(VScroll_HScrollMode) )
+ m_scrollWindow = new HScrollWindow(this);
+ else
m_scrollWindow = new HVScrollWindow(this);
}
{
if ( m_scrollWindow )
m_scrollWindow->Destroy();
-
+
m_scrollWindow = new VScrollWindow(this);
SendSizeEvent();
}
+void VarScrollFrame::OnModeHScroll(wxCommandEvent& WXUNUSED(event))
+{
+ if ( m_scrollWindow )
+ m_scrollWindow->Destroy();
+
+ m_scrollWindow = new HScrollWindow(this);
+ SendSizeEvent();
+}
+
void VarScrollFrame::OnModeHVScroll(wxCommandEvent& WXUNUSED(event))
{
if ( m_scrollWindow )
projects / wxWidgets.git / blobdiff