#include "wx/sizer.h"
#include "wx/log.h"
+const long ID_QUIT = wxID_EXIT;
+const long ID_ABOUT = wxID_ABOUT;
+const long ID_DELETE_ALL = 100;
+const long ID_INSERT_NEW = 101;
+
+// ----------------------------------------------------------------------
+// a trivial example
+// ----------------------------------------------------------------------
+
+class MySimpleFrame;
+class MySimpleCanvas;
+
+// MySimpleCanvas
+
+class MySimpleCanvas: public wxScrolledWindow
+{
+public:
+ MySimpleCanvas() { }
+ MySimpleCanvas( wxWindow *parent, wxWindowID, const wxPoint &pos, const wxSize &size );
+
+ void OnPaint( wxPaintEvent &event );
+
+private:
+ DECLARE_DYNAMIC_CLASS(MyCanvas)
+ DECLARE_EVENT_TABLE()
+};
+
+IMPLEMENT_DYNAMIC_CLASS(MySimpleCanvas, wxScrolledWindow)
+
+BEGIN_EVENT_TABLE(MySimpleCanvas, wxScrolledWindow)
+ EVT_PAINT( MySimpleCanvas::OnPaint)
+END_EVENT_TABLE()
+
+MySimpleCanvas::MySimpleCanvas( wxWindow *parent, wxWindowID id,
+ const wxPoint &pos, const wxSize &size )
+ : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER, _T("test canvas") )
+{
+ SetScrollRate( 10, 10 );
+ SetVirtualSize( 92, 97 );
+ SetBackgroundColour( *wxWHITE );
+}
+
+void MySimpleCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
+{
+ wxPaintDC dc(this);
+ PrepareDC( dc );
+
+ dc.SetPen( *wxRED_PEN );
+ dc.SetBrush( *wxTRANSPARENT_BRUSH );
+ dc.DrawRectangle( 0,0,92,97 );
+}
+
+// MySimpleFrame
+
+class MySimpleFrame: public wxFrame
+{
+public:
+ MySimpleFrame();
+
+ void OnQuit( wxCommandEvent &event );
+
+ MySimpleCanvas *m_canvas;
+
+private:
+ DECLARE_DYNAMIC_CLASS(MySimpleFrame)
+ DECLARE_EVENT_TABLE()
+};
+
+
+IMPLEMENT_DYNAMIC_CLASS( MySimpleFrame, wxFrame )
+
+BEGIN_EVENT_TABLE(MySimpleFrame,wxFrame)
+ EVT_MENU (ID_QUIT, MySimpleFrame::OnQuit)
+END_EVENT_TABLE()
+
+MySimpleFrame::MySimpleFrame()
+ : wxFrame( (wxFrame *)NULL, wxID_ANY, _T("wxScrolledWindow sample"),
+ wxPoint(120,120), wxSize(150,150) )
+{
+ wxMenu *file_menu = new wxMenu();
+ file_menu->Append( ID_QUIT, _T("E&xit\tAlt-X"));
+
+ wxMenuBar *menu_bar = new wxMenuBar();
+ menu_bar->Append(file_menu, _T("&File"));
+
+ SetMenuBar( menu_bar );
+
+ m_canvas = new MySimpleCanvas( this, wxID_ANY, wxPoint(0,0), wxSize(100,100) );
+}
+
+void MySimpleFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
+{
+ Close( true );
+}
+
+// ----------------------------------------------------------------------
+// a complex example
+// ----------------------------------------------------------------------
// derived classes
void OnDeleteButton( wxCommandEvent &event );
void OnMoveButton( wxCommandEvent &event );
void OnScrollWin( wxCommandEvent &event );
- void OnMouseDown( wxMouseEvent &event );
+ void OnMouseRightDown( wxMouseEvent &event );
+ void OnMouseWheel( wxMouseEvent &event );
wxButton *m_button;
static wxRect DCNormalize(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
protected: // event stuff
- DECLARE_EVENT_TABLE()
void OnDraw(wxDC& dc);
void OnMouseLeftDown(wxMouseEvent& event);
void OnMouseLeftUp(wxMouseEvent& event);
void OnMouseMove(wxMouseEvent& event);
+ void OnMouseCaptureLost(wxMouseCaptureLostEvent& event);
void OnScroll(wxScrollWinEvent& event);
+
+ DECLARE_EVENT_TABLE()
};
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
EVT_PAINT( MyCanvas::OnPaint)
- EVT_MOUSE_EVENTS( MyCanvas::OnMouseDown)
+ EVT_RIGHT_DOWN( MyCanvas::OnMouseRightDown)
+ EVT_MOUSEWHEEL( MyCanvas::OnMouseWheel)
EVT_BUTTON( ID_QUERYPOS, MyCanvas::OnQueryPosition)
EVT_BUTTON( ID_ADDBUTTON, MyCanvas::OnAddButton)
EVT_BUTTON( ID_DELBUTTON, MyCanvas::OnDeleteButton)
SetCursor( wxCursor( wxCURSOR_IBEAM ) );
}
-void MyCanvas::OnMouseDown( wxMouseEvent &event )
+void MyCanvas::OnMouseRightDown( wxMouseEvent &event )
{
- if (event.LeftDown())
- {
- wxPoint pt( event.GetPosition() );
- int x,y;
- CalcUnscrolledPosition( pt.x, pt.y, &x, &y );
- wxLogMessage( wxT("Mouse down event at: %d %d, scrolled: %d %d"), pt.x, pt.y, x, y );
+ wxPoint pt( event.GetPosition() );
+ int x,y;
+ CalcUnscrolledPosition( pt.x, pt.y, &x, &y );
+ wxLogMessage( wxT("Mouse down event at: %d %d, scrolled: %d %d"), pt.x, pt.y, x, y );
+}
- if ( !event.LeftIsDown() )
- wxLogMessage( wxT("Error: LeftIsDown() should be true if for LeftDown()") );
- }
+void MyCanvas::OnMouseWheel( wxMouseEvent &event )
+{
+ wxPoint pt( event.GetPosition() );
+ int x,y;
+ CalcUnscrolledPosition( pt.x, pt.y, &x, &y );
+ wxLogMessage( wxT("Mouse wheel event at: %d %d, scrolled: %d %d\n")
+ wxT("Rotation: %d, delta = %d"),
+ pt.x, pt.y, x, y,
+ event.GetWheelRotation(), event.GetWheelDelta() );
+
+ event.Skip();
}
void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
END_EVENT_TABLE()
MyAutoScrollWindow::MyAutoScrollWindow( wxWindow *parent )
- : wxScrolledWindow( parent, -1, wxDefaultPosition, wxDefaultSize,
+ : wxScrolledWindow( parent, -1, wxDefaultPosition, wxDefaultSize,
wxSUNKEN_BORDER|wxScrolledWindowStyle )
{
SetBackgroundColour( wxT("GREEN") );
wxDefaultPosition,
SMALL_BUTTON );
- // We need to do this here, because wxADJUST_MINSIZE below
- // will cause the initial size to be ignored for Best/Min size.
- // It would be nice to fix the sizers to handle this a little
- // more cleanly.
-
m_button->SetSizeHints( SMALL_BUTTON.GetWidth(), SMALL_BUTTON.GetHeight() );
innersizer->Add( m_button,
0,
- wxALIGN_CENTER | wxALL | wxADJUST_MINSIZE,
+ wxALIGN_CENTER | wxALL,
20 );
innersizer->Add( new wxStaticText( this, wxID_ANY, _T("This is just") ),
// MyFrame
// ----------------------------------------------------------------------------
-const long ID_QUIT = wxID_EXIT;
-const long ID_ABOUT = wxID_ABOUT;
-const long ID_DELETE_ALL = 100;
-const long ID_INSERT_NEW = 101;
-
IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
BEGIN_EVENT_TABLE(MyFrame,wxFrame)
bool MyApp::OnInit()
{
- wxFrame *frame = new MyFrame();
- frame->Show( true );
+ if ( !wxApp::OnInit() )
+ return false;
- return true;
+ wxFrame *frame = new MyFrame();
+ frame->Show( true );
+
+ frame = new MySimpleFrame();
+ frame->Show();
+
+ return true;
}
// ----------------------------------------------------------------------------
CalcScrolledPosition(0, y, NULL, &yPhys);
dc.DrawText(wxString::Format(_T("Line %u (logical %d, physical %d)"),
- line, y, yPhys), 0, y);
+ unsigned(line), y, yPhys), 0, y);
y += m_hLine;
}
}
CalcScrolledPosition(0, y, NULL, &yPhys);
dc.DrawText(wxString::Format(_T("Line %u (logical %d, physical %d)"),
- line, y, yPhys), 0, y);
+ unsigned(line), y, yPhys), 0, y);
y += m_hLine;
}
}
EVT_LEFT_DOWN(MyAutoTimedScrollingWindow::OnMouseLeftDown)
EVT_LEFT_UP(MyAutoTimedScrollingWindow::OnMouseLeftUp)
EVT_MOTION(MyAutoTimedScrollingWindow::OnMouseMove)
+ EVT_MOUSE_CAPTURE_LOST(MyAutoTimedScrollingWindow::OnMouseCaptureLost)
EVT_SCROLLWIN(MyAutoTimedScrollingWindow::OnScroll)
END_EVENT_TABLE()
wxBrush selBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT)
, wxSOLID);
dc.SetPen(*wxTRANSPARENT_PEN);
- wxString str = sm_testData;
+ const wxString str = sm_testData;
+ size_t strLength = str.length();
+ wxString::const_iterator str_i;
// draw the characters
// 1. for each update region
for (int chY = updRectInGChars.y
; chY <= updRectInGChars.y + updRectInGChars.height; ++chY) {
// 3. for each character in the row
+ bool isFirstX = true;
for (int chX = updRectInGChars.x
; chX <= updRectInGChars.x + updRectInGChars.width
; ++chX) {
size_t charIndex = chY * sm_lineLen + chX;
if (chY < sm_lineCnt &&
chX < sm_lineLen &&
- charIndex < str.Length())
+ charIndex < strLength)
{
- dc.DrawText(str.Mid(charIndex,1),
- charPos.x, charPos.y);
+ if (isFirstX)
+ {
+ str_i = str.begin() + charIndex;
+ isFirstX = false;
+ }
+ dc.DrawText(*str_i, charPos.x, charPos.y);
+ ++str_i;
}
}
}
}
}
+void MyAutoTimedScrollingWindow::OnMouseCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
+{
+ // we only capture mouse for timed scrolling, so nothing is needed here
+ // other than making sure to not call event.Skip()
+}
+
void MyAutoTimedScrollingWindow::OnScroll(wxScrollWinEvent& event)
{
// need to move the cursor when autoscrolling
const int MyAutoTimedScrollingWindow::sm_lineCnt = 125;
const int MyAutoTimedScrollingWindow::sm_lineLen = 79;
const wxChar* MyAutoTimedScrollingWindow::sm_testData =
-_T("162 Cult of the genius out of vanity.\97 Because we think well of ourselves, but ")
+_T("162 Cult of the genius out of vanity. Because we think well of ourselves, but ")
_T("nonetheless never suppose ourselves capable of producing a painting like one of ")
_T("Raphael's or a dramatic scene like one of Shakespeare's, we convince ourselves ")
_T("that the capacity to do so is quite extraordinarily marvelous, a wholly ")
_T("high. Thus our vanity, our self-love, promotes the cult of the genius: for only ")
_T("if we think of him as being very remote from us, as a miraculum, does he not ")
_T("aggrieve us (even Goethe, who was without envy, called Shakespeare his star of ")
-_T("the most distant heights [\"William! Stern der schรถnsten Ferne\": from Goethe's, ")
+_T("the most distant heights [\"William! Stern der schonsten Ferne\": from Goethe's, ")
_T("\"Between Two Worlds\"]; in regard to which one might recall the lines: \"the ")
_T("stars, these we do not desire\" [from Goethe's, \"Comfort in Tears\"]). But, aside ")
_T("from these suggestions of our vanity, the activity of the genius seems in no ")
_T("Genius too does nothing except learn first how to lay bricks then how to build, ")
_T("except continually seek for material and continually form itself around it. ")
_T("Every activity of man is amazingly complicated, not only that of the genius: ")
-_T("but none is a \"miracle.\"\97 Whence, then, the belief that genius exists only in ")
+_T("but none is a \"miracle.\" Whence, then, the belief that genius exists only in ")
_T("the artist, orator and philosopher? that only they have \"intuition\"? (Whereby ")
_T("they are supposed to possess a kind of miraculous eyeglass with which they can ")
_T("see directly into \"the essence of the thing\"!) It is clear that people speak of ")
_T("former and undervaluation of the latter is only a piece of childishness in the ")
_T("realm of reason. ")
_T("\n\n")
-_T("163 The serious workman.\97 Do not talk about giftedness, inborn talents! One can ")
+_T("163 The serious workman. Do not talk about giftedness, inborn talents! One can ")
_T("name great men of all kinds who were very little gifted. The acquired ")
_T("greatness, became \"geniuses\" (as we put it), through qualities the lack of ")
_T("which no one who knew what they were would boast of: they all possessed that ")
_T("should, finally, reflect on the motives of human actions, disdain no signpost ")
_T("to instruction about them and be a collector of these things by day and night. ")
_T("One should continue in this many-sided exercise some ten years: what is then ")
-_T("created in the workshop, however, will be fit to go out into the world.\97 What, ")
+_T("created in the workshop, however, will be fit to go out into the world. What, ")
_T("however, do most people do? They begin, not with the parts, but with the whole. ")
_T("Perhaps they chance to strike a right note, excite attention and from then on ")
-_T("strike worse and worse notes, for good, natural reasons.\97 Sometimes, when the ")
+_T("strike worse and worse notes, for good, natural reasons. Sometimes, when the ")
_T("character and intellect needed to formulate such a life-plan are lacking, fate ")
_T("and need take their place and lead the future master step by step through all ")
_T("the stipulations of his trade. ")
_T("\n\n")
-_T("164 Peril and profit in the cult of the genius.\97 The belief in great, superior, ")
+_T("164 Peril and profit in the cult of the genius. The belief in great, superior, ")
_T("fruitful spirits is not necessarily, yet nonetheless is very frequently ")
_T("associated with that religious or semi-religious superstition that these ")
_T("spirits are of supra-human origin and possess certain miraculous abilities by ")
_T("leaders they are following are supra-natural. Indeed, it elevates and inspires ")
_T("men to believe that someone is in possession of supra-natural powers: to this ")
_T("extent Plato was right to say [Plato: Phaedrus, 244a] that madness has brought ")
-_T("the greatest of blessings upon mankind.\97 In rare individual cases this portion ")
+_T("the greatest of blessings upon mankind. In rare individual cases this portion ")
_T("of madness may, indeed, actually have been the means by which such a nature, ")
_T("excessive in all directions, was held firmly together: in the life of ")
_T("individuals, too, illusions that are in themselves poisons often play the role ")