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Scrolling updates.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3917 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1999-10-10 18:42:43 +00:00
parent fb9010ed40
commit bf0c00c6e8
5 changed files with 97 additions and 99 deletions
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31
samples/drawing/drawing.cpp
View File

@@ -74,7 +74,6 @@ public:
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnOption(wxCommandEvent &event);
void OnMouseMove(wxMouseEvent &event);
wxColour SelectColour();
void PrepareDC(wxDC& dc);
@@ -105,6 +104,7 @@ public:
void DrawTestLines( int x, int y, int width, wxDC &dc );
void OnPaint(wxPaintEvent &event);
void OnMouseMove(wxMouseEvent &event);
protected:
MyFrame *m_owner;
@@ -199,6 +199,7 @@ bool MyApp::OnInit()
// handlers) which process them.
BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
EVT_PAINT (MyCanvas::OnPaint)
EVT_MOTION (MyCanvas::OnMouseMove)
END_EVENT_TABLE()
MyCanvas::MyCanvas( MyFrame *parent )
@@ -307,6 +308,20 @@ void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
}
void MyCanvas::OnMouseMove(wxMouseEvent &event)
{
wxClientDC dc(this);
PrepareDC(dc);
m_owner->PrepareDC(dc);
wxPoint pos = event.GetPosition();
long x = dc.DeviceToLogicalX( pos.x );
long y = dc.DeviceToLogicalY( pos.y );
wxString str;
str.Printf( "Current mouse position: %d,%d", (int)x, (int)y );
m_owner->SetStatusText( str );
}
// ----------------------------------------------------------------------------
// MyFrame
// ----------------------------------------------------------------------------
@@ -315,7 +330,6 @@ void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
// handlers) which process them. It can be also done at run-time, but for the
// simple menu events like this the static method is much simpler.
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MOTION (MyFrame::OnMouseMove)
EVT_MENU (Minimal_Quit, MyFrame::OnQuit)
EVT_MENU (Minimal_About, MyFrame::OnAbout)
EVT_MENU_RANGE(MenuOption_First, MenuOption_Last, MyFrame::OnOption)
@@ -504,19 +518,6 @@ void MyFrame::PrepareDC(wxDC& dc)
dc.SetAxisOrientation( !m_xAxisReversed, m_yAxisReversed );
}
void MyFrame::OnMouseMove(wxMouseEvent &event)
{
wxClientDC dc(this);
PrepareDC(dc);
wxPoint pos = event.GetPosition();
long x = dc.DeviceToLogicalX( pos.x );
long y = dc.DeviceToLogicalY( pos.y );
wxString str;
str.Printf( "Current mouse position: %d,%d", (int)x, (int)y );
SetStatusText( str );
}
wxColour MyFrame::SelectColour()
{
wxColour col;

52
samples/scroll/scroll.cpp
View File

@@ -43,6 +43,7 @@ public:
void OnDeleteButton( wxCommandEvent &event );
void OnMoveButton( wxCommandEvent &event );
void OnScrollWin( wxCommandEvent &event );
void OnMouseDown( wxMouseEvent &event );
wxButton *m_button;
@@ -95,6 +96,7 @@ IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxScrolledWindow)
BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
EVT_PAINT( MyCanvas::OnPaint)
EVT_LEFT_DOWN( MyCanvas::OnMouseDown)
EVT_BUTTON( ID_QUERYPOS, MyCanvas::OnQueryPosition)
EVT_BUTTON( ID_ADDBUTTON, MyCanvas::OnAddButton)
EVT_BUTTON( ID_DELBUTTON, MyCanvas::OnDeleteButton)
@@ -174,20 +176,40 @@ MyCanvas::~MyCanvas()
{
}
void MyCanvas::OnMouseDown( wxMouseEvent &event )
{
wxPoint pt( event.GetPosition() );
int x,y;
CalcUnscrolledPosition( pt.x, pt.y, &x, &y );
wxLogMessage( "Mouse down event at: %d %d, scrolled: %d %d", pt.x, pt.y, x, y );
}
void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
wxPaintDC dc( this );
PrepareDC( dc );
dc.DrawText( "Press mouse button to test calculations!", 160, 50 );
dc.DrawText( "Some text", 140, 140 );
dc.DrawRectangle( 100, 160, 200, 200 );
}
void MyCanvas::OnQueryPosition( wxCommandEvent &WXUNUSED(event) )
{
wxPoint pt( m_button->GetPosition() );
wxLogMessage( """wxButton"" position %d %d", pt.x, pt.y );
if ((pt.x == 10) && (pt.y == 110))
wxLogMessage( "-> Correct." );
else
wxLogMessage( "-> Incorrect." );
wxLogMessage( "Position of ""Query position"" is %d %d", pt.x, pt.y );
pt = ClientToScreen( pt );
wxLogMessage( "Position of ""Query position"" on screen is %d %d", pt.x, pt.y );
}
void MyCanvas::OnAddButton( wxCommandEvent &WXUNUSED(event) )
{
wxLogMessage( "Inserting button at position 10,70..." );
(void) new wxButton( this, ID_NEWBUTTON, "new button", wxPoint(10,70), wxSize(80,25) );
wxButton *button = new wxButton( this, ID_NEWBUTTON, "new button", wxPoint(10,70), wxSize(80,25) );
wxPoint pt( button->GetPosition() );
wxLogMessage( "-> Position after inserting %d %d", pt.x, pt.y );
}
void MyCanvas::OnDeleteButton( wxCommandEvent &event )
@@ -204,7 +226,11 @@ void MyCanvas::OnMoveButton( wxCommandEvent &event )
{
wxLogMessage( "Moving button 10 pixels downward.." );
wxWindow *win = FindWindow( event.GetId() );
win->Move( -1, win->GetPosition().y + 10 );
wxPoint pt( win->GetPosition() );
wxLogMessage( "-> Position before move is %d %d", pt.x, pt.y );
win->Move( -1, pt.y + 10 );
pt = win->GetPosition();
wxLogMessage( "-> Position after move is %d %d", pt.x, pt.y );
}
void MyCanvas::OnScrollWin( wxCommandEvent &WXUNUSED(event) )
@@ -215,18 +241,6 @@ void MyCanvas::OnScrollWin( wxCommandEvent &WXUNUSED(event) )
Scroll( -1, y+2 );
}
void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
wxPaintDC dc( this );
PrepareDC( dc );
dc.DrawText( "Some text", 140, 140 );
dc.DrawRectangle( 10, 70, 80, 25 );
dc.DrawRectangle( 100, 160, 200, 200 );
}
// MyFrame
const int ID_QUIT = 108;