A no-change for scroll events.

Added y-axis to wxPlot.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5548 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/plot.h

@@ -33,18 +33,30 @@ class wxPlotWindow;
 class WXDLLEXPORT wxPlotCurve: public wxObject
 {
 public:
-    wxPlotCurve( int offsetY );
+    wxPlotCurve( int offsetY, double startY, double endY );
     
     virtual wxInt32 GetStartX() = 0;
     virtual wxInt32 GetEndX() = 0;
-    
+
+    virtual double GetY( wxInt32 x ) = 0;
+
+    void SetStartY( double startY )
+        { m_startY = startY; }
+    double GetStartY()
+        { return m_startY; }
+    void SetEndY( double endY )
+        { m_endY = endY; }
+    double GetEndY()
+        { return m_endY; }
+    void SetOffsetY( int offsetY )
+       { m_offsetY = offsetY; }
     int GetOffsetY()
        { return m_offsetY; }
     
-    virtual double GetY( wxInt32 x ) = 0;
-    
 private:
     int     m_offsetY;
+    double  m_startY;
+    double  m_endY;
 
     DECLARE_ABSTRACT_CLASS(wxPlotCurve)
 };

include/wx/gtk/scrolbar.h

@@ -87,7 +87,6 @@ public:
   
     GtkAdjustment  *m_adjust;
     float           m_oldPos;
-    bool            m_isScrolling;
     
 private:
     DECLARE_DYNAMIC_CLASS(wxScrollBar)

include/wx/gtk/window.h

@@ -185,6 +185,7 @@ public:
     bool                 m_isRadioButton:1;  /* faster than IS_KIND_OF */
     bool                 m_isFrame:1;        /* faster than IS_KIND_OF */
     bool                 m_acceptsFocus:1;   /* not wxStaticBox, not wxStaticBitmap etc.  */
+    bool                 m_isScrolling;
 
     // these are true if the style were set before the widget was realized
     // (typcally in the constructor) but the actual GTK style must not be set

include/wx/gtk1/scrolbar.h

@@ -87,7 +87,6 @@ public:
   
     GtkAdjustment  *m_adjust;
     float           m_oldPos;
-    bool            m_isScrolling;
     
 private:
     DECLARE_DYNAMIC_CLASS(wxScrollBar)

include/wx/gtk1/window.h

@@ -185,6 +185,7 @@ public:
     bool                 m_isRadioButton:1;  /* faster than IS_KIND_OF */
     bool                 m_isFrame:1;        /* faster than IS_KIND_OF */
     bool                 m_acceptsFocus:1;   /* not wxStaticBox, not wxStaticBitmap etc.  */
+    bool                 m_isScrolling;
 
     // these are true if the style were set before the widget was realized
     // (typcally in the constructor) but the actual GTK style must not be set

samples/controls/controls.cpp

@@ -749,6 +749,12 @@ void MyPanel::OnListBox( wxCommandEvent &event )
 {
 //    GetParent()->Move(100, 100);
 
+    if (event.GetInt() == -1)
+    {
+        m_text->AppendText( "ListBox has no selections anymore\n" );
+        return;
+    }
+
     wxListBox *listbox = event.GetId() == ID_LISTBOX ? m_listbox
                                                      : m_listboxSorted;
 

samples/plot/plot.cpp

@@ -39,8 +39,8 @@ class MyApp;
 class MyPlotCurve: public wxPlotCurve
 {
 public:
-    MyPlotCurve( int offsetY ) : 
+    MyPlotCurve( int offsetY, double startY, double endY ) : 
-        wxPlotCurve( offsetY ) {}
+        wxPlotCurve( offsetY, startY, endY ) {}
     
     virtual wxInt32 GetStartX()
         { return 0; }
@@ -51,7 +51,7 @@ public:
         { 
             double dx = x;
             dx /= 100;
-            return sin( dx )+1;
+            return sin( dx );
         }
 };
 
@@ -98,7 +98,7 @@ BEGIN_EVENT_TABLE(MyFrame,wxFrame)
 END_EVENT_TABLE()
 
 MyFrame::MyFrame()
-       : wxFrame( (wxFrame *)NULL, -1, "wxScrolledWindow sample",
+       : wxFrame( (wxFrame *)NULL, -1, "wxPlotWindow sample",
                   wxPoint(20,20), wxSize(470,500) )
 {
     wxMenu *file_menu = new wxMenu();
@@ -116,10 +116,9 @@ MyFrame::MyFrame()
 
     m_plot = new wxPlotWindow( this, -1, wxPoint(0,0), wxSize(100,100), wxSUNKEN_BORDER );
     m_plot->SetScrollbars( 10, 10, 500, 0 );
-    
+
-    m_plot->Add( new MyPlotCurve(100) );
+    m_plot->Add( new MyPlotCurve( 0,  -1.5, 1.5 ) );
-    m_plot->Add( new MyPlotCurve(40) );
+    m_plot->Add( new MyPlotCurve( 50, -1.5, 1.5 ) );
-    m_plot->Add( new MyPlotCurve(30) );
   
     m_log = new wxTextCtrl( this, -1, "This is the log window.\n", wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE );
     wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
@@ -141,9 +140,9 @@ void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 
 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 {
-  (void)wxMessageBox( "wxScroll demo II\n"
+  (void)wxMessageBox( "wxPlotWindow Demo\n"
-                      "Robert Roebling (c) 1998",
+                      "Robert Roebling (c) 1999,2000",
-                      "About wxScroll II Demo", wxICON_INFORMATION | wxOK );
+                      "About wxPlotWindow Demo", wxICON_INFORMATION | wxOK );
 }
 
 //-----------------------------------------------------------------------------

src/common/dynlib.cpp

@@ -48,6 +48,7 @@
 #elif defined(HAVE_SHL_LOAD)
 #   define wxDllOpen(lib)                shl_load(lib.fn_str(), BIND_DEFERRED, 0)
 #   define wxDllClose      shl_unload
+
     static inline void *wxDllGetSymbol(shl_t handle, const wxString& name)
     {
         void *sym;

src/generic/plot.cpp

@@ -33,15 +33,19 @@
 
 #include "wx/generic/plot.h"
 
+#include <math.h>
+
 //-----------------------------------------------------------------------------
 // wxPlotCurve
 //-----------------------------------------------------------------------------
 
 IMPLEMENT_ABSTRACT_CLASS(wxPlotCurve, wxObject)
 
-wxPlotCurve::wxPlotCurve( int offsetY )
+wxPlotCurve::wxPlotCurve( int offsetY, double startY, double endY )
 {
     m_offsetY = offsetY;
+    m_startY = startY;
+    m_endY = endY;
 }
 
 //-----------------------------------------------------------------------------
@@ -84,10 +88,14 @@ void wxPlotArea::OnMouse( wxMouseEvent &event )
     {
         wxPlotCurve *curve = (wxPlotCurve*)node->Data();
             
-        wxCoord offset_y = client_height - curve->GetOffsetY();
+        double double_client_height = (double)client_height;
-
+        double range = curve->GetEndY() - curve->GetStartY();
-        double dy = curve->GetY( x );
+        double end = curve->GetEndY();
-        int curve_y = (wxCoord)(-dy * 100) + offset_y - 1;
+        wxCoord offset_y = curve->GetOffsetY();
+            
+        double dy = (end - curve->GetY( x )) / range;
+        wxCoord curve_y = (wxCoord)(dy * double_client_height) - offset_y - 1;
+                
         if ((y-curve_y < 4) && (y-curve_y > -4))
         {
             m_owner->SetCurrent( curve );
@@ -123,12 +131,14 @@ void wxPlotArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
         update_x += view_x;
         update_y += view_y;
         
+/*
         if (m_owner->m_current)
         {
             dc.SetPen( *wxLIGHT_GREY_PEN );
             int base_line = client_height - m_owner->m_current->GetOffsetY();
             dc.DrawLine( update_x-1, base_line-1, update_x+update_width+2, base_line-1 );
         }
+*/
         
         wxNode *node = m_owner->m_curves.First();
         while (node)
@@ -139,16 +149,20 @@ void wxPlotArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
                 dc.SetPen( *wxBLACK_PEN );
             else
                 dc.SetPen( *wxLIGHT_GREY_PEN );
-            wxCoord offset_y = client_height - curve->GetOffsetY();
 
             int start_x = wxMax( update_x-1, curve->GetStartX() );
             int end_x = wxMin( update_x+update_width+2, curve->GetEndX() );
             
+            double double_client_height = (double)client_height;
+            double range = curve->GetEndY() - curve->GetStartY();
+            double end = curve->GetEndY();
+            wxCoord offset_y = curve->GetOffsetY();
+            
             wxCoord y=0,last_y=0;
             for (int x = start_x; x < end_x; x++)
             {
-                double dy = curve->GetY( x );
+                double dy = (end - curve->GetY( x )) / range;
-                y = (wxCoord)(-dy * 100) + offset_y - 1;
+                y = (wxCoord)(dy * double_client_height) - offset_y - 1;
             
                 if (x != start_x)
                     dc.DrawLine( x-1, last_y, x, y );
@@ -238,14 +252,14 @@ wxPlotCurve *wxPlotWindow::GetAt( size_t n )
 void wxPlotWindow::SetCurrent( wxPlotCurve* current )
 {
     m_current = current;
-    m_area->Refresh( TRUE );
+    m_area->Refresh( FALSE );
     
     wxPoint pos( m_area->GetPosition() );
     
     int client_width;
     int client_height;
     GetClientSize( &client_width, &client_height);
-    wxRect rect(pos.x-40,0,40,client_height);
+    wxRect rect(pos.x-45,0,45,client_height);
     Refresh(TRUE,&rect);
 }
 
@@ -268,11 +282,50 @@ void wxPlotWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
     
     wxPoint pos( m_area->GetPosition() );
     
+    double range = m_current->GetEndY() - m_current->GetStartY();
+    double offset = ((double) m_current->GetOffsetY() / (double)client_height ) * range;
+    double start = m_current->GetStartY() - offset;
+    double end = m_current->GetEndY() - offset;
+    int int_log_range = (int)floor( log10( range ) );
+    double step = 1.0;
+    if (int_log_range > 0)
+    {
+        for (int i = 0; i < int_log_range; i++)
+           step *= 10; 
+    }
+    if (int_log_range < 0)
+    {
+        for (int i = 0; i < -int_log_range; i++)
+           step /= 10; 
+    }
+    double lower = ceil(start / step) * step;
+    double upper = floor(end / step) * step;
+    int steps = (int)ceil((upper-lower)/step);
+    if (steps < 3)
+    {
+        step /= 2;
+        if (lower-step > start) lower -= step;
+    }
+    
+    double current = lower;
+    while (current < upper+(step/2))
+    {
+        int y = (int)((m_current->GetEndY()-current) / range * (double)client_height) - 1;
+        y -= m_current->GetOffsetY();
+        if ((y > 10) && (y < client_height-7))
+        {
+            dc.DrawLine( pos.x-15, y, pos.x-7, y );
+            wxString label;
+            label.Printf( "%.1f", current );
+            dc.DrawText( label, pos.x-45, y-7 );
+        }
+
+        current += step;
+    }
+    
     dc.DrawLine( pos.x-15, 5, pos.x-15, client_height-5 );
     dc.DrawLine( pos.x-19, 9, pos.x-15, 5 );
     dc.DrawLine( pos.x-10, 10, pos.x-15, 5 );
     
-    int y = client_height - m_current->GetOffsetY() - 1;
-    dc.DrawLine( pos.x-15, y, pos.x-7, y );
 }
 

src/gtk/listbox.cpp

@@ -231,7 +231,7 @@ static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox
 
     if (!listbox->m_hasVMT) return;
     if (g_blockEventsOnDrag) return;
-
+    
     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
     event.SetEventObject( listbox );
 

src/gtk/window.cpp

@@ -1627,7 +1627,7 @@ static void gtk_window_hscroll_change_callback( GtkWidget *WXUNUSED(widget), wxW
 
 static gint gtk_scrollbar_button_press_callback( GtkRange *WXUNUSED(widget),
                                                  GdkEventButton *WXUNUSED(gdk_event),
-                                                 wxWindow *WXUNUSED(win))
+                                                 wxWindow *win)
 {
     DEBUG_MAIN_THREAD
 
@@ -1640,6 +1640,7 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *WXUNUSED(widget),
 //    if (gdk_event->window != widget->slider) return FALSE;
 
     g_blockEventsOnScroll = TRUE;
+    win->m_isScrolling = TRUE;
 
     return FALSE;
 }
@@ -1650,7 +1651,7 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *WXUNUSED(widget),
 
 static gint gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget),
                                                    GdkEventButton *WXUNUSED(gdk_event),
-                                                   wxWindow *WXUNUSED(win))
+                                                   wxWindow *win)
 {
     DEBUG_MAIN_THREAD
 
@@ -1661,6 +1662,7 @@ static gint gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget),
 //    if (gdk_event->window != widget->slider) return FALSE;
 
     g_blockEventsOnScroll = FALSE;
+    win->m_isScrolling = FALSE;
 
     return FALSE;
 }
@@ -1926,6 +1928,7 @@ void wxWindow::Init()
     m_nativeSizeEvent = FALSE;
 
     m_hasScrolling = FALSE;
+    m_isScrolling = FALSE;
 
     m_hAdjust = (GtkAdjustment*) NULL;
     m_vAdjust = (GtkAdjustment*) NULL;

src/gtk1/listbox.cpp

@@ -231,7 +231,7 @@ static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox
 
     if (!listbox->m_hasVMT) return;
     if (g_blockEventsOnDrag) return;
-
+    
     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
     event.SetEventObject( listbox );
 

src/gtk1/window.cpp

@@ -1627,7 +1627,7 @@ static void gtk_window_hscroll_change_callback( GtkWidget *WXUNUSED(widget), wxW
 
 static gint gtk_scrollbar_button_press_callback( GtkRange *WXUNUSED(widget),
                                                  GdkEventButton *WXUNUSED(gdk_event),
-                                                 wxWindow *WXUNUSED(win))
+                                                 wxWindow *win)
 {
     DEBUG_MAIN_THREAD
 
@@ -1640,6 +1640,7 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *WXUNUSED(widget),
 //    if (gdk_event->window != widget->slider) return FALSE;
 
     g_blockEventsOnScroll = TRUE;
+    win->m_isScrolling = TRUE;
 
     return FALSE;
 }
@@ -1650,7 +1651,7 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *WXUNUSED(widget),
 
 static gint gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget),
                                                    GdkEventButton *WXUNUSED(gdk_event),
-                                                   wxWindow *WXUNUSED(win))
+                                                   wxWindow *win)
 {
     DEBUG_MAIN_THREAD
 
@@ -1661,6 +1662,7 @@ static gint gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget),
 //    if (gdk_event->window != widget->slider) return FALSE;
 
     g_blockEventsOnScroll = FALSE;
+    win->m_isScrolling = FALSE;
 
     return FALSE;
 }
@@ -1926,6 +1928,7 @@ void wxWindow::Init()
     m_nativeSizeEvent = FALSE;
 
     m_hasScrolling = FALSE;
+    m_isScrolling = FALSE;
 
     m_hAdjust = (GtkAdjustment*) NULL;
     m_vAdjust = (GtkAdjustment*) NULL;