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handle key down events: tab toggles shape style

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This commit is contained in:
Alexandre Quessy
2013-11-15 10:27:27 +01:00
parent 4146740aa7
commit 472018b17d
1 changed files with 45 additions and 16 deletions
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61
prototypes/wx-polyline/main.cpp
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@@ -99,6 +99,7 @@ class Manager
void draw();
void clear();
void setStyle(Style style);
Style getStyle();
private:
std::vector<PolyLine> lines;
unsigned int current;
@@ -110,6 +111,11 @@ void Manager::setStyle(Style style)
this->style = style;
}
Style Manager::getStyle()
{
return style;
}
void Manager::addPoint(Point point)
{
if (lines.size() == 0)
@@ -207,11 +213,12 @@ class MyCanvas: public wxGLCanvas
void Render();
public:
MyCanvas(wxFrame* parent);
void Paintit(wxPaintEvent& event);
void evt_paint_cb(wxPaintEvent& event);
protected:
DECLARE_EVENT_TABLE()
private:
void OnMouseEvent (wxMouseEvent& event);
void evt_mouse_events_cb (wxMouseEvent& event);
void evt_key_down_cb (wxKeyEvent& event);
void setup_polyline ();
Manager manager;
float mousex;
@@ -219,8 +226,9 @@ class MyCanvas: public wxGLCanvas
};
BEGIN_EVENT_TABLE(MyCanvas, wxGLCanvas)
EVT_PAINT (MyCanvas::Paintit)
EVT_MOUSE_EVENTS(MyCanvas::OnMouseEvent)
EVT_PAINT (MyCanvas::evt_paint_cb)
EVT_KEY_DOWN (MyCanvas::evt_key_down_cb)
EVT_MOUSE_EVENTS(MyCanvas::evt_mouse_events_cb)
END_EVENT_TABLE()
MyCanvas::MyCanvas(wxFrame *parent)
@@ -230,12 +238,12 @@ MyCanvas::MyCanvas(wxFrame *parent)
char* argv[1] = { wxString((wxTheApp->argv)[0]).char_str() };
}
void MyCanvas::Paintit(wxPaintEvent& WXUNUSED(event))
void MyCanvas::evt_paint_cb(wxPaintEvent& WXUNUSED(event))
{
Render();
}
void MyCanvas::OnMouseEvent(wxMouseEvent& event)
void MyCanvas::evt_mouse_events_cb(wxMouseEvent& event)
{
//printf("x=%d y=%d LeftIsDown=%d\n", event.GetX(), event.GetY(), (int) event.LeftIsDown());
bool should_render = false;
@@ -267,17 +275,38 @@ void MyCanvas::OnMouseEvent(wxMouseEvent& event)
manager.addPoint(point);
should_render = true;
}
if (event.Leaving())
{
manager.setStyle(POLYGON);
should_render = true;
}
else if (event.Entering())
{
manager.setStyle(LINES);
should_render = true;
}
// if (event.Leaving()) { }
// else if (event.Entering()) { }
if (should_render)
Render();
// To catch keyboard events
SetFocus();
}
void MyCanvas::evt_key_down_cb(wxKeyEvent & event)
{
bool should_render = false;
switch (event.GetKeyCode())
{
case WXK_TAB:
if (manager.getStyle() == POLYGON)
manager.setStyle(LINES);
else
manager.setStyle(POLYGON);
should_render = true;
break;
case WXK_UP:
break;
case WXK_DOWN:
break;
case WXK_LEFT:
break;
case WXK_RIGHT:
break;
default:
break;
}
if (should_render)
Render();
}