wxwidgets自定义按键大小能获取wxpoint里的值但无法控制按键位置，如何解决？
想获取wxpoint里的值来画矩形以改变按键位置，但是呈现的效果不太正常，输出了一下获取的值，发现与我设置的值是一样的，但不知道为什么画出来是这样的，不知道哪里除了问题，希望大家能指点我如何解决，谢谢！
#include
#include
#include
using namespace std;
class wxCustomButton : public wxWindow
{
bool pressedDown;
wxString text;
int height;
int width;
int x;
int y;
public:
wxCustomButton(wxFrame* parent, wxString text, wxSize size, wxPoint add);
void paintEvent(wxPaintEvent & evt);
void paintNow();
void render(wxDC& dc);
// some useful events
void mouseMoved(wxMouseEvent& event);
void mouseDown(wxMouseEvent& event);
void mouseWheelMoved(wxMouseEvent& event);
void mouseReleased(wxMouseEvent& event);
void rightClick(wxMouseEvent& event);
void mouseLeftWindow(wxMouseEvent& event);
void keyPressed(wxKeyEvent& event);
void keyReleased(wxKeyEvent& event);
DECLARE_EVENT_TABLE()
};
BEGIN_EVENT_TABLE(wxCustomButton, wxPanel)
EVT_MOTION(wxCustomButton::mouseMoved)
EVT_LEFT_DOWN(wxCustomButton::mouseDown)
EVT_LEFT_UP(wxCustomButton::mouseReleased)
EVT_RIGHT_DOWN(wxCustomButton::rightClick)
EVT_LEAVE_WINDOW(wxCustomButton::mouseLeftWindow)
EVT_KEY_DOWN(wxCustomButton::keyPressed)
EVT_KEY_UP(wxCustomButton::keyReleased)
EVT_MOUSEWHEEL(wxCustomButton::mouseWheelMoved)
// catch paint events
EVT_PAINT(wxCustomButton::paintEvent)
END_EVENT_TABLE()
wxCustomButton::wxCustomButton(wxFrame* parent, wxString text, wxSize size, wxPoint add) :
wxWindow(parent, wxID_ANY)
{
this->height = size.GetHeight();
this->width = size.GetWidth();
SetMinSize( wxSize(width, height) );
this->x = add.x;
this->y = add.y;
this->text = text;
pressedDown = false;
}
void wxCustomButton::paintEvent(wxPaintEvent & evt)
{
wxPaintDC dc(this);
render(dc);
}
void wxCustomButton::paintNow()
{
wxClientDC dc(this);
render(dc);
}
void wxCustomButton::render(wxDC& dc)
{
if (pressedDown)
dc.SetBrush( *wxRED_BRUSH );
else
dc.SetBrush( *wxGREY_BRUSH );
cout << "x:" << x << endl;
cout << "y:" << y << endl;
cout << endl;
cout << "w:" << width << endl;
cout << "h:" << height << endl;
cout << endl;
SetPosition( wxPoint(x,y) );
dc.DrawRectangle( x, y, width, height );
dc.DrawText( text, 20, 15 );
}
void wxCustomButton::mouseDown(wxMouseEvent& event)
{
pressedDown = true;
paintNow();
}
void wxCustomButton::mouseReleased(wxMouseEvent& event)
{
pressedDown = false;
paintNow();
wxMessageBox( wxT("You pressed a custom button") );
}
void wxCustomButton::mouseLeftWindow(wxMouseEvent& event)
{
if (pressedDown)
{
pressedDown = false;
paintNow();
}
}
// currently unused events
void wxCustomButton::mouseMoved(wxMouseEvent& event) {}
void wxCustomButton::mouseWheelMoved(wxMouseEvent& event) {}
void wxCustomButton::rightClick(wxMouseEvent& event) {}
void wxCustomButton::keyPressed(wxKeyEvent& event) {}
void wxCustomButton::keyReleased(wxKeyEvent& event) {}
class MyApp: public wxApp
{
wxFrame *frame;
wxCustomButton* m_btn_1;
wxCustomButton* m_btn_2;
wxCustomButton* m_btn_3;
public:
bool OnInit()
{
wxInitAllImageHandlers();
frame = new wxFrame(NULL, wxID_ANY, wxT("Hello wxDC"), wxPoint(50,50), wxSize(800,600));
m_btn_1 = new wxCustomButton( frame, wxT("My Custom Button 11"), wxSize(150, 50), wxPoint(0, 0));
m_btn_2 = new wxCustomButton( frame, wxT("Hello World!"), wxSize(150, 50), wxPoint(300, 300));
frame->Show();
return true;
}
};
IMPLEMENT_APP(MyApp)
仅供参考：
"""
A simple sample of using a wx.Overlay to draw a rubberband effect
"""
#import numpy as np
import wx
print(wx.version())
class TestPanel(wx.Panel):
def __init__(self, *args, **kw):
wx.Panel.__init__(self, *args, **kw)
self.Bind(wx.EVT_PAINT , self.OnPaint )
self.Bind(wx.EVT_LEFT_UP , self.OnLeftUp )
self.Bind(wx.EVT_RIGHT_UP, self.OnRightUp )
self.Bind(wx.EVT_MOTION , self.OnMouseMove)
self.startPos = None
self.overlay = None
self.bitmap = wx.Bitmap("D:\\test\\bk.jpg", wx.BITMAP_TYPE_ANY)
# wx.TextCtrl(self, pos=(140,20))
self.state=0
self.polygons = [] # List of polygons
self.points = [] # List of points defining our polygon
def OnPaint(self, evt):
# Just some simple stuff to paint in the window for an example
dc = wx.PaintDC(self)
dc.DrawBitmap(self.bitmap,0,0)
# print("in OnPaint,len(self.points):%d,len(self.polygons):%d" %(len(self.points),len(self.polygons)))
if len(self.points)>=2:
dc.SetPen(wx.Pen("black", 2))
dc.SetBrush(wx.Brush(wx.Colour(0xC0, 0xC0, 0xC0, 0x80)))
for i in range(len(self.points)-1):
dc.DrawLine(self.points[i],self.points[i+1])
if len(self.polygons)>0:
transparent=True
if not transparent:
dc.SetPen(wx.Pen("black", 2))
dc.SetBrush(wx.Brush(wx.Colour(0xFF, 0x00, 0x00, 0x80)))
for poly in self.polygons:
dc.DrawPolygon(poly)
else:
gc = wx.GraphicsContext.Create(dc)
if gc:
gc.SetBrush(wx.Brush(wx.Colour(0xFF, 0x00, 0x00, 0x80)))
path = gc.CreatePath()
for poly in self.polygons:
firstpt=True
for pt in poly:
if firstpt:
path.MoveToPoint(pt.x,pt.y)
firstpt=False
else:
path.AddLineToPoint(pt.x,pt.y)
path.CloseSubpath()
gc.FillPath(path)
else:
print("Fail to wx.GraphicsContext.Create(dc)")
def OnLeftUp(self, evt):
if self.state==0:
# Capture the mouse and save the starting posiiton for the
# rubber-band
self.CaptureMouse()
self.startPos = evt.GetPosition()
self.state=1
self.overlay = wx.Overlay()
elif self.state==1:
self.points.append(self.startPos)
self.points.append(evt.GetPosition())
self.startPos = evt.GetPosition()
self.state=2
# When the mouse is released we reset the overlay and it
# restores the former content to the window.
self.overlay = wx.Overlay()
dc = wx.ClientDC(self)
odc = wx.DCOverlay(self.overlay, dc)
odc.Clear()
del odc
# self.overlay.Reset()
self.Refresh()
elif self.state==2:
self.points.append(evt.GetPosition())
self.startPos = evt.GetPosition()
# When the mouse is released we reset the overlay and it
# restores the former content to the window.
self.overlay = wx.Overlay()
dc = wx.ClientDC(self)
odc = wx.DCOverlay(self.overlay, dc)
odc.Clear()
del odc
# self.overlay.Reset()
self.Refresh()
def OnMouseMove(self, evt):
if self.state==1:
# Draw the rubber-band rectangle using an overlay so it
# will manage keeping the rectangle and the former window
# contents separate.
# self.overlay = wx.Overlay()
dc = wx.ClientDC(self)
odc = wx.DCOverlay(self.overlay, dc)
odc.Clear()
del odc
# Mac's DC is already the same as a GCDC, and it causes
# problems with the overlay if we try to use an actual
# wx.GCDC so don't try it.
if 'wxMac' not in wx.PlatformInfo:
dc = wx.GCDC(dc)
dc.SetPen(wx.Pen("black", 2))
dc.SetBrush(wx.Brush(wx.Colour(0xC0, 0xC0, 0xC0, 0x80)))
# rect = wx.Rect(self.startPos, evt.GetPosition())
# dc.DrawRectangle(rect)
dc.DrawLine(self.startPos, evt.GetPosition())
elif self.state==2:
# Draw the rubber-band rectangle using an overlay so it
# will manage keeping the rectangle and the former window
# contents separate.
# self.overlay = wx.Overlay()
dc = wx.ClientDC(self)
odc = wx.DCOverlay(self.overlay, dc)
odc.Clear()
del odc
# Mac's DC is already the same as a GCDC, and it causes
# problems with the overlay if we try to use an actual
# wx.GCDC so don't try it.
if 'wxMac' not in wx.PlatformInfo:
dc = wx.GCDC(dc)
dc.SetPen(wx.Pen("black", 2))
dc.SetBrush(wx.Brush(wx.Colour(0xC0, 0xC0, 0xC0, 0x80)))
# rect = wx.Rect(self.startPos, evt.GetPosition())
# dc.DrawRectangle(rect)
dc.DrawLine(self.startPos, evt.GetPosition())
def OnRightUp(self, evt):
if self.HasCapture():
self.ReleaseMouse()
if self.state==2:
print("Completing polygon with %d points." % len(self.points))
if (len(self.points)>=3):
self.points.append(self.points[0])
# self.polygons.append(np.array([self.points]))
self.polygons.append(self.points)
self.state = 0
self.points = []
else:
self.points = []
self.Refresh()
app = wx.App(redirect=False)
frm = wx.Frame(None, title="wx.Overlay Test", size=(960+4,540+4))
#frm.SetDoubleBuffered(True)
pnl = TestPanel(frm)
frm.Show()
app.MainLoop()
- 你看下这篇博客吧, 应该有用👉 ：wxwidgets的多语言支持
如果你已经解决了该问题, 非常希望你能够分享一下解决方案, 写成博客, 将相关链接放在评论区, 以帮助更多的人 ^-^