场景:
1.现在的软件上的按钮都不是标准的按钮了，因为基本上是贴图上去的，正常情况下一种图片，鼠标移上去之后按钮显示另一种效果，按下去之后又是另一种效果。
2.wx的做法其实和mfc的按钮原理是一样的，就是给按钮贴图和重绘背景。
以下是源文件.
dh_bitmap_button.h
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/* * File: dh_bitmap_button.h * Author: Sai * * Created on 2009年12月29日, 下午4:08 */ #ifndef _DH_BITMAP_BUTTON_H#define _DH_BITMAP_BUTTON_H #include "wx/wx.h" enum DhBitmapButtonStatus{ kDhBitmapButtonNormal, kDhBitmapButtonEnter, kDhBitmapButtonDown, kDhBitmapButtonUp, kDhBitmapButtonLeave, kDhBitmapButtonDClick, kDhBitmapButtonDisable}; class DhBitmapButton : public wxControl{ DECLARE_DYNAMIC_CLASS(DhBitmapButton) DECLARE_EVENT_TABLE()public: DhBitmapButton(); virtual ~DhBitmapButton(); DhBitmapButton(wxWindow* parent, wxWindowID id, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxBORDER_NONE, const wxValidator& validator = wxDefaultValidator); bool Create(wxWindow* parent, wxWindowID id, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxSUNKEN_BORDER, const wxValidator& validator = wxDefaultValidator); wxSize DoGetBestSize() const; void OnPaint(wxPaintEvent& event); virtual void OnEnter(wxMouseEvent& event); virtual void OnLeave(wxMouseEvent& event); virtual void OnDown(wxMouseEvent& event); virtual void OnDClick(wxMouseEvent& event); virtual void OnUp(wxMouseEvent& event); virtual bool Enable(bool enable = true); virtual bool Disable(); /** * 设置正常图片 * * @param bitmap */ DhBitmapButton* set_normal_bitmap(wxBitmap* bitmap); /** * 1.设置按钮按下时的切换图片 */ DhBitmapButton* set_down_bitmap(wxBitmap* bitmap); /** * 1.设置按钮按经过时的切换图片 */ DhBitmapButton* set_enter_bitmap(wxBitmap* bitmap); /** * 1.设置Disable图片. * * @param bitmap * @return this */ DhBitmapButton* set_disable_bitmap(wxBitmap* bitmap); DhBitmapButton* set_background(const wxBitmap& bitmap); bool SetBackgroundColour(const wxColour& colour); protected: void DrawExistBitmap(wxDC* dc,wxBitmap* image1,wxBitmap* exist_image); private: wxBitmap background_; bool is_used_bg_; wxBitmap* normal_bitmap_; wxBitmap* down_bitmap_; wxBitmap* enter_bitmap_; wxBitmap* disable_bitmap_; int button_status_; wxString text_; wxFont text_font_; void DrawBackground(wxDC* dc); };#endif /* _DH_BITMAP_BUTTON_H */ |
dh_bitmap_button.cpp
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/* * File: DhBitmapButton.cpp * Author: Sai * * Created on 2009年12月29日, 下午4:08 */ #include "dh_bitmap_button.h" BEGIN_EVENT_TABLE(DhBitmapButton, wxControl)EVT_PAINT(DhBitmapButton::OnPaint)EVT_ENTER_WINDOW(DhBitmapButton::OnEnter)EVT_LEAVE_WINDOW(DhBitmapButton::OnLeave)EVT_LEFT_DOWN(DhBitmapButton::OnDown)EVT_LEFT_DCLICK(DhBitmapButton::OnDClick)EVT_LEFT_UP(DhBitmapButton::OnUp)END_EVENT_TABLE() IMPLEMENT_DYNAMIC_CLASS(DhBitmapButton, wxControl) DhBitmapButton::DhBitmapButton(){} DhBitmapButton::DhBitmapButton(wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxValidator& validator): normal_bitmap_(NULL), down_bitmap_(NULL), enter_bitmap_(NULL){ Create(parent, id, pos, size, style, validator);} DhBitmapButton::~DhBitmapButton(){ wxDELETE(normal_bitmap_); wxDELETE(enter_bitmap_); wxDELETE(down_bitmap_);} bool DhBitmapButton::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxValidator& validator){ normal_bitmap_ = NULL; down_bitmap_ = NULL; enter_bitmap_ = NULL; disable_bitmap_ = NULL; if (!wxControl::Create(parent, id, pos, size, style, validator)) { return false; } SetBackgroundStyle(wxBG_STYLE_PAINT); is_used_bg_ = false; return true;} wxSize DhBitmapButton::DoGetBestSize() const{ return GetSize();} void DhBitmapButton::DrawExistBitmap(wxDC* dc, wxBitmap* image1, wxBitmap* exist_image){ if (image1) { dc->DrawBitmap(*image1, 0, 0, true); } else { dc->DrawBitmap(*exist_image, 0, 0, true); }} void DhBitmapButton::OnPaint(wxPaintEvent& event){ wxPaintDC dc(this); DrawBackground(&dc); //1.状态控制绘画,好处就是可以调用Refresh连背景一起刷新. switch (button_status_) { case kDhBitmapButtonNormal: dc.DrawBitmap(*normal_bitmap_, 0, 0, true); break; case kDhBitmapButtonEnter: if (!enter_bitmap_) { int width = DoGetBestSize().GetWidth(); int height = DoGetBestSize().GetHeight(); wxClientDC dc(this); dc.SetPen(*wxRED_PEN); dc.SetBrush(*wxTRANSPARENT_BRUSH); dc.DrawRectangle(0, 0, width, height); break; } dc.DrawBitmap(*enter_bitmap_, 0, 0, true); break; case kDhBitmapButtonDown: DrawExistBitmap(&dc,down_bitmap_,normal_bitmap_); break; case kDhBitmapButtonUp: dc.DrawBitmap(*normal_bitmap_, 0, 0, true); break; case kDhBitmapButtonLeave: dc.DrawBitmap(*normal_bitmap_, 0, 0, true); break; case kDhBitmapButtonDClick: DrawExistBitmap(&dc,down_bitmap_,normal_bitmap_); break; case kDhBitmapButtonDisable: DrawExistBitmap(&dc,disable_bitmap_,normal_bitmap_); break; default: dc.DrawBitmap(*normal_bitmap_, 0, 0, true); break; } } void DhBitmapButton::DrawBackground(wxDC* dc){ if (is_used_bg_) { dc->DrawBitmap(background_, 0, 0, true); } else { wxBrush brush(GetBackgroundColour()); wxPen pen(GetBackgroundColour()); dc->SetBrush(brush); dc->SetPen(pen); dc->DrawRectangle(0, 0, GetSize().x, GetSize().y); }} void DhBitmapButton::OnEnter(wxMouseEvent& event){ button_status_ = kDhBitmapButtonEnter; Refresh(); Update();} void DhBitmapButton::OnLeave(wxMouseEvent& event){ if (!IsEnabled()) { return; } button_status_ = kDhBitmapButtonLeave; Refresh(); Update();} void DhBitmapButton::OnDClick(wxMouseEvent& event){ button_status_ = kDhBitmapButtonDown; Refresh(false); Update();} void DhBitmapButton::OnDown(wxMouseEvent& event){ button_status_ = kDhBitmapButtonDown; Refresh(); Update();} void DhBitmapButton::OnUp(wxMouseEvent& event){ if (kDhBitmapButtonDown != button_status_) { return; } button_status_ = kDhBitmapButtonUp; Refresh(); Update(); wxCommandEvent myEvent(wxEVT_COMMAND_BUTTON_CLICKED, GetId()); myEvent.SetEventObject(this); GetEventHandler()->ProcessEvent(myEvent);} DhBitmapButton* DhBitmapButton::set_normal_bitmap(wxBitmap* bitmap){ normal_bitmap_ = bitmap; return this;} DhBitmapButton* DhBitmapButton::set_down_bitmap(wxBitmap* bitmap){ down_bitmap_ = bitmap; return this;} DhBitmapButton* DhBitmapButton::set_enter_bitmap(wxBitmap* bitmap){ enter_bitmap_ = bitmap; return this;} bool DhBitmapButton::Enable(bool enable){ if (enable) { button_status_ = kDhBitmapButtonNormal; } else { button_status_ = kDhBitmapButtonDisable; } Refresh(false); Update(); return wxControl::Enable(enable);} bool DhBitmapButton::Disable(){ return Enable(false);} DhBitmapButton* DhBitmapButton::set_disable_bitmap(wxBitmap* bitmap){ disable_bitmap_ = bitmap; return this;} DhBitmapButton* DhBitmapButton::set_background(const wxBitmap& bitmap){ is_used_bg_ = true; background_ = bitmap; return this;} bool DhBitmapButton::SetBackgroundColour(const wxColour& colour){ is_used_bg_ = false; return wxControl::SetBackgroundColour(colour);} |
调用方式和wxButton一样.
1.先注册事件映射宏.
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EVT_BUTTON(Minimal_StartSimplePopup, MyFrame::OnStartSimplePopup) |
2.调用代码.
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wxBitmap* normal = new wxBitmap("./resources/start/start_normal.png", wxBITMAP_TYPE_PNG); wxBitmap* down = new wxBitmap("./resources/start/start_pressed.png", wxBITMAP_TYPE_PNG); wxBitmap* enter = new wxBitmap("./resources/start/start_current.png", wxBITMAP_TYPE_PNG); wxBitmap* disable = new wxBitmap("./resources/start/stop_normal.png", wxBITMAP_TYPE_PNG); wxBitmap bg = GetPositionBackgroundBitmap(0,0,normal->GetWidth(),normal->GetHeight()); start = new DhBitmapButton(page,Minimal_StartSimplePopup,wxPoint(0,0), normal->GetSize()); start->set_normal_bitmap(normal)->set_down_bitmap(down)->set_enter_bitmap(enter); start->set_disable_bitmap(disable); start->set_background(bg);wxBitmap MyFrame::GetPositionBackgroundBitmap(int x, int y, int width,int height){ wxRect rect; rect.x = x; rect.y = y; rect.width = width; rect.height = height; wxBitmap temp = this->bg.GetSubBitmap(rect); return temp;} |
3.当然我觉得有更好的方式.
比如重载这个类.wxBit
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/infoworld/article/details/10830237
