www.gusucode.com > 基于Visual C++高级界面特效制作百例源码程序 > 基于Visual C++高级界面特效制作百例源码程序/code/char15/colorpicker/选择颜色的组合框.cpp
实现的头文件combocolorpicker.h #if !defined(afx_combocolorpicker_h__b2348841_5541_11d1_8756_00a0c9181e86__included_) #define afx_combocolorpicker_h__b2348841_5541_11d1_8756_00a0c9181e86__included_ #if _msc_ver >= 1000 #pragma once #endif // _msc_ver >= 1000 // combocolorpicker.h : header file // ? 1997 baldvin hansson ///////////////////////////////////////////////////////////////////////////// // ccombocolorpicker window class ccombocolorpicker : public ccombobox { // construction public: ccombocolorpicker(); // attributes private: bool m_binitialized; static colorref m_rgstandardcolors[]; public: // operations private: void initializedata(); public: colorref getselectedcolor(); // overrides // classwizard generated virtual function overrides //{{afx_virtual(ccombocolorpicker) protected: virtual void presubclasswindow(); //}}afx_virtual virtual void drawitem(lpdrawitemstruct lpdrawitemstruct); // implementation public: virtual ~ccombocolorpicker(); // generated message map functions protected: //{{afx_msg(ccombocolorpicker) afx_msg int oncreate(lpcreatestruct lpcreatestruct); //}}afx_msg declare_message_map() }; ///////////////////////////////////////////////////////////////////////////// //{{afx_insert_location}} // microsoft developer studio will insert additional declarations immediately before the previous line. #endif // !defined(afx_combocolorpicker_h__b2348841_5541_11d1_8756_00a0c9181e86__included_) 实现文件 combocolorpicker.cpp // combocolorpicker.cpp : implementation file // ? 1997 baldvin hansson #include "stdafx.h" #include "combocolorpicker.h" #ifdef _debug #define new debug_new #undef this_file static char this_file[] = __file__; #endif ///////////////////////////////////////////////////////////////////////////// // ccombocolorpicker colorref ccombocolorpicker::m_rgstandardcolors[] = { rgb(0, 0, 0), // black rgb(255, 255, 255), // white rgb(128, 0, 0), // dark red rgb(0, 128, 0), // dark green rgb(128, 128, 0), // dark yellow rgb(0, 0, 128), // dark blue rgb(128, 0, 128), // dark magenta rgb(0, 128, 128), // dark cyan rgb(192, 192, 192), // light grey rgb(128, 128, 128), // dark grey rgb(255, 0, 0), // red rgb(0, 255, 0), // green rgb(255, 255, 0), // yellow rgb(0, 0, 255), // blue rgb(255, 0, 255), // magenta rgb(0, 255, 255), // cyan }; ccombocolorpicker::ccombocolorpicker() { m_binitialized = false; } ccombocolorpicker::~ccombocolorpicker() { } begin_message_map(ccombocolorpicker, ccombobox) //{{afx_msg_map(ccombocolorpicker) on_wm_create() //}}afx_msg_map end_message_map() ///////////////////////////////////////////////////////////////////////////// // ccombocolorpicker message handlers int ccombocolorpicker::oncreate(lpcreatestruct lpcreatestruct) { if (ccombobox::oncreate(lpcreatestruct) == -1) return -1; initializedata(); return 0; } void ccombocolorpicker::presubclasswindow() { initializedata(); ccombobox::presubclasswindow(); } void ccombocolorpicker::initializedata() { int nitem; if (m_binitialized) return; for (int ncolor = 0; ncolor hdc)) return; colorref rgbtextcolor = dc.gettextcolor(); colorref rgbbkcolor = dc.getbkcolor(); if (lpdrawitemstruct->itemaction & oda_focus) { dc.drawfocusrect(&lpdrawitemstruct->rcitem); } else if (lpdrawitemstruct->itemaction & oda_drawentire) { if (lpdrawitemstruct->itemstate & ods_focus) dc.drawfocusrect(&lpdrawitemstruct->rcitem); else dc.exttextout(0, 0, eto_opaque, &lpdrawitemstruct->rcitem, _t(""), 0, null); } if (0 <= (int)lpdrawitemstruct->itemid) // any item selected? { ::inflaterect(&lpdrawitemstruct->rcitem, -2, -2); dc.fillsolidrect(&lpdrawitemstruct->rcitem, (colorref)lpdrawitemstruct->itemdata); dc.framerect(&lpdrawitemstruct->rcitem, &brushblack); } // restore the dc state dc.settextcolor(rgbtextcolor); dc.setbkcolor(rgbbkcolor); dc.detach(); } colorref ccombocolorpicker::getselectedcolor() { int nitem = getcursel(); if (cb_err == nitem) return rgb(0, 0, 0); // default to black if nothing is selected return m_rgstandardcolors[nitem]; }