[纯C语言 + Win32 API]一步一步写个围棋程序之六：工具栏之二

#include <windows.h> #include <commctrl.h> #include "Resource.h" LRESULT CALLBACK WinProc(HWND, UINT, WPARAM, LPARAM); void OnCreate(HWND); void OnSize(HWND, UINT, WPARAM, LPARAM); void DivisionStatusbar(HWND, int, int, int *); HWND CreateToolbar(HWND, HBITMAP *, int, TBBUTTON *); HINSTANCE g_hInstance; //本程序实例句柄 TCHAR g_szCaption[MAX_PATH]; //标题栏文字 HWND g_hwndStatusbar; //状态栏句柄 HWND g_hwndToolbar; //工具栏句柄 int WINAPI WinMain(HINSTANCE hThisInstance, HINSTANCE hPrevInstance, LPSTR lpszArgument, int nCmdShow) { char szClassName[MAX_PATH] = "TryHandTalk"; WNDCLASSEX wc; HWND hwnd; MSG msg; g_hInstance = hThisInstance; wc.cbSize = sizeof(WNDCLASSEX); wc.style = CS_HREDRAW|CS_VREDRAW; //横纵大小改变时重绘客户端 wc.lpfnWndProc = WinProc; wc.cbClsExtra = 0; wc.cbWndExtra = 0; wc.hInstance = hThisInstance; wc.hIcon = LoadIcon(NULL, IDI_APPLICATION); wc.hCursor = LoadCursor(NULL, IDC_ARROW); wc.hbrBackground = (HBRUSH)COLOR_BACKGROUND; wc.lpszMenuName = MAKEINTRESOURCE(IDM_MENU); wc.lpszClassName = szClassName; wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION); if(!RegisterClassEx(&wc)) return 0; LoadString(g_hInstance, IDS_MAINCAPTION, g_szCaption, sizeof(g_szCaption)); hwnd = CreateWindow(szClassName, g_szCaption, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, HWND_DESKTOP, NULL, hThisInstance, NULL); if(NULL == hwnd) return 0; ShowWindow(hwnd, nCmdShow); while(GetMessage(&msg, NULL, 0, 0)) { TranslateMessage(&msg); DispatchMessage(&msg); } return msg.wParam; } LRESULT CALLBACK WinProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) { switch(msg) { case WM_CREATE: OnCreate(hwnd); break; case WM_SIZE: OnSize(hwnd, msg, wParam, lParam); break; case WM_DESTROY: PostQuitMessage(0); break; default: return DefWindowProc(hwnd, msg, wParam, lParam); } return 0; } void OnCreate(HWND hwnd) { TBBUTTON btnToolbar[] = //工具栏按钮结构 { {0, IDT_TOOLBAR_TURN, TBSTATE_ENABLED|TBSTATE_CHECKED, TBSTYLE_CHECKGROUP|TBSTYLE_AUTOSIZE}, {1, IDT_TOOLBAR_BLACK, TBSTATE_ENABLED, TBSTYLE_CHECKGROUP|TBSTYLE_AUTOSIZE}, {2, IDT_TOOLBAR_WHITE, TBSTATE_ENABLED, TBSTYLE_CHECKGROUP|TBSTYLE_AUTOSIZE}, {3, IDT_TOOLBAR_RESTRACT, TBSTYLE_BUTTON, TBSTYLE_AUTOSIZE} }; int n = sizeof(btnToolbar)/sizeof(TBBUTTON); //工具栏上按钮的个数 char szTemp[n][10]; //工具栏按钮提示文字 HBITMAP hbmpToolbar[3]; //工具栏按钮图片 int i; //注册并初始化通用控件窗口类 InitCommonControls(); //创建状态栏 g_hwndStatusbar = CreateWindow(STATUSCLASSNAME, NULL, WS_CHILD|WS_VISIBLE,0,0,0,0, hwnd, NULL, g_hInstance, NULL); //从文件中载入按钮图片 hbmpToolbar[0] = LoadImage(NULL, ".\\Res\\ToolbarNormal.bmp", IMAGE_BITMAP,0,0,LR_LOADFROMFILE); hbmpToolbar[1] = LoadImage(NULL, ".\\Res\\ToolbarHover.bmp", IMAGE_BITMAP,0,0,LR_LOADFROMFILE); hbmpToolbar[2] = LoadImage(NULL, ".\\Res\\ToolbarDisable.bmp", IMAGE_BITMAP,0,0,LR_LOADFROMFILE); //没有图片就使用文字 if(NULL == hbmpToolbar[0] || NULL == hbmpToolbar[1] || NULL == hbmpToolbar[2]) { //从资源中载入按钮提示文字 for(i=0; i<n; i++) { LoadString(g_hInstance, IDS_TOOLBAR_TURN+i, szTemp[i], sizeof(szTemp[i])); btnToolbar[i].iString = (INT_PTR)szTemp[i]; } } //创建工具栏 g_hwndToolbar = CreateToolbar(hwnd, hbmpToolbar, n, btnToolbar); //清理不再使用的资源 DeleteObject(hbmpToolbar[0]); DeleteObject(hbmpToolbar[1]); DeleteObject(hbmpToolbar[2]); } void OnSize(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) { int nwStatusbar[] = {55, 10, 15, 10, 10}; //状态栏各格宽度比例 RECT rc; //通知子窗口 SendMessage(g_hwndStatusbar, msg, wParam, lParam); SendMessage(g_hwndToolbar, msg, wParam, lParam); GetClientRect(hwnd, &rc); //分割状态栏 DivisionStatusbar(g_hwndStatusbar, rc.right, sizeof(nwStatusbar)/sizeof(int), nwStatusbar); } //分割状态栏 //参数：h 状态栏句柄，w 状态栏总宽度，n 状态栏划分格数，d[] 每格宽度比例 void DivisionStatusbar(HWND h, int w, int n, int *d) { int i, j=0, k=0; //各部分宽度比例总和，确保其非100的情况下不出错 for(i=0; i<n; i++) j += d[i]; //逐个计算实际宽度 for(i=0; i<n; i++) { k += d[i]*w; d[i] = k/j; } //分割 SendMessage(h, SB_SETPARTS, (WPARAM)n, (LPARAM)d); } //创建工具栏 //返回值：工具栏句柄 //参数：hwnd 主窗口句柄，b 3态位图资源，n 按钮数量，t 按钮结构 HWND CreateToolbar(HWND hwnd, HBITMAP *b, int n, TBBUTTON *t) { HIMAGELIST hImageListNormal, hImageListHover, hImageListDisable; BITMAP BMPInfo; HWND h; int i; //创建工具栏 h = CreateWindow(TOOLBARCLASSNAME, NULL, WS_CHILD|WS_VISIBLE|WS_BORDER|TBSTYLE_TOOLTIPS|TBSTYLE_FLAT|TBSTYLE_LIST|TBSTYLE_AUTOSIZE, 0,0,0,0, hwnd,(HMENU)IDT_TOOL_BAR, g_hInstance, NULL); if(NULL == h) return NULL; //加载按钮图片 if(b[0] && b[1] && b[2]) { GetObject(b[0],sizeof(BMPInfo),&BMPInfo); hImageListNormal = ImageList_Create(BMPInfo.bmWidth/n,BMPInfo.bmHeight,ILC_COLORDDB,3,1); ImageList_Add(hImageListNormal,b[0],NULL); SendMessage(h,TB_SETIMAGELIST,0,(LPARAM)hImageListNormal); GetObject(b[1],sizeof(BMPInfo),&BMPInfo); hImageListHover = ImageList_Create(BMPInfo.bmWidth/n,BMPInfo.bmHeight,ILC_COLORDDB,3,1); ImageList_Add(hImageListHover,b[1],NULL); SendMessage(h,TB_SETHOTIMAGELIST,0,(LPARAM)hImageListHover); GetObject(b[2],sizeof(BMPInfo),&BMPInfo); hImageListDisable = ImageList_Create(BMPInfo.bmWidth/n,BMPInfo.bmHeight,ILC_COLORDDB,3,1); ImageList_Add(hImageListDisable,b[2],NULL); SendMessage(h,TB_SETDISABLEDIMAGELIST,0,(LPARAM)hImageListDisable); DeleteObject(hImageListNormal); DeleteObject(hImageListHover); DeleteObject(hImageListDisable); } //设置按钮结构的大小 SendMessage(h, TB_BUTTONSTRUCTSIZE, (WPARAM)sizeof(TBBUTTON), 0); //将按钮与工具栏关联(添加按钮到工具栏中) SendMessage(h, TB_ADDBUTTONS, n, (LPARAM)t); return h; }