Win32_SDK_C_TabControl_source

/****************************************************************************\ * * FILE: TABCTRL.C * * PURPOSE: Code for managing tab control property page dialogs C file. * * COMMENTS: This source is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * FUNCTIONS: * EXPORTS: * New_TabControl() - Initialize a TABCTRL struct, create tab page dialogs * and start the message loop * TabControl_Destroy() - Destroy the tab page dialogs and * free the list of pointers to the dialogs. * EXPORTED * VIA POINTER: * CenterTabPage() - Center the tab page in the tab control's display area * StretchTabPage() - Stretch the tab page in the tab control's display area * Notify() - Handle WM_NOTIFY messages * LOCALS: * TabControl_GetClientRect() - Return a Client rectangle for the tab control under * every possible configuration (tabs, buttons vert etc.) * TabCtrl_OnKeyDown() - Handle key presses in the tab control (but not the tab pages) * CreateAccTable() - Creates a table of keyboard accelerators * TabPage_OnCommand() - Handle the Dialog virtual keys while * forwarding the rest of the commands to ParentProc. * TabPage_OnLButtonDown() - Handle WM_LBUTTONDOWN (tab page dialog) * TabPage_OnSize() - Handle WM_SIZE (tab page dialog) * TabPage_OnInitDialog() - Handle WM_INITDIALOG (tab page dialog) * TabPage_DlgProc() - Window Procedure for the tab pages (dialogs) * TabPageMessageLoop() - Monitor and respond to user keyboard input and system messages (tab page dialog) * ResetTabPageMessageLoop() - Toggles message loop so that it is active only in the tab page * TabCtrl_OnSelChanged() - A tab has been pressed, Handle TCN_SELCHANGE notification * * Copyright 2006 David MacDermot. * * * History: * JUNE '06 - Created * JULY '07 - line 57: Replaced LPTABCTRL this, with LPTABCTRL m_lptc * and updated the rest of the code and comments * to reflect the change. * \****************************************************************************/ #include <windows.h> #include <windowsx.h> #include <commctrl.h> #include "TabCtrl.h" #include "resource.h" /****************************************************************************/ // Internal Globals #define CMD_VK_ESCAPE 101 #define CMD_VK_RETURN 102 static LPTABCTRL m_lptc; static BOOL stopTabPageMessageLoop=FALSE; /****************************************************************************/ // Local function prototypes static VOID TabPageMessageLoop (HWND); VOID ResetTabPageMessageLoop (HWND); /**************************************************************************** * * FUNCTION: TabControl_GetClientRect * * PURPOSE: Return a Client rectangle for the tab control under * every possible configuration (tabs, buttons vert etc.) * * PARAMS: HWND hwnd - handle of a tab control * RECT *prc - pointer to a rectangle structure * * RETURNS: VOID * * COMMENTS: The rectangle structure is populated as follows: * prc.left = left, prc.top = top, prc.right = WIDTH, and prc.bottom = HEIGHT * * History: * June '06 - Created * \****************************************************************************/ VOID TabControl_GetClientRect(HWND hwnd,RECT* prc) { RECT rtab_0; LONG lStyle = GetWindowLong(hwnd,GWL_STYLE); // Calculate the tab control's display area GetWindowRect(hwnd, prc); ScreenToClient(GetParent(hwnd), (POINT*)&prc->left); ScreenToClient(hwnd, (POINT*)&prc->right); TabCtrl_GetItemRect(hwnd,0,&rtab_0); //The tab itself if((lStyle & TCS_BOTTOM) && (lStyle & TCS_VERTICAL)) //Tabs to Right { prc->top = prc->top + 6; //x coord prc->left = prc->left + 4; //y coord prc->bottom = prc->bottom - 12; // height prc->right = prc->right - (12 + rtab_0.right-rtab_0.left); // width } else if(lStyle & TCS_VERTICAL) //Tabs to Left { prc->top = prc->top + 6; //x coord prc->left = prc->left + (4 + rtab_0.right-rtab_0.left); //y coord prc->bottom = prc->bottom - 12; // height prc->right = prc->right - (12 + rtab_0.right-rtab_0.left); // width } else if(lStyle & TCS_BOTTOM) //Tabs on Bottom { prc->top = prc->top + 6; //x coord prc->left = prc->left + 4; //y coord prc->bottom = prc->bottom - (16 + rtab_0.bottom-rtab_0.top); // height prc->right = prc->right - 12; // width } else //Tabs on top { prc->top = prc->top + (6 + rtab_0.bottom-rtab_0.top); //x coord prc->left = prc->left + 4; //y coord prc->bottom = prc->bottom - (16 + rtab_0.bottom-rtab_0.top); // height prc->right = prc->right - 12; // width } } /**************************************************************************** * * FUNCTION: CenterTabPage * * PURPOSE: Center the tab page in the tab control's display area. * * PARAMS: HWND hTab - handle tab control * INT iPage - index of tab page * * RETURNS: BOOL - TRUE if successful * * * History: * June '06 - Created * \****************************************************************************/ BOOL CenterTabPage (HWND hTab, INT iPage) { RECT rect, rclient; // Update m_lptc pointer m_lptc = (LPTABCTRL) GetWindowLong(hTab,GWL_USERDATA); TabControl_GetClientRect(hTab, &rect); // left, top, width, height // Get the tab page size GetClientRect(m_lptc->hTabPages[iPage], &rclient); rclient.right=rclient.right-rclient.left;// width rclient.bottom=rclient.bottom-rclient.top;// height rclient.left= rect.left; rclient.top= rect.top; // Center the tab page, or cut it off at the edge of the tab control(bad) if(rclient.right<rect.right) rclient.left += (rect.right-rclient.right)/2; if(rclient.bottom<rect.bottom) rclient.top += (rect.bottom-rclient.bottom)/2; // Move the child and put it on top return SetWindowPos(m_lptc->hTabPages[iPage], HWND_TOP, rclient.left, rclient.top, rclient.right, rclient.bottom, 0); } /**************************************************************************** * * FUNCTION: StretchTabPage * * PURPOSE: Stretch the tab page to fit the tab control's display area. * * PARAMS: HWND hTab - handle tab control * INT iPage - index of tab page * * RETURNS: BOOL - TRUE if successful * * * History: * June '06 - Created * \****************************************************************************/ BOOL StretchTabPage (HWND hTab, INT iPage) { RECT rect; // Update m_lptc pointer m_lptc = (LPTABCTRL) GetWindowLong(hTab,GWL_USERDATA); TabControl_GetClientRect(hTab, &rect); // left, top, width, height // Move the child and put it on top return SetWindowPos(m_lptc->hTabPages[iPage], HWND_TOP, rect.left, rect.top, rect.right, rect.bottom, 0); } /**************************************************************************** * * FUNCTION: TabCtrl_OnKeyDown * * PURPOSE: Handle key presses in the tab control (but not the tab pages). * * PARAMS: LPARAM lParam - lParam furnished by parent proc's WM_NOTIFY handler * * RETURNS: VOID * * History: * June '06 - Created * \******************