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402 lines
10 KiB
402 lines
10 KiB
/*-----------------------------------------------------------------------
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**
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** Hotkey.c
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**
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** Hotkey edit control.
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**
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**-----------------------------------------------------------------------*/
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//
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// Win32 REVIEW:
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// See all the Get/SetWindowInt().
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//
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#include "ctlspriv.h"
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#define F_EXT 0x01000000L
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#define GWU_VIRTKEY 0
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#define GWU_MODS 1*sizeof(ULONG_PTR)
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#define GWU_INVALID 2*sizeof(ULONG_PTR)
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#define GWU_DEFAULT 3*sizeof(ULONG_PTR)
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#define GWU_HFONT 4*sizeof(ULONG_PTR)
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#define GWU_YFONT 5*sizeof(ULONG_PTR)
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#define GWU_HTHEME 6*sizeof(ULONG_PTR)
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#define NUM_WND_EXTRA (GWU_HTHEME+sizeof(ULONG_PTR))
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LRESULT CALLBACK HotKeyWndProc(HWND hwnd, UINT wMsg, WPARAM wParam, LPARAM lParam);
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BOOL InitHotKeyClass(HINSTANCE hInstance)
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{
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WNDCLASS wc;
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wc.lpfnWndProc = HotKeyWndProc;
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wc.lpszClassName = s_szHOTKEY_CLASS;
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wc.style = CS_GLOBALCLASS;
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wc.hInstance = hInstance;
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wc.hIcon = NULL;
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wc.hCursor = NULL;
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wc.hbrBackground = NULL;
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wc.lpszMenuName = NULL;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = NUM_WND_EXTRA;
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return (RegisterClass(&wc) || (GetLastError() == ERROR_CLASS_ALREADY_EXISTS));
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}
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const UINT s_Combos[8] = {
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HKCOMB_NONE,
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HKCOMB_S,
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HKCOMB_C,
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HKCOMB_SC,
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HKCOMB_A,
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HKCOMB_SA,
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HKCOMB_CA,
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HKCOMB_SCA};
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void SetHotKey(HWND hwnd, WORD wVirtKey, WORD wMods, BOOL fSendNotify)
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{
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/* don't invalidate if it's the same
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*/
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if (wVirtKey == GetWindowInt(hwnd, GWU_VIRTKEY) &&
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wMods == GetWindowInt(hwnd, GWU_MODS))
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return;
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SetWindowInt(hwnd, GWU_VIRTKEY ,wVirtKey);
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SetWindowInt(hwnd, GWU_MODS ,wMods);
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InvalidateRect(hwnd,NULL,TRUE);
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if (fSendNotify) {
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FORWARD_WM_COMMAND(GetParent(hwnd), GetDlgCtrlID(hwnd), hwnd, EN_CHANGE, SendMessage);
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}
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NotifyWinEvent(EVENT_OBJECT_VALUECHANGE, hwnd, OBJID_CLIENT, 0);
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}
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DWORD GetKeyName(UINT vk, LPTSTR lpsz, DWORD cch, BOOL fExt)
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{
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LONG scan;
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scan = (LONG)MapVirtualKey(vk,0) << 16;
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if (fExt)
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{
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scan |= F_EXT;
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}
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return (cch > 0) ? GetKeyNameText(scan, lpsz, cch) : 0;
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}
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void PaintHotKey(register HWND hwnd)
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{
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TCHAR sz[128];
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TCHAR szPlus[10];
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int cch;
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register HDC hdc;
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UINT wMods;
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UINT wVirtKey;
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PAINTSTRUCT ps;
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int x, y;
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HANDLE hFont;
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LocalizedLoadString(IDS_PLUS, szPlus, ARRAYSIZE(szPlus));
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wVirtKey = (UINT) GetWindowInt(hwnd, GWU_VIRTKEY);
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wMods = (UINT) GetWindowInt(hwnd, GWU_MODS);
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if (wVirtKey || wMods)
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{
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sz[0] = 0;
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cch = 0;
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if (wMods & HOTKEYF_CONTROL)
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{
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GetKeyName(VK_CONTROL, sz, ARRAYSIZE(sz), FALSE);
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StringCchCat(sz, ARRAYSIZE(sz), szPlus);
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}
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if (wMods & HOTKEYF_SHIFT)
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{
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cch = lstrlen(sz);
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GetKeyName(VK_SHIFT, sz+cch, ARRAYSIZE(sz)-cch, FALSE);
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StringCchCat(sz, ARRAYSIZE(sz), szPlus);
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}
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if (wMods & HOTKEYF_ALT)
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{
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cch = lstrlen(sz);
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GetKeyName(VK_MENU, sz+cch, ARRAYSIZE(sz)-cch, FALSE);
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StringCchCat(sz, ARRAYSIZE(sz), szPlus);
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}
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cch = lstrlen(sz);
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GetKeyName(wVirtKey, sz+cch, ARRAYSIZE(sz)-cch, wMods & HOTKEYF_EXT);
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}
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else
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{
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LocalizedLoadString(IDS_NONE,sz,100);
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}
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cch = lstrlen(sz);
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HideCaret(hwnd);
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InvalidateRect(hwnd, NULL, TRUE);
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hdc = BeginPaint(hwnd,&ps);
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hFont = SelectObject(hdc, (HFONT)GetWindowInt(hwnd,GWU_HFONT));
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x = g_cxBorder;
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y = g_cyBorder;
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if (IsWindowEnabled(hwnd))
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{
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SetBkColor(hdc, g_clrWindow);
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SetTextColor(hdc, g_clrWindowText);
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TextOut(hdc,x,y,sz,cch);
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}
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else
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{
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// set the background color to Grayed like edit controls
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SetBkColor(hdc, g_clrBtnFace);
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if (g_clrGrayText)
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{
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SetTextColor(hdc,g_clrGrayText);
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TextOut(hdc,x,y,sz,cch);
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}
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else
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{
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GrayString(hdc,NULL,NULL,(ULONG_PTR)(LPTSTR)sz,cch,x,y,0,0);
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}
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}
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MGetTextExtent(hdc, sz, cch, &x, NULL);
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if (GetFocus() == hwnd)
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SetCaretPos(x+g_cxBorder,
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g_cyBorder);
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ShowCaret(hwnd);
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EndPaint(hwnd,&ps);
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}
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void HKMSetRules(HWND hwnd, WPARAM wParam, LPARAM lParam)
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{
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SetWindowInt(hwnd, GWU_INVALID, wParam);
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SetWindowInt(hwnd, GWU_DEFAULT, lParam);
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}
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HFONT HKMSetFont(HWND hwnd, HFONT wParam)
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{
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HFONT lParam;
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HDC hdc;
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INT cy;
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lParam = (HFONT)GetWindowInt(hwnd,GWU_HFONT);
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SetWindowInt(hwnd,GWU_HFONT,(LONG_PTR)wParam);
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hdc = GetDC(hwnd);
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if (wParam)
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wParam = SelectObject(hdc, wParam);
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MGetTextExtent(hdc, TEXT("C"), 1, NULL, &cy);
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SetWindowInt(hwnd,GWU_YFONT,cy);
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if (wParam)
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SelectObject(hdc, wParam);
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ReleaseDC(hwnd,hdc);
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InvalidateRect(hwnd,NULL,TRUE);
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return lParam;
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}
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LRESULT CALLBACK HotKeyWndProc(HWND hwnd, UINT wMsg, WPARAM wParam, LPARAM lParam)
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{
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WORD wVirtKey;
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WORD wMods;
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RECT rc;
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HDC hdc;
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switch (wMsg)
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{
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case WM_NCCREATE:
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SetWindowBits(hwnd, GWL_EXSTYLE, WS_EX_CLIENTEDGE, WS_EX_CLIENTEDGE);
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InitGlobalColors();
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return TRUE;
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case WM_CREATE:
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{
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HTHEME hTheme;
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SetHotKey(hwnd, 0, 0, FALSE);
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HKMSetRules(hwnd, 0, 0);
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HKMSetFont(hwnd, g_hfontSystem);
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hTheme = OpenThemeData(hwnd, L"Combobox");
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if (hTheme)
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SetWindowLongPtr(hwnd, GWU_HTHEME, (ULONG_PTR)hTheme);
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}
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break;
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case WM_DESTROY:
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{
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HTHEME hTheme = (HTHEME)GetWindowLongPtr(hwnd, GWU_HTHEME);
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if (hTheme)
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CloseThemeData(hTheme);
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}
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break;
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case WM_NCPAINT:
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{
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HTHEME hTheme = (HTHEME)GetWindowLongPtr(hwnd, GWU_HTHEME);
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if (hTheme)
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{
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HRGN hrgn = (wParam != 1) ? (HRGN)wParam : NULL;
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HBRUSH hbr = (HBRUSH)GetClassLongPtr(hwnd, GCLP_HBRBACKGROUND);
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if (CCDrawNonClientTheme(hTheme, hwnd, hrgn, hbr, 0, CBXS_NORMAL))
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{
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break;
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}
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}
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}
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goto DoDefault;
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case WM_THEMECHANGED:
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{
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HTHEME hTheme = (HTHEME)GetWindowLongPtr(hwnd, GWU_HTHEME);
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if (hTheme)
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CloseThemeData(hTheme);
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hTheme = OpenThemeData(hwnd, L"Combobox");
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SetWindowLongPtr(hwnd, GWU_HTHEME, (ULONG_PTR)hTheme); // Set a NULL if OpenThemeData fails
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}
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break;
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case WM_SETFOCUS:
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InvalidateRect(hwnd,NULL,TRUE);
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CreateCaret(hwnd,NULL,0,(int)GetWindowInt(hwnd,GWU_YFONT));
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ShowCaret(hwnd);
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break;
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case WM_KILLFOCUS:
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if (!GetWindowInt(hwnd, GWU_VIRTKEY))
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SetHotKey(hwnd, 0, 0, TRUE);
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DestroyCaret();
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break;
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case WM_GETDLGCODE:
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return DLGC_WANTCHARS | DLGC_WANTARROWS; // | DLGC_WANTALLKEYS;
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case HKM_SETHOTKEY:
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SetHotKey(hwnd, LOBYTE(wParam), HIBYTE(wParam), FALSE);
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break;
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case HKM_GETHOTKEY:
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return (256*(BYTE)GetWindowInt(hwnd, GWU_MODS)) +
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((BYTE)GetWindowInt(hwnd, GWU_VIRTKEY));
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break;
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case HKM_SETRULES:
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HKMSetRules(hwnd, wParam, LOWORD(lParam));
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break;
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case WM_LBUTTONDOWN:
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SetFocus(hwnd);
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break;
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case WM_SYSKEYDOWN:
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case WM_KEYDOWN:
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switch (wParam)
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{
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case VK_RETURN:
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case VK_TAB:
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case VK_SPACE:
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case VK_DELETE:
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case VK_ESCAPE:
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case VK_BACK:
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case VK_LWIN:
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case VK_RWIN:
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case VK_APPS:
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SetHotKey(hwnd, 0, 0, TRUE);
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return DefWindowProc(hwnd,wMsg,wParam,lParam);
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case VK_MENU:
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case VK_SHIFT:
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case VK_CONTROL:
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wVirtKey = 0;
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goto SetNewHotKey;
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default:
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wVirtKey = (WORD) wParam;
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SetNewHotKey:
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wMods = 0;
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if (GetKeyState(VK_CONTROL) < 0)
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wMods |= HOTKEYF_CONTROL;
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if (GetKeyState(VK_SHIFT) < 0)
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wMods |= HOTKEYF_SHIFT;
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if (GetKeyState(VK_MENU) < 0)
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wMods |= HOTKEYF_ALT;
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#define IsFUNKEY(vk) ((vk) >= VK_F1 && (vk) <= VK_F24)
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#define IsNUMKEY(vk) ((vk) >= VK_NUMPAD0 && (vk) <= VK_DIVIDE)
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//
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// dont enforce any rules on the Function keys or
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// on the number pad keys.
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//
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// if this combination is invalid, use the default
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if (!IsFUNKEY(wVirtKey) &&
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!IsNUMKEY(wVirtKey) &&
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(s_Combos[wMods] & GetWindowInt(hwnd, GWU_INVALID)))
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{
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wMods = (WORD)GetWindowInt(hwnd, GWU_DEFAULT);
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}
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if (lParam & F_EXT)
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wMods |= HOTKEYF_EXT;
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SetHotKey(hwnd, wVirtKey, wMods, TRUE);
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break;
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}
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break;
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case WM_SYSKEYUP:
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case WM_CHAR:
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case WM_SYSCHAR:
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case WM_KEYUP:
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if (!GetWindowInt(hwnd, GWU_VIRTKEY))
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SetHotKey(hwnd, 0, 0, TRUE);
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break;
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case WM_GETFONT:
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return GetWindowInt(hwnd,GWU_HFONT);
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case WM_SETFONT:
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return (LRESULT)(UINT_PTR)HKMSetFont(hwnd, (HFONT)wParam);
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case WM_PAINT:
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PaintHotKey(hwnd);
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break;
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case WM_ERASEBKGND:
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HideCaret(hwnd);
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hdc = GetDC(hwnd);
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GetClientRect(hwnd, &rc);
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if (IsWindowEnabled(hwnd)) {
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FillRect(hdc, &rc, g_hbrWindow);
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} else {
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FillRect(hdc, &rc, g_hbrBtnFace);
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}
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ReleaseDC(hwnd, hdc);
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// lParam = DefWindowProc(hwnd,wMsg,wParam,lParam);
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ShowCaret(hwnd);
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return TRUE;
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case WM_GETOBJECT:
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if( lParam == OBJID_QUERYCLASSNAMEIDX )
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return MSAA_CLASSNAMEIDX_HOTKEY;
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goto DoDefault;
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case WM_ENABLE:
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InvalidateRect(hwnd, NULL, TRUE);
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goto DoDefault;
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default:
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DoDefault:
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return DefWindowProc(hwnd,wMsg,wParam,lParam);
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}
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return 0L;
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}
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