From 48540940b6c28bb4378abfeb500ec45a625b37b6 Mon Sep 17 00:00:00 2001 From: Vadim Dashevskiy Date: Tue, 15 May 2012 10:38:20 +0000 Subject: initial commit git-svn-id: http://svn.miranda-ng.org/main/trunk@2 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c --- plugins/srmm/richutil.c | 269 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 269 insertions(+) create mode 100644 plugins/srmm/richutil.c (limited to 'plugins/srmm/richutil.c') diff --git a/plugins/srmm/richutil.c b/plugins/srmm/richutil.c new file mode 100644 index 0000000000..14296717f7 --- /dev/null +++ b/plugins/srmm/richutil.c @@ -0,0 +1,269 @@ +/* +Copyright 2000-2010 Miranda IM project, +all portions of this codebase are copyrighted to the people +listed in contributors.txt. + +This program is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public License +as published by the Free Software Foundation; either version 2 +of the License, or (at your option) any later version. + +This program 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. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +*/ +#include "commonheaders.h" +#include "richutil.h" + +/* + To initialize this library, call: + RichUtil_Load(); + Before the application exits, call: + RichUtil_Unload(); + + Then to use the library (it draws the xp border around it), you need + to make sure you control has the WS_EX_CLIENTEDGE flag. Then you just + subclass it with: + RichUtil_SubClass(hwndEdit); + + If no xptheme is present, the window isn't subclassed the SubClass function + just returns. And if WS_EX_CLIENTEDGE isn't present, the subclass does nothing. + Otherwise it removes the border and draws it by itself. +*/ + +static SortedList sListInt; + +static int RichUtil_CmpVal(void *p1, void *p2) +{ + TRichUtil *tp1 = (TRichUtil*)p1; + TRichUtil *tp2 = (TRichUtil*)p2; + return (int)((INT_PTR)tp1->hwnd - (INT_PTR)tp2->hwnd); +} + +// UxTheme Stuff +static HMODULE mTheme; + +static HANDLE (WINAPI *MyOpenThemeData)(HWND, LPCWSTR); +static HRESULT (WINAPI *MyCloseThemeData)(HANDLE); +static BOOL (WINAPI *MyIsThemeActive)(VOID); +static HRESULT (WINAPI *MyDrawThemeBackground)(HANDLE, HDC, int, int, LPCRECT, LPCRECT); +static HRESULT (WINAPI *MyGetThemeBackgroundContentRect)(HANDLE, HDC, int, int, LPCRECT, LPRECT); +static HRESULT (WINAPI *MyDrawThemeParentBackground)(HWND, HDC, LPRECT); +static BOOL (WINAPI *MyIsThemeBackgroundPartiallyTransparent)(HANDLE, int, int); + +static CRITICAL_SECTION csRich; + +static LRESULT CALLBACK RichUtil_Proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam); +static void RichUtil_ClearUglyBorder(TRichUtil *ru); + +void RichUtil_Load(void) +{ + sListInt.increment = 10; + sListInt.sortFunc = RichUtil_CmpVal; + + mTheme = IsWinVerXPPlus() ? GetModuleHandleA("uxtheme") : 0; + + InitializeCriticalSection(&csRich); + if (!mTheme) return; + + MyOpenThemeData = (HANDLE (WINAPI *)(HWND, LPCWSTR))GetProcAddress(mTheme, "OpenThemeData"); + MyCloseThemeData = (HRESULT (WINAPI *)(HANDLE))GetProcAddress(mTheme, "CloseThemeData"); + MyIsThemeActive = (BOOL (WINAPI *)(VOID))GetProcAddress(mTheme, "IsThemeActive"); + MyDrawThemeBackground = (HRESULT (WINAPI *)(HANDLE, HDC, int, int, const RECT*, const RECT *))GetProcAddress(mTheme, "DrawThemeBackground"); + MyGetThemeBackgroundContentRect = (HRESULT (WINAPI *)(HANDLE, HDC, int, int, const RECT *, RECT *))GetProcAddress(mTheme, "GetThemeBackgroundContentRect"); + MyDrawThemeParentBackground = (HRESULT (WINAPI *)(HWND, HDC, RECT*))GetProcAddress(mTheme, "DrawThemeParentBackground"); + MyIsThemeBackgroundPartiallyTransparent = (BOOL (WINAPI *)(HANDLE, int, int))GetProcAddress(mTheme, "IsThemeBackgroundPartiallyTransparent"); + + if (!MyOpenThemeData || + !MyCloseThemeData || + !MyIsThemeActive || + !MyDrawThemeBackground || + !MyGetThemeBackgroundContentRect || + !MyDrawThemeParentBackground || + !MyIsThemeBackgroundPartiallyTransparent) + { + FreeLibrary(mTheme); + mTheme = NULL; + } +} + +void RichUtil_Unload(void) +{ + li.List_Destroy(&sListInt); + DeleteCriticalSection(&csRich); + if (mTheme) + FreeLibrary(mTheme); +} + +int RichUtil_SubClass(HWND hwndEdit) +{ + if (IsWindow(hwndEdit)) + { + int idx; + + TRichUtil *ru = (TRichUtil*)mir_calloc(sizeof(TRichUtil)); + + ru->hwnd = hwndEdit; + ru->hasUglyBorder = 0; + + EnterCriticalSection(&csRich); + if (!li.List_GetIndex(&sListInt, ru, &idx)) + li.List_Insert(&sListInt, ru, idx); + LeaveCriticalSection(&csRich); + + ru->origProc = (WNDPROC)SetWindowLongPtr(ru->hwnd, GWLP_WNDPROC, (LONG_PTR)&RichUtil_Proc); + RichUtil_ClearUglyBorder(ru); + return 1; + } + return 0; +} + +static LRESULT CALLBACK RichUtil_Proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + TRichUtil *ru; + + EnterCriticalSection(&csRich); + ru = li.List_Find(&sListInt, (TRichUtil*)&hwnd); + LeaveCriticalSection(&csRich); + + if (ru == NULL) return 0; + + switch(msg) + { + case WM_CHAR: + { + HWND hwndMsg = GetDlgItem(GetParent(hwnd), IDC_MESSAGE); + if (hwndMsg != hwnd) + { + SetFocus(hwndMsg); + SendMessage(hwndMsg, WM_CHAR, wParam, lParam); + } + break; + } + + case WM_THEMECHANGED: + case WM_STYLECHANGED: + { + RichUtil_ClearUglyBorder(ru); + break; + } + + case WM_NCPAINT: + { + LRESULT ret = CallWindowProc(ru->origProc, hwnd, msg, wParam, lParam); + if (ru->hasUglyBorder && MyIsThemeActive()) + { + HANDLE hTheme = MyOpenThemeData(ru->hwnd, L"EDIT"); + if (hTheme) + { + RECT rcBorder; + RECT rcClient; + int nState; + HDC hdc = GetWindowDC(ru->hwnd); + LONG style = GetWindowLong(hwnd, GWL_STYLE); + + GetWindowRect(hwnd, &rcBorder); + rcBorder.right -= rcBorder.left; rcBorder.bottom -= rcBorder.top; + rcBorder.left = rcBorder.top = 0; + CopyRect(&rcClient, &rcBorder); + rcClient.left += ru->rect.left; + rcClient.top += ru->rect.top; + rcClient.right -= ru->rect.right; + rcClient.bottom -= ru->rect.bottom; + ExcludeClipRect(hdc, rcClient.left, rcClient.top, rcClient.right, rcClient.bottom); + + if (MyIsThemeBackgroundPartiallyTransparent(hTheme, EP_EDITTEXT, ETS_NORMAL)) + MyDrawThemeParentBackground(hwnd, hdc, &rcBorder); + + if (style & WS_DISABLED) + nState = ETS_DISABLED; + else if (style & ES_READONLY) + nState = ETS_READONLY; + else + nState = ETS_NORMAL; + + MyDrawThemeBackground(hTheme, hdc, EP_EDITTEXT, nState, &rcBorder, NULL); + MyCloseThemeData(hTheme); + ReleaseDC(hwnd, hdc); + return 0; + } + } + return ret; + } + case WM_NCCALCSIZE: + { + LRESULT ret = CallWindowProc(ru->origProc, hwnd, msg, wParam, lParam); + NCCALCSIZE_PARAMS *ncsParam = (NCCALCSIZE_PARAMS*)lParam; + + if (ru->hasUglyBorder && MyIsThemeActive()) + { + HANDLE hTheme = MyOpenThemeData(hwnd, L"EDIT"); + + if (hTheme) + { + RECT rcClient ={0}; + HDC hdc = GetDC(GetParent(hwnd)); + + if (MyGetThemeBackgroundContentRect(hTheme, hdc, EP_EDITTEXT, ETS_NORMAL, &ncsParam->rgrc[0], &rcClient) == S_OK) + { + ru->rect.left = rcClient.left-ncsParam->rgrc[0].left; + ru->rect.top = rcClient.top-ncsParam->rgrc[0].top; + ru->rect.right = ncsParam->rgrc[0].right-rcClient.right; + ru->rect.bottom = ncsParam->rgrc[0].bottom-rcClient.bottom; + ncsParam->rgrc[0] = rcClient; + + MyCloseThemeData(hTheme); + ReleaseDC(GetParent(hwnd), hdc); + return WVR_REDRAW; + } + ReleaseDC(GetParent(hwnd), hdc); + MyCloseThemeData(hTheme); + } + } + return ret; + } + + case WM_ENABLE: + RedrawWindow(hwnd, NULL, NULL, RDW_INVALIDATE | RDW_NOCHILDREN | RDW_UPDATENOW | RDW_FRAME); + break; + + case WM_GETDLGCODE: + return CallWindowProc(ru->origProc, hwnd, msg, wParam, lParam) & ~DLGC_HASSETSEL; + + case WM_NCDESTROY: + { + LRESULT ret = CallWindowProc(ru->origProc, hwnd, msg, wParam, lParam); + + if (IsWindow(hwnd)) + { + if((WNDPROC)GetWindowLongPtr(hwnd, GWLP_WNDPROC) == &RichUtil_Proc) + SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)ru->origProc); + } + + EnterCriticalSection(&csRich); + li.List_RemovePtr(&sListInt, ru); + LeaveCriticalSection(&csRich); + + mir_free(ru); + return ret; + } + } + return CallWindowProc(ru->origProc, hwnd, msg, wParam, lParam); +} + +static void RichUtil_ClearUglyBorder(TRichUtil *ru) +{ + if (mTheme && MyIsThemeActive() && GetWindowLongPtr(ru->hwnd, GWL_EXSTYLE) & WS_EX_CLIENTEDGE) + { + ru->hasUglyBorder = 1; + SetWindowLongPtr(ru->hwnd, GWL_EXSTYLE, GetWindowLongPtr(ru->hwnd, GWL_EXSTYLE) ^ WS_EX_CLIENTEDGE); + } + // Redraw window since the style may have changed + SetWindowPos(ru->hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_FRAMECHANGED); + RedrawWindow(ru->hwnd, NULL, NULL, RDW_INVALIDATE | RDW_NOCHILDREN | RDW_UPDATENOW | RDW_FRAME); +} -- cgit v1.2.3