diff options
Diffstat (limited to 'src/gui_w32.c')
| -rw-r--r-- | src/gui_w32.c | 188 |
1 files changed, 171 insertions, 17 deletions
diff --git a/src/gui_w32.c b/src/gui_w32.c index f0b47172e..52c8abeaf 100644 --- a/src/gui_w32.c +++ b/src/gui_w32.c @@ -188,8 +188,61 @@ static VOID CALLBACK BevalTimerProc __ARGS((HWND hwnd, UINT uMsg, UINT idEvent, static BalloonEval *cur_beval = NULL; static UINT BevalTimerId = 0; static DWORD LastActivity = 0; + +/* + * excerpts from headers since this may not be presented + * in the extremelly old compilers + */ +#include <pshpack1.h> + +typedef struct _DllVersionInfo +{ + DWORD cbSize; + DWORD dwMajorVersion; + DWORD dwMinorVersion; + DWORD dwBuildNumber; + DWORD dwPlatformID; +} DLLVERSIONINFO; + +typedef struct tagTOOLINFOA_NEW +{ + UINT cbSize; + UINT uFlags; + HWND hwnd; + UINT uId; + RECT rect; + HINSTANCE hinst; + LPSTR lpszText; + LPARAM lParam; +} TOOLINFO_NEW; + +typedef struct tagNMTTDISPINFO_NEW +{ + NMHDR hdr; + LPTSTR lpszText; + char szText[80]; + HINSTANCE hinst; + UINT uFlags; + LPARAM lParam; +} NMTTDISPINFO_NEW; + +#include <poppack.h> + +typedef HRESULT (WINAPI* DLLGETVERSIONPROC)(DLLVERSIONINFO *); +#ifndef TTM_SETMAXTIPWIDTH +# define TTM_SETMAXTIPWIDTH (WM_USER+24) +#endif + +#ifndef TTF_DI_SETITEM +# define TTF_DI_SETITEM 0x8000 #endif +#ifndef TTN_GETDISPINFO +# define TTN_GETDISPINFO (TTN_FIRST - 0) +#endif + +#endif /* defined(FEAT_BEVAL) */ + /* Local variables: */ #ifdef FEAT_MENU @@ -4021,13 +4074,93 @@ gui_mch_destroy_sign(sign) * 5) WM_NOTOFY:TTN_POP destroys created tooltip */ +/* + * determine whether installed Common Controls support multiline tooltips + * (i.e. their version is >= 4.70 + */ + int +multiline_balloon_available(void) +{ + HINSTANCE hDll; + static char comctl_dll[] = "comctl32.dll"; + static int multiline_tip = MAYBE; + + if (multiline_tip != MAYBE) + return multiline_tip; + + hDll = GetModuleHandle(comctl_dll); + if (hDll != NULL) + { + DLLGETVERSIONPROC pGetVer; + pGetVer = (DLLGETVERSIONPROC)GetProcAddress(hDll, "DllGetVersion"); + + if (pGetVer != NULL) + { + DLLVERSIONINFO dvi; + HRESULT hr; + + ZeroMemory(&dvi, sizeof(dvi)); + dvi.cbSize = sizeof(dvi); + + hr = (*pGetVer)(&dvi); + + if (SUCCEEDED(hr) + && (dvi.dwMajorVersion > 4 + || (dvi.dwMajorVersion == 4 && dvi.dwMinorVersion >= 70))) + { + multiline_tip = TRUE; + return multiline_tip; + } + } + else + { + /* there is chance we have ancient CommCtl 4.70 + which doesn't export DllGetVersion */ + DWORD dwHandle = 0; + DWORD len = GetFileVersionInfoSize(comctl_dll, &dwHandle); + if (len > 0) + { + VS_FIXEDFILEINFO *ver; + UINT vlen = 0; + void *data = alloc(len); + + if (data != NULL + && GetFileVersionInfo(comctl_dll, 0, len, data) + && VerQueryValue(data, "\\", (void **)&ver, &vlen) + && vlen + && HIWORD(ver->dwFileVersionMS) > 4 + || (HIWORD(ver->dwFileVersionMS) == 4 + && LOWORD(ver->dwFileVersionMS) >= 70)) + { + vim_free(data); + multiline_tip = TRUE; + return multiline_tip; + } + vim_free(data); + } + } + } + multiline_tip = FALSE; + return multiline_tip; +} + static void make_tooltip(beval, text, pt) BalloonEval *beval; char *text; POINT pt; { - TOOLINFO ti; + TOOLINFO *pti; + int ToolInfoSize; + + if (multiline_balloon_available() == TRUE) + ToolInfoSize = sizeof(TOOLINFO_NEW); + else + ToolInfoSize = sizeof(TOOLINFO); + + pti = (TOOLINFO *)alloc(ToolInfoSize); + if (pti == NULL) + return; beval->balloon = CreateWindowEx(WS_EX_TOPMOST, TOOLTIPS_CLASS, NULL, WS_POPUP | TTS_NOPREFIX | TTS_ALWAYSTIP, @@ -4037,20 +4170,32 @@ make_tooltip(beval, text, pt) SetWindowPos(beval->balloon, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE); - ti.cbSize = sizeof(TOOLINFO); - ti.uFlags = TTF_SUBCLASS; - ti.hwnd = beval->target; - ti.hinst = 0; /* Don't use string resources */ - ti.uId = ID_BEVAL_TOOLTIP; - ti.lpszText = text; + pti->cbSize = ToolInfoSize; + pti->uFlags = TTF_SUBCLASS; + pti->hwnd = beval->target; + pti->hinst = 0; /* Don't use string resources */ + pti->uId = ID_BEVAL_TOOLTIP; + + if (multiline_balloon_available() == TRUE) + { + RECT rect; + TOOLINFO_NEW *ptin = (TOOLINFO_NEW *)pti; + pti->lpszText = LPSTR_TEXTCALLBACK; + ptin->lParam = (LPARAM)text; + if (GetClientRect(s_textArea, &rect)) /* switch multiline tooltips on */ + SendMessage(beval->balloon, TTM_SETMAXTIPWIDTH, 0, + (LPARAM)rect.right); + } + else + pti->lpszText = text; /* do this old way */ /* Limit ballooneval bounding rect to CursorPos neighbourhood */ - ti.rect.left = pt.x - 3; - ti.rect.top = pt.y - 3; - ti.rect.right = pt.x + 3; - ti.rect.bottom = pt.y + 3; + pti->rect.left = pt.x - 3; + pti->rect.top = pt.y - 3; + pti->rect.right = pt.x + 3; + pti->rect.bottom = pt.y + 3; - SendMessage(beval->balloon, TTM_ADDTOOL, 0, (LPARAM)&ti); + SendMessage(beval->balloon, TTM_ADDTOOL, 0, (LPARAM)pti); /* Make tooltip appear sooner */ SendMessage(beval->balloon, TTM_SETDELAYTIME, TTDT_INITIAL, 10); /* @@ -4059,6 +4204,7 @@ make_tooltip(beval, text, pt) */ mouse_event(MOUSEEVENTF_MOVE, 1, 1, 0, 0); mouse_event(MOUSEEVENTF_MOVE, (DWORD)-1, (DWORD)-1, 0, 0); + vim_free(pti); } static void @@ -4187,7 +4333,6 @@ gui_mch_create_beval_area(target, mesg, mesgCB, clientData) beval->clientData = clientData; InitCommonControls(); - cur_beval = beval; if (p_beval) @@ -4208,19 +4353,28 @@ Handle_WM_Notify(hwnd, pnmh) if (cur_beval != NULL) { - if (pnmh->code == TTN_SHOW) + switch (pnmh->code) { + case TTN_SHOW: // TRACE0("TTN_SHOW {{{"); // TRACE0("TTN_SHOW }}}"); - } - else if (pnmh->code == TTN_POP) /* Before tooltip disappear */ - { + break; + case TTN_POP: /* Before tooltip disappear */ // TRACE0("TTN_POP {{{"); delete_tooltip(cur_beval); gui_mch_enable_beval_area(cur_beval); // TRACE0("TTN_POP }}}"); cur_beval->showState = ShS_NEUTRAL; + break; + case TTN_GETDISPINFO: + { + /* if you get there then we have new common controls */ + NMTTDISPINFO_NEW *info = (NMTTDISPINFO_NEW *)pnmh; + info->lpszText = (LPSTR)info->lParam; + info->uFlags |= TTF_DI_SETITEM; + } + break; } } } |