X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f728025eae8e12fc8edd6f48d68fa560f4c399af..74dea0decfee896aa5197df82f3ffda65afb3aec:/src/common/utilscmn.cpp diff --git a/src/common/utilscmn.cpp b/src/common/utilscmn.cpp index 21895181cb..2beddfe3a6 100644 --- a/src/common/utilscmn.cpp +++ b/src/common/utilscmn.cpp @@ -99,6 +99,10 @@ #include // needed for SHELLEXECUTEINFO #endif +#if wxUSE_GUI && defined(__WXGTK__) + #include // for GTK_XXX_VERSION constants +#endif + #if wxUSE_BASE // ---------------------------------------------------------------------------- @@ -675,6 +679,251 @@ wxRegisterId (long id) wxCurrentId = id + 1; } +// ---------------------------------------------------------------------------- +// wxQsort, adapted by RR to allow user_data +// ---------------------------------------------------------------------------- + +/* This file is part of the GNU C Library. + Written by Douglas C. Schmidt (schmidt@ics.uci.edu). + + Douglas Schmidt kindly gave permission to relicence the + code under the wxWindows licence: + +From: "Douglas C. Schmidt" +To: Robert Roebling +Subject: Re: qsort licence +Date: Mon, 23 Jul 2007 03:44:25 -0500 +Sender: schmidt@dre.vanderbilt.edu +Message-Id: <20070723084426.64F511000A8@tango.dre.vanderbilt.edu> + +Hi Robert, + +> [...] I'm asking if you'd be willing to relicence your code +> under the wxWindows licence. [...] + +That's fine with me [...] + +Thanks, + + Doug */ + + +/* Byte-wise swap two items of size SIZE. */ +#define SWAP(a, b, size) \ + do \ + { \ + register size_t __size = (size); \ + register char *__a = (a), *__b = (b); \ + do \ + { \ + char __tmp = *__a; \ + *__a++ = *__b; \ + *__b++ = __tmp; \ + } while (--__size > 0); \ + } while (0) + +/* Discontinue quicksort algorithm when partition gets below this size. + This particular magic number was chosen to work best on a Sun 4/260. */ +#define MAX_THRESH 4 + +/* Stack node declarations used to store unfulfilled partition obligations. */ +typedef struct + { + char *lo; + char *hi; + } stack_node; + +/* The next 4 #defines implement a very fast in-line stack abstraction. */ +#define STACK_SIZE (8 * sizeof(unsigned long int)) +#define PUSH(low, high) ((void) ((top->lo = (low)), (top->hi = (high)), ++top)) +#define POP(low, high) ((void) (--top, (low = top->lo), (high = top->hi))) +#define STACK_NOT_EMPTY (stack < top) + + +/* Order size using quicksort. This implementation incorporates + four optimizations discussed in Sedgewick: + + 1. Non-recursive, using an explicit stack of pointer that store the + next array partition to sort. To save time, this maximum amount + of space required to store an array of MAX_INT is allocated on the + stack. Assuming a 32-bit integer, this needs only 32 * + sizeof(stack_node) == 136 bits. Pretty cheap, actually. + + 2. Chose the pivot element using a median-of-three decision tree. + This reduces the probability of selecting a bad pivot value and + eliminates certain extraneous comparisons. + + 3. Only quicksorts TOTAL_ELEMS / MAX_THRESH partitions, leaving + insertion sort to order the MAX_THRESH items within each partition. + This is a big win, since insertion sort is faster for small, mostly + sorted array segments. + + 4. The larger of the two sub-partitions is always pushed onto the + stack first, with the algorithm then concentrating on the + smaller partition. This *guarantees* no more than log (n) + stack size is needed (actually O(1) in this case)! */ + +void wxQsort(void *const pbase, size_t total_elems, + size_t size, CMPFUNCDATA cmp, const void* user_data) +{ + register char *base_ptr = (char *) pbase; + const size_t max_thresh = MAX_THRESH * size; + + if (total_elems == 0) + /* Avoid lossage with unsigned arithmetic below. */ + return; + + if (total_elems > MAX_THRESH) + { + char *lo = base_ptr; + char *hi = &lo[size * (total_elems - 1)]; + stack_node stack[STACK_SIZE]; + stack_node *top = stack; + + PUSH (NULL, NULL); + + while (STACK_NOT_EMPTY) + { + char *left_ptr; + char *right_ptr; + + /* Select median value from among LO, MID, and HI. Rearrange + LO and HI so the three values are sorted. This lowers the + probability of picking a pathological pivot value and + skips a comparison for both the LEFT_PTR and RIGHT_PTR. */ + + char *mid = lo + size * ((hi - lo) / size >> 1); + + if ((*cmp) ((void *) mid, (void *) lo, user_data) < 0) + SWAP (mid, lo, size); + if ((*cmp) ((void *) hi, (void *) mid, user_data) < 0) + SWAP (mid, hi, size); + else + goto jump_over; + if ((*cmp) ((void *) mid, (void *) lo, user_data) < 0) + SWAP (mid, lo, size); + jump_over:; + left_ptr = lo + size; + right_ptr = hi - size; + + /* Here's the famous ``collapse the walls'' section of quicksort. + Gotta like those tight inner loops! They are the main reason + that this algorithm runs much faster than others. */ + do + { + while ((*cmp) ((void *) left_ptr, (void *) mid, user_data) < 0) + left_ptr += size; + + while ((*cmp) ((void *) mid, (void *) right_ptr, user_data) < 0) + right_ptr -= size; + + if (left_ptr < right_ptr) + { + SWAP (left_ptr, right_ptr, size); + if (mid == left_ptr) + mid = right_ptr; + else if (mid == right_ptr) + mid = left_ptr; + left_ptr += size; + right_ptr -= size; + } + else if (left_ptr == right_ptr) + { + left_ptr += size; + right_ptr -= size; + break; + } + } + while (left_ptr <= right_ptr); + + /* Set up pointers for next iteration. First determine whether + left and right partitions are below the threshold size. If so, + ignore one or both. Otherwise, push the larger partition's + bounds on the stack and continue sorting the smaller one. */ + + if ((size_t) (right_ptr - lo) <= max_thresh) + { + if ((size_t) (hi - left_ptr) <= max_thresh) + /* Ignore both small partitions. */ + POP (lo, hi); + else + /* Ignore small left partition. */ + lo = left_ptr; + } + else if ((size_t) (hi - left_ptr) <= max_thresh) + /* Ignore small right partition. */ + hi = right_ptr; + else if ((right_ptr - lo) > (hi - left_ptr)) + { + /* Push larger left partition indices. */ + PUSH (lo, right_ptr); + lo = left_ptr; + } + else + { + /* Push larger right partition indices. */ + PUSH (left_ptr, hi); + hi = right_ptr; + } + } + } + + /* Once the BASE_PTR array is partially sorted by quicksort the rest + is completely sorted using insertion sort, since this is efficient + for partitions below MAX_THRESH size. BASE_PTR points to the beginning + of the array to sort, and END_PTR points at the very last element in + the array (*not* one beyond it!). */ + + { + char *const end_ptr = &base_ptr[size * (total_elems - 1)]; + char *tmp_ptr = base_ptr; + char *thresh = base_ptr + max_thresh; + if ( thresh > end_ptr ) + thresh = end_ptr; + register char *run_ptr; + + /* Find smallest element in first threshold and place it at the + array's beginning. This is the smallest array element, + and the operation speeds up insertion sort's inner loop. */ + + for (run_ptr = tmp_ptr + size; run_ptr <= thresh; run_ptr += size) + if ((*cmp) ((void *) run_ptr, (void *) tmp_ptr, user_data) < 0) + tmp_ptr = run_ptr; + + if (tmp_ptr != base_ptr) + SWAP (tmp_ptr, base_ptr, size); + + /* Insertion sort, running from left-hand-side up to right-hand-side. */ + + run_ptr = base_ptr + size; + while ((run_ptr += size) <= end_ptr) + { + tmp_ptr = run_ptr - size; + while ((*cmp) ((void *) run_ptr, (void *) tmp_ptr, user_data) < 0) + tmp_ptr -= size; + + tmp_ptr += size; + if (tmp_ptr != run_ptr) + { + char *trav; + + trav = run_ptr + size; + while (--trav >= run_ptr) + { + char c = *trav; + char *hi, *lo; + + for (hi = lo = trav; (lo -= size) >= tmp_ptr; hi = lo) + *hi = *lo; + *hi = c; + } + } + } + } +} + + + #endif // wxUSE_BASE // ============================================================================ @@ -810,9 +1059,6 @@ bool wxLaunchDefaultBrowser(const wxString& urlOrig, int flags) err = ICStart(&inst, 'STKA'); // put your app creator code here if (err == noErr) { -#if !TARGET_CARBON - err = ICFindConfigFile(inst, 0, NULL); -#endif if (err == noErr) { ConstStr255Param hint = 0; @@ -891,11 +1137,11 @@ bool wxLaunchDefaultBrowser(const wxString& urlOrig, int flags) return ok; // no file type for HTML extension - wxLogError(_T("No default application configured for HTML files.")); + wxLogError(_("No default application configured for HTML files.")); #endif // !wxUSE_MIMETYPE && !__WXMSW__ - wxLogSysError(_T("Failed to open URL \"%s\" in default browser."), + wxLogSysError(_("Failed to open URL \"%s\" in default browser."), url.c_str()); return false; @@ -908,7 +1154,7 @@ bool wxLaunchDefaultBrowser(const wxString& urlOrig, int flags) wxChar *wxStripMenuCodes(const wxChar *in, wxChar *out) { #if wxUSE_MENUS - wxString s = wxMenuItem::GetLabelFromText(in); + wxString s = wxMenuItem::GetLabelText(in); #else wxString str(in); wxString s = wxStripMenuCodes(str); @@ -997,13 +1243,19 @@ wxFindWindowByName (const wxString& name, wxWindow * parent) // Returns menu item id or wxNOT_FOUND if none. int -wxFindMenuItemId (wxFrame * frame, const wxString& menuString, const wxString& itemString) +wxFindMenuItemId(wxFrame *frame, + const wxString& menuString, + const wxString& itemString) { #if wxUSE_MENUS wxMenuBar *menuBar = frame->GetMenuBar (); if ( menuBar ) return menuBar->FindMenuItem (menuString, itemString); -#endif // wxUSE_MENUS +#else // !wxUSE_MENUS + wxUnusedVar(frame); + wxUnusedVar(menuString); + wxUnusedVar(itemString); +#endif // wxUSE_MENUS/!wxUSE_MENUS return wxNOT_FOUND; } @@ -1117,6 +1369,46 @@ int wxMessageBox(const wxString& message, const wxString& caption, long style, return wxCANCEL; } +void wxInfoMessageBox(wxWindow* parent) +{ + // don't translate these strings, they're for diagnostics purposes only + wxString msg; + msg.Printf(_T("wxWidgets Library (%s port)\n") + _T("Version %d.%d.%d%s%s, compiled at %s %s\n") + _T("Runtime version of toolkit used is %d.%d.%s\n") + _T("Copyright (c) 1995-2007 wxWidgets team"), + wxPlatformInfo::Get().GetPortIdName().c_str(), + wxMAJOR_VERSION, + wxMINOR_VERSION, + wxRELEASE_NUMBER, +#if wxUSE_UNICODE + L" (Unicode)", +#else + wxEmptyString, +#endif +#ifdef __WXDEBUG__ + _T(" Debug build"), +#else + wxEmptyString, +#endif + __TDATE__, + __TTIME__, + wxPlatformInfo::Get().GetToolkitMajorVersion(), + wxPlatformInfo::Get().GetToolkitMinorVersion(), +#ifdef __WXGTK__ + wxString::Format("\nThe compile-time GTK+ version is %d.%d.%d.", + GTK_MAJOR_VERSION, + GTK_MINOR_VERSION, + GTK_MICRO_VERSION).c_str() +#else + wxEmptyString +#endif + ); + wxMessageBox(msg, _T("wxWidgets information"), + wxICON_INFORMATION | wxOK, + parent); +} + #endif // wxUSE_MSGDLG #if wxUSE_TEXTDLG @@ -1171,24 +1463,56 @@ wxString wxGetPasswordFromUser(const wxString& message, #if wxUSE_COLOURDLG -wxColour wxGetColourFromUser(wxWindow *parent, const wxColour& colInit, const wxString& caption) +wxColour wxGetColourFromUser(wxWindow *parent, + const wxColour& colInit, + const wxString& caption, + wxColourData *ptrData) { + // contains serialized representation of wxColourData used the last time + // the dialog was shown: we want to reuse it the next time in order to show + // the same custom colours to the user (and we can't just have static + // wxColourData itself because it's a GUI object and so should be destroyed + // before GUI shutdown and doing it during static cleanup is too late) + static wxString s_strColourData; + wxColourData data; - data.SetChooseFull(true); - if ( colInit.Ok() ) + if ( !ptrData ) { - data.SetColour((wxColour &)colInit); // const_cast + ptrData = &data; + if ( !s_strColourData.empty() ) + { + if ( !data.FromString(s_strColourData) ) + { + wxFAIL_MSG( "bug in wxColourData::FromString()?" ); + } + +#ifdef __WXMSW__ + // we don't get back the "choose full" flag value from the native + // dialog and so we can't preserve it between runs, so we decide to + // always use it as it seems better than not using it (user can + // just ignore the extra controls in the dialog but having to click + // a button each time to show them would be very annoying + data.SetChooseFull(true); +#endif // __WXMSW__ + } + } + + if ( colInit.IsOk() ) + { + ptrData->SetColour(colInit); } wxColour colRet; - wxColourDialog dialog(parent, &data); + wxColourDialog dialog(parent, ptrData); if (!caption.empty()) dialog.SetTitle(caption); if ( dialog.ShowModal() == wxID_OK ) { - colRet = dialog.GetColourData().GetColour(); + *ptrData = dialog.GetColourData(); + colRet = ptrData->GetColour(); + s_strColourData = ptrData->ToString(); } - //else: leave it invalid + //else: leave colRet invalid return colRet; }