X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4bb6408c2631988fab9925014c6619358bf867de..10434f3c24ae2faf228b6b6c6b6cb6de0c26213d:/src/motif/choice.cpp diff --git a/src/motif/choice.cpp b/src/motif/choice.cpp index 9ba26a3a03..71981d44d2 100644 --- a/src/motif/choice.cpp +++ b/src/motif/choice.cpp @@ -15,79 +15,372 @@ // For compilers that support precompilation, includes "wx.h". #include "wx/choice.h" +#include "wx/utils.h" + +#include +#include +#include +#include + +#include "wx/motif/private.h" #if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl) #endif +void wxChoiceCallback (Widget w, XtPointer clientData, + XtPointer ptr); + +wxChoice::wxChoice() +{ + m_noStrings = 0; + m_buttonWidget = (WXWidget) 0; + m_menuWidget = (WXWidget) 0; + m_widgetList = (WXWidget*) 0; + m_formWidget = (WXWidget) 0; +} + bool wxChoice::Create(wxWindow *parent, wxWindowID id, - const wxPoint& pos, - const wxSize& size, - int n, const wxString choices[], - long style, - const wxValidator& validator, - const wxString& name) + const wxPoint& pos, + const wxSize& size, + int n, const wxString choices[], + long style, + const wxValidator& validator, + const wxString& name) { SetName(name); SetValidator(validator); - m_noStrings = n; + m_noStrings = 0; // Starts off with none, incremented in Append m_windowStyle = style; + m_buttonWidget = (WXWidget) 0; + m_menuWidget = (WXWidget) 0; + m_widgetList = (WXWidget*) 0; + m_formWidget = (WXWidget) 0; if (parent) parent->AddChild(this); if ( id == -1 ) - m_windowId = (int)NewControlId(); + m_windowId = (int)NewControlId(); else - m_windowId = id; + m_windowId = id; + + m_backgroundColour = parent->GetBackgroundColour(); + m_foregroundColour = parent->GetForegroundColour(); + m_font = parent->GetFont(); + + Widget parentWidget = (Widget) parent->GetClientWidget(); + + m_formWidget = (WXWidget) XtVaCreateManagedWidget(name.c_str(), + xmRowColumnWidgetClass, parentWidget, + XmNmarginHeight, 0, + XmNmarginWidth, 0, + XmNpacking, XmPACK_TIGHT, + XmNorientation, XmHORIZONTAL, + NULL); + + XtVaSetValues ((Widget) m_formWidget, XmNspacing, 0, NULL); + + /* + * Create the popup menu + */ + m_menuWidget = (WXWidget) XmCreatePulldownMenu ((Widget) m_formWidget, "choiceMenu", NULL, 0); + + // int i; + if (n > 0) + { + int i; + for (i = 0; i < n; i++) + Append (choices[i]); + } + + /* + * Create button + */ + Arg args[10]; + Cardinal argcnt = 0; + + XtSetArg (args[argcnt], XmNsubMenuId, (Widget) m_menuWidget); + argcnt++; + XtSetArg (args[argcnt], XmNmarginWidth, 0); + argcnt++; + XtSetArg (args[argcnt], XmNmarginHeight, 0); + argcnt++; + XtSetArg (args[argcnt], XmNpacking, XmPACK_TIGHT); + argcnt++; + m_buttonWidget = (WXWidget) XmCreateOptionMenu ((Widget) m_formWidget, "choiceButton", args, argcnt); + + m_mainWidget = m_buttonWidget; + + XtManageChild ((Widget) m_buttonWidget); + + // New code from Roland Haenel (roland_haenel@ac.cybercity.de) + // Some time ago, I reported a problem with wxChoice-items under + // Linux and Motif 2.0 (they caused sporadic GPFs). Now it seems + // that I have found the code responsible for this behaviour. +#if XmVersion >= 1002 +#if XmVersion < 2000 + // JACS, 24/1/99: this seems to cause a malloc crash later on, e.g. + // in controls sample. + // + // Widget optionLabel = XmOptionLabelGadget ((Widget) m_buttonWidget); + // XtUnmanageChild (optionLabel); +#endif +#endif + + XtVaSetValues((Widget) m_formWidget, XmNresizePolicy, XmRESIZE_NONE, NULL); + + ChangeFont(FALSE); + + AttachWidget (parent, m_buttonWidget, m_formWidget, pos.x, pos.y, size.x, size.y); + + ChangeBackgroundColour(); - // TODO: create choice control - return FALSE; + return TRUE; +} + +wxChoice::~wxChoice() +{ + // For some reason destroying the menuWidget + // can cause crashes on some machines. It will + // be deleted implicitly by deleting the parent form + // anyway. + // XtDestroyWidget (menuWidget); + if (m_widgetList) + delete[] m_widgetList; + + if (GetMainWidget()) + { + DetachWidget(GetMainWidget()); // Removes event handlers + DetachWidget(m_formWidget); + + XtDestroyWidget((Widget) m_formWidget); + m_formWidget = (WXWidget) 0; + + // Presumably the other widgets have been deleted now, via the form + m_mainWidget = (WXWidget) 0; + m_buttonWidget = (WXWidget) 0; + } } void wxChoice::Append(const wxString& item) { - // TODO - m_noStrings ++; + Widget w = XtVaCreateManagedWidget (wxStripMenuCodes(item), +#if USE_GADGETS + xmPushButtonGadgetClass, (Widget) m_menuWidget, +#else + xmPushButtonWidgetClass, (Widget) m_menuWidget, +#endif + NULL); + + DoChangeBackgroundColour((WXWidget) w, m_backgroundColour); + + if (m_font.Ok()) + XtVaSetValues (w, + XmNfontList, (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) m_formWidget)), + NULL); + + WXWidget *new_widgetList = new WXWidget[m_noStrings + 1]; + int i; + if (m_widgetList) + for (i = 0; i < m_noStrings; i++) + new_widgetList[i] = m_widgetList[i]; + + new_widgetList[m_noStrings] = (WXWidget) w; + + if (m_widgetList) + delete[] m_widgetList; + m_widgetList = new_widgetList; + + char mnem = wxFindMnemonic ((char*) (const char*) item); + if (mnem != 0) + XtVaSetValues (w, XmNmnemonic, mnem, NULL); + + XtAddCallback (w, XmNactivateCallback, (XtCallbackProc) wxChoiceCallback, (XtPointer) this); + + if (m_noStrings == 0 && m_buttonWidget) + { + XtVaSetValues ((Widget) m_buttonWidget, XmNmenuHistory, w, NULL); + Widget label = XmOptionButtonGadget ((Widget) m_buttonWidget); + XmString text = XmStringCreateSimple ((char*) (const char*) item); + XtVaSetValues (label, + XmNlabelString, text, + NULL); + XmStringFree (text); + } + wxNode *node = m_stringList.Add (item); + XtVaSetValues (w, XmNuserData, node->Data (), NULL); + + m_noStrings ++; } -void wxChoice::Delete(int n) +void wxChoice::Delete(int WXUNUSED(n)) { + wxFAIL_MSG( "Sorry, wxChoice::Delete isn't implemented yet. Maybe you'd like to volunteer? :-)" ); + + // What should we do -- remove the callback for this button widget, + // delete the m_stringList entry, delete the button widget, construct a new widget list + // (see Append) + // TODO m_noStrings --; } void wxChoice::Clear() { - // TODO + m_stringList.Clear (); + int i; + for (i = 0; i < m_noStrings; i++) + { + XtUnmanageChild ((Widget) m_widgetList[i]); + XtDestroyWidget ((Widget) m_widgetList[i]); + } + if (m_noStrings) + delete[] m_widgetList; + m_widgetList = (WXWidget*) NULL; + if (m_buttonWidget) + XtVaSetValues ((Widget) m_buttonWidget, XmNmenuHistory, (Widget) NULL, NULL); m_noStrings = 0; } int wxChoice::GetSelection() const { - // TODO - return 0; + XmString text; + char *s; + Widget label = XmOptionButtonGadget ((Widget) m_buttonWidget); + XtVaGetValues (label, + XmNlabelString, &text, + NULL); + + if (XmStringGetLtoR (text, XmSTRING_DEFAULT_CHARSET, &s)) + { + int i = 0; + for (wxNode * node = m_stringList.First (); node; node = node->Next ()) + { + char *s1 = (char *) node->Data (); + if (s1 == s || strcmp (s1, s) == 0) + { + XmStringFree(text) ; + XtFree (s); + return i; + } + else + i++; + } // for() + + XmStringFree(text) ; + XtFree (s); + return -1; + } + XmStringFree(text) ; + return -1; } void wxChoice::SetSelection(int n) { - // TODO + m_inSetValue = TRUE; + + wxNode *node = m_stringList.Nth (n); + if (node) + { + Dimension selectionWidth, selectionHeight; + + char *s = (char *) node->Data (); + XmString text = XmStringCreateSimple (s); + XtVaGetValues ((Widget) m_widgetList[n], XmNwidth, &selectionWidth, XmNheight, &selectionHeight, NULL); + Widget label = XmOptionButtonGadget ((Widget) m_buttonWidget); + XtVaSetValues (label, + XmNlabelString, text, + NULL); + XmStringFree (text); + XtVaSetValues ((Widget) m_buttonWidget, + XmNwidth, selectionWidth, XmNheight, selectionHeight, + XmNmenuHistory, (Widget) m_widgetList[n], NULL); + } + m_inSetValue = FALSE; } int wxChoice::FindString(const wxString& s) const { - // TODO - return 0; + int i = 0; + for (wxNode * node = m_stringList.First (); node; node = node->Next ()) + { + char *s1 = (char *) node->Data (); + if (s == s1) + { + return i; + } + else + i++; + } + return -1; } wxString wxChoice::GetString(int n) const { - // TODO - return wxString(""); + wxNode *node = m_stringList.Nth (n); + if (node) + return wxString((char *) node->Data ()); + else + return wxEmptyString; } -void wxChoice::SetSize(int x, int y, int width, int height, int sizeFlags) +void wxChoice::SetColumns(int n) { - // TODO + if (n<1) n = 1 ; + + short numColumns = n ; + Arg args[3]; + + XtSetArg(args[0], XmNnumColumns, numColumns); + XtSetArg(args[1], XmNpacking, XmPACK_COLUMN); + XtSetValues((Widget) m_menuWidget,args,2) ; +} + +int wxChoice::GetColumns(void) const +{ + short numColumns ; + + XtVaGetValues((Widget) m_menuWidget,XmNnumColumns,&numColumns,NULL) ; + return numColumns ; +} + +void wxChoice::SetFocus() +{ + XmProcessTraversal(XtParent((Widget)m_mainWidget), XmTRAVERSE_CURRENT); +} + +void wxChoice::DoSetSize(int x, int y, int width, int height, int sizeFlags) +{ + XtVaSetValues((Widget) m_formWidget, XmNresizePolicy, XmRESIZE_ANY, NULL); + bool managed = XtIsManaged((Widget) m_formWidget); + + if (managed) + XtUnmanageChild ((Widget) m_formWidget); + + int actualWidth = width, actualHeight = height; + + if (width > -1) + { + int i; + for (i = 0; i < m_noStrings; i++) + XtVaSetValues ((Widget) m_widgetList[i], XmNwidth, actualWidth, NULL); + XtVaSetValues ((Widget) m_buttonWidget, XmNwidth, actualWidth, + NULL); + } + if (height > -1) + { + int i; + for (i = 0; i < m_noStrings; i++) + XtVaSetValues ((Widget) m_widgetList[i], XmNheight, actualHeight, NULL); + XtVaSetValues ((Widget) m_buttonWidget, XmNheight, actualHeight, + NULL); + } + + if (managed) + XtManageChild ((Widget) m_formWidget); + XtVaSetValues((Widget) m_formWidget, XmNresizePolicy, XmRESIZE_NONE, NULL); + + wxControl::DoSetSize (x, y, width, height, sizeFlags); } wxString wxChoice::GetStringSelection () const @@ -96,17 +389,17 @@ wxString wxChoice::GetStringSelection () const if (sel > -1) return wxString(this->GetString (sel)); else - return wxString(""); + return wxEmptyString; } bool wxChoice::SetStringSelection (const wxString& s) { int sel = FindString (s); if (sel > -1) - { - SetSelection (sel); - return TRUE; - } + { + SetSelection (sel); + return TRUE; + } else return FALSE; } @@ -117,3 +410,70 @@ void wxChoice::Command(wxCommandEvent & event) ProcessCommand (event); } +void wxChoiceCallback (Widget w, XtPointer clientData, XtPointer WXUNUSED(ptr)) +{ + wxChoice *item = (wxChoice *) clientData; + if (item) + { + if (item->InSetValue()) + return; + + char *s = NULL; + XtVaGetValues (w, XmNuserData, &s, NULL); + if (s) + { + wxCommandEvent event (wxEVT_COMMAND_CHOICE_SELECTED, item->GetId()); + event.SetEventObject(item); + event.m_commandInt = item->FindString (s); + // event.m_commandString = s; + item->ProcessCommand (event); + } + } +} + +void wxChoice::ChangeFont(bool keepOriginalSize) +{ + // Note that this causes the widget to be resized back + // to its original size! We therefore have to set the size + // back again. TODO: a better way in Motif? + if (m_font.Ok()) + { + int width, height, width1, height1; + GetSize(& width, & height); + + XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) m_mainWidget)); + XtVaSetValues ((Widget) m_mainWidget, XmNfontList, fontList, NULL); + XtVaSetValues ((Widget) m_buttonWidget, XmNfontList, fontList, NULL); + + /* TODO: why does this cause a crash in XtWidgetToApplicationContext? + int i; + for (i = 0; i < m_noStrings; i++) + XtVaSetValues ((Widget) m_widgetList[i], XmNfontList, fontList, NULL); + */ + GetSize(& width1, & height1); + if (keepOriginalSize && (width != width1 || height != height1)) + { + SetSize(-1, -1, width, height); + } + } +} + +void wxChoice::ChangeBackgroundColour() +{ + DoChangeBackgroundColour(m_formWidget, m_backgroundColour); + DoChangeBackgroundColour(m_buttonWidget, m_backgroundColour); + DoChangeBackgroundColour(m_menuWidget, m_backgroundColour); + int i; + for (i = 0; i < m_noStrings; i++) + DoChangeBackgroundColour(m_widgetList[i], m_backgroundColour); +} + +void wxChoice::ChangeForegroundColour() +{ + DoChangeForegroundColour(m_formWidget, m_foregroundColour); + DoChangeForegroundColour(m_buttonWidget, m_foregroundColour); + DoChangeForegroundColour(m_menuWidget, m_foregroundColour); + int i; + for (i = 0; i < m_noStrings; i++) + DoChangeForegroundColour(m_widgetList[i], m_foregroundColour); +}