// For compilers that support precompilation, includes "wx.h".
#include "wx/choice.h"
+#include "wx/utils.h"
+
+#include <Xm/Xm.h>
+#include <Xm/PushBG.h>
+#include <Xm/PushB.h>
+#include <Xm/RowColumn.h>
+
+#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_windowFont = parent->GetFont();
+
+ Widget parentWidget = (Widget) parent->GetClientWidget();
+
+ m_formWidget = (WXWidget) XtVaCreateManagedWidget ((char*) (const char*) name,
+ 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
+ Widget optionLabel = XmOptionLabelGadget ((Widget) m_buttonWidget);
+ // JACS, 24/1/99: this seems to cause a malloc crash later on, e.g.
+ // in controls sample.
+ // 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();
+
+ return TRUE;
+}
- // TODO: create choice control
- return FALSE;
+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 ++;
+ wxStripMenuCodes ((char *)(const char *)item, wxBuffer);
+ Widget w = XtVaCreateManagedWidget (wxBuffer,
+#if USE_GADGETS
+ xmPushButtonGadgetClass, (Widget) m_menuWidget,
+#else
+ xmPushButtonWidgetClass, (Widget) m_menuWidget,
+#endif
+ NULL);
+
+ DoChangeBackgroundColour((WXWidget) w, m_backgroundColour);
+
+ if (m_windowFont.Ok())
+ XtVaSetValues (w,
+ XmNfontList, (XmFontList) m_windowFont.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
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;
}
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_windowFont.Ok())
+ {
+ int width, height, width1, height1;
+ GetSize(& width, & height);
+
+ XmFontList fontList = (XmFontList) m_windowFont.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);
+}
projects / wxWidgets.git / blobdiff