return NULL from the functions returning a pointer, not FALSE (patch 544557)

[wxWidgets.git] / src / univ / combobox.cpp

diff --git a/src/univ/combobox.cpp b/src/univ/combobox.cpp
index 4d64edca3ac054a1c0f9aaf99c3b2af83a71ecfd..b8b6fc8435018c1713fd022b6727055cbce5ad28 100644 (file)
--- a/src/univ/combobox.cpp
+++ b/src/univ/combobox.cpp
@@ -9,16 +9,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-/*
-    TODO:
-
-   +1. typing in the text should select the string in listbox
-   +2. scrollbars in listbox are unusable
-   +3. the initially selected item is not selected
-   ?4. kbd interface (what does GTK do?)
-    5. there is still autoscrolling without scrollbars - but is it bad?
- */
-

 // ============================================================================
 // declarations
 // ============================================================================
 // ============================================================================
 // declarations
 // ============================================================================


@@ -28,7 +18,7 @@
 // ----------------------------------------------------------------------------
 
 #ifdef __GNUG__
 // ----------------------------------------------------------------------------
 
 #ifdef __GNUG__

-    #pragma implementation "combobox.h"
+    #pragma implementation "univcombobox.h"

 #endif
 
 #include "wx/wxprec.h"
 #endif
 
 #include "wx/wxprec.h"


@@ -76,25 +66,35 @@ public:
     wxComboButton(wxComboControl *combo)
         : wxBitmapButton(combo->GetParent(), -1, wxNullBitmap,
                          wxDefaultPosition, wxDefaultSize,
     wxComboButton(wxComboControl *combo)
         : wxBitmapButton(combo->GetParent(), -1, wxNullBitmap,
                          wxDefaultPosition, wxDefaultSize,

-                         wxBORDER_NONE)
+                         wxBORDER_NONE | wxBU_EXACTFIT)

     {
         m_combo = combo;
 
     {
         m_combo = combo;
 

-        wxBitmap bmpNormal, bmpPressed, bmpDisabled;
+        wxBitmap bmpNormal, bmpFocus, bmpPressed, bmpDisabled;
+
+        GetRenderer()->GetComboBitmaps(&bmpNormal,
+                                       &bmpFocus,
+                                       &bmpPressed,
+                                       &bmpDisabled);

 
 

-        GetRenderer()->GetComboBitmaps(&bmpNormal, &bmpPressed, &bmpDisabled);

         SetBitmapLabel(bmpNormal);
         SetBitmapLabel(bmpNormal);

-        SetBitmapFocus(bmpNormal);
-        SetBitmapSelected(bmpPressed);
-        SetBitmapDisabled(bmpDisabled);
+        SetBitmapFocus(bmpFocus.Ok() ? bmpFocus : bmpNormal);
+        SetBitmapSelected(bmpPressed.Ok() ? bmpPressed : bmpNormal);
+        SetBitmapDisabled(bmpDisabled.Ok() ? bmpDisabled : bmpNormal);

 
 

-        SetSize(bmpNormal.GetWidth(), bmpNormal.GetHeight());
+        SetBestSize(wxDefaultSize);

     }
 
 protected:
     void OnButton(wxCommandEvent& event) { m_combo->ShowPopup(); }
 
     }
 
 protected:
     void OnButton(wxCommandEvent& event) { m_combo->ShowPopup(); }
 

-    virtual wxSize DoGetBestSize() const { return GetSize(); }
+    virtual wxSize DoGetBestClientSize() const
+    {
+        const wxBitmap& bmp = GetBitmapLabel();
+
+        return wxSize(bmp.GetWidth(), bmp.GetHeight());
+
+    }

 
 private:
     wxComboControl *m_combo;
 
 private:
     wxComboControl *m_combo;


@@ -126,6 +126,9 @@ protected:
     // filter mouse move events happening outside the list box
     void OnMouseMove(wxMouseEvent& event);
 
     // filter mouse move events happening outside the list box
     void OnMouseMove(wxMouseEvent& event);
 

+    // set m_clicked value from here
+    void OnLeftUp(wxMouseEvent& event);
+

     // called whenever the user selects or activates a listbox item
     void OnSelect(wxCommandEvent& event);
 
     // called whenever the user selects or activates a listbox item
     void OnSelect(wxCommandEvent& event);
 


@@ -135,6 +138,9 @@ protected:
                        const wxString& strArg);
 
 private:
                        const wxString& strArg);
 
 private:

+    // has the mouse been released on this control?
+    bool m_clicked;
+

     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 


@@ -173,6 +179,7 @@ BEGIN_EVENT_TABLE(wxComboListBox, wxListBox)
     EVT_LISTBOX(-1, wxComboListBox::OnSelect)
     EVT_LISTBOX_DCLICK(-1, wxComboListBox::OnSelect)
     EVT_MOTION(wxComboListBox::OnMouseMove)
     EVT_LISTBOX(-1, wxComboListBox::OnSelect)
     EVT_LISTBOX_DCLICK(-1, wxComboListBox::OnSelect)
     EVT_MOTION(wxComboListBox::OnMouseMove)

+    EVT_LEFT_UP(wxComboListBox::OnLeftUp)

 END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(wxComboControl, wxControl)
 END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(wxComboControl, wxControl)


@@ -201,6 +208,8 @@ void wxComboControl::Init()
     m_popup = (wxComboPopup *)NULL;
     m_winPopup = (wxPopupComboWindow *)NULL;
     m_isPopupShown = FALSE;
     m_popup = (wxComboPopup *)NULL;
     m_winPopup = (wxPopupComboWindow *)NULL;
     m_isPopupShown = FALSE;

+    m_btn = NULL;
+    m_text = NULL;

 }
 
 bool wxComboControl::Create(wxWindow *parent,
 }
 
 bool wxComboControl::Create(wxWindow *parent,


@@ -239,7 +248,8 @@ bool wxComboControl::Create(wxWindow *parent,
         m_heightPopup = size.y - DoGetBestSize().y;
     }
 
         m_heightPopup = size.y - DoGetBestSize().y;
     }
 

-    DoSetSize(pos.x, pos.y, size.x, size.y);
+    SetBestSize(size);
+    Move(pos);

 
     // create the popup window immediately here to allow creating the controls
     // with parent == GetPopupWindow() from the derived class ctor
 
     // create the popup window immediately here to allow creating the controls
     // with parent == GetPopupWindow() from the derived class ctor


@@ -298,12 +308,12 @@ void wxComboControl::DoMoveWindow(int x, int y, int width, int height)
     width -= rectBorders.x + rectBorders.width;
     height -= rectBorders.y + rectBorders.height;
 
     width -= rectBorders.x + rectBorders.width;
     height -= rectBorders.y + rectBorders.height;
 

-    wxSize sizeBtn = m_btn->GetSize(),
-           sizeText = m_text->GetSize();
+    wxSize sizeBtn = m_btn->GetBestSize();

 
     wxCoord wText = width - sizeBtn.x;
 
     wxCoord wText = width - sizeBtn.x;

-    m_text->SetSize(x, y, wText, height);
-    m_btn->SetSize(x + wText, y, -1, height);
+    wxPoint p = GetParent() ? GetParent()->GetClientAreaOrigin() : wxPoint(0,0);
+    m_text->SetSize(x - p.x, y - p.y, wText, height);
+    m_btn->SetSize(x - p.x + wText, y - p.y, sizeBtn.x, height);

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -326,8 +336,11 @@ bool wxComboControl::Show(bool show)
     if ( !wxControl::Show(show) )
         return FALSE;
 
     if ( !wxControl::Show(show) )
         return FALSE;
 

-    m_btn->Show(show);
-    m_text->Show(show);
+    if (m_btn)
+        m_btn->Show(show);
+
+    if (m_text)
+        m_text->Show(show);

 
     return TRUE;
 }
 
     return TRUE;
 }


@@ -366,6 +379,7 @@ void wxComboControl::ShowPopup()
     m_winPopup->PositionNearCombo();
 
     // show it
     m_winPopup->PositionNearCombo();
 
     // show it

+    m_popup->OnShow();

     m_winPopup->Popup(m_text);
     m_text->SelectAll();
     m_popup->SetSelection(m_text->GetValue());
     m_winPopup->Popup(m_text);
     m_text->SelectAll();
     m_popup->SetSelection(m_text->GetValue());


@@ -505,22 +519,28 @@ bool wxComboListBox::SetSelection(const wxString& value)
 
 void wxComboListBox::OnSelect(wxCommandEvent& event)
 {
 
 void wxComboListBox::OnSelect(wxCommandEvent& event)
 {

-    // first let the user code have the event
-
-    // all fields are already filled by the listbox, just change the event
-    // type and send it to the combo
-    wxCommandEvent event2 = event;
-    event2.SetEventType(wxEVT_COMMAND_COMBOBOX_SELECTED);
-    event2.SetEventObject(m_combo);
-    event2.SetId(m_combo->GetId());
-    m_combo->ProcessEvent(event2);
-
-    // next update the combo and close the listbox
-    m_combo->OnSelect(event.GetString());
+    if ( m_clicked )
+    {
+        // first update the combo and close the listbox
+        m_combo->OnSelect(event.GetString());
+
+        // next let the user code have the event
+
+        // all fields are already filled by the listbox, just change the event
+        // type and send it to the combo
+        wxCommandEvent event2 = event;
+        event2.SetEventType(wxEVT_COMMAND_COMBOBOX_SELECTED);
+        event2.SetEventObject(m_combo);
+        event2.SetId(m_combo->GetId());
+        m_combo->ProcessEvent(event2);
+    }
+    //else: ignore the events resultign from just moving the mouse initially

 }
 
 void wxComboListBox::OnShow()
 {
 }
 
 void wxComboListBox::OnShow()
 {

+    // nobody clicked us yet
+    m_clicked = FALSE;

 }
 
 bool wxComboListBox::PerformAction(const wxControlAction& action,
 }
 
 bool wxComboListBox::PerformAction(const wxControlAction& action,


@@ -539,6 +559,14 @@ bool wxComboListBox::PerformAction(const wxControlAction& action,
     return wxListBox::PerformAction(action, numArg, strArg);
 }
 
     return wxListBox::PerformAction(action, numArg, strArg);
 }
 

+void wxComboListBox::OnLeftUp(wxMouseEvent& event)
+{
+    // we should dismiss the combo now
+    m_clicked = TRUE;
+
+    event.Skip();
+}
+

 void wxComboListBox::OnMouseMove(wxMouseEvent& event)
 {
     // while a wxComboListBox is shown, it always has capture, so if it doesn't
 void wxComboListBox::OnMouseMove(wxMouseEvent& event)
 {
     // while a wxComboListBox is shown, it always has capture, so if it doesn't


@@ -760,7 +788,7 @@ wxClientData* wxComboBox::DoGetItemClientObject(int n) const
 // input handling
 // ----------------------------------------------------------------------------
 
 // input handling
 // ----------------------------------------------------------------------------
 

-void wxComboControl::OnKey(wxCommandEvent& event)
+void wxComboControl::OnKey(wxKeyEvent& event)

 {
     if ( m_isPopupShown )
     {
 {
     if ( m_isPopupShown )
     {


@@ -815,7 +843,7 @@ wxStdComboBoxInputHandler::wxStdComboBoxInputHandler(wxInputHandler *inphand)
 {
 }
 
 {
 }
 

-bool wxStdComboBoxInputHandler::HandleKey(wxControl *control,
+bool wxStdComboBoxInputHandler::HandleKey(wxInputConsumer *consumer,

                                           const wxKeyEvent& event,
                                           bool pressed)
 {
                                           const wxKeyEvent& event,
                                           bool pressed)
 {


@@ -835,13 +863,13 @@ bool wxStdComboBoxInputHandler::HandleKey(wxControl *control,
 
         if ( !!action )
         {
 
         if ( !!action )
         {

-            control->PerformAction(action);
+            consumer->PerformAction(action);

 
             return TRUE;
         }
     }
 
 
             return TRUE;
         }
     }
 

-    return wxStdInputHandler::HandleKey(control, event, pressed);
+    return wxStdInputHandler::HandleKey(consumer, event, pressed);

 }
 
 #endif // wxUSE_COMBOBOX
 }
 
 #endif // wxUSE_COMBOBOX