Committing in .

[wxWidgets.git] / src / msw / spinctrl.cpp

diff --git a/src/msw/spinctrl.cpp b/src/msw/spinctrl.cpp
index 2ee0255f6c1d63ae005bd040b596bf629cedc911..9f2928f82a467f2b3640666e244bd0f97cc14dda 100644 (file)
--- a/src/msw/spinctrl.cpp
+++ b/src/msw/spinctrl.cpp
@@ -33,40 +33,75 @@
     #include "wx/wx.h"
 #endif
 
     #include "wx/wx.h"
 #endif
 

+#if wxUSE_SPINCTRL
+

 #if defined(__WIN95__)
 
 #include "wx/spinctrl.h"
 #include "wx/msw/private.h"
 
 #if defined(__WIN95__)
 
 #include "wx/spinctrl.h"
 #include "wx/msw/private.h"
 

-#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS)
+#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__))

     #include <commctrl.h>
 #endif
 
     #include <commctrl.h>
 #endif
 

+#include <limits.h>         // for INT_MIN
+

 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------
 

-#if !USE_SHARED_LIBRARY
-    IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
-#endif
+IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
+
+BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton)
+    EVT_SPIN(-1, wxSpinCtrl::OnSpinChange)
+END_EVENT_TABLE()

 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 

-// the margin between the up-down control and its buddy
-static const int MARGIN_BETWEEN = 5;
+// the margin between the up-down control and its buddy (can be arbitrary,
+// choose what you like - or may be decide during run-time depending on the
+// font size?)
+static const int MARGIN_BETWEEN = 1;

 
 // ============================================================================
 // implementation
 // ============================================================================
 
 
 // ============================================================================
 // implementation
 // ============================================================================
 

+// ----------------------------------------------------------------------------
+// wnd proc for the buddy text ctrl
+// ----------------------------------------------------------------------------
+
+LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd,
+                                            UINT message,
+                                            WPARAM wParam,
+                                            LPARAM lParam)
+{
+    wxSpinCtrl *spin = (wxSpinCtrl *)::GetWindowLong(hwnd, GWL_USERDATA);
+
+    // forward some messages (the key ones only so far) to the spin ctrl
+    switch ( message )
+    {
+        case WM_CHAR:
+        case WM_DEADCHAR:
+        case WM_KEYUP:
+        case WM_KEYDOWN:
+            spin->MSWWindowProc(message, wParam, lParam);
+            break;
+    }
+
+    return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(),
+                            hwnd, message, wParam, lParam);
+}
+

 // ----------------------------------------------------------------------------
 // construction
 // ----------------------------------------------------------------------------
 
 bool wxSpinCtrl::Create(wxWindow *parent,
                         wxWindowID id,
 // ----------------------------------------------------------------------------
 // construction
 // ----------------------------------------------------------------------------
 
 bool wxSpinCtrl::Create(wxWindow *parent,
                         wxWindowID id,

+                        const wxString& value,

                         const wxPoint& pos,
                         const wxSize& size,
                         long style,
                         const wxPoint& pos,
                         const wxSize& size,
                         long style,


@@ -76,12 +111,19 @@ bool wxSpinCtrl::Create(wxWindow *parent,
     // before using DoGetBestSize(), have to set style to let the base class
     // know whether this is a horizontal or vertical control (we're always
     // vertical)
     // before using DoGetBestSize(), have to set style to let the base class
     // know whether this is a horizontal or vertical control (we're always
     // vertical)

-    SetWindowStyle(style | wxSP_VERTICAL);
+    style |= wxSP_VERTICAL;
+    SetWindowStyle(style);

 
     // calculate the sizes: the size given is the toal size for both controls
     // and we need to fit them both in the given width (height is the same)
     wxSize sizeText(size), sizeBtn(size);
     sizeBtn.x = wxSpinButton::DoGetBestSize().x;
 
     // calculate the sizes: the size given is the toal size for both controls
     // and we need to fit them both in the given width (height is the same)
     wxSize sizeText(size), sizeBtn(size);
     sizeBtn.x = wxSpinButton::DoGetBestSize().x;

+    if ( sizeText.x <= 0 )
+    {
+        // DEFAULT_ITEM_WIDTH is the default width for the text control
+        sizeText.x = DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN + sizeBtn.x;
+    }
+

     sizeText.x -= sizeBtn.x + MARGIN_BETWEEN;
     if ( sizeText.x <= 0 )
     {
     sizeText.x -= sizeBtn.x + MARGIN_BETWEEN;
     if ( sizeText.x <= 0 )
     {


@@ -101,53 +143,181 @@ bool wxSpinCtrl::Create(wxWindow *parent,
     SetValue(initial);
 
     // create the text window
     SetValue(initial);
 
     // create the text window

-    if ( sizeText.y <= 0 )
-    {
-        // make it the same height as the button then
-        int x, y;
-        wxSpinButton::DoGetSize(&x, &y);
-
-        sizeText.y = y;
-    }
-

     m_hwndBuddy = (WXHWND)::CreateWindowEx
                     (
     m_hwndBuddy = (WXHWND)::CreateWindowEx
                     (

-                     WS_EX_CLIENTEDGE,                  // sunken border
-                     _T("EDIT"),                        // window class
-                     NULL,                              // no window title
-                     WS_CHILD | WS_VISIBLE | WS_BORDER, // style
-                     pos.x, pos.y,                      // position
-                     sizeText.x, sizeText.y,            // size
-                     GetHwndOf(parent),                 // parent
-                     (HMENU)-1,                         // control id
-                     wxGetInstance(),                   // app instance
-                     NULL                               // unused client data
+                     WS_EX_CLIENTEDGE,       // sunken border
+                     _T("EDIT"),             // window class
+                     NULL,                   // no window title
+                     WS_CHILD | WS_BORDER /* | WS_CLIPSIBLINGS */,   // style (will be shown later)
+                     pos.x, pos.y,           // position
+                     0, 0,                   // size (will be set later)
+                     GetHwndOf(parent),      // parent
+                     (HMENU)-1,              // control id
+                     wxGetInstance(),        // app instance
+                     NULL                    // unused client data

                     );
 
     if ( !m_hwndBuddy )
     {
                     );
 
     if ( !m_hwndBuddy )
     {

-        wxLogLastError("CreateWindow(buddy text window)");
+        wxLogLastError(wxT("CreateWindow(buddy text window)"));

 
         return FALSE;
     }
 
 
         return FALSE;
     }
 

+    // subclass the text ctrl to be able to intercept some events
+    m_oldBuddyWndProc = (WXFARPROC)::GetWindowLong((HWND)m_hwndBuddy, GWL_WNDPROC);
+    ::SetWindowLong((HWND)m_hwndBuddy, GWL_USERDATA, (LONG)this);
+    ::SetWindowLong((HWND)m_hwndBuddy, GWL_WNDPROC, (LONG)wxBuddyTextWndProc);
+

     // should have the same font as the other controls
     // should have the same font as the other controls

-    WXHANDLE hFont = GetParent()->GetFont().GetResourceHandle();
-    ::SendMessage((HWND)m_hwndBuddy, WM_SETFONT, (WPARAM)hFont, TRUE);
+    SetFont(GetParent()->GetFont());
+
+    // set the size of the text window - can do it only now, because we
+    // couldn't call DoGetBestSize() before as font wasn't set
+    if ( sizeText.y <= 0 )
+    {
+        int cx, cy;
+        wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+
+        sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
+    }
+
+    DoMoveWindow(pos.x, pos.y,
+                 sizeText.x + sizeBtn.x + MARGIN_BETWEEN, sizeText.y);
+
+    (void)::ShowWindow((HWND)m_hwndBuddy, SW_SHOW);

 
     // associate the text window with the spin button
 
     // associate the text window with the spin button

-    (void)SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
+    (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
+
+    if ( !value.IsEmpty() )
+    {
+        SetValue(value);
+    }
+
+    return TRUE;
+}
+
+wxSpinCtrl::~wxSpinCtrl()
+{
+    // destroy the buddy window because this pointer which wxBuddyTextWndProc
+    // uses will not soon be valid any more
+    ::DestroyWindow((HWND)m_hwndBuddy);
+}
+
+// ----------------------------------------------------------------------------
+// wxTextCtrl-like methods
+// ----------------------------------------------------------------------------
+
+void wxSpinCtrl::SetValue(const wxString& text)
+{
+    if ( !::SetWindowText((HWND)m_hwndBuddy, text.c_str()) )
+    {
+        wxLogLastError(wxT("SetWindowText(buddy)"));
+    }
+}
+
+int wxSpinCtrl::GetValue() const
+{
+    wxString val = wxGetWindowText(m_hwndBuddy);
+
+    long n;
+    if ( (wxSscanf(val, wxT("%lu"), &n) != 1) )
+        n = INT_MIN;
+
+    return n;
+}
+
+// ----------------------------------------------------------------------------
+// forward some methods to subcontrols
+// ----------------------------------------------------------------------------
+
+bool wxSpinCtrl::SetFont(const wxFont& font)
+{
+    if ( !wxWindowBase::SetFont(font) )
+    {
+        // nothing to do
+        return FALSE;
+    }
+
+    WXHANDLE hFont = GetFont().GetResourceHandle();
+    (void)::SendMessage((HWND)m_hwndBuddy, WM_SETFONT, (WPARAM)hFont, TRUE);
+
+    return TRUE;
+}
+
+bool wxSpinCtrl::Show(bool show)
+{
+    if ( !wxControl::Show(show) )
+    {
+        return FALSE;
+    }
+
+    ::ShowWindow((HWND)m_hwndBuddy, show ? SW_SHOW : SW_HIDE);
+
+    return TRUE;
+}
+
+bool wxSpinCtrl::Enable(bool enable)
+{
+    if ( !wxControl::Enable(enable) )
+    {
+        return FALSE;
+    }
+
+    ::EnableWindow((HWND)m_hwndBuddy, enable);

 
     return TRUE;
 }
 
 
     return TRUE;
 }
 

+void wxSpinCtrl::SetFocus()
+{
+    ::SetFocus((HWND)m_hwndBuddy);
+}
+
+// ----------------------------------------------------------------------------
+// event processing
+// ----------------------------------------------------------------------------
+
+void wxSpinCtrl::OnSpinChange(wxSpinEvent& eventSpin)
+{
+    wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId());
+    event.SetEventObject(this);
+    event.SetInt(eventSpin.GetPosition());
+
+    (void)GetEventHandler()->ProcessEvent(event);
+
+    if ( eventSpin.GetSkipped() )
+    {
+        event.Skip();
+    }
+}
+

 // ----------------------------------------------------------------------------
 // size calculations
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // size calculations
 // ----------------------------------------------------------------------------
 

+wxSize wxSpinCtrl::DoGetBestSize() const
+{
+    wxSize sizeBtn = wxSpinButton::DoGetBestSize();
+    sizeBtn.x += DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN;
+
+    int y;
+    wxGetCharSize(GetHWND(), NULL, &y, &GetFont());
+    y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(y);
+
+    if ( sizeBtn.y < y )
+    {
+        // make the text tall enough
+        sizeBtn.y = y;
+    }
+
+    return sizeBtn;
+}
+

 void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
 {
 void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
 {

-    int widthBtn = DoGetBestSize().x;
+    int widthBtn = wxSpinButton::DoGetBestSize().x;

     int widthText = width - widthBtn - MARGIN_BETWEEN;
     if ( widthText <= 0 )
     {
     int widthText = width - widthBtn - MARGIN_BETWEEN;
     if ( widthText <= 0 )
     {


@@ -156,14 +326,43 @@ void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
 
     if ( !::MoveWindow((HWND)m_hwndBuddy, x, y, widthText, height, TRUE) )
     {
 
     if ( !::MoveWindow((HWND)m_hwndBuddy, x, y, widthText, height, TRUE) )
     {

-        wxLogLastError("MoveWindow(buddy)");
+        wxLogLastError(wxT("MoveWindow(buddy)"));

     }
 
     x += widthText + MARGIN_BETWEEN;
     if ( !::MoveWindow(GetHwnd(), x, y, widthBtn, height, TRUE) )
     {
     }
 
     x += widthText + MARGIN_BETWEEN;
     if ( !::MoveWindow(GetHwnd(), x, y, widthBtn, height, TRUE) )
     {

-        wxLogLastError("MoveWindow");
+        wxLogLastError(wxT("MoveWindow"));

     }
 }
 
     }
 }
 

+// get total size of the control
+void wxSpinCtrl::DoGetSize(int *x, int *y) const
+{
+    RECT spinrect, textrect, ctrlrect;
+    GetWindowRect(GetHwnd(), &spinrect);
+    GetWindowRect((HWND)m_hwndBuddy, &textrect);
+    UnionRect(&ctrlrect,&textrect, &spinrect);
+
+    if ( x )
+        *x = ctrlrect.right - ctrlrect.left;
+    if ( y )
+        *y = ctrlrect.bottom - ctrlrect.top;
+}
+
+void wxSpinCtrl::DoGetPosition(int *x, int *y) const
+{
+    // hack: pretend that our HWND is the text control just for a moment
+    WXHWND hWnd = GetHWND();
+    wxConstCast(this, wxSpinCtrl)->m_hWnd = m_hwndBuddy;
+
+    wxSpinButton::DoGetPosition(x, y);
+
+    wxConstCast(this, wxSpinCtrl)->m_hWnd = hWnd;
+}
+

 #endif // __WIN95__
 #endif // __WIN95__

+
+#endif
+       // wxUSE_SPINCTRL
+