]> git.saurik.com Git - wxWidgets.git/blobdiff - src/univ/button.cpp
Added DnD guard
[wxWidgets.git] / src / univ / button.cpp
index 95d4ce4aee40b65e7ea17e67e9aa5674a88a686e..c1a5aa5b20f38e85e15d3fb85e651c5a1699d0e3 100644 (file)
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "univbutton.h"
-#endif
-
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
     #include "wx/dcscreen.h"
     #include "wx/button.h"
     #include "wx/validate.h"
+    #include "wx/settings.h"
 #endif
 
 #include "wx/univ/renderer.h"
 #include "wx/univ/inphand.h"
 #include "wx/univ/theme.h"
+#include "wx/univ/colschem.h"
+#include "wx/stockitem.h"
+
+// ----------------------------------------------------------------------------
+// wxStdButtonInputHandler: translates SPACE and ENTER keys and the left mouse
+// click into button press/release actions
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxStdButtonInputHandler : public wxStdInputHandler
+{
+public:
+    wxStdButtonInputHandler(wxInputHandler *inphand);
+
+    virtual bool HandleKey(wxInputConsumer *consumer,
+                           const wxKeyEvent& event,
+                           bool pressed);
+    virtual bool HandleMouse(wxInputConsumer *consumer,
+                             const wxMouseEvent& event);
+    virtual bool HandleMouseMove(wxInputConsumer *consumer,
+                                 const wxMouseEvent& event);
+    virtual bool HandleFocus(wxInputConsumer *consumer,
+                             const wxFocusEvent& event);
+    virtual bool HandleActivation(wxInputConsumer *consumer, bool activated);
+
+private:
+    // the window (button) which has capture or NULL and the flag telling if
+    // the mouse is inside the button which captured it or not
+    wxWindow *m_winCapture;
+    bool      m_winHasMouse;
+};
 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 // default margins around the image
-static const wxCoord DEFAULT_BTN_MARGIN_X = 0;
+static const wxCoord DEFAULT_BTN_MARGIN_X = 0;  // We should give space for the border, at least.
 static const wxCoord DEFAULT_BTN_MARGIN_Y = 0;
 
 // ============================================================================
@@ -61,35 +88,53 @@ IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl)
 void wxButton::Init()
 {
     m_isPressed =
-    m_isDefault = FALSE;
+    m_isDefault = false;
 }
 
 bool wxButton::Create(wxWindow *parent,
                       wxWindowID id,
                       const wxBitmap& bitmap,
-                      const wxString &label,
+                      const wxString &lbl,
                       const wxPoint &pos,
                       const wxSize &size,
                       long style,
                       const wxValidator& validator,
                       const wxString &name)
 {
-    // center label by default
-    if ( !(style & wxALIGN_MASK) )
-    {
-        style |= wxALIGN_CENTRE_HORIZONTAL | wxALIGN_CENTRE_VERTICAL;
-    }
+    wxString label(lbl);
+    if (label.empty() && wxIsStockID(id))
+        label = wxGetStockLabel(id);
+
+    long ctrl_style = style & ~wxBU_ALIGN_MASK;
+    ctrl_style = ctrl_style & ~wxALIGN_MASK;
 
-    if ( !wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name) )
-        return FALSE;
+    if((style & wxBU_RIGHT) == wxBU_RIGHT)
+        ctrl_style |= wxALIGN_RIGHT;
+    else if((style & wxBU_LEFT) == wxBU_LEFT)
+        ctrl_style |= wxALIGN_LEFT;
+    else
+        ctrl_style |= wxALIGN_CENTRE_HORIZONTAL;
+
+    if((style & wxBU_TOP) == wxBU_TOP)
+        ctrl_style |= wxALIGN_TOP;
+    else if((style & wxBU_BOTTOM) == wxBU_BOTTOM)
+        ctrl_style |= wxALIGN_BOTTOM;
+    else
+        ctrl_style |= wxALIGN_CENTRE_VERTICAL;
+
+    if ( !wxControl::Create(parent, id, pos, size, ctrl_style, validator, name) )
+        return false;
 
     SetLabel(label);
-    SetImageLabel(bitmap);
-    // SetBestSize(size); -- called by SetImageLabel()
+
+    if (bitmap.Ok())
+        SetImageLabel(bitmap); // SetInitialSize called by SetImageLabel()
+    else
+        SetInitialSize(size);
 
     CreateInputHandler(wxINP_HANDLER_BUTTON);
 
-    return TRUE;
+    return true;
 }
 
 wxButton::~wxButton()
@@ -111,8 +156,11 @@ wxSize wxButtonBase::GetDefaultSize()
 
         // this corresponds more or less to wxMSW standard in Win32 theme (see
         // wxWin32Renderer::AdjustSize())
-        s_sizeBtn.x = 8*dc.GetCharWidth();
-        s_sizeBtn.y = (11*dc.GetCharHeight())/10 + 2;
+//        s_sizeBtn.x = 8*dc.GetCharWidth();
+//        s_sizeBtn.y = (11*dc.GetCharHeight())/10 + 2;
+        // Otto Wyss, Patch 664399
+        s_sizeBtn.x = dc.GetCharWidth()*10 + 2;
+        s_sizeBtn.y = dc.GetCharHeight()*11/10 + 2;
     }
 
     return s_sizeBtn;
@@ -134,12 +182,23 @@ wxSize wxButton::DoGetBestClientSize() const
         width += m_bitmap.GetWidth() + 2*m_marginBmpX;
     }
 
-    // for compatibility with other ports, the buttons default size is never
-    // less than the standard one
-    wxSize szDef = GetDefaultSize();
-    if ( width < szDef.x )
-        width = szDef.x;
+    // The default size should not be adjusted, so the code is moved into the
+    // renderer. This is conceptual wrong but currently the only solution.
+    // (Otto Wyss, Patch 664399)
 
+/*
+    // for compatibility with other ports, the buttons default size is never
+    // less than the standard one, but not when display not PDAs.
+    if (wxSystemSettings::GetScreenType() > wxSYS_SCREEN_PDA)
+    {
+        if ( !(GetWindowStyle() & wxBU_EXACTFIT) )
+        {
+            wxSize szDef = GetDefaultSize();
+            if ( width < szDef.x )
+                width = szDef.x;
+        }
+    }
+*/
     return wxSize(width, height);
 }
 
@@ -149,10 +208,38 @@ wxSize wxButton::DoGetBestClientSize() const
 
 void wxButton::DoDraw(wxControlRenderer *renderer)
 {
-    renderer->DrawButtonBorder();
+    if ( !(GetWindowStyle() & wxBORDER_NONE) )
+    {
+        renderer->DrawButtonBorder();
+    }
+
     renderer->DrawLabel(m_bitmap, m_marginBmpX, m_marginBmpY);
 }
 
+bool wxButton::DoDrawBackground(wxDC& dc)
+{
+    wxRect rect;
+    wxSize size = GetSize();
+    rect.width = size.x;
+    rect.height = size.y;
+
+    if ( GetBackgroundBitmap().Ok() )
+    {
+        // get the bitmap and the flags
+        int alignment;
+        wxStretch stretch;
+        wxBitmap bmp = GetBackgroundBitmap(&alignment, &stretch);
+        wxControlRenderer::DrawBitmap(dc, bmp, rect, alignment, stretch);
+    }
+    else
+    {
+        m_renderer->DrawButtonSurface(dc, wxTHEME_BG_COLOUR(this),
+                                      rect, GetStateFlags());
+    }
+
+    return true;
+}
+
 // ----------------------------------------------------------------------------
 // input processing
 // ----------------------------------------------------------------------------
@@ -161,7 +248,7 @@ void wxButton::Press()
 {
     if ( !m_isPressed )
     {
-        m_isPressed = TRUE;
+        m_isPressed = true;
 
         Refresh();
     }
@@ -171,7 +258,7 @@ void wxButton::Release()
 {
     if ( m_isPressed )
     {
-        m_isPressed = FALSE;
+        m_isPressed = false;
 
         Refresh();
     }
@@ -213,7 +300,15 @@ bool wxButton::PerformAction(const wxControlAction& action,
     else
         return wxControl::PerformAction(action, numArg, strArg);
 
-    return TRUE;
+    return true;
+}
+
+/* static */
+wxInputHandler *wxButton::GetStdInputHandler(wxInputHandler *handlerDef)
+{
+    static wxStdButtonInputHandler s_handlerBtn(handlerDef);
+
+    return &s_handlerBtn;
 }
 
 // ----------------------------------------------------------------------------
@@ -229,15 +324,15 @@ void wxButton::SetImageLabel(const wxBitmap& bitmap)
 
 void wxButton::SetImageMargins(wxCoord x, wxCoord y)
 {
-    m_marginBmpX = x;
-    m_marginBmpY = y;
+    m_marginBmpX = x + 2;
+    m_marginBmpY = y + 2;
 
-    SetBestSize(wxDefaultSize);
+    SetInitialSize(wxDefaultSize);
 }
 
 void wxButton::SetDefault()
 {
-    m_isDefault = TRUE;
+    m_isDefault = true;
 }
 
 // ============================================================================
@@ -248,25 +343,25 @@ wxStdButtonInputHandler::wxStdButtonInputHandler(wxInputHandler *handler)
                        : wxStdInputHandler(handler)
 {
     m_winCapture = NULL;
-    m_winHasMouse = FALSE;
+    m_winHasMouse = false;
 }
 
-bool wxStdButtonInputHandler::HandleKey(wxControl *control,
+bool wxStdButtonInputHandler::HandleKey(wxInputConsumer *consumer,
                                         const wxKeyEvent& event,
                                         bool pressed)
 {
     int keycode = event.GetKeyCode();
     if ( keycode == WXK_SPACE || keycode == WXK_RETURN )
     {
-        control->PerformAction(wxACTION_BUTTON_TOGGLE);
+        consumer->PerformAction(wxACTION_BUTTON_TOGGLE);
 
-        return TRUE;
+        return true;
     }
 
-    return wxStdInputHandler::HandleKey(control, event, pressed);
+    return wxStdInputHandler::HandleKey(consumer, event, pressed);
 }
 
-bool wxStdButtonInputHandler::HandleMouse(wxControl *control,
+bool wxStdButtonInputHandler::HandleMouse(wxInputConsumer *consumer,
                                           const wxMouseEvent& event)
 {
     // the button has 2 states: pressed and normal with the following
@@ -279,17 +374,17 @@ bool wxStdButtonInputHandler::HandleMouse(wxControl *control,
     // the other mouse buttons are ignored
     if ( event.Button(1) )
     {
-        if ( event.ButtonDown(1) )
+        if ( event.LeftDown() || event.LeftDClick() )
         {
-            m_winCapture = control;
+            m_winCapture = consumer->GetInputWindow();
             m_winCapture->CaptureMouse();
-            m_winHasMouse = TRUE;
+            m_winHasMouse = true;
 
-            control->PerformAction(wxACTION_BUTTON_PRESS);
+            consumer->PerformAction(wxACTION_BUTTON_PRESS);
 
-            return TRUE;
+            return true;
         }
-        else // up
+        else if ( event.LeftUp() )
         {
             if ( m_winCapture )
             {
@@ -300,19 +395,20 @@ bool wxStdButtonInputHandler::HandleMouse(wxControl *control,
             if ( m_winHasMouse )
             {
                 // this will generate a click event
-                control->PerformAction(wxACTION_BUTTON_TOGGLE);
+                consumer->PerformAction(wxACTION_BUTTON_TOGGLE);
 
-                return TRUE;
+                return true;
             }
             //else: the mouse was released outside the window, this doesn't
             //      count as a click
         }
+        //else: don't do anything special about the double click
     }
 
-    return wxStdInputHandler::HandleMouse(control, event);
+    return wxStdInputHandler::HandleMouse(consumer, event);
 }
 
-bool wxStdButtonInputHandler::HandleMouseMove(wxControl *control,
+bool wxStdButtonInputHandler::HandleMouseMove(wxInputConsumer *consumer,
                                               const wxMouseEvent& event)
 {
     // we only have to do something when the mouse leaves/enters the pressed
@@ -323,47 +419,47 @@ bool wxStdButtonInputHandler::HandleMouseMove(wxControl *control,
         if ( event.Leaving() )
         {
             // remember that the mouse is now outside
-            m_winHasMouse = FALSE;
+            m_winHasMouse = false;
 
             // we do have a pressed button, so release it
-            control->SetCurrent(FALSE);
-            control->PerformAction(wxACTION_BUTTON_RELEASE);
+            consumer->GetInputWindow()->SetCurrent(false);
+            consumer->PerformAction(wxACTION_BUTTON_RELEASE);
 
-            return TRUE;
+            return true;
         }
         // and entering it back should make it pressed again if it had been
         // pressed
         else if ( event.Entering() )
         {
             // the mouse is (back) inside the button
-            m_winHasMouse = TRUE;
+            m_winHasMouse = true;
 
             // we did have a pressed button which we released when leaving the
             // window, press it again
-            control->SetCurrent(TRUE);
-            control->PerformAction(wxACTION_BUTTON_PRESS);
+            consumer->GetInputWindow()->SetCurrent(true);
+            consumer->PerformAction(wxACTION_BUTTON_PRESS);
 
-            return TRUE;
+            return true;
         }
     }
 
-    return wxStdInputHandler::HandleMouseMove(control, event);
+    return wxStdInputHandler::HandleMouseMove(consumer, event);
 }
 
-bool wxStdButtonInputHandler::HandleFocus(wxControl *control,
-                                          const wxFocusEvent& event)
+bool wxStdButtonInputHandler::HandleFocus(wxInputConsumer * WXUNUSED(consumer),
+                                          const wxFocusEvent& WXUNUSED(event))
 {
-    // buttons change appearance when they get/lose focus, so return TRUE to
+    // buttons change appearance when they get/lose focus, so return true to
     // refresh
-    return TRUE;
+    return true;
 }
 
-bool wxStdButtonInputHandler::HandleActivation(wxControl *control,
-                                               bool activated)
+bool wxStdButtonInputHandler::HandleActivation(wxInputConsumer *consumer,
+                                               bool WXUNUSED(activated))
 {
     // the default button changes appearance when the app is [de]activated, so
-    // return TRUE to refresh
-    return wxStaticCast(control, wxButton)->IsDefault();
+    // return true to refresh
+    return wxStaticCast(consumer->GetInputWindow(), wxButton)->IsDefault();
 }
 
 #endif // wxUSE_BUTTON