/////////////////////////////////////////////////////////////////////////////
-// Name: control.cpp
+// Name: msw/control.cpp
// Purpose: wxControl class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
-#pragma implementation "control.h"
+ #pragma implementation "control.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
+#if wxUSE_CONTROLS
+
#ifndef WX_PRECOMP
-#include "wx/app.h"
-#include "wx/dcclient.h"
+ #include "wx/event.h"
+ #include "wx/app.h"
+ #include "wx/dcclient.h"
+ #include "wx/log.h"
#endif
-#include "wx/msw/private.h"
+#include "wx/control.h"
-#if defined(__WIN95__) && !defined(__GNUWIN32__)
-#include <commctrl.h>
-#endif
+#include "wx/msw/private.h"
-#ifdef GetCharWidth
-#undef GetCharWidth
-#undef GetWindowProc
+#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
+ #include <commctrl.h>
#endif
-#if !USE_SHARED_LIBRARY
IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
BEGIN_EVENT_TABLE(wxControl, wxWindow)
- EVT_ERASE_BACKGROUND(wxControl::OnEraseBackground)
+ EVT_ERASE_BACKGROUND(wxControl::OnEraseBackground)
END_EVENT_TABLE()
-#endif
// Item members
-wxControl::wxControl(void)
+wxControl::wxControl()
{
- m_backgroundColour = *wxWHITE;
- m_foregroundColour = *wxBLACK;
- m_callback = 0;
+#if WXWIN_COMPATIBILITY
+ m_callback = 0;
+#endif // WXWIN_COMPATIBILITY
}
-wxControl::~wxControl(void)
+wxControl::~wxControl()
{
- m_isBeingDeleted = TRUE;
-
- // If we delete an item, we should initialize the parent panel,
- // because it could now be invalid.
- wxWindow *parent = (wxWindow *)GetParent();
- if (parent)
- {
- if (parent->GetDefaultItem() == this)
- parent->SetDefaultItem(NULL);
- }
+ m_isBeingDeleted = TRUE;
}
-void wxControl::SetLabel(const wxString& label)
-{
- if (GetHWND())
- SetWindowText((HWND) GetHWND(), (const char *)label);
-}
-wxString wxControl::GetLabel(void) const
+bool wxControl::Create(wxWindow *parent, wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size, long style,
+ const wxValidator& validator,
+ const wxString& name)
{
- wxBuffer[0] = 0;
- if (GetHWND())
- GetWindowText((HWND)GetHWND(), wxBuffer, 1000);
-
- return wxString(wxBuffer);
+ bool rval = wxWindow::Create(parent, id, pos, size, style, name);
+ if (rval) {
+#if wxUSE_VALIDATORS
+ SetValidator(validator);
+#endif
+ }
+ return rval;
}
-// Call this repeatedly for several wnds to find the overall size
-// of the widget.
-// Call it initially with -1 for all values in rect.
-// Keep calling for other widgets, and rect will be modified
-// to calculate largest bounding rectangle.
-void wxFindMaxSize(WXHWND wnd, RECT *rect)
+bool wxControl::MSWCreateControl(const wxChar *classname,
+ WXDWORD style,
+ const wxPoint& pos,
+ const wxSize& size,
+ const wxString& label,
+ WXDWORD exstyle)
{
- int left = rect->left;
- int right = rect->right;
- int top = rect->top;
- int bottom = rect->bottom;
+ // want3D tells us whether or not the style specified a 3D border.
+ // If so, under WIN16 we can use Ctl3D to give it an appropriate style.
+ // Sometimes want3D is used to indicate that the non-extended style should have
+ // WS_BORDER.
+ bool want3D = TRUE;
+
+ // if no extended style given, determine it ourselves
+ if ( exstyle == (WXDWORD)-1 )
+ {
+ exstyle = GetExStyle(style, &want3D);
+ }
- GetWindowRect((HWND) wnd, rect);
+ // all controls have these styles (wxWindows creates all controls visible
+ // by default)
+ style |= WS_CHILD | WS_VISIBLE;
+
+ int x = pos.x == -1 ? 0 : pos.x,
+ y = pos.y == -1 ? 0 : pos.y,
+ w = size.x == -1 ? 0 : size.x,
+ h = size.y == -1 ? 0 : size.y;
+
+ m_hWnd = (WXHWND)::CreateWindowEx
+ (
+ exstyle, // extended style
+ classname, // the kind of control to create
+ label, // the window name
+ style, // the window style
+ x, y, w, h, // the window position and size
+ GetHwndOf(GetParent()), // parent
+ (HMENU)GetId(), // child id
+ wxGetInstance(), // app instance
+ NULL // creation parameters
+ );
+
+ if ( !m_hWnd )
+ {
+ wxLogDebug(wxT("Failed to create a control of class '%s'"), classname);
+ wxFAIL_MSG(_T("something is very wrong"));
- if (left < 0)
- return;
+ return FALSE;
+ }
- if (left < rect->left)
- rect->left = left;
+#if wxUSE_CTL3D
+ if ( want3D )
+ {
+ Ctl3dSubclassCtl(GetHwnd());
+ m_useCtl3D = TRUE;
+ }
+#endif // wxUSE_CTL3D
- if (right > rect->right)
- rect->right = right;
+ // install wxWindows window proc for this window
+ SubclassWin(m_hWnd);
- if (top < rect->top)
- rect->top = top;
+ // controls use the same font and colours as their parent dialog by default
+ InheritAttributes();
- if (bottom > rect->bottom)
- rect->bottom = bottom;
+ // set the size now if no initial size specified
+ if ( w == 0 || h == 0 )
+ {
+ SetBestSize(size);
+ }
+ return TRUE;
}
-/*
-// Not currently used
-void wxConvertDialogToPixels(wxWindow *control, int *x, int *y)
+wxSize wxControl::DoGetBestSize() const
{
- if (control->m_windowParent && control->m_windowParent->is_dialog)
- {
- DWORD word = GetDialogBaseUnits();
- int xs = LOWORD(word);
- int ys = HIWORD(word);
- *x = (int)(*x * xs/4);
- *y = (int)(*y * ys/8);
- }
- else
- {
- *x = *x;
- *y = *y;
- }
+ return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT);
}
-*/
-
-#if 0
-// We can't rely on Windows giving us events corresponding to the wxWindows Z-ordering.
-// E.g. we can't push a wxGroupBox to the back for editing purposes.
-// Convert the item event to parent coordinates, then search for
-// an item that could receive this event.
-wxControl *wxFakeItemEvent(wxWindow *parent, wxControl *item, wxMouseEvent& event)
+
+bool wxControl::ProcessCommand(wxCommandEvent& event)
{
- int x, y;
- item->GetPosition(&x, &y);
- event.m_x += x;
- event.m_y += y;
-
- wxNode *node = parent->GetChildren()->Last();
- while (node)
- {
- wxControl *newItem = (wxControl *)node->Data();
- if (newItem->IsSelected() && newItem->SelectionHandleHitTest(event.x, event.GetY()))
- {
- // This event belongs to the panel.
- parent->GetEventHandler()->OldOnMouseEvent(event);
- return NULL;
- }
- else if (newItem->HitTest(event.x, event.GetY()))
+#if WXWIN_COMPATIBILITY
+ if ( m_callback )
{
- int x1, y1;
- newItem->GetPosition(&x1, &y1);
- event.x -= x1;
- event.GetY() -= y1;
- newItem->OldOnMouseEvent(event);
- return newItem;
+ (void)(*m_callback)(*this, event);
+
+ return TRUE;
}
- node = node->Previous();
- }
- // No takers, so do what we would have done anyway.
- event.x -= x;
- event.y -= y;
- item->OldOnMouseEvent(event);
- return item;
-}
-#endif
+ else
+#endif // WXWIN_COMPATIBILITY
-void wxControl::MSWOnMouseMove(const int x, const int y, const WXUINT flags)
-{
-/*
- // Trouble with this is that it sets the cursor for controls too :-(
- if (m_windowCursor.Ok() && !wxIsBusy())
- ::SetCursor(m_windowCursor.GetHCURSOR());
-*/
-
- if (!m_mouseInWindow)
- {
- // Generate an ENTER event
- m_mouseInWindow = TRUE;
- MSWOnMouseEnter(x, y, flags);
- }
-
- wxMouseEvent event(wxEVT_MOTION);
-
- event.m_x = x; event.m_y = y;
- event.m_shiftDown = ((flags & MK_SHIFT) != 0);
- event.m_controlDown = ((flags & MK_CONTROL) != 0);
- event.m_leftDown = ((flags & MK_LBUTTON) != 0);
- event.m_middleDown = ((flags & MK_MBUTTON) != 0);
- event.m_rightDown = ((flags & MK_RBUTTON) != 0);
- event.SetTimestamp(wxApp::sm_lastMessageTime);
- event.SetEventObject( this );
-
- // Window gets a click down message followed by a mouse move
- // message even if position isn't changed! We want to discard
- // the trailing move event if x and y are the same.
- if ((m_lastEvent == wxEVT_RIGHT_DOWN || m_lastEvent == wxEVT_LEFT_DOWN ||
- m_lastEvent == wxEVT_MIDDLE_DOWN) &&
- (m_lastXPos == event.GetX() && m_lastYPos == event.GetY()))
- {
- m_lastXPos = event.GetX(); m_lastYPos = event.GetY();
- m_lastEvent = wxEVT_MOTION;
- return;
- }
-
- m_lastEvent = wxEVT_MOTION;
- m_lastXPos = event.GetX(); m_lastYPos = event.GetY();
- GetEventHandler()->OldOnMouseEvent(event);
+ return GetEventHandler()->ProcessEvent(event);
}
-long wxControl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+#ifdef __WIN95__
+bool wxControl::MSWOnNotify(int idCtrl,
+ WXLPARAM lParam,
+ WXLPARAM* result)
{
- return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
-}
+ wxEventType eventType = wxEVT_NULL;
-bool wxControl::MSWNotify(const WXWPARAM wParam, const WXLPARAM lParam)
-{
-#if defined(__WIN95__)
- wxCommandEvent event(0, m_windowId);
- int eventType = 0;
- NMHDR *hdr1 = (NMHDR*) lParam;
- switch ( hdr1->code )
- {
- case NM_CLICK:
- {
- eventType = wxEVT_COMMAND_LEFT_CLICK;
- break;
- }
- case NM_DBLCLK:
- {
- eventType = wxEVT_COMMAND_LEFT_DCLICK;
- break;
- }
- case NM_RCLICK:
- {
- eventType = wxEVT_COMMAND_RIGHT_CLICK;
- break;
- }
- case NM_RDBLCLK:
- {
- eventType = wxEVT_COMMAND_RIGHT_DCLICK;
- break;
- }
- case NM_SETFOCUS:
- {
- eventType = wxEVT_COMMAND_SET_FOCUS;
- break;
- }
- case NM_KILLFOCUS:
- {
- eventType = wxEVT_COMMAND_KILL_FOCUS;
- break;
- }
- case NM_RETURN:
- {
- eventType = wxEVT_COMMAND_ENTER;
- break;
- }
-/* Not implemented
- case NM_OUTOFMEMORY:
- {
- eventType = wxEVT_COMMAND_OUT_OF_MEMORY;
- break;
- }
-*/
- default :
- return FALSE;
- break;
- }
+ NMHDR *hdr = (NMHDR*) lParam;
+ switch ( hdr->code )
+ {
+ case NM_CLICK:
+ eventType = wxEVT_COMMAND_LEFT_CLICK;
+ break;
+
+ case NM_DBLCLK:
+ eventType = wxEVT_COMMAND_LEFT_DCLICK;
+ break;
+
+ case NM_RCLICK:
+ eventType = wxEVT_COMMAND_RIGHT_CLICK;
+ break;
+
+ case NM_RDBLCLK:
+ eventType = wxEVT_COMMAND_RIGHT_DCLICK;
+ break;
+
+ case NM_SETFOCUS:
+ eventType = wxEVT_COMMAND_SET_FOCUS;
+ break;
+
+ case NM_KILLFOCUS:
+ eventType = wxEVT_COMMAND_KILL_FOCUS;
+ break;
+
+ case NM_RETURN:
+ eventType = wxEVT_COMMAND_ENTER;
+ break;
+
+ default:
+ return wxWindow::MSWOnNotify(idCtrl, lParam, result);
+ }
+
+ wxCommandEvent event(wxEVT_NULL, m_windowId);
event.SetEventType(eventType);
- event.SetEventObject(this);
+ event.SetEventObject(this);
- if ( !ProcessEvent(event) )
- return FALSE;
- return TRUE;
-#else
- return FALSE;
-#endif
+ return GetEventHandler()->ProcessEvent(event);
}
+#endif // Win95
+
+void wxControl::OnEraseBackground(wxEraseEvent& event)
+{
+ // notice that this 'dumb' implementation may cause flicker for some of the
+ // controls in which case they should intercept wxEraseEvent and process it
+ // themselves somehow
-/*
- * Allocates control IDs within the appropriate range
- */
+ RECT rect;
+ ::GetClientRect(GetHwnd(), &rect);
+ HBRUSH hBrush = ::CreateSolidBrush(wxColourToRGB(GetBackgroundColour()));
-int NewControlId(void)
-{
- static int controlId = 0;
- controlId ++;
- return controlId;
+ HDC hdc = GetHdcOf((*event.GetDC()));
+ int mode = ::SetMapMode(hdc, MM_TEXT);
+
+ ::FillRect(hdc, &rect, hBrush);
+ ::DeleteObject(hBrush);
+ ::SetMapMode(hdc, mode);
}
-void wxControl::ProcessCommand (wxCommandEvent & event)
+WXHBRUSH wxControl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
+#if wxUSE_CTL3D
+ WXUINT message,
+ WXWPARAM wParam,
+ WXLPARAM lParam
+#else
+ WXUINT WXUNUSED(message),
+ WXWPARAM WXUNUSED(wParam),
+ WXLPARAM WXUNUSED(lParam)
+#endif
+ )
{
- // Tries:
- // 1) A callback function (to become obsolete)
- // 2) OnCommand, starting at this window and working up parent hierarchy
- // 3) OnCommand then calls ProcessEvent to search the event tables.
- if (m_callback)
+#if wxUSE_CTL3D
+ if ( m_useCtl3D )
{
- (void) (*(m_callback)) (*this, event);
+ HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
+ return (WXHBRUSH) hbrush;
}
+#endif // wxUSE_CTL3D
+
+ HDC hdc = (HDC)pDC;
+ if (GetParent()->GetTransparentBackground())
+ SetBkMode(hdc, TRANSPARENT);
else
- {
- GetEventHandler()->OnCommand(*this, event);
- }
-}
+ SetBkMode(hdc, OPAQUE);
-void wxControl::OnEraseBackground(wxEraseEvent& event)
-{
- // In general, you don't want to erase the background of a control,
- // or you'll get a flicker.
- // TODO: move this 'null' function into each control that
- // might flicker.
+ wxColour colBack = GetBackgroundColour();
- RECT rect;
- ::GetClientRect((HWND) GetHWND(), &rect);
+ ::SetBkColor(hdc, wxColourToRGB(colBack));
+ ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
- HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
- int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT);
+ wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
- ::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush);
- ::DeleteObject(hBrush);
- ::SetMapMode((HDC) event.GetDC()->GetHDC(), mode);
+ return (WXHBRUSH)brush->GetResourceHandle();
}
-void wxControl::SetClientSize (const int width, const int height)
+WXDWORD wxControl::GetExStyle(WXDWORD& style, bool *want3D) const
{
- SetSize (-1, -1, width, height);
+ WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, want3D);
+
+ // Even with extended styles, need to combine with WS_BORDER for them to
+ // look right.
+ if ( *want3D || wxStyleHasBorder(m_windowStyle) )
+ style |= WS_BORDER;
+
+ return exStyle;
}
-void wxControl::Centre (const int direction)
+// ---------------------------------------------------------------------------
+// global functions
+// ---------------------------------------------------------------------------
+
+// Call this repeatedly for several wnds to find the overall size
+// of the widget.
+// Call it initially with -1 for all values in rect.
+// Keep calling for other widgets, and rect will be modified
+// to calculate largest bounding rectangle.
+void wxFindMaxSize(WXHWND wnd, RECT *rect)
{
- int x, y, width, height, panel_width, panel_height, new_x, new_y;
+ int left = rect->left;
+ int right = rect->right;
+ int top = rect->top;
+ int bottom = rect->bottom;
- wxWindow *parent = (wxWindow *) GetParent ();
- if (!parent)
- return;
+ GetWindowRect((HWND) wnd, rect);
- parent->GetClientSize (&panel_width, &panel_height);
- GetSize (&width, &height);
- GetPosition (&x, &y);
+ if (left < 0)
+ return;
- new_x = x;
- new_y = y;
+ if (left < rect->left)
+ rect->left = left;
- if (direction & wxHORIZONTAL)
- new_x = (int) ((panel_width - width) / 2);
+ if (right > rect->right)
+ rect->right = right;
- if (direction & wxVERTICAL)
- new_y = (int) ((panel_height - height) / 2);
+ if (top < rect->top)
+ rect->top = top;
- SetSize (new_x, new_y, width, height);
- int temp_x, temp_y;
- GetPosition (&temp_x, &temp_y);
- GetPosition (&temp_x, &temp_y);
+ if (bottom > rect->bottom)
+ rect->bottom = bottom;
}
-
+#endif // wxUSE_CONTROLS
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