From 13f0c85aa4d44627046257b465aac9492646e070 Mon Sep 17 00:00:00 2001 From: Stefan Csomor Date: Sun, 11 Apr 2010 09:26:31 +0000 Subject: [PATCH] cocoa implementation for overlay git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63937 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- include/wx/osx/cocoa/private/overlay.h | 56 +++++++ src/osx/cocoa/overlay.mm | 193 +++++++++++++++++++++++++ 2 files changed, 249 insertions(+) create mode 100644 include/wx/osx/cocoa/private/overlay.h create mode 100644 src/osx/cocoa/overlay.mm diff --git a/include/wx/osx/cocoa/private/overlay.h b/include/wx/osx/cocoa/private/overlay.h new file mode 100644 index 0000000000..a2a113115d --- /dev/null +++ b/include/wx/osx/cocoa/private/overlay.h @@ -0,0 +1,56 @@ +///////////////////////////////////////////////////////////////////////////// +// Name: wx/osx/cocoa/private/overlay.h +// Purpose: wxOverlayImpl declaration +// Author: Stefan Csomor +// Modified by: +// Created: 2006-10-20 +// RCS-ID: $Id: overlay.h 61724 2009-08-21 10:41:26Z VZ $ +// Copyright: (c) wxWidgets team +// Licence: wxWindows licence +///////////////////////////////////////////////////////////////////////////// + +#ifndef _WX_OSX_COCOA_PRIVATE_OVERLAY_H_ +#define _WX_OSX_COCOA_PRIVATE_OVERLAY_H_ + +#include "wx/osx/private.h" +#include "wx/toplevel.h" +#include "wx/graphics.h" + +class wxOverlayImpl +{ +public: + wxOverlayImpl() ; + ~wxOverlayImpl() ; + + + // clears the overlay without restoring the former state + // to be done eg when the window content has been changed and repainted + void Reset(); + + // returns true if it has been setup + bool IsOk(); + + void Init( wxDC* dc, int x , int y , int width , int height ); + + void BeginDrawing( wxDC* dc); + + void EndDrawing( wxDC* dc); + + void Clear( wxDC* dc); + +private: + void CreateOverlayWindow(); + + WXWindow m_overlayWindow; + WXWindow m_overlayParentWindow; + CGContextRef m_overlayContext ; + // we store the window in case we would have to issue a Refresh() + wxWindow* m_window ; + + int m_x ; + int m_y ; + int m_width ; + int m_height ; +} ; + +#endif // _WX_MAC_CARBON_PRIVATE_OVERLAY_H_ diff --git a/src/osx/cocoa/overlay.mm b/src/osx/cocoa/overlay.mm new file mode 100644 index 0000000000..979dd5113e --- /dev/null +++ b/src/osx/cocoa/overlay.mm @@ -0,0 +1,193 @@ +///////////////////////////////////////////////////////////////////////////// +// Name: src/osx/cocoa/overlay.mm +// Purpose: common wxOverlay code +// Author: Stefan Csomor +// Modified by: +// Created: 2006-10-20 +// RCS-ID: $Id: overlay.cpp 55419 2008-09-02 16:53:23Z SC $ +// Copyright: (c) wxWidgets team +// Licence: wxWindows licence +///////////////////////////////////////////////////////////////////////////// + +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifdef __BORLANDC__ + #pragma hdrstop +#endif + +#include "wx/overlay.h" + +#ifndef WX_PRECOMP + #include "wx/dcclient.h" +#endif + +#include "wx/dcgraph.h" + +#include "wx/private/overlay.h" + +#ifdef wxHAS_NATIVE_OVERLAY + +// ============================================================================ +// implementation +// ============================================================================ + +wxOverlayImpl::wxOverlayImpl() +{ + m_window = NULL ; + m_overlayContext = NULL ; + m_overlayWindow = NULL ; +} + +wxOverlayImpl::~wxOverlayImpl() +{ + Reset(); +} + +bool wxOverlayImpl::IsOk() +{ + return m_overlayWindow != NULL ; +} + +void wxOverlayImpl::CreateOverlayWindow() +{ + if ( m_window ) + { + m_overlayParentWindow = m_window->MacGetTopLevelWindowRef(); + [m_overlayParentWindow makeKeyAndOrderFront:nil]; + + NSView* view = m_window->GetHandle(); + + NSPoint viewOriginBase, viewOriginScreen; + viewOriginBase = [view convertPoint:NSMakePoint(0, 0) toView:nil]; + viewOriginScreen = [m_overlayParentWindow convertBaseToScreen:viewOriginBase]; + + NSSize viewSize = [view frame].size; + if ( [view isFlipped] ) + viewOriginScreen.y -= viewSize.height; + + m_overlayWindow=[[NSWindow alloc] initWithContentRect:NSMakeRect(viewOriginScreen.x,viewOriginScreen.y, + viewSize.width, + viewSize.height) + styleMask:NSBorderlessWindowMask + backing:NSBackingStoreBuffered + defer:YES]; + + [m_overlayParentWindow addChildWindow:m_overlayWindow ordered:NSWindowAbove]; + } + else + { + m_overlayParentWindow = NULL ; + CGRect cgbounds ; + cgbounds = CGDisplayBounds(CGMainDisplayID()); + + m_overlayWindow=[[NSWindow alloc] initWithContentRect:NSMakeRect(cgbounds.origin.x,cgbounds.origin.y, + cgbounds.size.width, + cgbounds.size.height) + styleMask:NSBorderlessWindowMask + backing:NSBackingStoreBuffered + defer:YES]; + } + [m_overlayWindow setOpaque:NO]; + [m_overlayWindow setHasShadow:YES]; + [m_overlayWindow setIgnoresMouseEvents:YES]; + [m_overlayWindow setAlphaValue:0.5]; + + [m_overlayWindow orderFront:nil]; +} + +void wxOverlayImpl::Init( wxDC* dc, int x , int y , int width , int height ) +{ + wxASSERT_MSG( !IsOk() , _("You cannot Init an overlay twice") ); + + m_window = dc->GetWindow(); + m_x = x ; + m_y = y ; + if ( dc->IsKindOf( CLASSINFO( wxClientDC ) )) + { + wxPoint origin = m_window->GetClientAreaOrigin(); + m_x += origin.x; + m_y += origin.y; + } + m_width = width ; + m_height = height ; + + CreateOverlayWindow(); + wxASSERT_MSG( m_overlayWindow != NULL , _("Couldn't create the overlay window") ); + m_overlayContext = (CGContextRef) [[m_overlayWindow graphicsContext] graphicsPort]; + wxASSERT_MSG( m_overlayContext != NULL , _("Couldn't init the context on the overlay window") ); + + int ySize = 0; + if ( m_window ) + { + NSView* view = m_window->GetHandle(); + NSSize viewSize = [view frame].size; + ySize = viewSize.height; + } + else + { + CGRect cgbounds ; + cgbounds = CGDisplayBounds(CGMainDisplayID()); + ySize = cgbounds.size.height; + + + + } + CGContextTranslateCTM( m_overlayContext, 0, ySize ); + CGContextScaleCTM( m_overlayContext, 1, -1 ); + CGContextTranslateCTM( m_overlayContext, -m_x , -m_y ); +} + +void wxOverlayImpl::BeginDrawing( wxDC* dc) +{ + wxDCImpl *impl = dc->GetImpl(); + wxGCDCImpl *win_impl = wxDynamicCast(impl,wxGCDCImpl); + if (win_impl) + { + win_impl->SetGraphicsContext( wxGraphicsContext::CreateFromNative( m_overlayContext ) ); + dc->SetClippingRegion( m_x , m_y , m_width , m_height ) ; + } +} + +void wxOverlayImpl::EndDrawing( wxDC* dc) +{ + wxDCImpl *impl = dc->GetImpl(); + wxGCDCImpl *win_impl = wxDynamicCast(impl,wxGCDCImpl); + if (win_impl) + win_impl->SetGraphicsContext(NULL); + + CGContextFlush( m_overlayContext ); +} + +void wxOverlayImpl::Clear(wxDC* WXUNUSED(dc)) +{ + wxASSERT_MSG( IsOk() , _("You cannot Clear an overlay that is not inited") ); + CGRect box = CGRectMake( m_x - 1, m_y - 1 , m_width + 2 , m_height + 2 ); + CGContextClearRect( m_overlayContext, box ); +} + +void wxOverlayImpl::Reset() +{ + if ( m_overlayContext ) + { + m_overlayContext = NULL ; + } + + // todo : don't dispose, only hide and reposition on next run + if (m_overlayWindow) + { + [m_overlayParentWindow removeChildWindow:m_overlayWindow]; + [m_overlayWindow release]; + m_overlayWindow = NULL ; + } +} + +#endif // wxHAS_NATIVE_OVERLAY -- 2.45.2