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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef _FWL_WIDGET_H
#define _FWL_WIDGET_H
class IFWL_Target;
class IFWL_ThemeProvider;
class CFWL_WidgetImpProperties;
class IFWL_DataProvider;
class IFWL_Widget;
class IFWL_WidgetDelegate;
class IFWL_Custom;
class IFWL_Proxy;
class IFWL_Form;
class IFWL_DataProvider {
public:
virtual ~IFWL_DataProvider() {}
virtual FWL_ERR GetCaption(IFWL_Widget* pWidget,
CFX_WideString& wsCaption) = 0;
};
class IFWL_Widget : public IFWL_Target {
public:
FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
FWL_ERR GetGlobalRect(CFX_RectF& rect);
FWL_ERR SetWidgetRect(const CFX_RectF& rect);
FWL_ERR GetClientRect(CFX_RectF& rect);
IFWL_Widget* GetParent();
FWL_ERR SetParent(IFWL_Widget* pParent);
IFWL_Widget* GetOwner();
FWL_ERR SetOwner(IFWL_Widget* pOwner);
IFWL_Widget* GetOuter();
FX_DWORD GetStyles();
FWL_ERR ModifyStyles(FX_DWORD dwStylesAdded, FX_DWORD dwStylesRemoved);
FX_DWORD GetStylesEx();
FWL_ERR ModifyStylesEx(FX_DWORD dwStylesExAdded, FX_DWORD dwStylesExRemoved);
FX_DWORD GetStates();
FWL_ERR SetStates(FX_DWORD dwStates, FX_BOOL bSet = TRUE);
FWL_ERR SetPrivateData(void* module_id,
void* pData,
PD_CALLBACK_FREEDATA callback);
void* GetPrivateData(void* module_id);
FWL_ERR Update();
FWL_ERR LockUpdate();
FWL_ERR UnlockUpdate();
FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy);
FWL_ERR TransformTo(IFWL_Widget* pWidget, FX_FLOAT& fx, FX_FLOAT& fy);
FWL_ERR TransformTo(IFWL_Widget* pWidget, CFX_RectF& rt);
FWL_ERR GetMatrix(CFX_Matrix& matrix, FX_BOOL bGlobal = FALSE);
FWL_ERR SetMatrix(const CFX_Matrix& matrix);
FWL_ERR DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix = NULL);
IFWL_ThemeProvider* GetThemeProvider();
FWL_ERR SetThemeProvider(IFWL_ThemeProvider* pThemeProvider);
FWL_ERR SetDataProvider(IFWL_DataProvider* pDataProvider);
IFWL_WidgetDelegate* SetDelegate(IFWL_WidgetDelegate* pDelegate);
IFWL_NoteThread* GetOwnerThread() const;
CFX_SizeF GetOffsetFromParent(IFWL_Widget* pParent);
};
class IFWL_WidgetDelegate {
public:
virtual ~IFWL_WidgetDelegate() {}
virtual int32_t OnProcessMessage(CFWL_Message* pMessage) = 0;
virtual FWL_ERR OnProcessEvent(CFWL_Event* pEvent) = 0;
virtual FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix = NULL) = 0;
};
class CFWL_WidgetImpProperties {
public:
CFWL_WidgetImpProperties() {
m_ctmOnParent.SetIdentity();
m_rtWidget.Set(0, 0, 0, 0);
m_dwStyles = FWL_WGTSTYLE_Child;
m_dwStyleExes = 0;
m_dwStates = 0;
m_pThemeProvider = NULL;
m_pDataProvider = NULL;
m_pParent = NULL;
m_pOwner = NULL;
}
CFX_Matrix m_ctmOnParent;
CFX_RectF m_rtWidget;
FX_DWORD m_dwStyles;
FX_DWORD m_dwStyleExes;
FX_DWORD m_dwStates;
IFWL_ThemeProvider* m_pThemeProvider;
IFWL_DataProvider* m_pDataProvider;
IFWL_Widget* m_pParent;
IFWL_Widget* m_pOwner;
};
class IFWL_Custom : public IFWL_Widget {
public:
static IFWL_Custom* Create(const CFWL_WidgetImpProperties& properties,
IFWL_Widget* pOuter);
FWL_ERR SetProxy(IFWL_Proxy* pProxy);
protected:
IFWL_Custom();
};
class IFWL_Proxy {
public:
virtual ~IFWL_Proxy() {}
virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) = 0;
virtual FWL_ERR Update() = 0;
};
#define FWL_ACCEL_Control (1L << 0)
#define FWL_ACCEL_Alt (1L << 1)
#define FWL_ACCEL_Shift (1L << 2)
#define FWL_ACCEL_VirtKey (1L << 3)
typedef struct _FWL_ACCEL {
FX_DWORD dwKey;
FX_DWORD dwCmd;
} FWL_ACCEL;
typedef CFX_MapPtrTemplate<FX_DWORD, FX_DWORD> CFX_MapAccelerators;
FWL_ERR FWL_Accelerator_SetApp(CFX_MapAccelerators* pMapAccel);
FWL_ERR FWL_Accelerator_SetThread(CFX_MapAccelerators* pMapAccel);
FWL_ERR FWL_Accelerator_SetForm(IFWL_Form* pFrom,
CFX_MapAccelerators* pMapAccel);
FWL_ERR FWL_EnabelWidget(IFWL_Widget* widget, FX_BOOL bEnable);
#endif
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