cefpython/src/include/views/cef_view.h at cefpython56 · pythonthings/cefpython · GitHub

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// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

// * Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

// * Redistributions in binary form must reproduce the above

// copyright notice, this list of conditions and the following disclaimer

// in the documentation and/or other materials provided with the

// distribution.

// * Neither the name of Google Inc. nor the name Chromium Embedded

// Framework nor the names of its contributors may be used to endorse

// or promote products derived from this software without specific prior

// written permission.

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// ---------------------------------------------------------------------------

// The contents of this file must follow a specific format in order to

// support the CEF translator tool. See the translator.README.txt file in the

// tools directory for more information.

#ifndef CEF_INCLUDE_VIEWS_CEF_VIEW_H_

#define CEF_INCLUDE_VIEWS_CEF_VIEW_H_

#pragma once

#include "include/views/cef_view_delegate.h"

class CefBrowserView;

class CefButton;

class CefPanel;

class CefScrollView;

class CefTextfield;

class CefWindow;

///

// A View is a rectangle within the views View hierarchy. It is the base class

// for all Views. All size and position values are in density independent pixels

// (DIP) unless otherwise indicated. Methods must be called on the browser

// process UI thread unless otherwise indicated.

///

/*--cef(source=library)--*/

class CefView : public CefBase {

public:

///

// Returns this View as a BrowserView or NULL if this is not a BrowserView.

///

/*--cef()--*/

virtual CefRefPtr<CefBrowserView> AsBrowserView() =0;

///

// Returns this View as a Button or NULL if this is not a Button.

///

/*--cef()--*/

virtual CefRefPtr<CefButton> AsButton() =0;

///

// Returns this View as a Panel or NULL if this is not a Panel.

///

/*--cef()--*/

virtual CefRefPtr<CefPanel> AsPanel() =0;

///

// Returns this View as a ScrollView or NULL if this is not a ScrollView.

///

/*--cef()--*/

virtual CefRefPtr<CefScrollView> AsScrollView() =0;

///

// Returns this View as a Textfield or NULL if this is not a Textfield.

///

/*--cef()--*/

virtual CefRefPtr<CefTextfield> AsTextfield() =0;

///

// Returns the type of this View as a string. Used primarily for testing

// purposes.

///

/*--cef()--*/

virtual CefString GetTypeString() =0;

///

// Returns a string representation of this View which includes the type and

// various type-specific identifying attributes. If |include_children| is true

// any child Views will also be included. Used primarily for testing purposes.

///

/*--cef()--*/

virtual CefString ToString(bool include_children) =0;

///

// Returns true if this View is valid.

///

/*--cef()--*/

virtual bool IsValid() =0;

///

// Returns true if this View is currently attached to another View. A View can

// only be attached to one View at a time.

///

/*--cef()--*/

virtual bool IsAttached() =0;

///

// Returns true if this View is the same as |that| View.

///

/*--cef()--*/

virtual bool IsSame(CefRefPtr<CefView> that) =0;

///

// Returns the delegate associated with this View, if any.

///

/*--cef()--*/

virtual CefRefPtr<CefViewDelegate> GetDelegate() =0;

///

// Returns the top-level Window hosting this View, if any.

///

/*--cef()--*/

virtual CefRefPtr<CefWindow> GetWindow() =0;

///

// Returns the ID for this View.

///

/*--cef()--*/

virtual int GetID() =0;

///

// Sets the ID for this View. ID should be unique within the subtree that you

// intend to search for it. 0 is the default ID for views.

///

/*--cef()--*/

virtual void SetID(int id) =0;

///

// Returns the View that contains this View, if any.

///

/*--cef()--*/

virtual CefRefPtr<CefView> GetParentView() =0;

///

// Recursively descends the view tree starting at this View, and returns the

// first child that it encounters with the given ID. Returns NULL if no

// matching child view is found.

///

/*--cef()--*/

virtual CefRefPtr<CefView> GetViewForID(int id) =0;

///

// Sets the bounds (size and position) of this View. Position is in parent

// coordinates.

///

/*--cef()--*/

virtual void SetBounds(const CefRect& bounds) =0;

///

// Returns the bounds (size and position) of this View. Position is in parent

// coordinates.

///

/*--cef()--*/

virtual CefRect GetBounds() =0;

///

// Returns the bounds (size and position) of this View. Position is in screen

// coordinates.

///

/*--cef()--*/

virtual CefRect GetBoundsInScreen() =0;

///

// Sets the size of this View without changing the position.

///

/*--cef()--*/

virtual void SetSize(const CefSize& size) =0;

///

// Returns the size of this View.

///

/*--cef()--*/

virtual CefSize GetSize() =0;

///

// Sets the position of this View without changing the size. |position| is in

// parent coordinates.

///

/*--cef()--*/

virtual void SetPosition(const CefPoint& position) =0;

///

// Returns the position of this View. Position is in parent coordinates.

///

/*--cef()--*/

virtual CefPoint GetPosition() =0;

///

// Returns the size this View would like to be if enough space is available.

///

/*--cef()--*/

virtual CefSize GetPreferredSize() =0;

///

// Size this View to its preferred size.

///

/*--cef()--*/

virtual void SizeToPreferredSize() =0;

///

// Returns the minimum size for this View.

///

/*--cef()--*/

virtual CefSize GetMinimumSize() =0;

///

// Returns the maximum size for this View.

///

/*--cef()--*/

virtual CefSize GetMaximumSize() =0;

///

// Returns the height necessary to display this View with the provided width.

///

/*--cef()--*/

virtual int GetHeightForWidth(int width) =0;

///

// Indicate that this View and all parent Views require a re-layout. This

// ensures the next call to Layout() will propagate to this View even if the

// bounds of parent Views do not change.

///

/*--cef()--*/

virtual void InvalidateLayout() =0;

///

// Sets whether this View is visible. Windows are hidden by default and other

// views are visible by default. This View and any parent views must be set as

// visible for this View to be drawn in a Window. If this View is set as

// hidden then it and any child views will not be drawn and, if any of those

// views currently have focus, then focus will also be cleared. Painting is

// scheduled as needed. If this View is a Window then calling this method is

// equivalent to calling the Window Show() and Hide() methods.

///

/*--cef()--*/

virtual void SetVisible(bool visible) =0;

///

// Returns whether this View is visible. A view may be visible but still not

// drawn in a Window if any parent views are hidden. If this View is a Window

// then a return value of true indicates that this Window is currently visible

// to the user on-screen. If this View is not a Window then call IsDrawn() to

// determine whether this View and all parent views are visible and will be

// drawn.

///

/*--cef()--*/

virtual bool IsVisible() =0;

///

// Returns whether this View is visible and drawn in a Window. A view is drawn

// if it and all parent views are visible. If this View is a Window then

// calling this method is equivalent to calling IsVisible(). Otherwise, to

// determine if the containing Window is visible to the user on-screen call

// IsVisible() on the Window.

///

/*--cef()--*/

virtual bool IsDrawn() =0;

///

// Set whether this View is enabled. A disabled View does not receive keyboard

// or mouse inputs. If |enabled| differs from the current value the View will

// be repainted. Also, clears focus if the focused View is disabled.

///

/*--cef()--*/

virtual void SetEnabled(bool enabled) =0;

///

// Returns whether this View is enabled.

///

/*--cef()--*/

virtual bool IsEnabled() =0;

///

// Sets whether this View is capable of taking focus. It will clear focus if

// the focused View is set to be non-focusable. This is false by default so

// that a View used as a container does not get the focus.

///

/*--cef()--*/

virtual void SetFocusable(bool focusable) =0;

///

// Returns true if this View is focusable, enabled and drawn.

///

/*--cef()--*/

virtual bool IsFocusable() =0;

///

// Return whether this View is focusable when the user requires full keyboard

// access, even though it may not be normally focusable.

///

/*--cef()--*/

virtual bool IsAccessibilityFocusable() =0;

///

// Request keyboard focus. If this View is focusable it will become the

// focused View.

///

/*--cef()--*/

virtual void RequestFocus() =0;

///

// Sets the background color for this View.

///

/*--cef()--*/

virtual void SetBackgroundColor(cef_color_t color) =0;

///

// Returns the background color for this View.

///

/*--cef()--*/

virtual cef_color_t GetBackgroundColor() =0;

///

// Convert |point| from this View's coordinate system to that of the screen.

// This View must belong to a Window when calling this method. Returns true

// if the conversion is successful or false otherwise. Use

// CefDisplay::ConvertPointToPixels() after calling this method if further

// conversion to display-specific pixel coordinates is desired.

///

/*--cef()--*/

virtual bool ConvertPointToScreen(CefPoint& point) =0;

///

// Convert |point| to this View's coordinate system from that of the screen.

// This View must belong to a Window when calling this method. Returns true if

// the conversion is successful or false otherwise. Use

// CefDisplay::ConvertPointFromPixels() before calling this method if

// conversion from display-specific pixel coordinates is necessary.

///

/*--cef()--*/

virtual bool ConvertPointFromScreen(CefPoint& point) =0;

///

// Convert |point| from this View's coordinate system to that of the Window.

// This View must belong to a Window when calling this method. Returns true if

// the conversion is successful or false otherwise.

///

/*--cef()--*/

virtual bool ConvertPointToWindow(CefPoint& point) =0;

///

// Convert |point| to this View's coordinate system from that of the Window.

// This View must belong to a Window when calling this method. Returns true if

// the conversion is successful or false otherwise.

///

/*--cef()--*/

virtual bool ConvertPointFromWindow(CefPoint& point) =0;

///

// Convert |point| from this View's coordinate system to that of |view|.

// |view| needs to be in the same Window but not necessarily the same view

// hierarchy. Returns true if the conversion is successful or false otherwise.

///

/*--cef()--*/

virtual bool ConvertPointToView(CefRefPtr<CefView> view,

CefPoint& point) =0;

///

// needs to be in the same Window but not necessarily the same view hierarchy.

// Returns true if the conversion is successful or false otherwise.

///

/*--cef()--*/

virtual bool ConvertPointFromView(CefRefPtr<CefView> view,

CefPoint& point) =0;

};

#endif // CEF_INCLUDE_VIEWS_CEF_VIEW_H_

cefpython/src/include/views/cef_view.h at cefpython56 · pythonthings/cefpython · GitHub

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