125 lines
3.5 KiB
C++
125 lines
3.5 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file windowHandle.h
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* @author drose
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* @date 2009-09-30
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*/
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#ifndef WINDOWHANDLE_H
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#define WINDOWHANDLE_H
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#include "pandabase.h"
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#include "typedReferenceCount.h"
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#include "pointerTo.h"
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/**
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* This object represents a window on the desktop, not necessarily a Panda
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* window. This structure can be assigned to a WindowProperties to indicate a
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* parent window.
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*
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* It also has callbacks so the Panda window can communicate with its parent
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* window, which is particularly important when running embedded in a browser.
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*
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* To create a WindowHandle, you would usually call one of the
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* NativeWindowHandle::make_*() methods, depending on the kind of native
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* window handle object you already have.
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*/
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class EXPCL_PANDA_DISPLAY WindowHandle : public TypedReferenceCount {
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PUBLISHED:
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class OSHandle;
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INLINE WindowHandle(OSHandle *os_handle);
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INLINE WindowHandle(const WindowHandle ©);
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virtual ~WindowHandle();
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INLINE OSHandle *get_os_handle() const;
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INLINE void set_os_handle(OSHandle *os_handle);
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MAKE_PROPERTY(os_handle, get_os_handle, set_os_handle);
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void send_windows_message(unsigned int msg, int wparam, int lparam);
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size_t get_int_handle() const;
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void output(std::ostream &out) const;
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public:
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// Callbacks for communication with the parent window.
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virtual void attach_child(WindowHandle *child);
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virtual void detach_child(WindowHandle *child);
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virtual void request_keyboard_focus(WindowHandle *child);
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virtual void receive_windows_message(unsigned int msg, int wparam, int lparam);
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PUBLISHED:
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// This internal pointer within WindowHandle stores the actual OS-specific
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// window handle type, whatever type that is. It is subclassed for each OS.
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class EXPCL_PANDA_DISPLAY OSHandle : public TypedReferenceCount {
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protected:
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INLINE OSHandle();
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PUBLISHED:
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virtual ~OSHandle();
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virtual size_t get_int_handle() const;
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virtual void output(std::ostream &out) const;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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TypedReferenceCount::init_type();
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register_type(_type_handle, "WindowHandle::OSHandle",
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TypedReferenceCount::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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protected:
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PT(OSHandle) _os_handle;
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PT(WindowHandle) _keyboard_window;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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TypedReferenceCount::init_type();
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register_type(_type_handle, "WindowHandle",
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TypedReferenceCount::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "windowHandle.I"
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INLINE std::ostream &operator << (std::ostream &out, const WindowHandle &handle) {
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handle.output(out);
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return out;
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}
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INLINE std::ostream &operator << (std::ostream &out, const WindowHandle::OSHandle &handle) {
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handle.output(out);
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return out;
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}
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#endif
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