2013-06-06 04:33:32 +00:00
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/*
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* This file is subject to the terms of the GFX License, v1.0. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://chibios-gfx.com/license.html
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*/
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/**
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* @file include/gwin/class_gwin.h
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* @brief GWIN Graphic window subsystem header file.
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*
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* @defgroup Internal Internal
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* @ingroup GWIN
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*
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* @note These definitions are normally not used by an application program. They are useful
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* only if you want to create your own custom GWIN window or widget.
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* @note To access these definitions you must include "gwin/class_gwin.h" in your source file.
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*
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* @{
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*/
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#ifndef _CLASS_GWIN_H
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#define _CLASS_GWIN_H
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#if GFX_USE_GWIN || defined(__DOXYGEN__)
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/**
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2013-06-07 16:27:59 +00:00
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* @brief The predefined flags for a Window
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2013-06-06 04:33:32 +00:00
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* @{
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*/
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2013-06-07 16:27:59 +00:00
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#define GWIN_FLG_DYNAMIC 0x0001 // @< The GWIN structure is allocated
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#define GWIN_FLG_VISIBLE 0x0002 // @< The window is visible
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#define GWIN_FLG_MINIMIZED 0x0004 // @< The window is minimized
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#define GWIN_FLG_MAXIMIZED 0x0008 // @< The window is maximized
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#define GWIN_FLG_WIDGET 0x0010 // @< This is a widget
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#define GWIN_FLG_ENABLED 0x0020 // @< The widget is enabled
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#define GWIN_FLG_ALLOCTXT 0x0040 // @< The widget text is allocated
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#define GWIN_FLG_MOUSECAPTURE 0x0080 // @< The widget has captured the mouse
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#define GWIN_FIRST_WM_FLAG 0x0100 // @< 4 bits free for the window manager to use
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#define GWIN_FIRST_CONTROL_FLAG 0x1000 // @< 4 bits free for Windows and Widgets to use
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2013-06-06 04:33:32 +00:00
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/* @} */
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/**
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2013-06-07 16:27:59 +00:00
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* @brief The Virtual Method Table for a GWIN window
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2013-06-06 04:33:32 +00:00
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* @{
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*/
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2013-06-07 16:27:59 +00:00
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typedef struct gwinVMT {
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const char * classname; // @< The GWIN classname (mandatory)
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void (*Destroy) (GWindowObject *gh); // @< The GWIN destroy function (optional)
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void (*Redraw) (GWindowObject *gh); // @< The GWIN redraw routine (optional)
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void (*AfterClear) (GWindowObject *gh); // @< The GWIN after-clear function (optional)
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} gwinVMT;
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2013-06-06 04:33:32 +00:00
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/* @} */
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2013-06-07 16:27:59 +00:00
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#if GWIN_NEED_WIDGET || defined(__DOXYGEN__)
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2013-06-10 07:18:01 +00:00
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/**
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* @brief An toggle/dial instance is not being used
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*/
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#define GWIDGET_NO_INSTANCE ((uint16_t)-1)
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/**
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* @brief The source handle that widgets use when sending events
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*/
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#define GWIDGET_SOURCE ((GSourceHandle)(void *)_gwidgetCreate)
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2013-06-07 16:27:59 +00:00
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/**
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* @brief The Virtual Method Table for a widget
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* @note A widget must have a destroy function. Either use @p _gwidgetDestroy() or use your own function
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* which internally calls @p _gwidgetDestroy().
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* @note A widget must have a redraw function. Use @p _gwidgetRedraw().
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2013-06-10 07:18:01 +00:00
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* @note If toggleroles != 0, ToggleAssign(), ToggleGet() and one or both of ToggleOff() and ToggleOn() must be specified.
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* @note If dialroles != 0, DialAssign(), DialGet() and DialMove() must be specified.
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2013-06-07 16:27:59 +00:00
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* @{
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*/
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typedef struct gwidgetVMT {
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struct gwinVMT g; // @< This is still a GWIN
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void (*DefaultDraw) (GWidgetObject *gw, void *param); // @< The default drawing routine (mandatory)
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struct {
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void (*MouseDown) (GWidgetObject *gw, coord_t x, coord_t y); // @< Process mouse down events (optional)
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void (*MouseUp) (GWidgetObject *gw, coord_t x, coord_t y); // @< Process mouse up events (optional)
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void (*MouseMove) (GWidgetObject *gw, coord_t x, coord_t y); // @< Process mouse move events (optional)
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};
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struct {
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uint16_t toggleroles; // @< The roles supported for toggles (0->toggleroles-1)
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void (*ToggleAssign) (GWidgetObject *gw, uint16_t role, uint16_t instance); // @< Assign a toggle to a role (optional)
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uint16_t (*ToggleGet) (GWidgetObject *gw, uint16_t role); // @< Return the instance for a particular role (optional)
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void (*ToggleOff) (GWidgetObject *gw, uint16_t role); // @< Process toggle off events (optional)
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void (*ToggleOn) (GWidgetObject *gw, uint16_t role); // @< Process toggle on events (optional)
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};
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struct {
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uint16_t dialroles; // @< The roles supported for dials (0->dialroles-1)
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void (*DialAssign) (GWidgetObject *gw, uint16_t role, uint16_t instance); // @< Test the role and save the dial instance handle (optional)
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uint16_t (*DialGet) (GWidgetObject *gw, uint16_t role); // @< Return the instance for a particular role (optional)
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void (*DialMove) (GWidgetObject *gw, uint16_t role, uint16_t value, uint16_t max); // @< Process dial move events (optional)
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};
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} gwidgetVMT;
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/* @} */
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#endif
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#if GWIN_NEED_WINDOWMANAGER || defined(__DOXYGEN__)
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2013-06-10 07:18:01 +00:00
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#if 1 // When we know that wmq is the first element of the GWindowObject structure
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#define QItem2GWindow(qi) ((GHandle)qi)
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#else
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#define QItem2GWindow(qi) ((GHandle)(((char *)(qi)) - (size_t)(&(((GWindowObject *)0)->wmq))))
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#endif
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2013-06-07 16:27:59 +00:00
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// @note There is only ever one instance of each GWindowManager type
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typedef struct GWindowManager {
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const struct gwmVMT *vmt;
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} GWindowManager;
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/**
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* @brief The Virtual Method Table for a window manager
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* @{
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*/
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typedef struct gwmVMT {
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void (*Init) (void); // @< The window manager has just been set as the current window manager
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void (*DeInit) (void); // @< The window manager has just been removed as the current window manager
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bool_t (*Add) (GHandle gh, coord_t x, coord_t y, coord_t w, coord_t h); // @< A window has been added
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void (*Delete) (GHandle gh); // @< A window has been deleted
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void (*Visible) (GHandle gh); // @< A window has changed its visibility state
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void (*Redim) (GHandle gh, coord_t x, coord_t y, coord_t w, coord_t h); // @< A window wants to be moved or resized
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void (*Raise) (GHandle gh); // @< A window wants to be on top
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void (*MinMax) (GHandle gh, GWindowMinMax minmax); // @< A window wants to be minimized/maximised
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} gwmVMT;
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/* @} */
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/**
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* @brief The list of all windows in the system
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*/
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extern gfxQueueASync _GWINList;
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#endif
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2013-06-06 04:33:32 +00:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Initialise (and allocate if necessary) the base GWIN object
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*
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* @param[in] pgw The GWindowObject structure. If NULL one is allocated from the heap
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* @param[in] x, y The top left corner of the GWIN relative to the screen
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* @param[in] w, h The width and height of the GWIN window
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* @param[in] size The size of the GWIN object to allocate
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* @param[in] vmt The virtual method table for the GWIN object
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2013-06-07 16:27:59 +00:00
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* @param[in] flags The default flags to use
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2013-06-06 04:33:32 +00:00
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*
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* @notapi
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*/
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2013-06-10 07:18:01 +00:00
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GHandle _gwindowCreate(GWindowObject *pgw, coord_t x, coord_t y, coord_t w, coord_t h, size_t size, const gwinVMT *vmt, uint16_t flags);
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2013-06-06 04:33:32 +00:00
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2013-06-07 16:27:59 +00:00
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#if GWIN_NEED_WIDGET || defined(__DOXYGEN__)
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/**
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* @brief Initialise (and allocate if necessary) the base Widget object
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*
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* @param[in] pgw The GWidgetObject structure. If NULL one is allocated from the heap
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* @param[in] x, y The top left corner of the Widget relative to the screen
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* @param[in] w, h The width and height of the Widget window
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* @param[in] size The size of the Widget object to allocate
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* @param[in] vmt The virtual method table for the Widget object
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*
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* @notapi
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*/
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2013-06-10 07:18:01 +00:00
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GHandle _gwidgetCreate(GWidgetObject *pgw, coord_t x, coord_t y, coord_t w, coord_t h, size_t size, const gwidgetVMT *vmt);
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2013-06-06 04:33:32 +00:00
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2013-06-07 16:27:59 +00:00
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/**
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* @brief Destroy the Widget object
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*
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* @param[in] gh The widget to destroy
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*
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* @notapi
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*/
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void _gwidgetDestroy(GHandle gh);
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/**
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* @brief Redraw the Widget object
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*
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* @param[in] gh The widget to redraw
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*
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* @notapi
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*/
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void _gwidgetRedraw(GHandle gh);
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#endif
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2013-06-06 04:33:32 +00:00
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#ifdef __cplusplus
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}
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#endif
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#endif /* GFX_USE_GWIN */
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#endif /* _CLASS_GWIN_H */
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/** @} */
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