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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
/**
* @file src/gwin/gwin_frame.h
* @brief GWIN Graphic window subsystem header file.
*
* @defgroup Frame Frame
* @ingroup Containers
*
* @brief Container with window decoration.
*
* @details A frame is a rectangular window that can have optional border as well as buttons to
* close, maximize and minimize it. The main purpose of this widget is to contain children.
*
* @pre GFX_USE_GWIN must be set to GFXON in your gfxconf.h
* @pre GWIN_NEED_FRAME must be set to GFXON in your gfxconf.h
* @{
*/
#ifndef _GWIN_FRAME_H
#define _GWIN_FRAME_H
/* This file is included from src/gwin/gwin_container.h */
/**
* @brief Flags for gwinFrameCreate()
* @{
*/
#define GWIN_FRAME_BORDER 0x00000000 /**< Deprecated. A border is always shown with a frame window now. */
#define GWIN_FRAME_CLOSE_BTN 0x00000001 /**< Should a close button be shown? */
#define GWIN_FRAME_MINMAX_BTN 0x00000002 /**< Should minimize and maximize buttons be shown? */
#define GWIN_FRAME_KEEPONCLOSE 0x00000004 /**< Don't automatically destroy the frame on close */
/** @} */
/**
* @brief The internal frame flags
* @note Used only for writing a custom draw routine.
* @{
*/
#define GWIN_FRAME_CLOSE_PRESSED 0x00000008
#define GWIN_FRAME_MIN_PRESSED 0x00000010
#define GWIN_FRAME_MAX_PRESSED 0x00000020
#define GWIN_FRAME_REDRAW_FRAME 0x00000040 // Only redraw the frame
/** @} */
typedef GContainerObject GFrameObject;
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Create a frame widget
*
* @details This widget provides a window like we know it from desktop systems.
*
* @param[in] g The GDisplay to display this window on
* @param[in] fo The GFrameObject structure to initialize. If this is NULL the structure is dynamically allocated.
* @param[in] pInit The initialization parameters
* @param[in] flags Some flags, see notes.
*
* @note Possible flags are: GWIN_FRAME_CLOSE_BTN, GWIN_FRAME_MINMAX_BTN.
* @note These frame buttons are processed internally. The close button will invoke a gwinDestroy() which will
* destroy the window itself and EVERY child it contains (also children of children).
*
* @return NULL if there is no resulting widget. A valid GHandle otherwise.
*
* @api
*/
GHandle gwinGFrameCreate(GDisplay *g, GFrameObject *fo, GWidgetInit *pInit, uint32_t flags);
#define gwinFrameCreate(fo, pInit, flags) gwinGFrameCreate(GDISP, fo, pInit, flags);
/**
* @defgroup Renderings_Frame Renderings
*
* @brief Built-in rendering functions for the frame widget.
*
* @details These function may be passed to @p gwinSetCustomDraw() to get different frame drawing styles.
*
* @note In your custom frame drawing function you may optionally call these
* standard functions and then draw your extra details on top.
* @note These custom drawing routines don't have to worry about setting clipping as the framework
* sets clipping to the object window prior to calling these routines.
*
* @{
*/
/**
* @brief The default rendering function for the frame widget.
*
* @details Fills the client area with the background color.
*
* @param[in] gw The widget object (must be a frame widget).
* @param[in] param A parameter passed in from the user. Ignored by this function.
*
* @api
*/
void gwinFrameDraw_Std(GWidgetObject *gw, void *param);
/**
* @brief Renders the frame widget with a transparent client area.
*
* @details Will not fill the client area at all.
*
* @param[in] gw The widget object (must be a frame object).
* @param[in] param A parameter passed in from the user. Ignored by this function.
*
* @note The image custom draw function @p gwinFrameDraw_Image() uses param to pass in the gdispImage pointer.
* The image must be already opened before calling @p gwinSetCustomDraw().
*
* @api
*/
void gwinFrameDraw_Transparent(GWidgetObject *gw, void *param);
#if GDISP_NEED_IMAGE || defined(__DOXYGEN__)
/**
* @brief Renders the frame widget and uses the specified image for the client area.
*
* @details The image will be tiled throghout the client area. Therefore, to archive the best looking result the
* supplied image needs to be of the same size as the client area size of the frame widget (inner size).
*
* @param[in] gw The widget object (must be a frame object).
* @param[in] param A parameter passed in from the user. Must be an image handle. See note below.
*
* @note The image must be already opened before calling @p gwinSetCustomDraw(). The handle is passed as the parameter
* to this function.
*
* @pre GDISP_NEED_IMAGE must be set to GFXON
*
* @api
*/
void gwinFrameDraw_Image(GWidgetObject *gw, void *param);
#endif /* GDISP_NEED_IMAGE */
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* _GWIN_FRAME_H */
/** @} */
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