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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.io/license.html
*/
/**
* @file src/gwin/gwin_tabset.h
* @brief GWIN Graphic window subsystem header file.
*
* @defgroup Tabset Tabset
* @ingroup Containers
*
* @brief Tabwidget to implement different "Tabs" or "Pages". Used to structure menus.
*
* @details A tabset is a set of tabs that control visibility of a number of pages of widgets.
* Note: Although the tabset is implemented as a container - you don't put your controls
* directly on the tabset. Instead you create a page and put your widgets on the page.
*
* @pre GFX_USE_GWIN must be set to GFXON in your gfxconf.h
* @pre GWIN_NEED_TABSET must be set to GFXON in your gfxconf.h
* @{
*/
#ifndef _GWIN_TABSET_H
#define _GWIN_TABSET_H
/* This file is included from src/gwin/gwin_container.h */
/**
* @brief The Event Type for a Tabset Event
*/
#define GEVENT_GWIN_TABSET (GEVENT_GWIN_CTRL_FIRST+5)
/**
* @brief A Tabset Event
* @note There are currently no GEventGWinTabset listening flags - use 0 as the flags to @p gwinAttachListener()
*/
typedef struct GEventGWinTabset {
GEventType type; // The type of this event (GEVENT_GWIN_TABSET)
GHandle gwin; // The tabset window handle
#if GWIN_NEED_WIDGET && GWIN_WIDGET_TAGS
WidgetTag tag; // The tag of the tabset
#endif
// Above are the generic widget event elements, below the tabset specific elements
GHandle ghPage; // The tabpage window handle that has been selected
int nPage; // The page number (0 to n-1) that has been selected
} GEventGWinTabset;
/**
* @brief Flags for gwinTabsetCreate()
* @{
*/
#define GWIN_TABSET_BORDER 0x00000001 // Should the tab pages have a border?
/** @} */
typedef struct GTabsetObject {
GContainerObject c;
gCoord border_top;
} GTabsetObject;
/**
* @brief Create a tabset widget
*
* @details This widget provides a set of tabs.
*
* @param[in] g The GDisplay to display this window on
* @param[in] fo The GTabsetObject 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_TABSET_BORDER
*
* @return NULL if there is no resulting widget. A valid GHandle otherwise.
*
* @api
*/
GHandle gwinGTabsetCreate(GDisplay *g, GTabsetObject *fo, GWidgetInit *pInit, uint32_t flags);
#define gwinTabsetCreate(fo, pInit, flags) gwinGTabsetCreate(GDISP, fo, pInit, flags);
/**
* @brief Add a tab-page to the tabset
* @returns The GHandle of the tab-page container.
*
* @param[in] gh The tabset handle
* @param[in] title The text to set. This must be a constant string unless useAlloc is set.
* @param[in] useAlloc If gTrue the string specified will be copied into dynamically allocated memory.
*
* @api
*/
GHandle gwinTabsetAddTab(GHandle gh, const char *title, gBool useAlloc);
/**
* @brief Delete a tab-page.
* @details Any widgets on the page will also be destroyed
*
* @param[in] gh The tab-page handle
*
* @note The index position of all tabs after this tab in the tabset are automatically renumbered.
*
* @api
*/
#define gwinTabsetDeleteTab(gh) gwinDestroy(gh)
/**
* @brief Count the number of tabs in the tabset
* @returns The number of tabs or zero if none exist.
*
* @param[in] gh The tabset handle
*
* @api
*/
int gwinTabsetCountTabs(GHandle gh);
/**
* @brief Get the GHandle of a tab based on its position
* @returns The GHandle of the tab-page container or NULL if that tab-page doesn't exist.
*
* @param[in] gh The tabset handle
* @param[in] index The tab-page handle to return (0 to number of pages - 1)
*
* @api
*/
GHandle gwinTabsetGetTabByIndex(GHandle gh, int index);
/**
* @brief Get the GHandle of a tab based on its title
* @returns The GHandle of the tab-page container or NULL if that tab-page doesn't exist.
*
* @param[in] gh The tabset handle
* @param[in] title The title to search for
*
* @api
*/
GHandle gwinTabsetGetTabByTitle(GHandle gh, const char *title);
/**
* @brief Set the title of a tab-page.
*
* @param[in] gh The tab-page handle (NB: Use the page handle NOT the tabset handle)
* @param[in] title The text to set. This must be a constant string unless useAlloc is set.
* @param[in] useAlloc If gTrue the string specified will be copied into dynamically allocated memory.
*
* @note This function should be used to change the text associated with a tab-page
* rather than @p gwinSetText().
*
* @api
*/
void gwinTabsetSetTitle(GHandle gh, const char *title, gBool useAlloc);
/**
* @brief Get the title of a tab-page.
* @return The title of the tab.
*
* @param[in] gh The tab-page handle (NB: Use the page handle NOT the tabset handle)
*
* @api
*/
#define gwinTabsetGetTitle(gh) gwinGetText(gh)
/**
* @brief Set the active tab in a tabset.
*
* @param[in] gh The tab-page handle (NB: Use the page handle NOT the tabset handle)
*
* @api
*/
void gwinTabsetSetTab(GHandle gh);
/**
* @defgroup Renderings_Tabset Renderings
*
* @brief Built-in rendering functions for the tabset widget.
*
* @details These function may be passed to @p gwinSetCustomDraw() to get different tabset drawing styles.
*
* @note In your custom tabset 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 tabset widget.
*
* @details Fills the client area with the background color.
*
* @param[in] gw The widget object (must be a container object).
* @param[in] param A parameter passed in from the user. Ignored by this function.
*
* @api
*/
void gwinTabsetDraw_Std(GWidgetObject *gw, void *param);
/**
* @brief Renders the tabset but leaves the client area transparent.
*
* @details Will not fill the client area at all.
*
* @param[in] gw The widget object (must be a container object).
* @param[in] param A parameter passed in from the user. Ignored by this function.
*
* @api
*/
void gwinTabsetDraw_Transparent(GWidgetObject *gw, void *param);
#if GDISP_NEED_IMAGE || defined(__DOXYGEN__)
/**
* @brief Renders the tabset 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 tabset widget (inner size).
*
* @param[in] gw The widget object (must be a tabset 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 gwinTabsetDraw_Image(GWidgetObject *gw, void *param);
#endif /* GDISP_NEED_IMAGE */
/** @} */
#endif /* _GWIN_TABSET_H */
/** @} */
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