widget.h File Reference

#include <stdbool.h>

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Data Structures
struct	fbtk_widget_s
	Widget description. More...

Enumerations
enum	fbtk_widgettype_e {   FB_WIDGET_TYPE_ROOT = 0 , FB_WIDGET_TYPE_WINDOW , FB_WIDGET_TYPE_BITMAP , FB_WIDGET_TYPE_FILL ,   FB_WIDGET_TYPE_TEXT , FB_WIDGET_TYPE_HSCROLL , FB_WIDGET_TYPE_VSCROLL , FB_WIDGET_TYPE_USER }

Functions
fbtk_widget_t *	fbtk_widget_new (fbtk_widget_t *parent, enum fbtk_widgettype_e type, int x, int y, int width, int height)
	creates a new widget and insert it into to hierachy. More...
fbtk_widget_t *	fbtk_get_root_widget (fbtk_widget_t *widget)
	find the root widget from any widget in the toolkit hierarchy. More...
int	fbtk_set_ptr (fbtk_widget_t *widget, fbtk_callback_info *cbi)
	set pointer to bitmap in context. More...

Enumeration Type Documentation

fbtk_widgettype_e

enum fbtk_widgettype_e

Enumerator
FB_WIDGET_TYPE_ROOT
FB_WIDGET_TYPE_WINDOW
FB_WIDGET_TYPE_BITMAP
FB_WIDGET_TYPE_FILL
FB_WIDGET_TYPE_TEXT
FB_WIDGET_TYPE_HSCROLL
FB_WIDGET_TYPE_VSCROLL
FB_WIDGET_TYPE_USER

Definition at line 24 of file widget.h.

Function Documentation

fbtk_get_root_widget()

fbtk_widget_t * fbtk_get_root_widget

(

fbtk_widget_t *

widget

)

find the root widget from any widget in the toolkit hierarchy.

Parameters

widget

Any widget.

Returns

The root widget or NULL if widget was not valid.

Definition at line 412 of file fbtk.c.

References FB_WIDGET_TYPE_ROOT, NSLOG, fbtk_widget_s::parent, and fbtk_widget_s::type.

Referenced by fb_redraw_text(), fb_redraw_text_button(), fbtk_click(), fbtk_enable_oskb(), fbtk_event(), fbtk_get_caret(), fbtk_get_nsfb(), fbtk_get_redraw_pending(), fbtk_get_widget_at(), fbtk_input(), fbtk_redraw(), fbtk_set_caret(), fbtk_set_focus(), fbtk_set_ptr(), fbtk_tgrab_pointer(), fbtk_warp_pointer(), hscroll_redraw(), and vscroll_redraw().

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fbtk_set_ptr()

int fbtk_set_ptr	(	fbtk_widget_t *	widget,
		fbtk_callback_info *	cbi
	)

set pointer to bitmap in context.

widget helper callback to set cursor image to the bitmap passed in the callbacks private data.

Definition at line 393 of file fbtk.c.

References fbtk_callback_info::context, fbtk_get_root_widget(), fbtk_bitmap::height, fbtk_bitmap::hot_x, fbtk_bitmap::hot_y, fbtk_bitmap::pixdata, root, and fbtk_bitmap::width.

Referenced by fbtk_create_button(), and fbtk_create_text_button().

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fbtk_widget_new()

fbtk_widget_t * fbtk_widget_new	(	fbtk_widget_t *	parent,
		enum fbtk_widgettype_e	type,
		int	x,
		int	y,
		int	width,
		int	height
	)

creates a new widget and insert it into to hierachy.

The widget is set to defaults of false, 0 or NULL.

Parameters

parent	The parent widget. The new widget will be added with the shallowest z order relative to its siblings.
type	The type of the widget.
x	The x co-ordinate relative to the parent widget.
y	The y co-ordinate relative to the parent widget.
width	the widgets width. This will be clipped to the parent, if the value is 0 the largest extent which can fit within the parent is used, if the value is negative the largest value that will fit within the parent less the value given will be used.
height	the widgets width. This will be clipped to the parent, if the value is 0 the largest extent which can fit within the parent is used, if the value is negative the largest value that will fit within the parent less the value given will be used.

Definition at line 546 of file fbtk.c.

References fbtk, fbtk_widget_s::height, height, fbtk_widget_s::next, NSLOG, fbtk_widget_s::parent, parent, fbtk_widget_s::prev, type, fbtk_widget_s::type, fbtk_widget_s::width, width, fbtk_widget_s::x, and fbtk_widget_s::y.

Referenced by fbtk_create_bitmap(), fbtk_create_button(), fbtk_create_fill(), fbtk_create_hscroll(), fbtk_create_text(), fbtk_create_text_button(), fbtk_create_user(), fbtk_create_vscroll(), fbtk_create_window(), and fbtk_create_writable_text().

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