scroll.c File Reference

#include <assert.h>
#include <stdbool.h>
#include <libnsfb.h>
#include <libnsfb_plot.h>
#include <libnsfb_event.h>
#include <libnsfb_cursor.h>
#include "utils/log.h"
#include "netsurf/browser_window.h"
#include "framebuffer/gui.h"
#include "framebuffer/fbtk.h"
#include "framebuffer/image_data.h"
#include "widget.h"

Include dependency graph for scroll.c:

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Functions
static int	vscroll_redraw (fbtk_widget_t *widget, fbtk_callback_info *cbi)
static int	vscroll_drag (fbtk_widget_t *widget, fbtk_callback_info *cbi)
static int	vscrollu_click (fbtk_widget_t *widget, fbtk_callback_info *cbi)
static int	vscrolld_click (fbtk_widget_t *widget, fbtk_callback_info *cbi)
static int	vscrollarea_click (fbtk_widget_t *widget, fbtk_callback_info *cbi)
fbtk_widget_t *	fbtk_create_vscroll (fbtk_widget_t *parent, int x, int y, int width, int height, colour fg, colour bg, fbtk_callback callback, void *context)
	Create a vertical scroll widget. More...
void	fbtk_reposition_vscroll (fbtk_widget_t *vscroll, int x, int y, int width, int height)
	Move and/or resize a vertical scroll widget. More...
static int	hscroll_redraw (fbtk_widget_t *widget, fbtk_callback_info *cbi)
static int	hscrolll_click (fbtk_widget_t *widget, fbtk_callback_info *cbi)
static int	hscrollr_click (fbtk_widget_t *widget, fbtk_callback_info *cbi)
static int	hscroll_drag (fbtk_widget_t *widget, fbtk_callback_info *cbi)
static int	hscrollarea_click (fbtk_widget_t *widget, fbtk_callback_info *cbi)
fbtk_widget_t *	fbtk_create_hscroll (fbtk_widget_t *parent, int x, int y, int width, int height, colour fg, colour bg, fbtk_callback callback, void *context)
	Create a horizontal scroll widget. More...
void	fbtk_reposition_hscroll (fbtk_widget_t *scrollh, int x, int y, int width, int height)
	Move and/or resize a horizontal scroll widget. More...
bool	fbtk_set_scroll_parameters (fbtk_widget_t *widget, int min, int max, int thumb, int page)
	Set scoll widget parameters. More...
bool	fbtk_set_scroll_position (fbtk_widget_t *widget, int position)
	set scroll widget position. More...

Function Documentation

fbtk_create_hscroll()

fbtk_widget_t * fbtk_create_hscroll	(	fbtk_widget_t *	window,
		int	x,
		int	y,
		int	width,
		int	height,
		colour	fg,
		colour	bg,
		fbtk_callback	callback,
		void *	context
	)

Create a horizontal scroll widget.

Create a horizontal scroll widget.

Parameters

window	The window to add the filled area widget to.
x	X coordinate of widget.
y	Y coordinate of widget.
width	Width of the widget
height	Height of the widget
bg	background colour
fg	foreground colour
callback	Called on scroll
context	context passed to callback.

Returns

new widget handle or NULL on error.

Definition at line 463 of file scroll.c.

References fbtk_widget_s::bg, fbtk_widget_s::btndr, fbtk_widget_s::btnul, FB_WIDGET_TYPE_HSCROLL, FBTK_CBT_CLICK, FBTK_CBT_REDRAW, FBTK_CBT_SCROLLX, fbtk_create_button(), fbtk_set_handler(), fbtk_widget_new(), fbtk_widget_s::fg, height, hscroll_redraw(), hscrollarea_click(), hscrolll_click(), hscrollr_click(), fbtk_widget_s::mapped, parent, fbtk_widget_s::scroll, scrolll, scrollr, fbtk_widget_s::u, fbtk_bitmap::width, and width.

Referenced by create_normal_browser_window(), and fb_corewindow_init().

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fbtk_create_vscroll()

fbtk_widget_t * fbtk_create_vscroll	(	fbtk_widget_t *	window,
		int	x,
		int	y,
		int	width,
		int	height,
		colour	fg,
		colour	bg,
		fbtk_callback	callback,
		void *	context
	)

Create a vertical scroll widget.

Create a vertical scroll widget.

Parameters

window	The window to add the filled area widget to.
x	X coordinate of widget.
y	Y coordinate of widget.
width	Width of the widget
height	Height of the widget
bg	background colour
fg	foreground colour
callback	Called on scroll
context	context passed to callback.

Returns

new widget handle or NULL on error.

Definition at line 224 of file scroll.c.

References fbtk_widget_s::bg, fbtk_widget_s::btndr, fbtk_widget_s::btnul, FB_WIDGET_TYPE_VSCROLL, FBTK_CBT_CLICK, FBTK_CBT_REDRAW, FBTK_CBT_SCROLLY, fbtk_create_button(), fbtk_set_handler(), fbtk_widget_new(), fbtk_widget_s::fg, fbtk_bitmap::height, height, fbtk_widget_s::mapped, parent, fbtk_widget_s::scroll, scrolld, scrollu, fbtk_widget_s::u, vscroll_redraw(), vscrollarea_click(), vscrolld_click(), vscrollu_click(), and width.

Referenced by create_normal_browser_window(), and fb_corewindow_init().

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fbtk_reposition_hscroll()

void fbtk_reposition_hscroll	(	fbtk_widget_t *	scrollh,
		int	x,
		int	y,
		int	width,
		int	height
	)

Move and/or resize a horizontal scroll widget.

Parameters

scrollh	the horizontal scroll widget
x	new x pos
y	new y pos
width	new width
height	new height

Definition at line 515 of file scroll.c.

References fbtk_widget_s::btndr, fbtk_widget_s::btnul, FB_WIDGET_TYPE_HSCROLL, fbtk_set_pos_and_size(), height, fbtk_widget_s::scroll, scrolll, scrollr, fbtk_widget_s::type, fbtk_widget_s::u, fbtk_bitmap::width, and width.

Referenced by resize_normal_browser_window().

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fbtk_reposition_vscroll()

void fbtk_reposition_vscroll	(	fbtk_widget_t *	scrollv,
		int	x,
		int	y,
		int	width,
		int	height
	)

Move and/or resize a vertical scroll widget.

Parameters

scrollv	the vertical scroll widget
x	new x pos
y	new y pos
width	new width
height	new height

Definition at line 280 of file scroll.c.

References fbtk_widget_s::btndr, fbtk_widget_s::btnul, FB_WIDGET_TYPE_VSCROLL, fbtk_set_pos_and_size(), fbtk_bitmap::height, height, fbtk_widget_s::scroll, scrolld, scrollu, fbtk_widget_s::type, fbtk_widget_s::u, and width.

Referenced by resize_normal_browser_window().

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fbtk_set_scroll_parameters()

bool fbtk_set_scroll_parameters	(	fbtk_widget_t *	widget,
		int	min,
		int	max,
		int	thumb,
		int	page
	)

Set scoll widget parameters.

Parameters

widget	The widget to set the parameters for.
min	The minimum range value.
max	The maximum range value.
thumb	The size of the slider.
page	The amout to scroll for a page.

Returns

true if the scroll parameter was set else false.

Definition at line 535 of file scroll.c.

References FB_WIDGET_TYPE_HSCROLL, FB_WIDGET_TYPE_VSCROLL, fbtk_request_redraw(), max, fbtk_widget_s::maximum, min, fbtk_widget_s::minimum, fbtk_widget_s::page, fbtk_widget_s::position, fbtk_widget_s::scroll, fbtk_widget_s::thumb, fbtk_widget_s::type, and fbtk_widget_s::u.

Referenced by gui_window_update_extent().

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fbtk_set_scroll_position()

bool fbtk_set_scroll_position	(	fbtk_widget_t *	widget,
		int	pos
	)

set scroll widget position.

Parameters

widget	The widget to set the position on.
pos	The position to set

Returns

true if the scroll parameter was set else false.

Definition at line 565 of file scroll.c.

References FB_WIDGET_TYPE_HSCROLL, FB_WIDGET_TYPE_VSCROLL, fbtk_request_redraw(), fbtk_widget_s::maximum, fbtk_widget_s::position, fbtk_widget_s::scroll, fbtk_widget_s::type, and fbtk_widget_s::u.

Referenced by widget_scroll_x(), and widget_scroll_y().

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hscroll_drag()

static int hscroll_drag ( fbtk_widget_t *  widget, fbtk_callback_info *  cbi  )

static

Definition at line 392 of file scroll.c.

References fbtk_callback_info::context, fbtk_widget_s::drag, fbtk_widget_s::drag_position, FBTK_CBT_SCROLLX, fbtk_post_callback(), fbtk_widget_s::maximum, fbtk_widget_s::minimum, fbtk_widget_s::position, fbtk_widget_s::scroll, fbtk_widget_s::thumb, fbtk_widget_s::u, fbtk_widget_s::width, and fbtk_callback_info::x.

Referenced by hscrollarea_click().

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hscroll_redraw()

static int hscroll_redraw ( fbtk_widget_t *  widget, fbtk_callback_info *  cbi  )

static

Definition at line 300 of file scroll.c.

References fbtk_widget_s::bg, fbtk_get_bbox(), fbtk_get_root_widget(), fbtk_widget_s::fg, fbtk_widget_s::height, fbtk_widget_s::maximum, fbtk_widget_s::minimum, NSLOG, fbtk_widget_s::position, root, fbtk_widget_s::scroll, fbtk_widget_s::thumb, fbtk_widget_s::u, fbtk_widget_s::width, rect::x0, rect::x1, rect::y0, and rect::y1.

Referenced by fbtk_create_hscroll().

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hscrollarea_click()

static int hscrollarea_click ( fbtk_widget_t *  widget, fbtk_callback_info *  cbi  )

static

Definition at line 415 of file scroll.c.

References fbtk_callback_info::context, fbtk_widget_s::drag, fbtk_widget_s::drag_position, fbtk_callback_info::event, FBTK_CBT_POINTERMOVE, FBTK_CBT_SCROLLX, fbtk_post_callback(), fbtk_set_handler(), fbtk_tgrab_pointer(), hscroll_drag(), fbtk_widget_s::maximum, fbtk_widget_s::minimum, fbtk_widget_s::page, fbtk_widget_s::position, fbtk_widget_s::scroll, fbtk_widget_s::thumb, fbtk_widget_s::u, fbtk_widget_s::width, and fbtk_callback_info::x.

Referenced by fbtk_create_hscroll().

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hscrolll_click()

static int hscrolll_click ( fbtk_widget_t *  widget, fbtk_callback_info *  cbi  )

static

Definition at line 352 of file scroll.c.

References fbtk_callback_info::context, fbtk_callback_info::event, FBTK_CBT_SCROLLX, fbtk_post_callback(), fbtk_widget_s::minimum, NSLOG, fbtk_widget_s::page, fbtk_widget_s::position, fbtk_widget_s::scroll, and fbtk_widget_s::u.

Referenced by fbtk_create_hscroll().

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hscrollr_click()

static int hscrollr_click ( fbtk_widget_t *  widget, fbtk_callback_info *  cbi  )

static

Definition at line 373 of file scroll.c.

References fbtk_callback_info::context, fbtk_callback_info::event, FBTK_CBT_SCROLLX, fbtk_post_callback(), fbtk_widget_s::maximum, fbtk_widget_s::page, fbtk_widget_s::position, fbtk_widget_s::scroll, fbtk_widget_s::thumb, and fbtk_widget_s::u.

Referenced by fbtk_create_hscroll().

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vscroll_drag()

static int vscroll_drag ( fbtk_widget_t *  widget, fbtk_callback_info *  cbi  )

static

Definition at line 93 of file scroll.c.

References fbtk_callback_info::context, fbtk_widget_s::drag, fbtk_widget_s::drag_position, FBTK_CBT_SCROLLY, fbtk_post_callback(), fbtk_widget_s::height, fbtk_widget_s::maximum, fbtk_widget_s::minimum, fbtk_widget_s::position, fbtk_widget_s::scroll, fbtk_widget_s::thumb, fbtk_widget_s::u, and fbtk_callback_info::y.

Referenced by vscrollarea_click().

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vscroll_redraw()

static int vscroll_redraw ( fbtk_widget_t *  widget, fbtk_callback_info *  cbi  )

static

Definition at line 42 of file scroll.c.

References fbtk_widget_s::bg, fbtk_get_bbox(), fbtk_get_root_widget(), fbtk_widget_s::fg, fbtk_widget_s::height, fbtk_widget_s::maximum, fbtk_widget_s::minimum, fbtk_widget_s::position, root, fbtk_widget_s::scroll, fbtk_widget_s::thumb, fbtk_widget_s::u, fbtk_widget_s::width, rect::x0, rect::x1, rect::y0, and rect::y1.

Referenced by fbtk_create_vscroll().

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vscrollarea_click()

static int vscrollarea_click ( fbtk_widget_t *  widget, fbtk_callback_info *  cbi  )

static

Definition at line 154 of file scroll.c.

References fbtk_callback_info::context, fbtk_widget_s::drag, fbtk_widget_s::drag_position, fbtk_callback_info::event, FBTK_CBT_POINTERMOVE, FBTK_CBT_SCROLLY, fbtk_post_callback(), fbtk_set_handler(), fbtk_tgrab_pointer(), fbtk_widget_s::height, fbtk_widget_s::maximum, fbtk_widget_s::minimum, fbtk_widget_s::page, fbtk_widget_s::position, fbtk_widget_s::scroll, fbtk_widget_s::thumb, fbtk_widget_s::u, vscroll_drag(), and fbtk_callback_info::y.

Referenced by fbtk_create_vscroll().

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vscrolld_click()

static int vscrolld_click ( fbtk_widget_t *  widget, fbtk_callback_info *  cbi  )

static

Definition at line 135 of file scroll.c.

References fbtk_callback_info::context, fbtk_callback_info::event, FBTK_CBT_SCROLLY, fbtk_post_callback(), fbtk_widget_s::maximum, fbtk_widget_s::page, fbtk_widget_s::position, fbtk_widget_s::scroll, fbtk_widget_s::thumb, and fbtk_widget_s::u.

Referenced by fbtk_create_vscroll().

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vscrollu_click()

static int vscrollu_click ( fbtk_widget_t *  widget, fbtk_callback_info *  cbi  )

static

Definition at line 116 of file scroll.c.

References fbtk_callback_info::context, fbtk_callback_info::event, FBTK_CBT_SCROLLY, fbtk_post_callback(), fbtk_widget_s::minimum, fbtk_widget_s::page, fbtk_widget_s::position, fbtk_widget_s::scroll, and fbtk_widget_s::u.

Referenced by fbtk_create_vscroll().

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