#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <libnsfb.h>
#include <libnsfb_plot.h>
#include <libnsfb_plot_util.h>
#include <libnsfb_event.h>
#include "utils/log.h"
#include "netsurf/browser_window.h"
#include "netsurf/plotters.h"
#include "framebuffer/gui.h"
#include "framebuffer/fbtk.h"
#include "framebuffer/font.h"
#include "framebuffer/framebuffer.h"
#include "framebuffer/image_data.h"
#include "widget.h"

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Macros
#define	brighten_colour(c1)

#define	px_to_pt(x) (((x) * 72) / FBTK_DPI)

Functions
static void	fb_text_font_style (fbtk_widget_t widget, int font_height, int padding, plot_font_style_t font_style)

static int	fb_redraw_text (fbtk_widget_t widget, fbtk_callback_info cbi)
	Text redraw callback. More...

static int	fb_destroy_text (fbtk_widget_t widget, fbtk_callback_info cbi)
	Text destroy callback. More...

static int	fb_redraw_text_button (fbtk_widget_t widget, fbtk_callback_info cbi)
	Text button redraw callback. More...

static void	fb_text_input_remove_caret_cb (fbtk_widget_t *widget)

static int	text_input (fbtk_widget_t widget, fbtk_callback_info cbi)
	Routine called when text events occour in writeable widget. More...

static int	text_input_click (fbtk_widget_t widget, fbtk_callback_info cbi)
	Routine called when click events occour in writeable widget. More...

static int	text_input_strip_focus (fbtk_widget_t widget, fbtk_callback_info cbi)
	Routine called when "stripped of focus" event occours for writeable widget. More...

void	fbtk_writable_text (fbtk_widget_t widget, fbtk_enter_t enter, void pw)
	Alter a text widget to be writable. More...

void	fbtk_set_text (fbtk_widget_t widget, const char text)
	Change the text of a text widget. More...

fbtk_widget_t *	fbtk_create_text (fbtk_widget_t *parent, int x, int y, int width, int height, colour bg, colour fg, bool outline)
	Create a text widget. More...

fbtk_widget_t *	fbtk_create_writable_text (fbtk_widget_t parent, int x, int y, int width, int height, colour bg, colour fg, bool outline, fbtk_enter_t enter, void pw)
	Create a writable text widget. More...

fbtk_widget_t *	fbtk_create_text_button (fbtk_widget_t parent, int x, int y, int width, int height, colour bg, colour fg, fbtk_callback click, void pw)
	Create a button with text. More...

Macro Definition Documentation

◆ brighten_colour

#define brighten_colour ( c1 )

Value:

        (((((7 * ((c1 >> 16) & 0xff)) >> 3) + 32) << 16) |      \
         ((((7 * ((c1 >> 8) & 0xff)) >> 3) + 32) << 8) |        \
         ((((7 * (c1 & 0xff)) >> 3) + 32) << 0))

Definition at line 47 of file text.c.

◆ px_to_pt

#define px_to_pt ( x ) (((x) * 72) / FBTK_DPI)

Definition at line 53 of file text.c.

Function Documentation

◆ fb_destroy_text()

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

static

Text destroy callback.

Called when a text widget is destroyed.

Parameters

widget	The widget being destroyed.
cbi	The callback parameters.

Returns: The callback result.

Definition at line 188 of file text.c.

References FB_WIDGET_TYPE_TEXT, fbtk_widget_s::text, fbtk_widget_s::type, and fbtk_widget_s::u.

Referenced by fbtk_create_text(), fbtk_create_text_button(), and fbtk_create_writable_text().

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◆ fb_redraw_text()

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

static

Text redraw callback.

Called when a text widget requires redrawing.

Parameters

widget	The widget to be redrawn.
cbi	The callback parameters.

Returns: The callback result.

Definition at line 90 of file text.c.

References fbtk_widget_s::bg, fb_plotters, fb_text_font_style(), fbtk_get_bbox(), fbtk_get_caret(), fbtk_get_nsfb(), fbtk_get_root_widget(), redraw_context::interactive, line(), nsfb, redraw_context::plot, root, fbtk_widget_s::text, plotter_table::text, fbtk_widget_s::u, fbtk_widget_s::width, rect::x1, and rect::y1.

Referenced by fbtk_create_text(), and fbtk_create_writable_text().

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◆ fb_redraw_text_button()

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

static

Text button redraw callback.

Called when a text widget requires redrawing.

Parameters

widget	The widget to be redrawn.
cbi	The callback parameters.

Returns: The callback result.

Definition at line 210 of file text.c.

References fbtk_widget_s::bg, brighten_colour, darken_colour, fb_plotters, fb_text_font_style(), fbtk_get_bbox(), fbtk_get_root_widget(), redraw_context::interactive, line(), redraw_context::plot, root, fbtk_widget_s::text, plotter_table::text, fbtk_widget_s::u, rect::x0, rect::x1, rect::y0, and rect::y1.

Referenced by fbtk_create_text_button().

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◆ fb_text_font_style()

static void fb_text_font_style	(	fbtk_widget_t *	widget,
		int *	font_height,
		int *	padding,
		plot_font_style_t *	font_style
	)

inlinestatic

Definition at line 57 of file text.c.

References plot_font_style::background, fbtk_widget_s::bg, plot_font_style::family, FB_FONT_HEIGHT, fbtk_widget_s::fg, plot_font_style::flags, FONTF_NONE, plot_font_style::foreground, fbtk_widget_s::height, PLOT_FONT_FAMILY_SANS_SERIF, PLOT_STYLE_SCALE, px_to_pt, plot_font_style::size, fbtk_widget_s::text, fbtk_widget_s::u, and plot_font_style::weight.

Referenced by fb_redraw_text(), fb_redraw_text_button(), fbtk_set_text(), text_input(), and text_input_click().

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◆ fb_text_input_remove_caret_cb()

static void fb_text_input_remove_caret_cb ( fbtk_widget_t * widget )

static

Definition at line 286 of file text.c.

References fbtk_get_caret(), and fbtk_request_redraw().

Referenced by fbtk_set_text(), text_input(), and text_input_click().

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◆ fbtk_create_text()

fbtk_widget_t * fbtk_create_text	(	fbtk_widget_t *	window,
		int	x,
		int	y,
		int	width,
		int	height,
		colour	bg,
		colour	fg,
		bool	outline
	)

Create a text widget.

Parameters

window	The window to add the text 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
outline	widget will have a border.

Returns: new widget handle or NULL on error.

Definition at line 581 of file text.c.

References fbtk_widget_s::bg, fb_destroy_text(), fb_redraw_text(), FB_WIDGET_TYPE_TEXT, FBTK_CBT_DESTROY, FBTK_CBT_REDRAW, fbtk_set_handler(), fbtk_widget_new(), fbtk_widget_s::fg, height, fbtk_widget_s::mapped, parent, fbtk_widget_s::text, fbtk_widget_s::u, and width.

Referenced by create_normal_browser_window().

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◆ fbtk_create_text_button()

fbtk_widget_t * fbtk_create_text_button	(	fbtk_widget_t *	window,
		int	x,
		int	y,
		int	width,
		int	height,
		colour	bg,
		colour	fg,
		fbtk_callback	click,
		void *	pw
	)

Create a button with text.

Parameters

window	The window to add the text 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
click	The callback upon a click
pw	The context tp pass to the callback

Returns: new widget handle or NULL on error.

Definition at line 639 of file text.c.

References fbtk_widget_s::bg, fb_destroy_text(), fb_redraw_text_button(), FB_WIDGET_TYPE_TEXT, FBTK_CBT_CLICK, FBTK_CBT_DESTROY, FBTK_CBT_POINTERENTER, FBTK_CBT_REDRAW, fbtk_set_handler(), fbtk_set_ptr(), fbtk_widget_new(), fbtk_widget_s::fg, hand_image, height, fbtk_widget_s::mapped, parent, fbtk_widget_s::text, fbtk_widget_s::u, and width.

Referenced by create_normal_browser_window(), and fbtk_enable_oskb().

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◆ fbtk_create_writable_text()

fbtk_widget_t * fbtk_create_writable_text	(	fbtk_widget_t *	window,
		int	x,
		int	y,
		int	width,
		int	height,
		colour	bg,
		colour	fg,
		bool	outline,
		fbtk_enter_t	enter,
		void *	pw
	)

Create a writable text widget.

Helper function which creates a text widget and configures an input handler to create a writable text field. This call is equivalent to calling fbtk_create_text followed by fbtk_writable_text

Parameters

window	The window to add the text 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
outline	widget will have a border.
enter	Callback when enter is pressed in widget.
pw	Context pointer passed to entry callback.

Returns: new widget handle or NULL on error.

Definition at line 606 of file text.c.

References fbtk_widget_s::bg, fb_destroy_text(), fb_redraw_text(), FB_WIDGET_TYPE_TEXT, FBTK_CBT_CLICK, FBTK_CBT_DESTROY, FBTK_CBT_INPUT, FBTK_CBT_REDRAW, FBTK_CBT_STRIP_FOCUS, fbtk_set_handler(), fbtk_widget_new(), fbtk_widget_s::fg, height, fbtk_widget_s::mapped, parent, fbtk_widget_s::text, text_input(), text_input_click(), text_input_strip_focus(), fbtk_widget_s::u, and width.

Referenced by create_toolbar().

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◆ fbtk_set_text()

void fbtk_set_text	(	fbtk_widget_t *	widget,
		const char *	text
	)

Change the text of a text widget.

Parameters

widget	Text widget.
text	The new UTF-8 text to put in the widget.

Definition at line 542 of file text.c.

References fb_font_width(), fb_text_font_style(), fb_text_input_remove_caret_cb(), FB_WIDGET_TYPE_TEXT, fbtk_get_caret(), fbtk_request_redraw(), fbtk_set_caret(), fbtk_widget_s::height, fbtk_widget_s::text, text(), fbtk_widget_s::type, and fbtk_widget_s::u.

Referenced by fbtk_enable_oskb(), gui_window_set_status(), and gui_window_set_url().

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◆ fbtk_writable_text()

void fbtk_writable_text	(	fbtk_widget_t *	widget,
		fbtk_enter_t	enter,
		void *	pw
	)

Alter a text widget to be writable.

Parameters

widget	Text widget.
enter	The routine to call when enter is pressed.
pw	The context to pass to the enter callback routine.

Definition at line 532 of file text.c.

References FBTK_CBT_INPUT, fbtk_set_handler(), fbtk_widget_s::text, text_input(), and fbtk_widget_s::u.

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◆ text_input()

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

static

Routine called when text events occour in writeable widget.

Parameters

widget	The widget reciving input events.
cbi	The callback parameters.

Returns: The callback result.

Definition at line 302 of file text.c.

References fbtk_callback_info::event, fb_font_width(), fb_text_font_style(), fb_text_input_remove_caret_cb(), fbtk_keycode_to_ucs4(), FBTK_MOD_CLEAR, FBTK_MOD_LCTRL, FBTK_MOD_LSHIFT, FBTK_MOD_RCTRL, FBTK_MOD_RSHIFT, fbtk_request_redraw(), fbtk_set_caret(), fbtk_widget_s::height, fbtk_widget_s::text, and fbtk_widget_s::u.

Referenced by fbtk_create_writable_text(), and fbtk_writable_text().

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◆ text_input_click()

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

static

Routine called when click events occour in writeable widget.

Parameters

widget	The widget reciving click events.
cbi	The callback parameters.

Returns: The callback result.

Definition at line 489 of file text.c.

References fb_font_position(), fb_text_font_style(), fb_text_input_remove_caret_cb(), fbtk_request_redraw(), fbtk_set_caret(), fbtk_widget_s::height, fbtk_widget_s::text, fbtk_widget_s::u, and fbtk_callback_info::x.

Referenced by fbtk_create_writable_text().

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◆ text_input_strip_focus()

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

static

Routine called when "stripped of focus" event occours for writeable widget.

Parameters

widget	The widget reciving "stripped of focus" event.
cbi	The callback parameters.

Returns: The callback result.

Definition at line 523 of file text.c.

References fbtk_set_caret().

Referenced by fbtk_create_writable_text().

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Macros

Functions

Macro Definition Documentation

◆ brighten_colour

◆ px_to_pt

Function Documentation

◆ fb_destroy_text()

◆ fb_redraw_text()

◆ fb_redraw_text_button()

◆ fb_text_font_style()

◆ fb_text_input_remove_caret_cb()

◆ fbtk_create_text()

◆ fbtk_create_text_button()

◆ fbtk_create_writable_text()

◆ fbtk_set_text()

◆ fbtk_writable_text()

◆ text_input()

◆ text_input_click()

◆ text_input_strip_focus()