widget_scrollbar.h File Reference

#include "widget.h"

Go to the source code of this file.

Data Structures
struct	scroll_bar

Macros
#define	scrollbar_size(scroll)
#define	hide_scrollbar(scrollbar)
#define	show_scrollbar(scrollbar)

Functions
struct widget *	create_vertical (SDL_Surface *vert_theme, struct gui_layer *pdest, Uint16 height, Uint32 flags)
int	draw_vert (struct widget *vert, Sint16 x, Sint16 y)
Uint32	create_vertical_scrollbar (struct advanced_dialog *dlg, Uint8 step, Uint8 active, bool create_scrollbar, bool create_buttons)
void	setup_vertical_scrollbar_area (struct scroll_bar *scroll, Sint16 start_x, Sint16 start_y, Uint16 height, bool swap_start_x)
void	setup_vertical_scrollbar_default_callbacks (struct scroll_bar *scroll)
struct widget *	create_horizontal (SDL_Surface *horiz_theme, struct gui_layer *pdest, Uint16 width, Uint32 flags)
int	draw_horiz (struct widget *horiz, Sint16 x, Sint16 y)
Uint32	create_horizontal_scrollbar (struct advanced_dialog *dlg, Sint16 start_x, Sint16 start_y, Uint16 width, Uint16 active, bool create_scrollbar, bool create_buttons, bool swap_start_y)

Macro Definition Documentation

hide_scrollbar

#define hide_scrollbar

(

scrollbar

)

Value:

do {                                                            \
  if (scrollbar->up_left_button) {                              \
    if (!(get_wflags(scrollbar->up_left_button) & WF_HIDDEN)) {\
      widget_undraw(scrollbar->up_left_button);                \
      widget_mark_dirty(scrollbar->up_left_button);            \
      set_wflag(scrollbar->up_left_button, WF_HIDDEN);          \
    }                                                           \
    if (!(get_wflags(scrollbar->down_right_button) & WF_HIDDEN)) {\
      widget_undraw(scrollbar->down_right_button);             \
      widget_mark_dirty(scrollbar->down_right_button);         \
      set_wflag(scrollbar->down_right_button, WF_HIDDEN);       \
    }                                                           \
  }                                                             \
  if (scrollbar->pscroll_bar) {                                 \
    if (!(get_wflags(scrollbar->pscroll_bar) & WF_HIDDEN)) {     \
      widget_undraw(scrollbar->pscroll_bar);                     \
      widget_mark_dirty(scrollbar->pscroll_bar);                 \
      set_wflag(scrollbar->pscroll_bar, WF_HIDDEN);             \
    }                                                           \
  }                                                             \
} while (FALSE)

Definition at line 36 of file widget_scrollbar.h.

scrollbar_size

#define scrollbar_size

(

scroll

)

Value:

        ((float)((float)(scroll->active * scroll->step) /       \
        (float)scroll->count) * (scroll->max - scroll->min))

Definition at line 32 of file widget_scrollbar.h.

show_scrollbar

#define show_scrollbar

(

scrollbar

)

Value:

do {                                                            \
  if (scrollbar->up_left_button) {                              \
    clear_wflag(scrollbar->up_left_button, WF_HIDDEN);          \
    clear_wflag(scrollbar->down_right_button, WF_HIDDEN);       \
  }                                                             \
  if (scrollbar->pscroll_bar) {                                 \
    clear_wflag(scrollbar->pscroll_bar, WF_HIDDEN);             \
  }                                                             \
} while (FALSE)

Definition at line 59 of file widget_scrollbar.h.

Function Documentation

create_horizontal()

struct widget * create_horizontal	(	SDL_Surface *	horiz_theme,
		struct gui_layer *	pdest,
		Uint16	width,
		Uint32	flags
	)

Create ( malloc ) horizontal scroll_bar widget structure.

Theme graphic is taken from horiz_theme surface;

This function determinate future size of horizontal scroll_bar ( width = 'width', height = 'horiz_theme->h' ) and save this in: pwidget->size rectangle ( SDL_Rect )

Return pointer to created widget.

Definition at line 296 of file widget_scrollbar.c.

create_horizontal_scrollbar()

Uint32 create_horizontal_scrollbar	(	struct advanced_dialog *	dlg,
		Sint16	start_x,
		Sint16	start_y,
		Uint16	width,
		Uint16	active,
		bool	create_scrollbar,
		bool	create_buttons,
		bool	swap_start_y
	)

Create a new horizontal scrollbar to active widgets list.

Definition at line 1545 of file widget_scrollbar.c.

create_vertical()

struct widget * create_vertical	(	SDL_Surface *	vert_theme,
		struct gui_layer *	pdest,
		Uint16	height,
		Uint32	flags
	)

Create ( malloc ) vertical scroll_bar widget structure.

Theme graphic is taken from vert_theme surface;

This function determinate future size of vertical scroll_bar ( width = 'vert_theme->w', height = 'height' ) and save this in: pwidget->size rectangle ( SDL_Rect )

Return pointer to created widget.

Definition at line 164 of file widget_scrollbar.c.

create_vertical_scrollbar()

Uint32 create_vertical_scrollbar	(	struct advanced_dialog *	dlg,
		Uint8	step,
		Uint8	active,
		bool	create_scrollbar,
		bool	create_buttons
	)

Create a new vertical scrollbar to active widgets list.

Definition at line 486 of file widget_scrollbar.c.

draw_horiz()

int draw_horiz	(	struct widget *	horiz,
		Sint16	x,
		Sint16	y
	)

Draw horizontal scrollbar.

Definition at line 320 of file widget_scrollbar.c.

draw_vert()

int draw_vert	(	struct widget *	vert,
		Sint16	x,
		Sint16	y
	)

Draw vertical scrollbar.

Definition at line 187 of file widget_scrollbar.c.

setup_vertical_scrollbar_area()

void setup_vertical_scrollbar_area	(	struct scroll_bar *	scroll,
		Sint16	start_x,
		Sint16	start_y,
		Uint16	height,
		bool	swap_start_x
	)

Setup area for the vertical scrollbar.

Definition at line 567 of file widget_scrollbar.c.

setup_vertical_scrollbar_default_callbacks()

void setup_vertical_scrollbar_default_callbacks

(

struct scroll_bar *

scroll

)

Set default vertical scrollbar handling for scrollbar.

Definition at line 1522 of file widget_scrollbar.c.