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/*
* $Id$
*/
#include <stdio.h>
#include <stdlib.h>
#include <x_sb_view.h>
#include "x_sample_sb_view_lib.h"
#include "x_arrow_data.h"
#define TOP_MARGIN 0
#define BOTTOM_MARGIN 28
#define HEIGHT_MARGIN (TOP_MARGIN + BOTTOM_MARGIN)
#define WIDTH 13
/* --- static functions --- */
static void
get_geometry_hints(
x_sb_view_t * view ,
unsigned int * width ,
unsigned int * top_margin ,
unsigned int * bottom_margin ,
int * up_button_y ,
unsigned int * up_button_height ,
int * down_button_y ,
unsigned int * down_button_height
)
{
*width = WIDTH ;
*top_margin = TOP_MARGIN ;
*bottom_margin = BOTTOM_MARGIN ;
*up_button_y = -BOTTOM_MARGIN ;
*up_button_height = BOTTOM_MARGIN / 2 ;
*down_button_y = -(BOTTOM_MARGIN / 2) ;
*down_button_height = BOTTOM_MARGIN / 2 ;
}
static void
get_default_color(
x_sb_view_t * view ,
char ** fg_color ,
char ** bg_color
)
{
*fg_color = "gray" ;
*bg_color = "lightgray" ;
}
static void
realized(
x_sb_view_t * view ,
Display * display ,
int screen ,
Window window ,
GC gc ,
unsigned int height
)
{
sample_sb_view_t * sample ;
XGCValues gc_value ;
XWindowAttributes attr ;
XColor black = { 0 , 0 , 0 , 0 , 0 , 0 , } ;
XColor white = { 0 , 0xffff , 0xffff , 0xffff , 0 , 0 , } ;
sample = (sample_sb_view_t*) view ;
view->display = display ;
view->screen = screen ;
view->window = window ;
view->gc = gc ;
view->height = height ;
XGetWindowAttributes( view->display , view->window , &attr) ;
XAllocColor( view->display , attr.colormap , &black) ;
XAllocColor( view->display , attr.colormap , &white) ;
sample->black_pixel = gc_value.foreground = black.pixel ;
sample->white_pixel = gc_value.background = white.pixel ;
gc_value.graphics_exposures = 0 ;
sample->gc = XCreateGC( view->display , view->window ,
GCForeground | GCBackground | GCGraphicsExposures , &gc_value) ;
sample->arrow_up = x_get_icon_pixmap( view , sample->gc , arrow_up_src ,
WIDTH , BOTTOM_MARGIN / 2 , attr.depth , black.pixel , white.pixel) ;
sample->arrow_down = x_get_icon_pixmap( view , sample->gc , arrow_down_src ,
WIDTH , BOTTOM_MARGIN / 2 , attr.depth , black.pixel , white.pixel) ;
sample->arrow_up_dent = x_get_icon_pixmap( view , sample->gc , arrow_up_dent_src ,
WIDTH , BOTTOM_MARGIN / 2 , attr.depth , black.pixel , white.pixel) ;
sample->arrow_down_dent = x_get_icon_pixmap( view , sample->gc , arrow_down_dent_src ,
WIDTH , BOTTOM_MARGIN / 2 , attr.depth , black.pixel , white.pixel) ;
}
static void
resized(
x_sb_view_t * view ,
Window window ,
unsigned int height
)
{
view->window = window ;
view->height = height ;
}
static void
color_changed(
x_sb_view_t * view ,
int is_fg /* 1=fg , 0=bg */
)
{
if( is_fg)
{
sample_sb_view_t * sample ;
sample = (sample_sb_view_t*) view ;
x_draw_icon_pixmap_fg( view , sample->arrow_up , arrow_up_src ,
WIDTH , BOTTOM_MARGIN / 2) ;
x_draw_icon_pixmap_fg( view , sample->arrow_down , arrow_down_src ,
WIDTH , BOTTOM_MARGIN / 2) ;
x_draw_icon_pixmap_fg( view , sample->arrow_up_dent , arrow_up_dent_src ,
WIDTH , BOTTOM_MARGIN / 2) ;
x_draw_icon_pixmap_fg( view , sample->arrow_down_dent , arrow_down_dent_src ,
WIDTH , BOTTOM_MARGIN / 2) ;
}
}
static void
delete(
x_sb_view_t * view
)
{
sample_sb_view_t * sample ;
sample = (sample_sb_view_t*) view ;
if( sample)
{
XFreePixmap( view->display , sample->arrow_up) ;
XFreePixmap( view->display , sample->arrow_up_dent) ;
XFreePixmap( view->display , sample->arrow_down) ;
XFreePixmap( view->display , sample->arrow_down_dent) ;
XFreeGC( view->display , sample->gc) ;
free( sample) ;
}
}
static void
draw_arrow_up_icon(
x_sb_view_t * view ,
int is_dent
)
{
sample_sb_view_t * sample ;
Pixmap arrow ;
sample = (sample_sb_view_t*) view ;
if( is_dent)
{
arrow = sample->arrow_up_dent ;
}
else
{
arrow = sample->arrow_up ;
}
XCopyArea( view->display , arrow , view->window , view->gc ,
0 , 0 , WIDTH , BOTTOM_MARGIN / 2 , 0 , view->height - BOTTOM_MARGIN) ;
}
static void
draw_arrow_down_icon(
x_sb_view_t * view ,
int is_dent
)
{
sample_sb_view_t * sample ;
Pixmap arrow ;
sample = (sample_sb_view_t*) view ;
if( is_dent)
{
arrow = sample->arrow_down_dent ;
}
else
{
arrow = sample->arrow_down ;
}
XCopyArea( view->display , arrow , view->window , view->gc ,
0 , 0 , WIDTH , BOTTOM_MARGIN / 2 , 0 , view->height - BOTTOM_MARGIN / 2) ;
}
static void
draw_scrollbar(
x_sb_view_t * view ,
int bar_top_y ,
unsigned int bar_height
)
{
sample_sb_view_t * sample ;
sample = (sample_sb_view_t*) view ;
/* drawing bar */
XFillRectangle( view->display , view->window , view->gc ,
1 , bar_top_y , WIDTH - 1 , bar_height) ;
/* left side shade */
XSetForeground( view->display , sample->gc , sample->white_pixel) ;
XDrawLine( view->display , view->window , sample->gc ,
0 , bar_top_y , 0 , bar_top_y + bar_height - 1) ;
/* up side shade */
XDrawLine( view->display , view->window , sample->gc ,
0 , bar_top_y , WIDTH - 1 , bar_top_y) ;
/* right side shade */
XSetForeground( view->display , sample->gc , sample->black_pixel) ;
XDrawLine( view->display , view->window , sample->gc ,
WIDTH - 1 , bar_top_y , WIDTH - 1 , bar_top_y + bar_height - 1) ;
/* down side shade */
XDrawLine( view->display , view->window , sample->gc ,
1 , bar_top_y + bar_height - 1 , WIDTH , bar_top_y + bar_height - 1) ;
}
static void
draw_background(
x_sb_view_t * view ,
int y ,
unsigned int height
)
{
XClearArea( view->display , view->window , 0 , y , WIDTH , height , 0) ;
}
static void
draw_up_button(
x_sb_view_t * view ,
int is_pressed
)
{
draw_arrow_up_icon( view , is_pressed) ;
}
static void
draw_down_button(
x_sb_view_t * view ,
int is_pressed
)
{
draw_arrow_down_icon( view , is_pressed) ;
}
/* --- global functions --- */
x_sb_view_t *
x_sample_sb_view_new(void)
{
sample_sb_view_t * sample ;
if( ( sample = calloc( 1 , sizeof( sample_sb_view_t))) == NULL)
{
return NULL ;
}
sample->view.version = 1 ;
sample->view.get_geometry_hints = get_geometry_hints ;
sample->view.get_default_color = get_default_color ;
sample->view.realized = realized ;
sample->view.resized = resized ;
sample->view.color_changed = color_changed ;
sample->view.delete = delete ;
sample->view.draw_scrollbar = draw_scrollbar ;
sample->view.draw_background = draw_background ;
sample->view.draw_up_button = draw_up_button ;
sample->view.draw_down_button = draw_down_button ;
return (x_sb_view_t*) sample ;
}
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