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No longer use the *_PIXEL macros.

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Added a scrollbar with sizable knob for directory browsing etc.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2040 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Markus Braun 2002-08-28 14:24:59 +00:00
parent 257a2f890a
commit 85e936b8a3
1 changed files with 121 additions and 81 deletions
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202
apps/recorder/widgets.c
View file

@ -27,69 +27,45 @@
void progressbar(int x, int y, int width, int height, int percent, int direction)
{
int pos;
int i,j;
/* draw horizontal lines */
for(i=x+1;i<=x+width-2;i++) {
DRAW_PIXEL(i,y);
DRAW_PIXEL(i,(y+height-1));
}
/* draw vertical lines */
for(i=1;i<height;i++) {
DRAW_PIXEL(x,(y+i));
DRAW_PIXEL((x+width-1),(y+i));
}
/* draw box */
lcd_drawrect(x, y, width, height);
/* clear edge pixels */
CLEAR_PIXEL(x,y);
CLEAR_PIXEL((x+width-1),y);
CLEAR_PIXEL(x,(y+height-1));
CLEAR_PIXEL((x+width-1),(y+height-1));
lcd_clearpixel(x, y);
lcd_clearpixel((x + width - 1), y);
lcd_clearpixel(x, (y + height - 1));
lcd_clearpixel((x + width - 1), (y + height - 1));
/* clear pixels in progress bar */
for(i=1;i<=width-2;i++) {
for(j=1;j<=height-2;j++) {
CLEAR_PIXEL((x+i),(y+j));
CLEAR_PIXEL((x+i),(y+j));
}
}
lcd_clearrect(x + 1, y + 1, width - 2, height - 2);
/* draw bar */
pos=percent;
if(pos<0)
pos=0;
if(pos>100)
pos=100;
pos = percent;
if(pos < 0)
pos = 0;
if(pos > 100)
pos = 100;
switch (direction)
{
case Grow_Right:
pos=(width-2)*pos/100;
for(i=1;i<=pos;i++)
for(j=1;j<height-1;j++)
DRAW_PIXEL((x+i),(y+j));
pos=(width - 2) * pos / 100;
lcd_fillrect(x + 1, y + 1, pos, height - 2);
break;
case Grow_Left:
pos=(width-2)*(100-pos)/100;
for(i=pos+1;i<=width-2;i++)
for(j=1;j<height-1;j++)
DRAW_PIXEL((x+i),(y+j));
pos=(width - 2) * (100 - pos) / 100;
lcd_fillrect(x + pos, y + 1, width - 1 - pos, height - 2);
break;
case Grow_Down:
pos=(height-2)*pos/100;
for(i=1;i<=pos;i++)
for(j=1;j<width-1;j++)
DRAW_PIXEL((x+j),(y+i));
pos=(height - 2) * pos / 100;
lcd_fillrect(x + 1, y + 1, width - 2, pos);
break;
case Grow_Up:
pos=(height-2)*(100-pos)/100;
for(i=pos+1;i<=height-2;i++)
for(j=1;j<width-1;j++)
DRAW_PIXEL((x+j),(y+i));
pos=(height - 2) * (100 - pos) / 100;
lcd_fillrect(x + 1, y + pos, width - 2, height - 1 - pos);
break;
}
}
@ -99,63 +75,127 @@ void progressbar(int x, int y, int width, int height, int percent, int direction
void slidebar(int x, int y, int width, int height, int percent, int direction)
{
int pos;
int i,j;
/* draw horizontal lines */
for(i=x+1;i<=x+width-2;i++) {
DRAW_PIXEL(i,y);
DRAW_PIXEL(i,(y+height-1));
}
/* draw vertical lines */
for(i=1;i<height;i++) {
DRAW_PIXEL(x,(y+i));
DRAW_PIXEL((x+width-1),(y+i));
}
/* draw box */
lcd_drawrect(x, y, width, height);
/* clear edge pixels */
CLEAR_PIXEL(x,y);
CLEAR_PIXEL((x+width-1),y);
CLEAR_PIXEL(x,(y+height-1));
CLEAR_PIXEL((x+width-1),(y+height-1));
lcd_clearpixel(x, y);
lcd_clearpixel((x + width - 1), y);
lcd_clearpixel(x, (y + height - 1));
lcd_clearpixel((x + width - 1), (y + height - 1));
/* clear pixels in progress bar */
for(i=1;i<=width-2;i++)
for(j=1;j<=height-2;j++) {
CLEAR_PIXEL((x+i),(y+j));
CLEAR_PIXEL((x+i),(y+j));
}
lcd_clearrect(x + 1, y + 1, width - 2, height - 2);
/* draw point */
pos=percent;
if(pos<0)
pos=0;
if(pos>100)
pos=100;
/* draw knob */
pos = percent;
if(pos < 0)
pos = 0;
if(pos > 100)
pos = 100;
switch (direction)
{
case Grow_Right:
pos=(width-height-1)*pos/100;
pos = (width - height) * pos / 100;
break;
case Grow_Left:
pos=(width-height-1)*(100-pos)/100;
pos=(width - height) * (100 - pos) / 100;
break;
case Grow_Down:
pos=(height-width-1)*pos/100;
pos=(height - width) * pos / 100;
break;
case Grow_Up:
pos=(height-width-1)*(100-pos)/100;
pos=(height - width) * (100 - pos) / 100;
break;
}
if(direction == Grow_Left || direction == Grow_Right)
for(i=1;i<height;i++)
for(j=1;j<height;j++)
DRAW_PIXEL((x+pos+i),(y+j));
lcd_fillrect(x + pos + 1, y + 1, height - 2, height - 2);
else
for(i=1;i<width;i++)
for(j=1;j<width;j++)
DRAW_PIXEL((x+i),(y+pos+j));
lcd_fillrect(x + 1, y + pos + 1, width - 2, width - 2);
}
/*
* Print a scroll bar
*/
void scrollbar(int x, int y, int width, int height, int items, int min_shown, int max_shown, int orientation)
{
int min;
int max;
int start;
int size;
/* draw box */
lcd_drawrect(x, y, width, height);
/* clear edge pixels */
lcd_clearpixel(x, y);
lcd_clearpixel((x + width - 1), y);
lcd_clearpixel(x, (y + height - 1));
lcd_clearpixel((x + width - 1), (y + height - 1));
/* clear pixels in progress bar */
lcd_clearrect(x + 1, y + 1, width - 2, height - 2);
/* min should be min */
if(min_shown < max_shown) {
min = min_shown;
max = max_shown;
}
else {
min = max_shown;
max = min_shown;
}
/* limit min and max */
if(min < 0)
min = 0;
if(min > items)
min = items;
if(max < 0)
max = 0;
if(max > items)
max = items;
/* calc start and end of the knob */
if(items > 0 && items > (max - min)) {
if(orientation == VERTICAL) {
size = (height - 2) * (max - min) / items;
start = (height - 2 - size) * min / (items - (max - min));
}
else {
size = (width - 2) * (max - min) / items;
start = (width - 2 - size) * min / (items - (max - min));
}
}
else { /* if null draw a full bar */
start = 0;
if(orientation == VERTICAL)
size = (height - 2);
else
size = (width - 2);
}
/* knob has a width */
if(size != 0) {
if(orientation == VERTICAL)
lcd_fillrect(x + 1, y + start + 1, width - 2, size);
else
lcd_fillrect(x + start + 1, y + 1, size, height - 2);
}
else { /* width of knob is null */
if(orientation == VERTICAL) {
start = (height - 2 - 1) * min / items;
lcd_fillrect(x + 1, y + start + 1, width - 2, 1);
}
else {
start = (width - 2 - 1) * min / items;
lcd_fillrect(x + start + 1, y + 1, 1, height - 2);
}
}
}
#endif