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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) void progressbar(int x, int y, int width, int height, int percent, int direction)
{ {
int pos; int pos;
int i,j;
/* draw horizontal lines */ /* draw box */
for(i=x+1;i<=x+width-2;i++) { lcd_drawrect(x, y, width, height);
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));
}
/* clear edge pixels */ /* clear edge pixels */
CLEAR_PIXEL(x,y); lcd_clearpixel(x, y);
CLEAR_PIXEL((x+width-1),y); lcd_clearpixel((x + width - 1), y);
CLEAR_PIXEL(x,(y+height-1)); lcd_clearpixel(x, (y + height - 1));
CLEAR_PIXEL((x+width-1),(y+height-1)); lcd_clearpixel((x + width - 1), (y + height - 1));
/* clear pixels in progress bar */ /* clear pixels in progress bar */
for(i=1;i<=width-2;i++) { lcd_clearrect(x + 1, y + 1, width - 2, height - 2);
for(j=1;j<=height-2;j++) {
CLEAR_PIXEL((x+i),(y+j));
CLEAR_PIXEL((x+i),(y+j));
}
}
/* draw bar */ /* draw bar */
pos=percent; pos = percent;
if(pos<0) if(pos < 0)
pos=0; pos = 0;
if(pos>100) if(pos > 100)
pos=100; pos = 100;
switch (direction) switch (direction)
{ {
case Grow_Right: case Grow_Right:
pos=(width-2)*pos/100; pos=(width - 2) * pos / 100;
for(i=1;i<=pos;i++) lcd_fillrect(x + 1, y + 1, pos, height - 2);
for(j=1;j<height-1;j++)
DRAW_PIXEL((x+i),(y+j));
break; break;
case Grow_Left: case Grow_Left:
pos=(width-2)*(100-pos)/100; pos=(width - 2) * (100 - pos) / 100;
for(i=pos+1;i<=width-2;i++) lcd_fillrect(x + pos, y + 1, width - 1 - pos, height - 2);
for(j=1;j<height-1;j++)
DRAW_PIXEL((x+i),(y+j));
break; break;
case Grow_Down: case Grow_Down:
pos=(height-2)*pos/100; pos=(height - 2) * pos / 100;
for(i=1;i<=pos;i++) lcd_fillrect(x + 1, y + 1, width - 2, pos);
for(j=1;j<width-1;j++)
DRAW_PIXEL((x+j),(y+i));
break; break;
case Grow_Up: case Grow_Up:
pos=(height-2)*(100-pos)/100; pos=(height - 2) * (100 - pos) / 100;
for(i=pos+1;i<=height-2;i++) lcd_fillrect(x + 1, y + pos, width - 2, height - 1 - pos);
for(j=1;j<width-1;j++)
DRAW_PIXEL((x+j),(y+i));
break; 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) void slidebar(int x, int y, int width, int height, int percent, int direction)
{ {
int pos; int pos;
int i,j;
/* draw horizontal lines */ /* draw box */
for(i=x+1;i<=x+width-2;i++) { lcd_drawrect(x, y, width, height);
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));
}
/* clear edge pixels */ /* clear edge pixels */
CLEAR_PIXEL(x,y); lcd_clearpixel(x, y);
CLEAR_PIXEL((x+width-1),y); lcd_clearpixel((x + width - 1), y);
CLEAR_PIXEL(x,(y+height-1)); lcd_clearpixel(x, (y + height - 1));
CLEAR_PIXEL((x+width-1),(y+height-1)); lcd_clearpixel((x + width - 1), (y + height - 1));
/* clear pixels in progress bar */ /* clear pixels in progress bar */
for(i=1;i<=width-2;i++) lcd_clearrect(x + 1, y + 1, width - 2, height - 2);
for(j=1;j<=height-2;j++) {
CLEAR_PIXEL((x+i),(y+j));
CLEAR_PIXEL((x+i),(y+j));
}
/* draw point */ /* draw knob */
pos=percent; pos = percent;
if(pos<0) if(pos < 0)
pos=0; pos = 0;
if(pos>100) if(pos > 100)
pos=100; pos = 100;
switch (direction) switch (direction)
{ {
case Grow_Right: case Grow_Right:
pos=(width-height-1)*pos/100; pos = (width - height) * pos / 100;
break; break;
case Grow_Left: case Grow_Left:
pos=(width-height-1)*(100-pos)/100; pos=(width - height) * (100 - pos) / 100;
break; break;
case Grow_Down: case Grow_Down:
pos=(height-width-1)*pos/100; pos=(height - width) * pos / 100;
break; break;
case Grow_Up: case Grow_Up:
pos=(height-width-1)*(100-pos)/100; pos=(height - width) * (100 - pos) / 100;
break; break;
} }
if(direction == Grow_Left || direction == Grow_Right) if(direction == Grow_Left || direction == Grow_Right)
for(i=1;i<height;i++) lcd_fillrect(x + pos + 1, y + 1, height - 2, height - 2);
for(j=1;j<height;j++)
DRAW_PIXEL((x+pos+i),(y+j));
else else
for(i=1;i<width;i++) lcd_fillrect(x + 1, y + pos + 1, width - 2, width - 2);
for(j=1;j<width;j++) }
DRAW_PIXEL((x+i),(y+pos+j));
/*
* 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 #endif