109 lines
3.0 KiB
HolyC
Executable File
109 lines
3.0 KiB
HolyC
Executable File
/*Done with <CTRL-SHIFT-L> template code
|
|
that was modified.
|
|
|
|
This is an advanced demo that shows
|
|
that you can place ctrls on the
|
|
wall paper.
|
|
|
|
See $LK,"::/Demo/Graphics/Slider.HC"$
|
|
and $LK,"::/Demo/Graphics/WallPaperFish.HC"$
|
|
before messing with this program.
|
|
|
|
It must be "Adam Included".
|
|
*/
|
|
|
|
#define SLIDER_RANGE 30
|
|
#define SLIDER_SPACING 20
|
|
#define SLIDER_BORDER 2
|
|
|
|
class CSliderState
|
|
{
|
|
I64 left_pos;
|
|
I64 right_pos;
|
|
};
|
|
|
|
U0 DrawCtrlSlider(CDC *dc,CCtrl *c)
|
|
{
|
|
CSliderState *s=c->state;
|
|
|
|
dc->color=LTRED;
|
|
GrRect(dc, c->left,c->top,SLIDER_SPACING*3+2,SLIDER_SPACING*2+SLIDER_RANGE);
|
|
dc->color=BLUE;
|
|
GrRect(dc, c->left+SLIDER_BORDER,c->top+SLIDER_BORDER,
|
|
SLIDER_SPACING*3+2-2*SLIDER_BORDER,
|
|
SLIDER_SPACING*2+SLIDER_RANGE-2*SLIDER_BORDER);
|
|
dc->color=BLACK;
|
|
GrLine(dc,c->left+1*SLIDER_SPACING+0,c->top+SLIDER_SPACING,
|
|
c->left+1*SLIDER_SPACING+0,c->top+SLIDER_SPACING+SLIDER_RANGE-1);
|
|
GrLine(dc,c->left+2*SLIDER_SPACING+1,c->top+SLIDER_SPACING,
|
|
c->left+2*SLIDER_SPACING+1,c->top+SLIDER_SPACING+SLIDER_RANGE-1);
|
|
dc->color=LTRED;
|
|
GrPrint(dc,c->left+1*SLIDER_SPACING+0-FONT_WIDTH/2,
|
|
c->top+SLIDER_SPACING+SLIDER_RANGE+3,
|
|
"%d",s->left_pos*10/SLIDER_RANGE);
|
|
GrPrint(dc,c->left+2*SLIDER_SPACING+1-FONT_WIDTH/2,
|
|
c->top+SLIDER_SPACING+SLIDER_RANGE+3,
|
|
"%d",s->right_pos*10/SLIDER_RANGE);
|
|
GrRect(dc,c->left+1*SLIDER_SPACING+0-3,
|
|
c->top+SLIDER_SPACING+SLIDER_RANGE-1-s->left_pos-2,7,5);
|
|
GrRect(dc,c->left+2*SLIDER_SPACING+1-3,
|
|
c->top+SLIDER_SPACING+SLIDER_RANGE-1-s->right_pos-2,7,5);
|
|
dc->color=YELLOW;
|
|
GrRect(dc,c->left+1*SLIDER_SPACING+0-2,
|
|
c->top+SLIDER_SPACING+SLIDER_RANGE-1-s->left_pos-1,5,3);
|
|
GrRect(dc,c->left+2*SLIDER_SPACING+1-2,
|
|
c->top+SLIDER_SPACING+SLIDER_RANGE-1-s->right_pos-1,5,3);
|
|
}
|
|
|
|
U0 UpdateDerivedCtrlSlider(CCtrl *c)
|
|
{
|
|
CSliderState *s=c->state;
|
|
c->left=c->win_task->pix_width/2-(SLIDER_SPACING*3+2)/2;
|
|
c->right=c->left+3*SLIDER_SPACING+2;
|
|
c->top=c->win_task->pix_height/2-(SLIDER_SPACING*2+SLIDER_RANGE)/2;
|
|
c->bottom=c->top+SLIDER_SPACING*2+SLIDER_RANGE;
|
|
s->left_pos=ClampI64(s->left_pos,0,SLIDER_RANGE-1);
|
|
s->right_pos=ClampI64(s->right_pos,0,SLIDER_RANGE-1);
|
|
}
|
|
|
|
U0 LeftClickSlider(CCtrl *c,I64 x,I64 y,Bool)
|
|
{
|
|
CSliderState *s=c->state;
|
|
if (x<c->left+1*SLIDER_SPACING+0+SLIDER_SPACING/2)
|
|
s->left_pos=SLIDER_RANGE-1-(y-(c->top+SLIDER_SPACING));
|
|
else
|
|
s->right_pos=SLIDER_RANGE-1-(y-(c->top+SLIDER_SPACING));
|
|
if (c->update_derived_vals)
|
|
(*c->update_derived_vals)(c);
|
|
}
|
|
|
|
CCtrl *SliderNew()
|
|
{
|
|
CCtrl *c;
|
|
if (Fs!=adam_task) {
|
|
"Must be Adam Included with SHIFT-F5.\n"
|
|
"(Would crash when code mem was freed.)\n";
|
|
return NULL;
|
|
}
|
|
c=ACAlloc(sizeof(CCtrl));
|
|
c->win_task=sys_winmgr_task;
|
|
c->flags=CTRLF_SHOW|CTRLF_CAPTURE_LEFT_MS;
|
|
c->type=CTRLT_GENERIC;
|
|
c->state=ACAlloc(sizeof(CSliderState));
|
|
c->draw_it=&DrawCtrlSlider;
|
|
c->left_click=&LeftClickSlider;
|
|
c->update_derived_vals=&UpdateDerivedCtrlSlider;
|
|
QueIns(c,sys_winmgr_task->last_ctrl);
|
|
TaskDerivedValsUpdate;
|
|
return c;
|
|
}
|
|
|
|
U0 SliderDel(CCtrl *c)
|
|
{
|
|
QueRem(c);
|
|
Free(c->state);
|
|
Free(c);
|
|
}
|
|
|
|
SliderNew;
|