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Fix behavior of vertical sliders.

pull/116/head
Jonathan Moore Liles 2013-10-12 15:38:45 -07:00
parent 23107541c8
commit 1aafc5330f
2 changed files with 72 additions and 77 deletions
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146
FL/Fl_SliderX.C
View File

@ -26,88 +26,90 @@
void
Fl_SliderX::draw ( int X, int Y, int W, int H)
{
slider_size( horizontal() ? H / (float)W : W / (float)H );
int act = active_r();
if (damage()&FL_DAMAGE_ALL) draw_box();
int ww = (horizontal() ? W : H);
int hh = (horizontal() ? H : W);
int xx, S;
int ww = (horizontal() ? W : H);
int hh = (horizontal() ? H : W);
int xx, S;
xx = slider_position( value(), ww );
xx = slider_position( value(), ww );
S = (horizontal() ? H : W );
S = (horizontal() ? H : W );
int xsl, ysl, wsl, hsl;
if (horizontal()) {
xsl = X+xx;
wsl = S;
ysl = Y + hh/2;
hsl = hh/4;
} else {
ysl = Y+xx;
hsl = S;
xsl = X + hh/2;
wsl = hh/4;
}
int xsl, ysl, wsl, hsl;
if (horizontal()) {
xsl = X+xx;
wsl = S;
ysl = Y + hh/2;
hsl = hh/4;
} else {
ysl = Y+xx;
hsl = S;
xsl = X + hh/2;
wsl = hh/4;
}
{
fl_push_clip(X, Y, W, H);
draw_box();
fl_pop_clip();
}
//draw_bg(X, Y, W, H);
{
fl_push_clip(X, Y, W, H);
draw_box();
fl_pop_clip();
}
//draw_bg(X, Y, W, H);
fl_line_style( FL_SOLID, hh/6 );
fl_line_style( FL_SOLID, hh/6 );
Fl_Color c = fl_darker(color());
Fl_Color c = fl_darker(color());
if ( !act )
c = fl_inactive(c);
if ( !act )
c = fl_inactive(c);
fl_color(c);
fl_color(c);
if ( horizontal() )
fl_line ( X + S/2, Y + hh/2, X + W - S/2, Y + hh/2 );
else
fl_line ( X + hh/2, Y + S/2, X + hh/2, Y + H - S/2 );
if ( horizontal() )
fl_line ( X + S/2, Y + hh/2, X + W - S/2, Y + hh/2 );
else
fl_line ( X + hh/2, Y + S/2, X + hh/2, Y + H - S/2 );
c = selection_color();
c = selection_color();
if ( !act )
c = fl_inactive(c);
if ( !act )
c = fl_inactive(c);
fl_color( c );
fl_color( c );
if ( horizontal() )
fl_line ( X + S/2, ysl, xsl + S/2, ysl );
else
fl_line ( X + S/2, Y + H - S/2, xsl, ysl + (S/2) );
if ( horizontal() )
fl_line ( X + S/2, ysl, xsl + S/2, ysl );
else
fl_line ( X + S/2, Y + H - S/2, xsl, ysl + (S/2) );
fl_line_style( FL_SOLID, 0 );
fl_line_style( FL_SOLID, 0 );
if ( act )
{
fl_push_matrix();
if ( horizontal() )
fl_translate( xsl + (hh/2), ysl);
else
fl_translate( xsl, ysl + (hh/2) );
if ( act )
{
fl_push_matrix();
if ( horizontal() )
fl_translate( xsl + (hh/2), ysl);
else
fl_translate( xsl, ysl + (hh/2) );
fl_color( fl_color_add_alpha( FL_WHITE, 127 ));
fl_begin_polygon(); fl_circle(0.0,0.0, hh/3); fl_end_polygon();
fl_color( FL_WHITE );
fl_begin_polygon(); fl_circle(0.0,0.0, hh/6); fl_end_polygon();
fl_color( fl_color_add_alpha( FL_WHITE, 127 ));
fl_begin_polygon(); fl_circle(0.0,0.0, hh/3); fl_end_polygon();
fl_color( FL_WHITE );
fl_begin_polygon(); fl_circle(0.0,0.0, hh/6); fl_end_polygon();
fl_pop_matrix();
}
fl_pop_matrix();
}
draw_label(xsl, ysl, wsl, hsl);
draw_label(xsl, ysl, wsl, hsl);
if (Fl::focus() == this) {
draw_focus();
}
if (Fl::focus() == this) {
draw_focus();
}
/* draw(x()+Fl::box_dx(box()), */
/* y()+Fl::box_dy(box()), */
@ -125,7 +127,7 @@ Fl_SliderX::slider_position ( double value, int w )
if (B == A) return 0;
bool flip = B < A;
if (flip) {A = B; B = minimum();}
if (!horizontal()) flip = !flip;
// if (!horizontal()) flip = !flip;
// if both are negative, make the range positive:
if (B <= 0) {flip = !flip; double t = A; A = -B; B = -t; value = -value;}
double fraction;
@ -161,7 +163,7 @@ Fl_SliderX::slider_value ( int X, int w )
double B = maximum();
bool flip = B < A;
if (flip) {A = B; B = minimum();}
if (!horizontal()) flip = !flip;
// if (!horizontal()) flip = !flip;
if (flip) X = w-X;
double fraction = double(X)/w;
if (fraction <= 0) return A;
@ -223,12 +225,11 @@ int Fl_SliderX::handle(int event, int X, int Y, int W, int H) {
int ww = (horizontal() ? W : H);
if ( event == FL_PUSH )
{
int x = slider_position( value(), ww );
offcenter = (Fl::event_x()-X) - x;
offcenter = (horizontal() ? (Fl::event_x()-X) - x : (Fl::event_y()-Y) - x );
}
try_again:
@ -236,10 +237,15 @@ int Fl_SliderX::handle(int event, int X, int Y, int W, int H) {
int mx = (horizontal() ? Fl::event_x()-X : Fl::event_y()-Y) - offcenter;
double v = slider_value( mx, ww );
if (event == FL_PUSH && v == value()) {
offcenter = int(slider_size()*ww+0.5)/2;
event = FL_DRAG;
goto try_again;
if (event == FL_PUSH ) // && v == value()) {
{
int os = int(slider_size()*ww+0.5)/2;
if ( abs( offcenter ) > os )
{
offcenter = os;
event = FL_DRAG;
goto try_again;
}
}
handle_drag(clamp(v));
@ -333,11 +339,3 @@ int Fl_SliderX::handle(int event) {
w()-Fl::box_dw(box()),
h()-Fl::box_dh(box()));
}
void
Fl_SliderX::resize ( int X, int Y, int W, int H )
{
Fl_Slider::resize(X,Y,W,H);
slider_size( horizontal() ? H / (float)W : W / (float)H );
}

3
FL/Fl_SliderX.H
View File

@ -47,7 +47,4 @@ public:
virtual int handle(int event, int X, int Y, int W, int H);
virtual int handle(int event);
virtual void resize ( int X, int Y, int W, int H );
};