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xschem
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fix graph zoom by area with mouse drag and absolute x positioning of locked graphs that are not vertically aligned

This commit is contained in:
Stefan Frederik 2022-08-19 01:23:45 +02:00
parent 3419db3601
commit 84f9497755
1 changed files with 60 additions and 9 deletions
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69
src/callback.c
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@ -188,10 +188,11 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
Graph_ctx *gr;
const char *val;
int i, need_all_redraw = 0, need_redraw = 0, dataset = 0;
double xx1, xx2, yy1, yy2;
double xx1, xx2, yy1, yy2, tmp;
double delta_threshold = 0.25;
double zoom_m = 0.5;
int save_mouse_at_end = 0, clear_graphpan_at_end = 0;
xRect *r;
#if HAS_CAIRO==1
cairo_save(xctx->cairo_ctx);
cairo_save(xctx->cairo_save_ctx);
@ -200,7 +201,6 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
#endif
gr = &xctx->graph_struct;
for(i=0; i < xctx->rects[GRIDLAYER]; i++) {
xRect *r;
if( (xctx->ui_state & GRAPHPAN) && i != xctx->graph_master) continue;
r = &xctx->rect[GRIDLAYER][i];
/* process only graph boxes */
@ -303,6 +303,34 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
if(gr->master_gx1 == gr->master_gx2) gr->master_gx2 += 1e-6;
gr->master_gw = gr->master_gx2 - gr->master_gx1;
/* parameters for absolute positioning by mouse drag in bottom graph area */
if( event == MotionNotify && (state & Button1Mask) && xctx->graph_bottom ) {
int idx = get_raw_index(find_nth(get_tok_value(r->prop_ptr, "sweep", 0), ", ", 1));
int dset = dataset == -1 ? 0 : dataset;
double wwx1, wwx2, pp, delta, ccx, ddx;
if(idx < 0 ) idx = 0;
delta = gr->gw;
wwx1 = get_raw_value(dset, idx, 0);
wwx2 = get_raw_value(dset, idx, xctx->graph_npoints[dset] - 1);
if(gr->logx) {
wwx1 = mylog10(wwx1);
wwx2 = mylog10(wwx2);
}
ccx = (gr->x2 - gr->x1) / (wwx2 - wwx1);
ddx = gr->x1 - wwx1 * ccx;
pp = (xctx->mousex_snap - ddx) / ccx;
xx1 = pp - delta / 2.0;
xx2 = pp + delta / 2.0;
}
else if(button == Button3 && (xctx->ui_state & GRAPHPAN) && !xctx->graph_left && !xctx->graph_top) {
/* parameters for zoom area by mouse drag */
xx1 = G_X(xctx->mx_double_save);
xx2 = G_X(xctx->mousex_snap);
if(xx2 < xx1) { tmp = xx1; xx1 = xx2; xx2 = tmp; }
if(xx1 == xx2) xx2 += 1e-6;
}
/* second loop: after having determined the master graph do the others */
for(i=0; i< xctx->rects[GRIDLAYER]; i++) {
xRect *r;
@ -397,6 +425,7 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
save_mouse_at_end = 1;
delta = gr->gw;
delta_threshold = 0.01;
/* selected or locked or master */
if( r->sel || !(r->flags & 2) || i == xctx->graph_master) {
if(fabs(xctx->mx_double_save - xctx->mousex_snap) > fabs(gr->cx * delta) * delta_threshold) {
xx1 = gr->gx1 + (xctx->mx_double_save - xctx->mousex_snap) / gr->cx;
@ -430,6 +459,7 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
}
}
} else {
/* selected or locked or master */
if( r->sel || !(r->flags & 2) || i == xctx->graph_master) {
delta = gr->gw;
delta_threshold = 0.05;
@ -488,6 +518,7 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
}
}
} else {
/* selected or locked or master */
if(r->sel || !(r->flags & 2) || i == xctx->graph_master) {
delta = gr->gw;
delta_threshold = 0.05;
@ -553,6 +584,7 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
}
}
} else {
/* selected or locked or master */
if(r->sel || !(r->flags & 2) || i == xctx->graph_master) {
double var = 0.2 * gr->gw;
xx2 = gr->gx2 + var * (1 - zoom_m);
@ -565,6 +597,7 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
}
else if(key == XK_Down) {
if(!xctx->graph_left) {
/* selected or locked or master */
if(r->sel || !(r->flags & 2) || i == xctx->graph_master) {
double var = 0.2 * gr->gw;
xx2 = gr->gx2 + var * (1 - zoom_m);
@ -603,6 +636,7 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
}
}
} else {
/* selected or locked or master */
if(r->sel || !(r->flags & 2) || i == xctx->graph_master) {
double var = 0.2 * gr->gw;
xx2 = gr->gx2 - var * (1 - zoom_m);
@ -615,6 +649,7 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
}
else if(key == XK_Up) {
if(!xctx->graph_left) {
/* selected or locked or master */
if(r->sel || !(r->flags & 2) || i == xctx->graph_master) {
double var = 0.2 * gr->gw;
xx2 = gr->gx2 - var * (1 - zoom_m);
@ -627,7 +662,7 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
}
else if(key == 'f') {
if(xctx->graph_values) {
if(xctx->graph_left) {
if(xctx->graph_left) { /* full Y zoom*/
if(i == xctx->graph_master) {
if(!gr->digital) {
int dset;
@ -707,10 +742,11 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
need_redraw = 1;
}
} /* graph_master */
} else { /* not graph_left */
} else { /* not graph_left, full X zoom*/
int idx = get_raw_index(find_nth(get_tok_value(r->prop_ptr, "sweep", 0), ", ", 1));
int dset = dataset == -1 ? 0 : dataset;
if(idx < 0 ) idx = 0;
/* selected or locked or master */
if(r->sel || !(r->flags & 2) || i == xctx->graph_master) {
xx1 = get_raw_value(dset, idx, 0);
xx2 = get_raw_value(dset, idx, xctx->graph_npoints[dset] -1);
@ -725,13 +761,20 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
}
} /* graph_values */
} /* key == 'f' */
/* absolute positioning by mouse drag in bottom graph area */
else if( event == MotionNotify && (state & Button1Mask) && xctx->graph_bottom ) {
double wwx1, wwx2, p, delta, ccx, ddx;
if(xctx->graph_values) {
/* selected or locked or master */
if(r->sel || !(r->flags & 2) || i == xctx->graph_master) {
/*
* this calculation is done in 1st loop, only for master graph
* and applied to all locked graphs
int idx = get_raw_index(find_nth(get_tok_value(r->prop_ptr, "sweep", 0), ", ", 1));
int dset = dataset == -1 ? 0 : dataset;
double wwx1, wwx2, pp, delta, ccx, ddx;
if(idx < 0 ) idx = 0;
delta = gr->gw;
wwx1 = get_raw_value(dset, idx, 0);
@ -742,9 +785,11 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
}
ccx = (gr->x2 - gr->x1) / (wwx2 - wwx1);
ddx = gr->x1 - wwx1 * ccx;
p = (xctx->mousex_snap - ddx) / ccx;
xx1 = p - delta / 2.0;
xx2 = p + delta / 2.0;
pp = (xctx->mousex_snap - ddx) / ccx;
xx1 = pp - delta / 2.0;
xx2 = pp + delta / 2.0;
*/
my_strdup(1442, &r->prop_ptr, subst_token(r->prop_ptr, "x1", dtoa(xx1)));
my_strdup(1443, &r->prop_ptr, subst_token(r->prop_ptr, "x2", dtoa(xx2)));
need_redraw = 1;
@ -760,14 +805,20 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
/* zoom area by mouse drag */
else if(button == Button3 && (xctx->ui_state & GRAPHPAN) &&
!xctx->graph_left && !xctx->graph_top) {
/* selected or locked or master */
if(r->sel || !(r->flags & 2) || i == xctx->graph_master) {
if(xctx->mx_double_save != xctx->mousex_snap) {
double tmp;
clear_graphpan_at_end = 1;
/*
* this calculation is done in 1st loop above,
* only for graph master and applied to all locked graphs
xx1 = G_X(xctx->mx_double_save);
xx2 = G_X(xctx->mousex_snap);
if(xx2 < xx1) { tmp = xx1; xx1 = xx2; xx2 = tmp; }
if(xx1 == xx2) xx2 += 1e-6;
*/
my_strdup(1440, &r->prop_ptr, subst_token(r->prop_ptr, "x1", dtoa(xx1)));
my_strdup(1441, &r->prop_ptr, subst_token(r->prop_ptr, "x2", dtoa(xx2)));
need_redraw = 1;