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xschem
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[Snap Cursor (WIP)]: Experimental feature 'snap_cursor' is updated. Yellow cursor that snaps to the nearest grid point is now available (always active, unless user activates crosshair using ALT+X).

This commit is contained in:
Chayan Deb 2025-01-21 16:37:26 +05:30
parent 7f613294f4
commit 1a7c9e11d1
1 changed files with 32 additions and 3 deletions
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35
src/callback.c
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@ -1433,6 +1433,33 @@ void draw_snap_cursor(int cursor_type)
xctx->draw_pixmap = sdp;
}
/* what == 0 : erase and draw a new cursor
* what == 1 : erase the cursor
* what == 2 : draw a dot-cursor that snaps to a nearest grid-point */
void draw_grid_cursor(int what)
{
int sdw, sdp;
dbg(1, "draw_grid_cursor(): what=%d\n", what);
sdw = xctx->draw_window;
sdp = xctx->draw_pixmap;
if(!xctx->mouse_inside) return;
xctx->draw_pixmap = 0;
xctx->draw_window = 1;
if(what != 2) {
MyXCopyArea(display, xctx->save_pixmap, xctx->window, xctx->gc[0], 0, 0, xctx->xrect[0].width, xctx->xrect[0].height, 0, 0);
}
if(what != 1) {
filledrect(8, NOW, xctx->prev_crossx-1, xctx->prev_crossy-1, xctx->prev_crossx+1, xctx->prev_crossy+1, 3, -1, -1);
}
draw_selection(xctx->gc[SELLAYER], 0);
xctx->prev_crossx = xctx->mousex_snap;
xctx->prev_crossy = xctx->mousey_snap;
xctx->draw_window = sdw;
xctx->draw_pixmap = sdp;
}
/* complete the STARTWIRE, STARTRECT, STARTZOOM, STARTCOPY ... operations */
static int end_place_move_copy_zoom()
{
@ -2377,6 +2404,7 @@ int rstate; /* (reduced state, without ShiftMask) */
case LeaveNotify:
if(draw_xhair) draw_crosshair(1);
else draw_grid_cursor(1);
if(snap_cursor && wire_draw_active) draw_snap_cursor(1);
tclvareval(xctx->top_path, ".drw configure -cursor {}" , NULL);
xctx->mouse_inside = 0;
@ -2445,13 +2473,13 @@ int rstate; /* (reduced state, without ShiftMask) */
}
if(draw_xhair) {
draw_crosshair(1);
}
} else draw_grid_cursor(1);
if(snap_cursor && wire_draw_active) draw_snap_cursor(1);
if(xctx->ui_state & STARTPAN) pan(RUBBER, mx, my);
if(xctx->semaphore >= 2) {
if(draw_xhair) {
draw_crosshair(2);
}
} else draw_grid_cursor(2);
if(snap_cursor && wire_draw_active) draw_snap_cursor(2);
break;
}
@ -2546,7 +2574,7 @@ int rstate; /* (reduced state, without ShiftMask) */
}
if(draw_xhair) {
draw_crosshair(2);
}
} else draw_grid_cursor(2);
if(snap_cursor && wire_draw_active) draw_snap_cursor(2);
break;
@ -4305,6 +4333,7 @@ int rstate; /* (reduced state, without ShiftMask) */
statusmsg(str,1);
}
if(draw_xhair) draw_crosshair(0);
else draw_grid_cursor(0);
if(snap_cursor && wire_draw_active) draw_snap_cursor(0);
break;
case -3: /* double click : edit prop */