//*****************************************************************************
BOOL CALLBACK SnapEnumProc(HWND hwnd, LPARAM lParam)
{
struct snap_info *si = (struct snap_info *)lParam;
if (hwnd != si->self && IsWindowVisible(hwnd))
{
HWND pw = GetParent(hwnd);
if (pw == si->parent)
{
RECT r;
GetWindowRect(hwnd, &r);
r.right -= r.left;
r.bottom -= r.top;
if (pw) ScreenToClient(pw, (POINT*)&r.left);
if (false == si->same_level)
{
r.left += si->h->from1;
r.top += si->v->from1;
}
si->h->to2 = (si->h->to1 = r.left) + r.right;
si->v->to2 = (si->v->to1 = r.top) + r.bottom;
snap_to_edge(si->h, si->v, si->sizing, si->same_level, si->pad);
}
}
return TRUE;
}
int snap_enum_proc(struct button *bp, void *param)
{
struct snap_info *si = (struct snap_info *)param;
if (bp != si->self && 0 == (bp->f & BN_HID))// && bp->typ == BN_BTN)
{
int x, y, w, h;
x = bp->x0;
y = bp->y0;
w = bp->w0;
h = bp->h0;
if (false == si->same_level) {
x += si->h->from1;
y += si->v->from1;
}
si->h->to1 = x;
si->h->to2 = x+w;
si->v->to1 = y;
si->v->to2 = y+h;
snap_to_edge(si->h, si->v, si->sizing, si->same_level, si->pad);
}
return TRUE;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//snap_windows
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
void snap_windows(WINDOWPOS *wp, bool sizing, int *content)
{
int snapdist = plugin_snap_dist;
//int grid = plugin_snap_usegrid ? plugin_snap_gridsize : 0;
int padding = plugin_snap_padding;
if (snapdist < 1) return;
// ------------------------------------------------------
HWND self = wp->hwnd;
HWND parent = GetParent(self);
struct edges h;
struct edges v;
struct snap_info si = { &h, &v, sizing, true, padding, self, parent };
h.dmin = v.dmin = h.def = v.def = snapdist;
h.from1 = wp->x;
h.from2 = h.from1 + wp->cx;
v.from1 = wp->y;
v.from2 = v.from1 + wp->cy;
// ------------------------------------------------------
// snap to grid
/*
if (grid > 1 && (parent || sizing))
{
snap_to_grid(&h, &v, sizing, grid, padding);
}
//else
*/
{
// -----------------------------------------
if (parent)
{
// snap to siblings
EnumChildWindows(parent, SnapEnumProc, (LPARAM)&si);
// snap to frame edges
RECT r;
GetClientRect(parent, &r);
h.to1 = r.left;
h.to2 = r.right;
v.to1 = r.top;
v.to2 = r.bottom;
snap_to_edge(&h, &v, sizing, false, padding);
}
else
{
// snap to top level windows
EnumThreadWindows(GetCurrentThreadId(), SnapEnumProc, (LPARAM)&si);
// snap to screen edges
RECT r;
get_mon_rect(get_monitor(self), &r);
h.to1 = r.left;
h.to2 = r.right;
v.to1 = r.top;
v.to2 = r.bottom;
snap_to_edge(&h, &v, sizing, false, 0);
}
// -----------------------------------------
if (sizing)
{
// snap to button icons
if (content)
{
// images have to be double padded, since they are centered
h.to2 = (h.to1 = h.from1) + content[0];
v.to2 = (v.to1 = v.from1) + content[1];
snap_to_edge(&h, &v, sizing, false, -2*padding);
}
// snap frame to childs
si.same_level = false;
si.pad = -padding;
si.self = NULL;
si.parent = self;
EnumChildWindows(self, SnapEnumProc, (LPARAM)&si);
}
}
// -----------------------------------------
// adjust the window-pos
if (h.dmin < snapdist)
if (sizing) wp->cx += h.omin;
else wp->x += h.omin;
if (v.dmin < snapdist)
if (sizing) wp->cy += v.omin;
else wp->y += v.omin;
}
void snap_button(struct dlg *dlg, struct button *bp, bool sizing, int *content)
{
struct edges h;
struct edges v;
void *parent = NULL;
int snapdist = g_snap_dist;
int grid = g_snap_usegrid ? g_snap_gridsize : 0;
int padding = g_snap_padding;
if (snapdist < 1)
return;
h.dmin = v.dmin = h.def = v.def = snapdist;
h.from2 = (h.from1 = bp->x0) + bp->w0;
v.from2 = (v.from1 = bp->y0) + bp->h0;
// ------------------------------------------------------
// snap to grid
if (grid > 1)// && (parent || sizing))
{
snap_to_grid(&h, &v, sizing, grid, padding);
}
else
{
struct snap_info si;
si.h = &h;
si.v = &v;
si.sizing = sizing;
si.same_level = true;
si.pad = padding;
si.self = bp;
si.parent = parent;
enum_buttons(dlg, snap_enum_proc, &si);
h.to1 = 0;
h.to2 = dlg->w;
v.to1 = 0;
v.to2 = dlg->h;
snap_to_edge(&h, &v, sizing, false, padding);
// -----------------------------------------
if (sizing)
{
// snap to button icons
if (content)
{
// images have to be double padded, since they are centered
h.to2 = (h.to1 = h.from1) + content[0];
v.to2 = (v.to1 = v.from1) + content[1];
snap_to_edge(&h, &v, sizing, false, -2*padding);
}
/*
// snap frame to childs
si.same_level = false;
si.pad = -padding;
si.self = NULL;
si.parent = self;
enum_buttons(dlg, snap_enum_proc, &si);
*/
}
}
// -----------------------------------------
// adjust the window-pos
if (h.dmin < snapdist) {
if (sizing)
bp->w0 += h.omin;
else
bp->x0 += h.omin;
}
if (v.dmin < snapdist) {
if (sizing)
bp->h0 += v.omin;
else
bp->y0 += v.omin;
}
}
