winamp/Src/Plugins/General/gen_ml/childwnd.cpp
2024-09-24 14:54:57 +02:00

235 lines
7.0 KiB
C++

#include "main.h"
#include "childwnd.h"
#include "resource.h"
typedef struct _CHILDREMOVERGN
{
HWND hwndParent;
HRGN rgnUpdate;
HRGN rgnChild;
} CHILDREMOVERGN;
static BOOL useDeferWndPos = TRUE;
void childresize_init(HWND hwndDlg, ChildWndResizeItem *list, int num)
{
RECT r;
int x;
useDeferWndPos = (GetVersion() < 0x80000000);
GetClientRect(hwndDlg, &r);
for (x = 0; x < num; x ++)
{
RECT r2;
GetWindowRect(GetDlgItem(hwndDlg,list[x].id), &r2);
MapWindowPoints(HWND_DESKTOP, hwndDlg, (LPPOINT)&r2, 2);
list[x].rinfo.left = (0xF000 & list[x].type) ? (r.right - r2.left) : r2.left;
list[x].rinfo.top = (0x0F00 & list[x].type) ? (r.bottom -r2.top) : r2.top;
list[x].rinfo.right = (0x00F0 & list[x].type) ? (r.right - r2.right) : r2.right;
list[x].rinfo.bottom= (0x000F & list[x].type) ? (r.bottom - r2.bottom) : r2.bottom;
list[x].type |= 0xF0000;
}
}
BOOL CALLBACK childresize_enumRemoveRegion(HWND hwnd, LPARAM lParam)
{
if (IsWindowVisible(hwnd) && GetParent(hwnd) == ((CHILDREMOVERGN*)lParam)->hwndParent)
{
RECT r;
GetWindowRect(hwnd, &r);
MapWindowPoints(HWND_DESKTOP, ((CHILDREMOVERGN*)lParam)->hwndParent, (LPPOINT)&r, 2);
SetRectRgn(((CHILDREMOVERGN*)lParam)->rgnChild, r.left, r.top, r.right, r.bottom);
CombineRgn(((CHILDREMOVERGN*)lParam)->rgnUpdate, ((CHILDREMOVERGN*)lParam)->rgnUpdate, ((CHILDREMOVERGN*)lParam)->rgnChild, RGN_DIFF);
}
return TRUE;
}
void childresize_resize_to_rectlist(HWND hwndDlg, ChildWndResizeItem *list, int num, RECT *rectout)
{
RECT r;
int x;
GetClientRect(hwndDlg,&r);
for (x = 0; x < num; x ++) if (list[x].type&0xf0000)
{
RECT r2;
if (list[x].type&0xF000) r2.left=r.right-list[x].rinfo.left;
else r2.left=list[x].rinfo.left;
if (list[x].type&0x0F00) r2.top=r.bottom-list[x].rinfo.top;
else r2.top=list[x].rinfo.top;
if (list[x].type&0x00F0) r2.right=r.right-list[x].rinfo.right;
else r2.right=list[x].rinfo.right;
if (list[x].type&0x000F) r2.bottom=r.bottom-list[x].rinfo.bottom;
else r2.bottom=list[x].rinfo.bottom;
*rectout = r2;
rectout++;
}
}
void childresize_resize_from_rectlist(HWND hwndDlg, ChildWndResizeItem *list, int num, RECT *rectin)
{
RECT r, *pr;
CHILDREMOVERGN crr;
int x;
HDWP hdwp;
HWND h;
GetClientRect(hwndDlg,&r);
crr.hwndParent = hwndDlg;
crr.rgnUpdate = CreateRectRgnIndirect(&r);
crr.rgnChild = CreateRectRgn(0,0,0,0);
EnumChildWindows(hwndDlg,&childresize_enumRemoveRegion,(LPARAM)&crr);
hdwp = (useDeferWndPos) ? BeginDeferWindowPos(num) : NULL;
for (pr = rectin, x = 0; x < num && hdwp; x ++)
{
if (0xF0000 & list[x].type)
{
h = GetDlgItem(hwndDlg,list[x].id);
if (h && pr) hdwp = DeferWindowPos(hdwp, h, NULL, pr->left, pr->top, pr->right - pr->left, pr->bottom - pr->top, SWP_NOZORDER | SWP_NOACTIVATE);
pr++;
}
}
if (hdwp) EndDeferWindowPos(hdwp);
else
{
for (pr = rectin, x = 0; x < num; x ++)
{
if (0xF0000 & list[x].type)
{
h = GetDlgItem(hwndDlg,list[x].id);
if (h && pr) SetWindowPos(h, NULL, pr->left, pr->top, pr->right - pr->left, pr->bottom - pr->top, SWP_NOZORDER | SWP_NOACTIVATE);
pr++;
}
}
}
EnumChildWindows(hwndDlg,&childresize_enumRemoveRegion,(LPARAM)&crr);
InvalidateRgn(hwndDlg, crr.rgnUpdate, TRUE);
DeleteObject(crr.rgnUpdate);
DeleteObject(crr.rgnChild);
}
void childresize_resize(HWND hwndDlg, ChildWndResizeItem *list, int num)
{
RECT rc, rw;
CHILDREMOVERGN crr;
int x, y, cx, cy;
DWORD flags;
HDWP hdwp;
ChildWndResizeItem *pi;
GetClientRect(hwndDlg,&rc);
crr.hwndParent = hwndDlg;
crr.rgnUpdate = CreateRectRgnIndirect(&rc);
crr.rgnChild = CreateRectRgn(0,0,0,0);
EnumChildWindows(hwndDlg,&childresize_enumRemoveRegion,(LPARAM)&crr);
hdwp = (useDeferWndPos) ? BeginDeferWindowPos(num) : NULL;
for (pi = list + num - 1; pi >= list && (!useDeferWndPos || hdwp); pi--)
{
HWND hwnd = GetDlgItem(hwndDlg, pi->id);
if (hwnd && (0xF0000 & pi->type))
{
x = (0xF000 & pi->type) ? (rc.right - pi->rinfo.left) : pi->rinfo.left;
y = (0x0F00 & pi->type) ? (rc.bottom - pi->rinfo.top) : pi->rinfo.top;
cx = ((0x00F0 & pi->type) ? (rc.right - pi->rinfo.right) : pi->rinfo.right) - x;
cy = ((0x000F & pi->type) ? (rc.bottom - pi->rinfo.bottom) : pi->rinfo.bottom) - y;
flags = SWP_NOZORDER | SWP_NOACTIVATE;
GetWindowRect(hwnd, &rw);
MapWindowPoints(HWND_DESKTOP, hwndDlg, (LPPOINT)&rw, 2);
if (rw.left == x && rw.top == y) flags |= SWP_NOMOVE;
if (rw.right == (x + cx) && rw.bottom == (y + cy)) flags |= SWP_NOSIZE;
if ((SWP_NOSIZE | SWP_NOMOVE) != ((SWP_NOSIZE | SWP_NOMOVE) & flags))
{
if (useDeferWndPos) hdwp = DeferWindowPos(hdwp, hwnd, NULL, x, y, cx, cy, flags);
else SetWindowPos( hwnd, NULL, x, y, cx, cy, flags);
}
}
}
if (hdwp) EndDeferWindowPos(hdwp);
EnumChildWindows(hwndDlg,&childresize_enumRemoveRegion,(LPARAM)&crr);
InvalidateRgn(hwndDlg, crr.rgnUpdate, TRUE);
DeleteObject(crr.rgnUpdate);
DeleteObject(crr.rgnChild);
}
void childresize_resize2(HWND hwndDlg, ChildWndResizeItem *list, int num, BOOL fRedraw, HRGN rgnUpdate)
{
RECT rc, rw;
CHILDREMOVERGN crr;
int x, y, cx, cy;
DWORD flags;
HDWP hdwp;
ChildWndResizeItem *pi;
GetClientRect(hwndDlg,&rc);
crr.hwndParent = hwndDlg;
crr.rgnUpdate = CreateRectRgnIndirect(&rc);
crr.rgnChild = CreateRectRgn(0,0,0,0);
// EnumChildWindows(hwndDlg,&childresize_enumRemoveRegion,(LPARAM)&crr);
hdwp = (useDeferWndPos) ? BeginDeferWindowPos(num) : NULL;
for (pi = list + num - 1; pi >= list && (!useDeferWndPos || hdwp); pi--)
{
HWND hwnd = GetDlgItem(hwndDlg, pi->id);
if (hwnd && (0xF0000 & pi->type))
{
x = (0xF000 & pi->type) ? (rc.right - pi->rinfo.left) : pi->rinfo.left;
y = (0x0F00 & pi->type) ? (rc.bottom - pi->rinfo.top) : pi->rinfo.top;
cx = ((0x00F0 & pi->type) ? (rc.right - pi->rinfo.right) : pi->rinfo.right) - x;
cy = ((0x000F & pi->type) ? (rc.bottom - pi->rinfo.bottom) : pi->rinfo.bottom) - y;
flags = SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW;
GetWindowRect(hwnd, &rw);
MapWindowPoints(HWND_DESKTOP, hwndDlg, (LPPOINT)&rw, 2);
if (rw.left == x && rw.top == y) flags |= SWP_NOMOVE;
if (rw.right == (x + cx) && rw.bottom == (y + cy)) flags |= SWP_NOSIZE;
if ((SWP_NOSIZE | SWP_NOMOVE) != ((SWP_NOSIZE | SWP_NOMOVE) & flags))
{
if (useDeferWndPos) hdwp = DeferWindowPos(hdwp, hwnd, NULL, x, y, cx, cy, flags);
else SetWindowPos( hwnd, NULL, x, y, cx, cy, flags);
}
else
{
SetRectRgn(crr.rgnChild, rw.left, rw.top, rw.right, rw.bottom);
CombineRgn(crr.rgnUpdate, crr.rgnUpdate, crr.rgnChild, RGN_DIFF);
}
}
}
if (hdwp) EndDeferWindowPos(hdwp);
// EnumChildWindows(hwndDlg,&childresize_enumRemoveRegion,(LPARAM)&crr);
if (fRedraw)
{
InvalidateRgn(hwndDlg, crr.rgnUpdate, TRUE);
RedrawWindow(hwndDlg, NULL, crr.rgnUpdate, RDW_INVALIDATE | RDW_UPDATENOW | RDW_ERASENOW | RDW_ERASE | RDW_ALLCHILDREN);
//RedrawWindow(hwndDlg, NULL, crr.rgnUpdate, RDW_INVALIDATE | RDW_UPDATENOW | RDW_ERASENOW | RDW_FRAME | RDW_ALLCHILDREN);
}
DeleteObject(crr.rgnUpdate);
DeleteObject(crr.rgnChild);
}