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alder_lake_bios/Insyde/InsydeSetupPkg/Drivers/H2ODisplayEngineLocalMetroDxe/UiLib/UiScrollView.c

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/** @file
UI Common Controls
;******************************************************************************
;* Copyright (c) 2012 - 2020, Insyde Software Corp. All Rights Reserved.
;*
;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
;* transmit, broadcast, present, recite, release, license or otherwise exploit
;* any part of this publication in any form, by any means, without the prior
;* written permission of Insyde Software Corporation.
;*
;******************************************************************************
*/
#include "UiControls.h"
STATIC UI_SCROLL_VIEW_CLASS *mScrollViewClass = NULL;
#define CURRENT_CLASS mScrollViewClass
VOID
UiScrollViewSetPosition (
UI_CONTROL *Control,
CONST RECT *Pos
)
{
UI_VERTICAL_LAYOUT *This;
UI_CONTROL *Item;
RECT Rc;
RECT ItemRc;
SIZE Size;
UINT32 Top;
UINT32 Expand;
SIZE Available;
SIZE ItemSize;
BOOLEAN EnableScroll;
INT32 ScrollBarWidth;
Size.cx = 0;
Size.cy = 0;
Expand = 0;
This = (UI_VERTICAL_LAYOUT *) Control;
ShowSetPositionDbgInfo (Control, Pos);
GetWindowRect(Control->Wnd, &Rc);
MapWindowPoints(HWND_DESKTOP, GetParent(Control->Wnd), (LPPOINT) &Rc, 2);
if (!EqualRect (&Rc, Pos)) {
ShowSetPositionDbgInfo (Control, Pos);
MoveWindow (Control->Wnd, Pos->left, Pos->top, Pos->right - Pos->left, Pos->bottom - Pos->top, TRUE);
CONTROL_CLASS_INVALIDATE (This);
Control->NeedUpdateChildPos = TRUE;
}
if (Control->ItemCount == 0) {
return ;
}
if ((GetWindowLongPtr (Control->Items[0]->Wnd, GWL_STYLE) & WS_VISIBLE) == 0) {
return ;
}
if (!Control->NeedUpdateChildPos) {
return ;
}
Control->NeedUpdateChildPos = FALSE;
CopyRect (&Rc, Pos);
OffsetRect (&Rc, -Rc.left, -Rc.top);
Rc.left += (GetControlPaddingLeft (Control) + GetControlBorderLeft (Control) );
Rc.top += (GetControlPaddingTop (Control) + GetControlBorderTop (Control) );
Rc.right -= (GetControlPaddingRight (Control) + GetControlBorderRight (Control) );
Rc.bottom -= (GetControlPaddingBottom (Control) + GetControlBorderBottom (Control));
if (Rc.left > Rc.right) {
Rc.left = Rc.right;
}
if (Rc.top > Rc.bottom) {
Rc.top = Rc.bottom;
}
Available.cx = Rc.right - Rc.left;
Available.cy = Rc.bottom - Rc.top;
Item = Control->Items[0];
Top = Rc.top;
EnableScroll = FALSE;
Item->Available = Available;
Size = CONTROL_CLASS (Item)->EstimateSize (Item, Available);
if (Size.cy == 0) {
ItemSize.cy = Available.cy;
} else if (Size.cy == MATCH_PARENT) {
ItemSize.cy = Rc.bottom - Top;
} else {
ItemSize.cy = Size.cy;
}
if ((Size.cx == 0) || (Size.cx == MATCH_PARENT)) {
ItemSize.cx = Available.cx;
} else {
ItemSize.cx = Size.cx;
}
if (Control->VScrollBar != NULL) {
if ((UINT32)ItemSize.cy > (UINT32) Available.cy) {
EnableScroll = TRUE;
}
}
if (Control->VScrollBar == NULL || !EnableScroll) {
ItemRc.left = Rc.left;
ItemRc.top = Top;
ItemRc.right = ItemRc.left + ItemSize.cx;
ItemRc.bottom = ItemRc.top + ItemSize.cy;
mSetPositionLevel++;
CONTROL_CLASS (Item)->SetPosition (Item, &ItemRc);
mSetPositionLevel--;
if (Control->VScrollBar != NULL) {
UiSetAttribute (Control->VScrollBar, L"visibility", L"false");
}
return ;
}
UiSetAttribute (Control->VScrollBar, L"visibility", L"true");
ScrollBarWidth = Control->VScrollBar->Control.Width.Value;
Available.cx -= ScrollBarWidth;
Item->Available = Available;
Size = CONTROL_CLASS (Item)->EstimateSize (Item, Available);
if (Size.cy == 0) {
ItemSize.cy = Available.cy;
} else if (Size.cy == MATCH_PARENT) {
ItemSize.cy = Rc.bottom - Top;
} else {
ItemSize.cy = Size.cy;
}
if ((Size.cx == 0) || (Size.cx == MATCH_PARENT)) {
ItemSize.cx = Available.cx;
} else {
ItemSize.cx = Size.cx;
}
Top -= Control->ScrollPos.y;
Control->VScrollBar->Range = ItemSize.cy - Available.cy;
//
// child item
//
ItemRc.left = Rc.left;
ItemRc.top = Top;
ItemRc.right = ItemRc.left + ItemSize.cx;
ItemRc.bottom = ItemRc.top + ItemSize.cy;
mSetPositionLevel++;
CONTROL_CLASS (Item)->SetPosition (Item, &ItemRc);
mSetPositionLevel--;
//
// scrollbar
//
ItemRc.left = Rc.right - ScrollBarWidth;
ItemRc.top = 0;
ItemRc.right = ItemRc.left + ScrollBarWidth;
ItemRc.bottom = Rc.bottom;
CONTROL_CLASS (Control->VScrollBar)->SetPosition ((UI_CONTROL *)Control->VScrollBar, &ItemRc);
}
BOOLEAN
EFIAPI
UiScrollViewSetAttribute (
UI_CONTROL *Control,
CHAR16 *Name,
CHAR16 *Value
)
{
UI_SCROLL_VIEW *This;
This = (UI_SCROLL_VIEW *) Control;
if (StrCmp (Name, L"scrollbarThumbVertical") == 0) {
if (Control->VScrollBar != NULL) {
UiSetAttribute (Control->VScrollBar, L"thumb", Value);
}
} else if (StrCmp (Name, L"scrollbarTrackVertical") == 0) {
if (Control->VScrollBar != NULL) {
UiSetAttribute (Control->VScrollBar, L"track", Value);
}
} else {
return PARENT_CLASS_SET_ATTRIBUTE (CURRENT_CLASS, Control, Name, Value);
}
CONTROL_CLASS_INVALIDATE (This);
return TRUE;
}
LRESULT
EFIAPI
UiScrollViewKeyDown (
UI_SCROLL_VIEW *This,
WPARAM WParam,
LPARAM LParam
)
{
UI_CONTROL *Control;
UI_SCROLLBAR *VScrollBar;
Control = (UI_CONTROL *) This;
VScrollBar = Control->VScrollBar;
switch (WParam) {
case VK_DOWN:
SCROLLBAR_CLASS(VScrollBar)->SetScrollPos (VScrollBar, VScrollBar->ScrollPos + VScrollBar->LineSize);
break;
case VK_UP:
SCROLLBAR_CLASS(VScrollBar)->SetScrollPos (VScrollBar, VScrollBar->ScrollPos - VScrollBar->LineSize);
break;
default:
break;
}
return 0;
}
LRESULT
EFIAPI
UiScrollViewProc (
HWND Wnd,
UINT32 Msg,
WPARAM WParam,
LPARAM LParam
)
{
UI_SCROLL_VIEW *This;
UI_CONTROL *Control;
This = (UI_SCROLL_VIEW *) GetWindowLongPtr (Wnd, 0);
if (This == NULL && Msg != WM_CREATE && Msg != WM_NCCALCSIZE) {
ASSERT (FALSE);
return 0;
}
Control = (UI_CONTROL *)This;
switch (Msg) {
case WM_CREATE:
This = (UI_SCROLL_VIEW *) AllocateZeroPool (sizeof (*CURRENT_CLASS));
if (This != NULL) {
CONTROL_CLASS (This) = (UI_CONTROL_CLASS *) GetClassLongPtr (Wnd, 0);
SetWindowLongPtr (Wnd, 0, (INTN)This);
SendMessage (Wnd, UI_NOTIFY_CREATE, WParam, LParam);
}
break;
case UI_NOTIFY_CREATE:
PARENT_CLASS_WNDPROC (CURRENT_CLASS, Wnd, Msg, WParam, LParam);
SetWindowLongPtr (
Control->Wnd,
GWL_EXSTYLE, GetWindowLongPtr (Control->Wnd, GWL_EXSTYLE) & ~WS_EX_NOACTIVATE
);
UiSetAttribute (Control, L"tabstop", L"true");
break;
case WM_NCHITTEST:
if (Control->VScrollBar != NULL) {
return HTCLIENT;
}
return HTTRANSPARENT;
case WM_KEYDOWN:
UiScrollViewKeyDown (This, WParam, LParam);
break;
default:
return PARENT_CLASS_WNDPROC (CURRENT_CLASS, Wnd, Msg, WParam, LParam);
}
return 0;
}
UI_SCROLL_VIEW_CLASS *
EFIAPI
GetScrollViewClass (
VOID
)
{
if (CURRENT_CLASS != NULL) {
return CURRENT_CLASS;
}
InitUiClass ((UI_CONTROL_CLASS **)&CURRENT_CLASS, sizeof (*CURRENT_CLASS), L"ScrollView", (UI_CONTROL_CLASS *)GetControlClass());
if (CURRENT_CLASS == NULL) {
return NULL;
}
((UI_CONTROL_CLASS *)CURRENT_CLASS)->WndProc = UiScrollViewProc;
((UI_CONTROL_CLASS *)CURRENT_CLASS)->SetAttribute = UiScrollViewSetAttribute;
((UI_CONTROL_CLASS *)CURRENT_CLASS)->SetPosition = UiScrollViewSetPosition;
return CURRENT_CLASS;
}
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