Initial

2024-08-07 09:16:27 -04:00
parent fdfadd5c7e
commit 5f971cf684
5200 changed files with 731717 additions and 0 deletions
--- a/guitar/ScrollInfo.cpp
+++ b/guitar/ScrollInfo.cpp
@@ -0,0 +1,136 @@
+#include <guitar/scrollinfo.hpp>
+
+bool ScrollInfo::pageDown(void)
+{
+  int yDelta;
+	int yNew;
+  int xDelta;
+
+	xDelta=0;
+  yNew=currScrolly()+PageIncrement;
+	yNew=imax(0,yNew);
+	yNew=imin(maxScrolly(),yNew);
+	if(yNew==currScrolly())return false;
+	scrollEvent(TRUE);
+	yDelta=yNew-currScrolly();
+	currScrolly(yNew);
+	::ScrollWindow(hwndOwner(),-xDelta,-yDelta,(const RECT*)0,(const RECT*)0);
+	::UpdateWindow(hwndOwner());
+	::SetScrollPos(hwndOwner(),SB_VERT,currScrolly(),TRUE);
+	return true;
+}
+
+bool ScrollInfo::pageUp(void)
+{
+  int yDelta;
+	int yNew;
+  int xDelta;
+
+	xDelta=0;
+  yNew=currScrolly()-PageIncrement;
+	yNew=imax(0,yNew);
+	yNew=imin(maxScrolly(),yNew);
+	if(yNew==currScrolly())return false;
+	scrollEvent(TRUE);
+	yDelta=yNew-currScrolly();
+	currScrolly(yNew);
+	::ScrollWindow(hwndOwner(),-xDelta,-yDelta,(const RECT*)0,(const RECT*)0);
+	::UpdateWindow(hwndOwner());
+	::SetScrollPos(hwndOwner(),SB_VERT,currScrolly(),TRUE);
+	return true;
+}
+
+void ScrollInfo::handleHorizontalScroll(CallbackData &someCallbackData)
+{
+  int xDelta;
+	int yDelta;
+	int xNew;
+
+	yDelta=0;
+	switch(LOWORD(someCallbackData.wParam()))
+	{
+	  case SB_PAGEUP :
+		  xNew=currScrollx()-PageIncrement;
+		  break;
+		case SB_PAGEDOWN :
+		  xNew=currScrollx()+PageIncrement;
+		  break;
+		case SB_LINEUP :
+		  xNew=currScrollx()-LineIncrement;
+		  break;
+		case SB_LINEDOWN :
+		  xNew=currScrollx()+LineIncrement;
+		  break;
+		case SB_THUMBPOSITION :
+		  xNew=	HIWORD(someCallbackData.wParam());
+		  break;
+		default :
+		  xNew=currScrollx();
+			break;
+	}
+	xNew=imax(0,xNew);
+	xNew=imin(maxScrollx(),xNew);
+	if(xNew==currScrollx())return;
+	scrollEvent(TRUE);
+	xDelta=xNew-currScrollx();
+	currScrollx(xNew);
+	::ScrollWindow(hwndOwner(),-xDelta,-yDelta,(const RECT*)0,(const RECT*)0);
+	::UpdateWindow(hwndOwner());
+	::SetScrollPos(hwndOwner(),SB_HORZ,currScrollx(),TRUE);
+}
+
+void ScrollInfo::handleVerticalScroll(CallbackData &someCallbackData)
+{
+  int yDelta;
+	int yNew;
+  int xDelta;
+
+	xDelta=0;
+	switch(LOWORD(someCallbackData.wParam()))
+	{
+	  case SB_PAGEUP :
+		  yNew=currScrolly()-PageIncrement;
+		  break;
+		case SB_PAGEDOWN :
+		  yNew=currScrolly()+PageIncrement;
+		  break;
+		case SB_LINEUP :
+		  yNew=currScrolly()-LineIncrement;
+		  break;
+		case SB_LINEDOWN :
+		  yNew=currScrolly()+LineIncrement;
+		  break;
+		case SB_THUMBPOSITION :
+		  yNew=HIWORD(someCallbackData.wParam());
+		  break;
+		default :
+		  yNew=currScrolly();
+			break;
+	}
+	yNew=imax(0,yNew);
+	yNew=imin(maxScrolly(),yNew);
+	if(yNew==currScrolly())return;
+	scrollEvent(TRUE);
+	yDelta=yNew-currScrolly();
+	currScrolly(yNew);
+	::ScrollWindow(hwndOwner(),-xDelta,-yDelta,(const RECT*)0,(const RECT*)0);
+	::UpdateWindow(hwndOwner());
+	::SetScrollPos(hwndOwner(),SB_VERT,currScrolly(),TRUE);
+}
+
+void ScrollInfo::handleSize(CallbackData &someCallbackData)
+{
+  int xNew(someCallbackData.loWord());
+	int yNew(someCallbackData.hiWord());
+
+	sizeEvent(TRUE);
+	maxScrollx(imax(scrollableObjectWidth()-xNew,0));
+	::SetScrollRange(hwndOwner(),SB_HORZ,minScrollx(),maxScrollx(),FALSE);
+	currScrollx(imin(currScrollx(),maxScrollx()));
+	::SetScrollPos(hwndOwner(),SB_HORZ,currScrollx(),TRUE);
+	maxScrolly(imax(scrollableObjectHeight()-yNew,0));
+	::SetScrollRange(hwndOwner(),SB_VERT,minScrolly(),maxScrolly(),FALSE);
+	currScrolly(imin(currScrolly(),maxScrolly()));
+	::SetScrollPos(hwndOwner(),SB_VERT,currScrolly(),TRUE);
+}
+