mirror of
https://github.com/reactos/reactos.git
synced 2024-11-20 06:15:26 +00:00
Add very basic dragging support to the monitor selection control
svn path=/trunk/; revision=29665
This commit is contained in:
Thomas Bluemel
parent
cabbd02835
commit
36f1aa644b
1 changed files with 389 additions and 78 deletions
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@ -27,11 +27,17 @@ typedef struct _MONITORSELWND
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UINT Enabled : 1;
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UINT HasFocus : 1;
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UINT CanDisplay : 1;
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UINT LeftBtnDown : 1;
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UINT IsDraggingMonitor : 1;
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};
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};
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DWORD ControlExStyle;
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DWORD MonitorsCount;
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INT SelectedMonitor;
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INT DraggingMonitor;
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RECT rcDragging;
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POINT ptDrag, ptDragBegin;
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SIZE DraggingMargin;
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PMONSL_MONINFO MonitorInfo;
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PMONSL_MON Monitors;
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RECT rcExtent;
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@ -265,17 +271,36 @@ MonSelRepaintMonitor(IN PMONITORSELWND infoPtr,
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IN DWORD Index)
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{
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RECT rc;
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BOOL NoRepaint = FALSE;
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if (Index < infoPtr->MonitorsCount)
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{
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if (Index == (DWORD)infoPtr->DraggingMonitor)
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{
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if (infoPtr->IsDraggingMonitor)
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{
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MonSelRectToScreen(infoPtr,
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&infoPtr->rcDragging,
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&rc);
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}
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else
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NoRepaint = TRUE;
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}
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else
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{
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MonSelRectToScreen(infoPtr,
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&infoPtr->Monitors[Index].rc,
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&rc);
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}
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if (!NoRepaint)
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{
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InvalidateRect(infoPtr->hSelf,
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&rc,
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TRUE);
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}
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}
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}
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static VOID
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MonSelRepaintSelected(IN PMONITORSELWND infoPtr)
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@ -370,6 +395,9 @@ MonSelSetMonitorsInfo(IN OUT PMONITORSELWND infoPtr,
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DWORD Index;
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BOOL Ret = TRUE;
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if (infoPtr->DraggingMonitor >= 0)
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return FALSE;
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if (infoPtr->MonitorInfo != NULL)
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{
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LocalFree((HLOCAL)infoPtr->MonitorInfo);
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@ -466,7 +494,8 @@ MonSelSetMonitorInfo(IN OUT PMONITORSELWND infoPtr,
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IN INT Index,
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IN const MONSL_MONINFO *MonitorsInfo)
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{
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if (Index >= 0 && Index < (INT)infoPtr->MonitorsCount)
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if (infoPtr->DraggingMonitor < 0 &&
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Index >= 0 && Index < (INT)infoPtr->MonitorsCount)
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{
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CopyMemory(&infoPtr->MonitorInfo[Index],
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MonitorsInfo,
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@ -531,7 +560,8 @@ MonSelSetCurSelMonitor(IN OUT PMONITORSELWND infoPtr,
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BOOL PreventSelect = FALSE;
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BOOL Ret = FALSE;
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if (Index == -1 || Index < (INT)infoPtr->MonitorsCount)
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if (infoPtr->DraggingMonitor < 0 &&
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(Index == -1 || Index < (INT)infoPtr->MonitorsCount))
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{
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if (Index != infoPtr->SelectedMonitor)
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{
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@ -594,6 +624,7 @@ MonSelCreate(IN OUT PMONITORSELWND infoPtr)
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infoPtr->SelectionFrame.cx = infoPtr->SelectionFrame.cy = 4;
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infoPtr->Margin.cx = infoPtr->Margin.cy = 20;
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infoPtr->SelectedMonitor = -1;
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infoPtr->DraggingMonitor = -1;
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infoPtr->ControlExStyle = MSLM_EX_ALLOWSELECTDISABLED | MSLM_EX_HIDENUMBERONSINGLE |
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MSLM_EX_SELECTONRIGHTCLICK;
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return;
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@ -624,6 +655,9 @@ static BOOL
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MonSelSetExtendedStyle(IN OUT PMONITORSELWND infoPtr,
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IN DWORD dwExtendedStyle)
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{
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if (infoPtr->DraggingMonitor >= 0)
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return FALSE;
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if (dwExtendedStyle != infoPtr->ControlExStyle)
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{
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infoPtr->ControlExStyle = dwExtendedStyle;
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@ -724,13 +758,92 @@ MonSelDrawDisabledRect(IN OUT PMONITORSELWND infoPtr,
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return Ret;
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}
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static VOID
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MonSelPaintMonitor(IN OUT PMONITORSELWND infoPtr,
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IN HDC hDC,
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IN DWORD Index,
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IN OUT PRECT prc,
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IN COLORREF crDefFontColor,
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IN BOOL bHideNumber)
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{
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HFONT hFont, hPrevFont;
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COLORREF crPrevText;
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if ((INT)Index == infoPtr->SelectedMonitor)
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{
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FillRect(hDC,
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prc,
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(HBRUSH)(COLOR_HIGHLIGHT + 1));
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if (infoPtr->HasFocus && !(infoPtr->UIState & UISF_HIDEFOCUS))
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{
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/* NOTE: We need to switch the text color to the default, because
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DrawFocusRect draws a solid line if the text is white! */
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crPrevText = SetTextColor(hDC,
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crDefFontColor);
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DrawFocusRect(hDC,
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prc);
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SetTextColor(hDC,
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crPrevText);
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}
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}
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InflateRect(prc,
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-infoPtr->SelectionFrame.cx,
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-infoPtr->SelectionFrame.cy);
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Rectangle(hDC,
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prc->left,
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prc->top,
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prc->right,
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prc->bottom);
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InflateRect(prc,
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-1,
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-1);
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if (!bHideNumber)
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{
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hFont = MonSelGetMonitorFont(infoPtr,
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hDC,
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Index);
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if (hFont != NULL)
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{
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hPrevFont = SelectObject(hDC,
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hFont);
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DrawText(hDC,
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infoPtr->Monitors[Index].szCaption,
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-1,
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prc,
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DT_VCENTER | DT_CENTER | DT_NOPREFIX | DT_SINGLELINE);
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SelectObject(hDC,
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hPrevFont);
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}
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}
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if (infoPtr->MonitorInfo[Index].Flags & MSL_MIF_DISABLED)
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{
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InflateRect(prc,
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1,
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1);
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MonSelDrawDisabledRect(infoPtr,
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hDC,
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prc);
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}
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}
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static VOID
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MonSelPaint(IN OUT PMONITORSELWND infoPtr,
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IN HDC hDC,
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IN const RECT *prcUpdate)
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{
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COLORREF crPrevText, crPrevText2;
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HFONT hFont, hPrevFont;
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COLORREF crPrevText;
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HBRUSH hbBk, hbOldBk;
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HPEN hpFg, hpOldFg;
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DWORD Index;
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@ -757,83 +870,47 @@ MonSelPaint(IN OUT PMONITORSELWND infoPtr,
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for (Index = 0; Index < infoPtr->MonitorsCount; Index++)
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{
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MonSelRectToScreen(infoPtr,
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&infoPtr->Monitors[Index].rc,
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&rc);
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if (!IntersectRect(&rctmp,
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&rc,
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prcUpdate))
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if (infoPtr->IsDraggingMonitor &&
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(DWORD)infoPtr->DraggingMonitor == Index)
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{
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continue;
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}
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if ((INT)Index == infoPtr->SelectedMonitor)
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{
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FillRect(hDC,
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&rc,
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(HBRUSH)(COLOR_HIGHLIGHT + 1));
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if (infoPtr->HasFocus && !(infoPtr->UIState & UISF_HIDEFOCUS))
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{
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/* NOTE: We need to switch the text color to the default, because
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DrawFocusRect draws a solid line if the text is white! */
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crPrevText2 = SetTextColor(hDC,
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crPrevText);
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DrawFocusRect(hDC,
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MonSelRectToScreen(infoPtr,
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&infoPtr->Monitors[Index].rc,
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&rc);
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SetTextColor(hDC,
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crPrevText2);
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}
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}
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InflateRect(&rc,
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-infoPtr->SelectionFrame.cx,
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-infoPtr->SelectionFrame.cy);
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Rectangle(hDC,
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rc.left,
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rc.top,
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rc.right,
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rc.bottom);
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InflateRect(&rc,
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-1,
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-1);
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if (!bHideNumber)
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{
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hFont = MonSelGetMonitorFont(infoPtr,
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hDC,
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Index);
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if (hFont != NULL)
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{
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hPrevFont = SelectObject(hDC,
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hFont);
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DrawText(hDC,
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infoPtr->Monitors[Index].szCaption,
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-1,
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if (IntersectRect(&rctmp,
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&rc,
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DT_VCENTER | DT_CENTER | DT_NOPREFIX | DT_SINGLELINE);
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SelectObject(hDC,
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hPrevFont);
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}
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}
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if (infoPtr->MonitorInfo[Index].Flags & MSL_MIF_DISABLED)
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prcUpdate))
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{
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InflateRect(&rc,
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1,
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1);
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MonSelDrawDisabledRect(infoPtr,
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MonSelPaintMonitor(infoPtr,
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hDC,
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Index,
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&rc,
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crPrevText,
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bHideNumber);
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}
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}
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/* Paint the dragging monitor last */
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if (infoPtr->IsDraggingMonitor &&
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(DWORD)infoPtr->DraggingMonitor >= 0)
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{
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MonSelRectToScreen(infoPtr,
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&infoPtr->rcDragging,
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&rc);
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if (IntersectRect(&rctmp,
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&rc,
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prcUpdate))
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{
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MonSelPaintMonitor(infoPtr,
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hDC,
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(DWORD)infoPtr->DraggingMonitor,
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&rc,
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crPrevText,
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bHideNumber);
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}
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}
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@ -882,6 +959,202 @@ MonSelContextMenu(IN OUT PMONITORSELWND infoPtr,
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nm.pt.y));
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}
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static VOID
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MonSelApplyCursorClipping(IN PMONITORSELWND infoPtr,
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IN BOOL bClip)
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{
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RECT rc;
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if (bClip)
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{
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rc.left = rc.top = 0;
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rc.right = infoPtr->ClientSize.cx;
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rc.bottom = infoPtr->ClientSize.cy;
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if (MapWindowPoints(infoPtr->hSelf,
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NULL,
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(LPPOINT)&rc,
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2))
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{
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ClipCursor(&rc);
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}
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}
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else
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{
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ClipCursor(NULL);
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}
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}
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static VOID
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MonSelMoveDragRect(IN OUT PMONITORSELWND infoPtr,
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IN PPOINT ppt)
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{
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RECT rcPrev, rcUpdate, *prc;
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HRGN hRgnPrev;
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HDC hDC;
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if (infoPtr->CanDisplay)
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{
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hDC = GetDC(infoPtr->hSelf);
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if (hDC != NULL)
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{
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if (infoPtr->ptDrag.x != ppt->x ||
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infoPtr->ptDrag.y != ppt->y)
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{
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infoPtr->ptDrag = *ppt;
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rcPrev = infoPtr->rcDragging;
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/* Calculate updated dragging rectangle */
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prc = &infoPtr->Monitors[infoPtr->DraggingMonitor].rc;
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infoPtr->rcDragging.left = ppt->x - infoPtr->DraggingMargin.cx;
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infoPtr->rcDragging.top = ppt->y - infoPtr->DraggingMargin.cy;
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infoPtr->rcDragging.right = infoPtr->rcDragging.left + (prc->right - prc->left);
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infoPtr->rcDragging.bottom = infoPtr->rcDragging.top + (prc->bottom - prc->top);
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hRgnPrev = CreateRectRgn(rcPrev.left,
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rcPrev.top,
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rcPrev.right,
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rcPrev.bottom);
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if (hRgnPrev != NULL)
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{
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if (!ScrollDC(hDC,
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infoPtr->rcDragging.left - rcPrev.left,
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infoPtr->rcDragging.top - rcPrev.top,
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&rcPrev,
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NULL,
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hRgnPrev,
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&rcUpdate) ||
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!InvalidateRgn(infoPtr->hSelf,
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hRgnPrev,
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TRUE))
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{
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DeleteObject(hRgnPrev);
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goto InvRects;
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}
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DeleteObject(hRgnPrev);
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}
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else
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{
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InvRects:
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InvalidateRect(infoPtr->hSelf,
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&rcPrev,
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TRUE);
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InvalidateRect(infoPtr->hSelf,
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&infoPtr->rcDragging,
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TRUE);
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}
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}
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ReleaseDC(infoPtr->hSelf,
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hDC);
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}
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}
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}
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static VOID
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MonSelCancelDragging(IN OUT PMONITORSELWND infoPtr)
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{
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DWORD Index;
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if (infoPtr->DraggingMonitor >= 0)
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{
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MonSelMoveDragRect(infoPtr,
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&infoPtr->ptDragBegin);
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Index = (DWORD)infoPtr->DraggingMonitor;
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infoPtr->DraggingMonitor = -1;
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if (infoPtr->CanDisplay)
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{
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/* Repaint the area where the monitor was last dragged */
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MonSelRepaintMonitor(infoPtr,
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Index);
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infoPtr->IsDraggingMonitor = FALSE;
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/* Repaint the area where the monitor is located */
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MonSelRepaintMonitor(infoPtr,
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Index);
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}
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else
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infoPtr->IsDraggingMonitor = FALSE;
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ReleaseCapture();
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MonSelApplyCursorClipping(infoPtr,
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FALSE);
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}
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}
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static VOID
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MonSelInitDragging(IN OUT PMONITORSELWND infoPtr,
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IN DWORD Index,
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IN PPOINT ppt)
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{
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POINT pt;
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MonSelCancelDragging(infoPtr);
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infoPtr->IsDraggingMonitor = FALSE;
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MonSelScreenToPt(infoPtr,
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ppt,
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&pt);
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infoPtr->ptDrag = infoPtr->ptDragBegin = pt;
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infoPtr->DraggingMonitor = (INT)Index;
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infoPtr->DraggingMargin.cx = ppt->x - infoPtr->Monitors[Index].rc.left;
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infoPtr->DraggingMargin.cy = ppt->y - infoPtr->Monitors[Index].rc.top;
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infoPtr->rcDragging = infoPtr->Monitors[Index].rc;
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MonSelApplyCursorClipping(infoPtr,
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TRUE);
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}
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static VOID
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MonSelDrag(IN OUT PMONITORSELWND infoPtr,
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IN PPOINT ppt)
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{
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SIZE szDrag;
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POINT pt;
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RECT rcDrag;
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if (infoPtr->DraggingMonitor >= 0)
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{
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MonSelScreenToPt(infoPtr,
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ppt,
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&pt);
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if (!infoPtr->IsDraggingMonitor)
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{
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szDrag.cx = GetSystemMetrics(SM_CXDRAG);
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szDrag.cy = GetSystemMetrics(SM_CYDRAG);
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rcDrag.left = infoPtr->Monitors[infoPtr->DraggingMonitor].rc.left + infoPtr->DraggingMargin.cx - (szDrag.cx / 2);
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rcDrag.top = infoPtr->Monitors[infoPtr->DraggingMonitor].rc.top + infoPtr->DraggingMargin.cy - (szDrag.cy / 2);
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rcDrag.right = rcDrag.left + szDrag.cx;
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rcDrag.bottom = rcDrag.top + szDrag.cy;
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if (!PtInRect(&rcDrag,
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pt))
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{
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/* The user started moving around the mouse: Begin dragging */
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infoPtr->IsDraggingMonitor = TRUE;
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MonSelMoveDragRect(infoPtr,
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&pt);
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}
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}
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else
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{
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MonSelMoveDragRect(infoPtr,
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&pt);
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}
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}
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}
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static LRESULT CALLBACK
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MonitorSelWndProc(IN HWND hwnd,
|
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IN UINT uMsg,
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|
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@ -942,6 +1215,28 @@ MonitorSelWndProc(IN HWND hwnd,
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break;
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}
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case WM_MOUSEMOVE:
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{
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POINT pt;
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if (!(wParam & MK_LBUTTON))
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{
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MonSelCancelDragging(infoPtr);
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break;
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}
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if (infoPtr->LeftBtnDown)
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{
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pt.x = (LONG)LOWORD(lParam);
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pt.y = (LONG)HIWORD(lParam);
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MonSelDrag(infoPtr,
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&pt);
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}
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break;
|
||||
}
|
||||
|
||||
case WM_RBUTTONDOWN:
|
||||
{
|
||||
if (!(infoPtr->ControlExStyle & MSLM_EX_SELECTONRIGHTCLICK))
|
||||
|
|
@ -968,6 +1263,14 @@ MonitorSelWndProc(IN HWND hwnd,
|
|||
TRUE);
|
||||
}
|
||||
|
||||
if (Index >= 0 && (uMsg == WM_LBUTTONDOWN || uMsg == WM_LBUTTONDBLCLK))
|
||||
{
|
||||
infoPtr->LeftBtnDown = TRUE;
|
||||
MonSelInitDragging(infoPtr,
|
||||
(DWORD)Index,
|
||||
&pt);
|
||||
}
|
||||
|
||||
/* fall through */
|
||||
}
|
||||
|
||||
|
|
@ -986,6 +1289,13 @@ MonitorSelWndProc(IN HWND hwnd,
|
|||
break;
|
||||
}
|
||||
|
||||
case WM_LBUTTONUP:
|
||||
{
|
||||
MonSelCancelDragging(infoPtr);
|
||||
infoPtr->LeftBtnDown = FALSE;
|
||||
break;
|
||||
}
|
||||
|
||||
case WM_GETDLGCODE:
|
||||
{
|
||||
INT virtKey;
|
||||
|
|
@ -1020,6 +1330,7 @@ MonitorSelWndProc(IN HWND hwnd,
|
|||
case WM_KILLFOCUS:
|
||||
{
|
||||
infoPtr->HasFocus = FALSE;
|
||||
MonSelCancelDragging(infoPtr);
|
||||
MonSelRepaintSelected(infoPtr);
|
||||
break;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue