- Start rosapps rearrange and cleanup process.

svn path=/trunk/; revision=34303

rosapps/applications/imagesoft/custcombo.c

@@ -0,0 +1,213 @@
+#include <precomp.h>
+
+
+LRESULT WINAPI
+FlatComboProc(HWND hwnd,
+              UINT msg,
+              WPARAM wParam,
+              LPARAM lParam)
+{
+    HDC hdc;
+    PAINTSTRUCT    ps;
+    RECT rect, rect2;
+    POINT pt;
+
+    WNDPROC OldComboProc = (WNDPROC)GetWindowLong(hwnd, GWL_USERDATA);
+
+    static BOOL fMouseDown  = FALSE;
+    static BOOL fButtonDown = FALSE;
+
+    switch(msg)
+    {
+        case WM_PAINT:
+        {
+            if(wParam == 0) hdc = BeginPaint(hwnd, &ps);
+            else hdc = (HDC)wParam;
+
+            /* mask off the borders and draw ComboBox normally */
+            GetClientRect(hwnd, &rect);
+
+            InflateRect(&rect,
+                        -GetSystemMetrics(SM_CXEDGE)*2,
+                        -GetSystemMetrics(SM_CYEDGE)*2);
+
+            rect.right -= GetSystemMetrics(SM_CXVSCROLL);
+
+            IntersectClipRect(hdc,
+                              rect.left,
+                              rect.top,
+                              rect.right,
+                              rect.bottom);
+
+            /* Draw the ComboBox */
+            CallWindowProc(OldComboProc,
+                           hwnd,
+                           msg,
+                           (WPARAM)hdc,
+                           lParam);
+
+            /* Now mask off inside and draw the borders */
+            SelectClipRgn(hdc,
+                          NULL);
+            rect.right += GetSystemMetrics(SM_CXVSCROLL);
+
+            ExcludeClipRect(hdc,
+                            rect.left,
+                            rect.top,
+                            rect.right,
+                            rect.bottom);
+
+            /* draw borders */
+            GetClientRect(hwnd,
+                          &rect2);
+            FillRect(hdc,
+                     &rect2,
+                     //CreateSolidBrush(RGB(0,0,0)));
+                     GetSysColorBrush(COLOR_3DFACE));
+
+            /* now draw the button */
+            SelectClipRgn(hdc,
+                          NULL);
+            rect.left = rect.right - GetSystemMetrics(SM_CXVSCROLL);
+
+            if(fButtonDown)
+            {
+                HBRUSH oldBrush;
+                HPEN oldPen;
+                POINT pt[3];
+
+                FillRect(hdc, &rect, CreateSolidBrush(RGB(182,189,210)));
+                rect.top -= 1;
+                rect.bottom += 1;
+                FrameRect(hdc, &rect, GetStockBrush(WHITE_BRUSH));
+
+                pt[0].x = rect.right - ((GetSystemMetrics(SM_CXVSCROLL) / 2) + 2);
+                pt[0].y = rect.bottom / 2;
+                pt[1].x = pt[0].x + 4;
+                pt[1].y = pt[0].y;
+                pt[2].x = pt[1].x - 2;
+                pt[2].y = pt[1].y + 2;
+
+                oldPen = (HPEN) SelectObject(hdc, GetStockPen(WHITE_PEN));
+                oldBrush = (HBRUSH) SelectObject(hdc, GetStockBrush(WHITE_BRUSH));
+                Polygon(hdc, pt, 3);
+
+                SelectObject(hdc, oldPen);
+                SelectObject(hdc, oldBrush);
+            }
+            else
+            {
+                HBRUSH oldBrush;
+                POINT pt[3];
+
+                FillRect(hdc, &rect, GetSysColorBrush(COLOR_3DFACE));
+                rect.top -= 1;
+                rect.bottom += 1;
+                FrameRect(hdc, &rect, GetStockBrush(WHITE_BRUSH));
+
+                pt[0].x = rect.right - ((GetSystemMetrics(SM_CXVSCROLL) / 2) + 2);
+                pt[0].y = rect.bottom / 2;
+                pt[1].x = pt[0].x + 4;
+                pt[1].y = pt[0].y;
+                pt[2].x = pt[1].x - 2;
+                pt[2].y = pt[1].y + 2;
+
+                oldBrush = (HBRUSH) SelectObject(hdc, GetStockBrush(BLACK_BRUSH));
+                Polygon(hdc, pt, 3);
+
+                SelectObject(hdc, oldBrush);
+            }
+
+
+            if(wParam == 0)
+                EndPaint(hwnd, &ps);
+
+            return 0;
+        }
+
+        /* check if mouse is within drop-arrow area, toggle
+         * a flag to say if the mouse is up/down. Then invalidate
+         * the window so it redraws to show the changes. */
+        case WM_LBUTTONDBLCLK:
+        case WM_LBUTTONDOWN:
+        {
+
+            pt.x = (short)LOWORD(lParam);
+            pt.y = (short)HIWORD(lParam);
+
+            GetClientRect(hwnd, &rect);
+
+            InflateRect(&rect,
+                        -GetSystemMetrics(SM_CXEDGE),
+                        -GetSystemMetrics(SM_CYEDGE));
+            rect.left = rect.right - GetSystemMetrics(SM_CXVSCROLL);
+
+            if(PtInRect(&rect, pt))
+            {
+                /* we *should* call SetCapture, but the ComboBox does it for us */
+                fMouseDown = TRUE;
+                fButtonDown = TRUE;
+                InvalidateRect(hwnd, 0, 0);
+            }
+        }
+        break;
+
+        /* mouse has moved. Check to see if it is in/out of the drop-arrow */
+        case WM_MOUSEMOVE:
+        {
+
+            pt.x = (short)LOWORD(lParam);
+            pt.y = (short)HIWORD(lParam);
+
+            if(fMouseDown && (wParam & MK_LBUTTON))
+            {
+                GetClientRect(hwnd, &rect);
+
+                InflateRect(&rect, -GetSystemMetrics(SM_CXEDGE), -GetSystemMetrics(SM_CYEDGE));
+                rect.left = rect.right - GetSystemMetrics(SM_CXVSCROLL);
+
+                if(fButtonDown != PtInRect(&rect, pt))
+                {
+                    fButtonDown = PtInRect(&rect, pt);
+                    InvalidateRect(hwnd, 0, 0);
+                }
+            }
+        }
+        break;
+
+        case WM_LBUTTONUP:
+        {
+
+            if(fMouseDown)
+            {
+                /* No need to call ReleaseCapture, the ComboBox does it for us */
+                fMouseDown = FALSE;
+                fButtonDown = FALSE;
+                InvalidateRect(hwnd, 0, 0);
+            }
+        }
+        break;
+    }
+
+    return CallWindowProc(OldComboProc,
+                          hwnd,
+                          msg,
+                          wParam,
+                          lParam);
+}
+
+VOID MakeFlatCombo(HWND hwndCombo)
+{
+    LONG OldComboProc;
+
+    /* Remember old window procedure */
+    OldComboProc = GetWindowLongPtr(hwndCombo, GWL_WNDPROC);
+    SetWindowLongPtr(hwndCombo,
+                     GWL_USERDATA,
+                     OldComboProc);
+
+    /* Perform the subclass */
+    SetWindowLongPtr(hwndCombo,
+                     GWL_WNDPROC,
+                     (LONG_PTR)FlatComboProc);
+}