[PATCH 04/10] desk.cpl: Implement monitor highlight and selection.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/desk.cpl/main.c | 47 ++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 45 insertions(+), 2 deletions(-)

diff --git a/dlls/desk.cpl/main.c b/dlls/desk.cpl/main.c
index 35c5e47770a..d6c92d40db5 100644
--- a/dlls/desk.cpl/main.c
+++ b/dlls/desk.cpl/main.c
@@ -35,13 +35,19 @@ struct device_entry
     struct list entry;
     DISPLAY_DEVICEW adapter;
     DEVMODEW current;
+
+    RECT draw_rect;
+    BOOL mouse_over;
 };
 static struct list devices = LIST_INIT( devices );
+static struct device_entry *selected;

static void clear_devices( HWND hwnd )
 {
     struct device_entry *entry, *next;

+    selected = NULL;
+
     LIST_FOR_EACH_ENTRY_SAFE( entry, next, &devices, struct device_entry, entry )
     {
         list_remove( &entry->entry );
@@ -94,8 +100,8 @@ static void draw_monitor_rect( HDC hdc, struct device_entry *entry, RECT rect )
     HFONT font = SelectObject( hdc, GetStockObject( ANSI_VAR_FONT ) );

SelectObject( hdc, GetStockObject( DC_BRUSH ) );
-    SetDCBrushColor( hdc, GetSysColor( COLOR_WINDOW ) );
-    SetDCPenColor( hdc, GetSysColor( COLOR_WINDOWFRAME ) );
+    SetDCBrushColor( hdc, GetSysColor( entry == selected ? COLOR_HIGHLIGHT : COLOR_WINDOW ) );
+    SetDCPenColor( hdc, GetSysColor( entry->mouse_over ? COLOR_HIGHLIGHT : COLOR_WINDOWFRAME ) );
     Rectangle( hdc, rect.left, rect.top, rect.right, rect.bottom );

DrawTextW( hdc, entry->adapter.DeviceName, -1, &rect, DT_CENTER | DT_VCENTER | DT_SINGLELINE | DT_NOCLIP );
@@ -142,12 +148,49 @@ static LRESULT CALLBACK desktop_view_proc( HWND hwnd, UINT msg, WPARAM wparam, L
             rect = rect_from_devmode( &entry->current );
             rect = map_virtual_client_rect( rect, client_rect, virtual_rect, scale );
             draw_monitor_rect( hdc, entry, rect );
+            entry->draw_rect = rect;
         }

EndPaint( hwnd, &paint );
         return 0;
     }

+    if (msg == WM_MOUSEMOVE)
+    {
+        POINT pt = {(short)LOWORD(lparam), (short)HIWORD(lparam)};
+        struct device_entry *entry;
+        BOOL changed = FALSE;
+
+        LIST_FOR_EACH_ENTRY( entry, &devices, struct device_entry, entry )
+        {
+            BOOL mouse_over = PtInRect( &entry->draw_rect, pt );
+            if (entry->mouse_over != mouse_over) changed = TRUE;
+            entry->mouse_over = mouse_over;
+        }
+
+        if (changed) InvalidateRect( hwnd, NULL, TRUE );
+        return 0;
+    }
+
+    if (msg == WM_LBUTTONDOWN)
+    {
+        POINT pt = {(short)LOWORD(lparam), (short)HIWORD(lparam)};
+        struct device_entry *entry;
+        BOOL changed = FALSE;
+
+        selected = NULL;
+
+        LIST_FOR_EACH_ENTRY( entry, &devices, struct device_entry, entry )
+        {
+            BOOL mouse_over = PtInRect( &entry->draw_rect, pt );
+            if ((entry == selected) != mouse_over) changed = TRUE;
+            if (mouse_over) selected = entry;
+        }
+
+        if (changed) InvalidateRect( hwnd, NULL, TRUE );
+        return 0;
+    }
+
     return DefWindowProcW( hwnd, msg, wparam, lparam );
 }