Treat delete, backspace, and browser back all identically.

[git-p4: depot-paths = "//depot/solvespace/": change = 2036]

draw.cpp

@@ -924,6 +924,16 @@ void GraphicsWindow::EditControlDone(char *s) {
     }
 }
 
+bool GraphicsWindow::KeyDown(int c) {
+    if(c == ('h' - 'a') + 1) {
+        // Treat backspace identically to escape.
+        MenuEdit(MNU_UNSELECT_ALL);
+        return true;
+    }
+
+    return false;
+}
+
 void GraphicsWindow::MouseScroll(double x, double y, int delta) {
     double offsetRight = offset.Dot(projRight);
     double offsetUp = offset.Dot(projUp);

ui.h

@@ -483,6 +483,7 @@ public:
     void MouseRightUp(double x, double y);
     void MouseScroll(double x, double y, int delta);
     void MouseLeave(void);
+    bool KeyDown(int c);
     void EditControlDone(char *s);
 
     SDWORD lastSpaceNavigatorTime;

win32/w32main.cpp

@@ -533,12 +533,6 @@ static BOOL ProcessKeyDown(WPARAM wParam)
         }
     }
 
-    if(wParam == VK_BACK && !GraphicsEditControlIsVisible()) {
-        TextWindow::ScreenHome(0, 0);
-        SS.TW.Show();
-        return TRUE;
-    }
-
     int c;
     switch(wParam) {
         case VK_OEM_PLUS:       c = '+';            break;
@@ -552,6 +546,9 @@ static BOOL ProcessKeyDown(WPARAM wParam)
         case VK_DELETE:         c = 127;            break;
         case VK_TAB:            c = '\t';           break;
 
+        case VK_BROWSER_BACK:
+        case VK_BACK:           c = 1 + 'h' - 'a';  break;
+
         case VK_F1:
         case VK_F2:
         case VK_F3:
@@ -588,6 +585,8 @@ static BOOL ProcessKeyDown(WPARAM wParam)
         }
     }
 
+    if(SS.GW.KeyDown(c)) return TRUE;
+
     // No accelerator; process the key as normal.
     return FALSE;
 }

wishlist.txt

@@ -1,7 +1,6 @@
 
 grid
 multi-drag
-backslash / escape
 
 -----
 wireframe export