Delete markers (wip CTRL key)

PBMap.pb

@@ -58,6 +58,7 @@ DeclareModule PBMap
   Declare.i AddMarker(Latitude.d, Longitude.d, Legend.s = "", color.l=-1, CallBackPointer.i = -1)
   Declare ClearMarkers()
   Declare DeleteMarker(*Ptr)
+  Declare DeleteSelectedMarkers()
   Declare Quit()
   Declare Error(msg.s)
   Declare Refresh()
@@ -1091,6 +1092,15 @@ Module PBMap
     DeleteElement(PBMap\Markers())
   EndProcedure
   
+  Procedure DeleteSelectedMarkers()
+    ForEach PBMap\Markers()
+      If PBMap\Markers()\Selected
+        DeleteElement(PBMap\Markers())
+        PBMap\Redraw = #True
+      EndIf
+    Next
+  EndProcedure
+  
   Procedure.i AddMarker(Latitude.d, Longitude.d, Legend.s = "", Color.l=-1, CallBackPointer.i = -1)
     Protected *Ptr = AddElement(PBMap\Markers())
     If *Ptr 
@@ -1391,11 +1401,42 @@ Module PBMap
   Procedure CanvasEvents()
     Protected MouseX.i, MouseY.i
     Protected MarkerCoords.PixelCoordinates, *Tile.Tile, MapWidth = Pow(2, PBMap\Zoom) * PBMap\TileSize
-    Protected key.s
+    Protected key.s, Touch.i, CtrlKey.i
     PBMap\Moving = #False
     Select EventType()
+      Case #PB_EventType_KeyUp  
+        Select GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_Key)
+          Case #PB_Shortcut_Delete
+            DeleteSelectedMarkers()
+          Case #PB_Canvas_Control
+            CtrlKey = #False
+        EndSelect
+      Case #PB_EventType_KeyDown
+        Select GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_Key)
+          Case #PB_Canvas_Control
+            CtrlKey = #True
+        EndSelect
       Case #PB_EventType_LeftDoubleClick
+        If PBMap\Mode = #MODE_DEFAULT Or PBMap\Mode = #MODE_SELECT
+          ;Check if the mouse touch a marker, if so, jump to it
+          LatLon2Pixel(@PBMap\GeographicCoordinates, @PBMap\PixelCoordinates, PBMap\Zoom)
+          MouseX = PBMap\PixelCoordinates\x - GadgetWidth(PBMap\Gadget) / 2 + GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseX)
+          MouseY = PBMap\PixelCoordinates\y - GadgetHeight(PBMap\Gadget) / 2 + GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseY)
+          ;Clip MouseX to the map range (in X, the map is infinite)
+          MouseX = Mod(Mod(MouseX, MapWidth) + MapWidth, MapWidth)
+          Touch = #False
+          ForEach PBMap\Markers()              
+            LatLon2Pixel(@PBMap\Markers()\GeographicCoordinates, @MarkerCoords, PBMap\Zoom)
+            If Distance(MarkerCoords\x, MarkerCoords\y, MouseX, MouseY) < 8
+              Touch = #True
+              SetLocation(PBMap\Markers()\GeographicCoordinates\Latitude, PBMap\Markers()\GeographicCoordinates\Longitude)
+              Break
+            EndIf
+          Next
+        EndIf
+        If Not Touch
           GotoPixelRel(GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseX), GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseY))
+        EndIf
       Case #PB_EventType_MouseWheel
         If PBMap\Options\WheelMouseRelative
           ;Relative zoom (centered on the mouse)
@@ -1443,8 +1484,8 @@ Module PBMap
           ElseIf PBMap\Mode = #MODE_DEFAULT Or PBMap\Mode = #MODE_HAND
             ;Move map only
             LatLon2Pixel(@PBMap\GeographicCoordinates, @PBMap\PixelCoordinates, PBMap\Zoom) ;This line could be removed as the coordinates don't have to change but I want to be sure we rely only on geographic coordinates
-            ;Ensures that pixel position stay in the range [0..2^Zoom*PBMap\TileSize[ coz of the wrapping of the map
             PBMap\PixelCoordinates\x - MouseX
+            ;Ensures that pixel position stay in the range [0..2^Zoom*PBMap\TileSize[ coz of the wrapping of the map
             PBMap\PixelCoordinates\x = Mod(Mod(PBMap\PixelCoordinates\x, MapWidth) + MapWidth, MapWidth)
             PBMap\PixelCoordinates\y - MouseY
             Pixel2LatLon(@PBMap\PixelCoordinates, @PBMap\GeographicCoordinates, PBMap\Zoom)
@@ -1469,8 +1510,10 @@ Module PBMap
               If Distance(MarkerCoords\x, MarkerCoords\y, MouseX, MouseY) < 8
                 PBMap\Markers()\Focus = #True
               Else
+                If CtrlKey = #False
                   PBMap\Markers()\Focus = #False
                 EndIf  
+              EndIf
             Next
           EndIf
           PBMap\Redraw = #True
@@ -1514,6 +1557,7 @@ Module PBMap
     BindGadgetEvent(PBMap\Gadget, @CanvasEvents())
     AddWindowTimer(PBMap\Window, PBMap\Timer, PBMap\Options\TimerInterval)
     BindEvent(#PB_Event_Timer, @TimerEvents())
+    ;AddKeyboardShortcut(#PB_Shortcut_Delete
   EndProcedure
   
 EndModule
@@ -1697,8 +1741,8 @@ CompilerIf #PB_Compiler_IsMainFile
   
 CompilerEndIf
 ; IDE Options = PureBasic 5.50 (Windows - x64)
-; CursorPosition = 1675
+; CursorPosition = 1514
-; FirstLine = 1654
+; FirstLine = 1487
 ; Folding = -------------
 ; EnableThread
 ; EnableXP