Keyboard & mouse hooks, callbacks for events handled by MainWindowProc

6 files changed, 556 insertions, 369 deletions

diff --git a/ldmicro/ldmicro.cpp b/ldmicro/ldmicro.cpp
index 93da8e9..b1a4c0e 100644
--- a/ldmicro/ldmicro.cpp
+++ b/ldmicro/ldmicro.cpp
@@ -592,423 +592,490 @@ LRESULT CALLBACK MainWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
     //         break;
 
     //     case WM_SETFOCUS:
-    //         InvalidateRect(MainWindow, NULL, FALSE);
-    //         break;
 
     //     case WM_PAINT: {
-    //         PAINTSTRUCT ps;
-    //         Hdc = BeginPaint(hwnd, &ps);
-
-    //         // This draws the schematic.
-    //         PaintWindow();
-
-    //         RECT r;
-    //         // Fill around the scroll bars
-    //         if(NeedHoriz) {
-    //             r.top = IoListTop - ScrollHeight - 2;
-    //             r.bottom = IoListTop - 2;
-    //             FillRect(Hdc, &r, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
-    //         }
-    //         GetClientRect(MainWindow, &r);
-    //         r.left = r.right - ScrollWidth - 2;
-    //         FillRect(Hdc, &r, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
-
-    //         // Draw the splitter thing to grab to resize the I/O listview.
-    //         GetClientRect(MainWindow, &r);
-    //         r.top = IoListTop - 2;
-    //         r.bottom = IoListTop;
-    //         FillRect(Hdc, &r, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
-    //         r.top = IoListTop - 2;
-    //         r.bottom = IoListTop - 1;
-    //         FillRect(Hdc, &r, (HBRUSH)GetStockObject(WHITE_BRUSH));
-    //         r.top = IoListTop;
-    //         r.bottom = IoListTop + 1;
-    //         FillRect(Hdc, &r, (HBRUSH)GetStockObject(DKGRAY_BRUSH));
-
-    //         EndPaint(hwnd, &ps);
-    //         return 1;
     //     }
 
     //     case WM_KEYDOWN: {
-    //         if(wParam == 'M') {
-    //             if(GetAsyncKeyState(VK_CONTROL) & 0x8000) {
-    //                 ToggleSimulationMode();
-    //                 break;
-    //             }
-    //         } else if(wParam == VK_TAB) {
-    //             SetFocus(IoList);
-    //             BlinkCursor(0, 0, 0, 0);
-    //             break;
-    //         } else if(wParam == VK_F1) {
-    //             ShowHelpDialog(FALSE);
-    //             break;
+    //     }
+
+    //     case WM_LBUTTONDBLCLK: {
+    //     }
+
+    //     case WM_LBUTTONDOWN: {
+    //     }
+    //     case WM_MOUSEMOVE: {
+    //     }
+    //     case WM_MOUSEWHEEL: {
+    //     }
+
+    //     case WM_SIZE:
+
+    //     case WM_NOTIFY: {
+    //         NMHDR *h = (NMHDR *)lParam;
+    //         if(h->hwndFrom == IoList) {
+    //             IoListProc(h);
     //         }
+    //         return 0;
+    //     }
+    //     case WM_VSCROLL:
 
-    //         if(InSimulationMode) {
-    //             switch(wParam) {
-    //                 case ' ':
-    //                     SimulateOneCycle(TRUE);
-    //                     break;
-
-    //                 case 'R':
-    //                     if(GetAsyncKeyState(VK_CONTROL) & 0x8000)
-    //                         StartSimulation();
-    //                     break;
-
-    //                 case 'H':
-    //                     if(GetAsyncKeyState(VK_CONTROL) & 0x8000)
-    //                         StopSimulation();
-    //                     break;
-
-    //                 case VK_DOWN:
-    //                     if(ScrollYOffset < ScrollYOffsetMax)
-    //                         ScrollYOffset++;
-    //                     RefreshScrollbars();
-    //                     InvalidateRect(MainWindow, NULL, FALSE);
-    //                     break;
-
-    //                 case VK_UP:
-    //                     if(ScrollYOffset > 0)
-    //                         ScrollYOffset--;
-    //                     RefreshScrollbars();
-    //                     InvalidateRect(MainWindow, NULL, FALSE);
-    //                     break;
-
-    //                 case VK_LEFT:
-    //                     ScrollXOffset -= FONT_WIDTH;
-    //                     if(ScrollXOffset < 0) ScrollXOffset = 0;
-    //                     RefreshScrollbars();
-    //                     InvalidateRect(MainWindow, NULL, FALSE);
-    //                     break;
-
-    //                 case VK_RIGHT:
-    //                     ScrollXOffset += FONT_WIDTH;
-    //                     if(ScrollXOffset >= ScrollXOffsetMax)
-    //                         ScrollXOffset = ScrollXOffsetMax;
-    //                     RefreshScrollbars();
-    //                     InvalidateRect(MainWindow, NULL, FALSE);
-    //                     break;
-
-    //                 case VK_RETURN:
-    //                 case VK_ESCAPE:
-    //                     ToggleSimulationMode();
-    //                     break;
-    //             }
+    //     case WM_HSCROLL:
+
+    //     case WM_COMMAND:
+    //         ProcessMenu(LOWORD(wParam));
+    //         InvalidateRect(MainWindow, NULL, FALSE);
+    //         break;
+
+    //     case WM_CLOSE:
+    //     case WM_DESTROY:
+
+    //     default:
+    //         return DefWindowProc(hwnd, msg, wParam, lParam);
+    // }
+
+    return 1;
+}
+
+void LD_GTK_delete_call(GtkWidget *widget, GdkEvent *event, gpointer user_data)//(HWND window)
+{
+    FreezeWindowPos(MainWindow);
+    FreezeDWORD(IoListHeight);
+
+    gtk_main_quit();
+}
+
+gboolean LD_GTK_keybord_hook(GtkWidget *widget, GdkEvent *event, gpointer user_data)
+{
+    switch(event->key.state)
+    {
+        case GDK_SHIFT_MASK:
+            g_print("SHIFT+");
+            break;
+        case GDK_CONTROL_MASK:
+            g_print("CONTROL+");
+            break;
+    }
+  
+    g_print("%c\n", (char)gdk_keyval_to_unicode(event->key.keyval));
+
+    // if(wParam == 'M') {
+    //         if(GetAsyncKeyState(VK_CONTROL) & 0x8000) {
+    //             ToggleSimulationMode();
     //             break;
     //         }
+    //     } else if(wParam == VK_TAB) {
+    //         SetFocus(IoList);
+    //         BlinkCursor(0, 0, 0, 0);
+    //         break;
+    //     } else if(wParam == VK_F1) {
+    //         ShowHelpDialog(FALSE);
+    //         break;
+    //     }
 
-
+    //     if(InSimulationMode) {
     //         switch(wParam) {
-    //             case VK_F5:
-    //                 CompileProgram(FALSE);
-    //                 break;
-
-    //             case VK_UP:
-    //                 if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
-    //                     CHANGING_PROGRAM(PushRungUp());
-    //                 } else {
-    //                     MoveCursorKeyboard(wParam);
-    //                 }
+    //             case ' ':
+    //                 SimulateOneCycle(TRUE);
     //                 break;
 
-    //             case VK_DOWN:
-    //                 if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
-    //                     CHANGING_PROGRAM(PushRungDown());
-    //                 } else {
-    //                     MoveCursorKeyboard(wParam);
-    //                 }
+    //             case 'R':
+    //                 if(GetAsyncKeyState(VK_CONTROL) & 0x8000)
+    //                     StartSimulation();
     //                 break;
 
-    //             case VK_RIGHT:
-    //             case VK_LEFT:
-    //                 MoveCursorKeyboard(wParam);
+    //             case 'H':
+    //                 if(GetAsyncKeyState(VK_CONTROL) & 0x8000)
+    //                     StopSimulation();
     //                 break;
 
-    //             case VK_RETURN:
-    //                 CHANGING_PROGRAM(EditSelectedElement());
+    //             case VK_DOWN:
+    //                 if(ScrollYOffset < ScrollYOffsetMax)
+    //                     ScrollYOffset++;
+    //                 RefreshScrollbars();
+    //                 InvalidateRect(MainWindow, NULL, FALSE);
     //                 break;
 
-    //             case VK_DELETE:
-    //                 if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
-    //                     CHANGING_PROGRAM(DeleteSelectedRung());
-    //                 } else {
-    //                     CHANGING_PROGRAM(DeleteSelectedFromProgram());
-    //                 }
+    //             case VK_UP:
+    //                 if(ScrollYOffset > 0)
+    //                     ScrollYOffset--;
+    //                 RefreshScrollbars();
+    //                 InvalidateRect(MainWindow, NULL, FALSE);
     //                 break;
 
-    //             case VK_OEM_1:
-    //                 CHANGING_PROGRAM(AddComment(_("--add comment here--")));
+    //             case VK_LEFT:
+    //                 ScrollXOffset -= FONT_WIDTH;
+    //                 if(ScrollXOffset < 0) ScrollXOffset = 0;
+    //                 RefreshScrollbars();
+    //                 InvalidateRect(MainWindow, NULL, FALSE);
     //                 break;
 
-    //             case 'C':
-    //                 CHANGING_PROGRAM(AddContact());
+    //             case VK_RIGHT:
+    //                 ScrollXOffset += FONT_WIDTH;
+    //                 if(ScrollXOffset >= ScrollXOffsetMax)
+    //                     ScrollXOffset = ScrollXOffsetMax;
+    //                 RefreshScrollbars();
+    //                 InvalidateRect(MainWindow, NULL, FALSE);
     //                 break;
 
-    //             // TODO: rather country-specific here
-    //             case VK_OEM_2:
-    //                 CHANGING_PROGRAM(AddEmpty(ELEM_ONE_SHOT_RISING));
+    //             case VK_RETURN:
+    //             case VK_ESCAPE:
+    //                 ToggleSimulationMode();
     //                 break;
+    //         }
+    //         break;
+    //     }
 
-    //             case VK_OEM_5:
-    //                 CHANGING_PROGRAM(AddEmpty(ELEM_ONE_SHOT_FALLING));
-    //                 break;
 
-    //             case 'L':
-    //                 CHANGING_PROGRAM(AddCoil());
-    //                 break;
+    //     switch(wParam) {
+    //         case VK_F5:
+    //             CompileProgram(FALSE);
+    //             break;
 
-    //             case 'R':
-    //                 CHANGING_PROGRAM(MakeResetOnlySelected());
-    //                 break;
+    //         case VK_UP:
+    //             if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
+    //                 CHANGING_PROGRAM(PushRungUp());
+    //             } else {
+    //                 MoveCursorKeyboard(wParam);
+    //             }
+    //             break;
 
-    //             case 'E':
-    //                 if(GetAsyncKeyState(VK_CONTROL) & 0x8000) {
-    //                     ExportDialog();
-    //                 } else {
-    //                     CHANGING_PROGRAM(AddReset());
-    //                 }
-    //                 break;
+    //         case VK_DOWN:
+    //             if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
+    //                 CHANGING_PROGRAM(PushRungDown());
+    //             } else {
+    //                 MoveCursorKeyboard(wParam);
+    //             }
+    //             break;
 
-    //             case 'S':
-    //                 if(GetAsyncKeyState(VK_CONTROL) & 0x8000) {
-    //                     SaveProgram();
-    //                     UpdateMainWindowTitleBar();
-    //                 } else {
-    //                     CHANGING_PROGRAM(MakeSetOnlySelected());
-    //                 }
-    //                 break;
+    //         case VK_RIGHT:
+    //         case VK_LEFT:
+    //             MoveCursorKeyboard(wParam);
+    //             break;
 
-    //             case 'N':
-    //                 if(GetAsyncKeyState(VK_CONTROL) & 0x8000) {
-    //                     if(CheckSaveUserCancels()) break;
-    //                     if(!ProgramChangedNotSaved) {
-    //                         int r = MessageBox(MainWindow, 
-    //                             _("Start new program?"),
-    //                             "LDmicro", MB_YESNO | MB_DEFBUTTON2 |
-    //                             MB_ICONQUESTION);
-    //                         if(r == IDNO) break;
-    //                     }
-    //                     NewProgram();
-    //                     strcpy(CurrentSaveFile, "");
-    //                     strcpy(CurrentCompileFile, "");
-    //                     GenerateIoListDontLoseSelection();
-    //                     RefreshScrollbars();
-    //                     UpdateMainWindowTitleBar();
-    //                 } else {
-    //                     CHANGING_PROGRAM(NegateSelected());
-    //                 }
-    //                 break;
+    //         case VK_RETURN:
+    //             CHANGING_PROGRAM(EditSelectedElement());
+    //             break;
 
-    //             case 'A':
-    //                 CHANGING_PROGRAM(MakeNormalSelected());
-    //                 break;
+    //         case VK_DELETE:
+    //             if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
+    //                 CHANGING_PROGRAM(DeleteSelectedRung());
+    //             } else {
+    //                 CHANGING_PROGRAM(DeleteSelectedFromProgram());
+    //             }
+    //             break;
 
-    //             case 'T':
-    //                 CHANGING_PROGRAM(AddTimer(ELEM_RTO));
-    //                 break;
+    //         case VK_OEM_1:
+    //             CHANGING_PROGRAM(AddComment(_("--add comment here--")));
+    //             break;
 
-    //             case 'O':
-    //                 if(GetAsyncKeyState(VK_CONTROL) & 0x8000) {
-    //                     if(CheckSaveUserCancels()) break;
-    //                     OpenDialog();
-    //                 } else {
-    //                     CHANGING_PROGRAM(AddTimer(ELEM_TON));
-    //                 }
-    //                 break;
+    //         case 'C':
+    //             CHANGING_PROGRAM(AddContact());
+    //             break;
 
-    //             case 'F':
-    //                 CHANGING_PROGRAM(AddTimer(ELEM_TOF));
-    //                 break;
+    //         // TODO: rather country-specific here
+    //         case VK_OEM_2:
+    //             CHANGING_PROGRAM(AddEmpty(ELEM_ONE_SHOT_RISING));
+    //             break;
 
-    //             case 'U':
-    //                 CHANGING_PROGRAM(AddCounter(ELEM_CTU));
-    //                 break;
+    //         case VK_OEM_5:
+    //             CHANGING_PROGRAM(AddEmpty(ELEM_ONE_SHOT_FALLING));
+    //             break;
 
-    //             case 'I':
-    //                 CHANGING_PROGRAM(AddCounter(ELEM_CTD));
-    //                 break;
+    //         case 'L':
+    //             CHANGING_PROGRAM(AddCoil());
+    //             break;
 
-    //             case 'J':
-    //                 CHANGING_PROGRAM(AddCounter(ELEM_CTC));
-    //                 break;
+    //         case 'R':
+    //             CHANGING_PROGRAM(MakeResetOnlySelected());
+    //             break;
 
-    //             case 'M':
-    //                 CHANGING_PROGRAM(AddMove());
-    //                 break;
+    //         case 'E':
+    //             if(GetAsyncKeyState(VK_CONTROL) & 0x8000) {
+    //                 ExportDialog();
+    //             } else {
+    //                 CHANGING_PROGRAM(AddReset());
+    //             }
+    //             break;
 
-    //             case 'P':
-    //                 CHANGING_PROGRAM(AddReadAdc());
-    //                 break;
+    //         case 'S':
+    //             if(GetAsyncKeyState(VK_CONTROL) & 0x8000) {
+    //                 SaveProgram();
+    //                 UpdateMainWindowTitleBar();
+    //             } else {
+    //                 CHANGING_PROGRAM(MakeSetOnlySelected());
+    //             }
+    //             break;
 
-    //             case VK_OEM_PLUS:
-    //                 if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
-    //                     CHANGING_PROGRAM(AddMath(ELEM_ADD));
-    //                 } else {
-    //                     CHANGING_PROGRAM(AddCmp(ELEM_EQU));
+    //         case 'N':
+    //             if(GetAsyncKeyState(VK_CONTROL) & 0x8000) {
+    //                 if(CheckSaveUserCancels()) break;
+    //                 if(!ProgramChangedNotSaved) {
+    //                     int r = MessageBox(MainWindow, 
+    //                         _("Start new program?"),
+    //                         "LDmicro", MB_YESNO | MB_DEFBUTTON2 |
+    //                         MB_ICONQUESTION);
+    //                     if(r == IDNO) break;
     //                 }
-    //                 break;
+    //                 NewProgram();
+    //                 strcpy(CurrentSaveFile, "");
+    //                 strcpy(CurrentCompileFile, "");
+    //                 GenerateIoListDontLoseSelection();
+    //                 RefreshScrollbars();
+    //                 UpdateMainWindowTitleBar();
+    //             } else {
+    //                 CHANGING_PROGRAM(NegateSelected());
+    //             }
+    //             break;
 
-    //             case VK_OEM_MINUS:
-    //                 if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
-    //                 } else {
-    //                     CHANGING_PROGRAM(AddMath(ELEM_SUB));
-    //                 }
-    //                 break;
+    //         case 'A':
+    //             CHANGING_PROGRAM(MakeNormalSelected());
+    //             break;
 
-    //             case '8':
-    //                 if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
-    //                     CHANGING_PROGRAM(AddMath(ELEM_MUL));
-    //                 }
-    //                 break;
+    //         case 'T':
+    //             CHANGING_PROGRAM(AddTimer(ELEM_RTO));
+    //             break;
 
-    //             case 'D':
-    //                 CHANGING_PROGRAM(AddMath(ELEM_DIV));
-    //                 break;
+    //         case 'O':
+    //             if(GetAsyncKeyState(VK_CONTROL) & 0x8000) {
+    //                 if(CheckSaveUserCancels()) break;
+    //                 OpenDialog();
+    //             } else {
+    //                 CHANGING_PROGRAM(AddTimer(ELEM_TON));
+    //             }
+    //             break;
 
-    //             case VK_OEM_PERIOD:
-    //                 if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
-    //                     CHANGING_PROGRAM(AddCmp(ELEM_GRT));
-    //                 } else {
-    //                     CHANGING_PROGRAM(AddCmp(ELEM_GEQ));
-    //                 }
-    //                 break;
+    //         case 'F':
+    //             CHANGING_PROGRAM(AddTimer(ELEM_TOF));
+    //             break;
 
-    //             case VK_OEM_COMMA:
-    //                 if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
-    //                     CHANGING_PROGRAM(AddCmp(ELEM_LES));
-    //                 } else {
-    //                     CHANGING_PROGRAM(AddCmp(ELEM_LEQ));
-    //                 }
-    //                 break;
+    //         case 'U':
+    //             CHANGING_PROGRAM(AddCounter(ELEM_CTU));
+    //             break;
 
-    //             case 'V':
-    //                 if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
-    //                     CHANGING_PROGRAM(InsertRung(TRUE));
-    //                 }
-    //                 break;
+    //         case 'I':
+    //             CHANGING_PROGRAM(AddCounter(ELEM_CTD));
+    //             break;
 
-    //             case '6':
-    //                 if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
-    //                     CHANGING_PROGRAM(InsertRung(FALSE));
-    //                 }
-    //                 break;
+    //         case 'J':
+    //             CHANGING_PROGRAM(AddCounter(ELEM_CTC));
+    //             break;
 
-    //             case 'Z':
-    //                 if(GetAsyncKeyState(VK_CONTROL) & 0x8000) {
-    //                     UndoUndo();
-    //                 }
-    //                 break;
+    //         case 'M':
+    //             CHANGING_PROGRAM(AddMove());
+    //             break;
 
-    //             case 'Y':
-    //                 if(GetAsyncKeyState(VK_CONTROL) & 0x8000) {
-    //                     UndoRedo();
-    //                 }
-    //                 break;
+    //         case 'P':
+    //             CHANGING_PROGRAM(AddReadAdc());
+    //             break;
 
-    //             default:
-    //                 break;
-    //         }
-    //         if(wParam != VK_SHIFT && wParam != VK_CONTROL) {
-    //             InvalidateRect(MainWindow, NULL, FALSE);
-    //         }
-    //         break;
-    //     }
+    //         case VK_OEM_PLUS:
+    //             if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
+    //                 CHANGING_PROGRAM(AddMath(ELEM_ADD));
+    //             } else {
+    //                 CHANGING_PROGRAM(AddCmp(ELEM_EQU));
+    //             }
+    //             break;
 
-    //     case WM_LBUTTONDBLCLK: {
-    //         int x = LOWORD(lParam);
-    //         int y = HIWORD(lParam);
-    //         if(InSimulationMode) {
-    //             EditElementMouseDoubleclick(x, y);
-    //         } else {
-    //             CHANGING_PROGRAM(EditElementMouseDoubleclick(x, y));
-    //         }
-    //         InvalidateRect(MainWindow, NULL, FALSE);
-    //         break;
-    //     }
+    //         case VK_OEM_MINUS:
+    //             if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
+    //             } else {
+    //                 CHANGING_PROGRAM(AddMath(ELEM_SUB));
+    //             }
+    //             break;
 
-    //     case WM_LBUTTONDOWN: {
-    //         int x = LOWORD(lParam);
-    //         int y = HIWORD(lParam);
-    //         if((y > (IoListTop - 9)) && (y < (IoListTop + 3))) {
-    //             POINT pt;
-    //             pt.x = x; pt.y = y;
-    //             ClientToScreen(MainWindow, &pt);
-    //             MouseY = pt.y;
-    //             MouseHookHandle = SetWindowsHookEx(WH_MOUSE_LL,
-    //                     (HOOKPROC)MouseHook, Instance, 0);
-    //         }
-    //         if(!InSimulationMode) MoveCursorMouseClick(x, y);
+    //         case '8':
+    //             if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
+    //                 CHANGING_PROGRAM(AddMath(ELEM_MUL));
+    //             }
+    //             break;
 
-    //         SetFocus(MainWindow);
-    //         InvalidateRect(MainWindow, NULL, FALSE);
-    //         break;
-    //     }
-    //     case WM_MOUSEMOVE: {
-    //         int x = LOWORD(lParam);
-    //         int y = HIWORD(lParam);
+    //         case 'D':
+    //             CHANGING_PROGRAM(AddMath(ELEM_DIV));
+    //             break;
 
-    //         if((y > (IoListTop - 9)) && (y < (IoListTop + 3))) {
-    //             SetCursor(LoadCursor(NULL, IDC_SIZENS));
-    //         } else {
-    //             SetCursor(LoadCursor(NULL, IDC_ARROW));
-    //         }
-            
-    //         break;
+    //         case VK_OEM_PERIOD:
+    //             if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
+    //                 CHANGING_PROGRAM(AddCmp(ELEM_GRT));
+    //             } else {
+    //                 CHANGING_PROGRAM(AddCmp(ELEM_GEQ));
+    //             }
+    //             break;
+
+    //         case VK_OEM_COMMA:
+    //             if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
+    //                 CHANGING_PROGRAM(AddCmp(ELEM_LES));
+    //             } else {
+    //                 CHANGING_PROGRAM(AddCmp(ELEM_LEQ));
+    //             }
+    //             break;
+
+    //         case 'V':
+    //             if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
+    //                 CHANGING_PROGRAM(InsertRung(TRUE));
+    //             }
+    //             break;
+
+    //         case '6':
+    //             if(GetAsyncKeyState(VK_SHIFT) & 0x8000) {
+    //                 CHANGING_PROGRAM(InsertRung(FALSE));
+    //             }
+    //             break;
+
+    //         case 'Z':
+    //             if(GetAsyncKeyState(VK_CONTROL) & 0x8000) {
+    //                 UndoUndo();
+    //             }
+    //             break;
+
+    //         case 'Y':
+    //             if(GetAsyncKeyState(VK_CONTROL) & 0x8000) {
+    //                 UndoRedo();
+    //             }
+    //             break;
+
+    //         default:
+    //             break;
     //     }
-    //     case WM_MOUSEWHEEL: {
-    //         if((GET_WHEEL_DELTA_WPARAM(wParam)) > 0) {
-    //             VscrollProc(SB_LINEUP);
-    //         } else {
-    //             VscrollProc(SB_LINEDOWN);
-    //         }
-    //         break;
+    //     if(wParam != VK_SHIFT && wParam != VK_CONTROL) {
+    //         InvalidateRect(MainWindow, NULL, FALSE);
     //     }
+    //     break;
 
-    //     case WM_SIZE:
-    //         MainWindowResized();
-    //         break;
+}
 
-    //     case WM_NOTIFY: {
-    //         NMHDR *h = (NMHDR *)lParam;
-    //         if(h->hwndFrom == IoList) {
-    //             IoListProc(h);
-    //         }
-    //         return 0;
-    //     }
-    //     case WM_VSCROLL:
-    //         VscrollProc(wParam);
-    //         break;
+gboolean LD_GTK_mouse_click_hook(GtkWidget *widget, GdkEvent *event, gpointer user_data)
+{
+    g_print("x = %f\n", event->button.x_root);
+    g_print("y = %f\n", event->button.y_root);
+    switch(event->button.type)
+    {
+        case GDK_BUTTON_PRESS:
+            // int x = LOWORD(lParam);
+            // int y = HIWORD(lParam);
+            // if((y > (IoListTop - 9)) && (y < (IoListTop + 3))) {
+            //     POINT pt;
+            //     pt.x = x; pt.y = y;
+            //     ClientToScreen(MainWindow, &pt);
+            //     MouseY = pt.y;
+            //     MouseHookHandle = SetWindowsHookEx(WH_MOUSE_LL,
+            //             (HOOKPROC)MouseHook, Instance, 0);
+            // }
+            // if(!InSimulationMode) MoveCursorMouseClick(x, y);
+
+            // SetFocus(MainWindow);
+            // InvalidateRect(MainWindow, NULL, FALSE);
+            break;
+        case GDK_2BUTTON_PRESS:
+            // int x = LOWORD(lParam);
+            // int y = HIWORD(lParam);
+            // if(InSimulationMode) {
+            //     EditElementMouseDoubleclick(x, y);
+            // } else {
+            //     CHANGING_PROGRAM(EditElementMouseDoubleclick(x, y));
+            // }
+            // InvalidateRect(MainWindow, NULL, FALSE);
+            break;
 
-    //     case WM_HSCROLL:
-    //         HscrollProc(wParam);
-    //         break;
+    }
+}
 
-    //     case WM_COMMAND:
-    //         ProcessMenu(LOWORD(wParam));
-    //         InvalidateRect(MainWindow, NULL, FALSE);
-    //         break;
+gboolean LD_GTK_mouse_scroll_hook(GtkWidget *widget, GdkEvent *event, gpointer user_data)
+{
+    switch(event->scroll.direction)
+    {
+        case GDK_SCROLL_UP:
+        case GDK_SCROLL_DOWN:
+            // VscrollProc(wParam);
+            break;
+        case GDK_SCROLL_LEFT:
+        case GDK_SCROLL_RIGHT:
+            // HscrollProc(wParam);
+            break;
+        case GDK_SCROLL_SMOOTH:
+            // if((GET_WHEEL_DELTA_WPARAM(wParam)) > 0) {
+            //     VscrollProc(SB_LINEUP);
+            // } else {
+            //     VscrollProc(SB_LINEDOWN);
+            // }
+            // gdk_event_get_scroll_deltas (const GdkEvent *event, gdouble *delta_x, gdouble *delta_y);
+            break;
 
-    //     case WM_CLOSE:
-    //     case WM_DESTROY:
-    //         if(CheckSaveUserCancels()) break;
+    }
+}
 
-    //         PostQuitMessage(0);
-    //         return 1;
+gboolean LD_GTK_mouse_move_hook(GtkWidget *widget, GdkEvent *event, gpointer user_data)
+{
+    g_print("x = %f\n", event->button.x_root);
+    g_print("y = %f\n", event->button.y_root);
+    // int x = LOWORD(lParam);
+    // int y = HIWORD(lParam);
+
+    // if((y > (IoListTop - 9)) && (y < (IoListTop + 3))) {
+    //     SetCursor(LoadCursor(NULL, IDC_SIZENS));
+    // } else {
+    //     SetCursor(LoadCursor(NULL, IDC_ARROW));
+    // }
+    
+    // break;
+}
 
-    //     default:
-    //         return DefWindowProc(hwnd, msg, wParam, lParam);
+gboolean LD_GTK_paint_call(GtkWidget *widget, GdkEvent *event, gpointer user_data)
+{
+    g_print("draw called\n");
+    // PAINTSTRUCT ps;
+    // Hdc = BeginPaint(hwnd, &ps);
+
+    // // This draws the schematic.
+    // PaintWindow();
+
+    // RECT r;
+    // // Fill around the scroll bars
+    // if(NeedHoriz) {
+    //     r.top = IoListTop - ScrollHeight - 2;
+    //     r.bottom = IoListTop - 2;
+    //     FillRect(Hdc, &r, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
     // }
+    // GetClientRect(MainWindow, &r);
+    // r.left = r.right - ScrollWidth - 2;
+    // FillRect(Hdc, &r, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
+
+    // // Draw the splitter thing to grab to resize the I/O listview.
+    // GetClientRect(MainWindow, &r);
+    // r.top = IoListTop - 2;
+    // r.bottom = IoListTop;
+    // FillRect(Hdc, &r, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
+    // r.top = IoListTop - 2;
+    // r.bottom = IoListTop - 1;
+    // FillRect(Hdc, &r, (HBRUSH)GetStockObject(WHITE_BRUSH));
+    // r.top = IoListTop;
+    // r.bottom = IoListTop + 1;
+    // FillRect(Hdc, &r, (HBRUSH)GetStockObject(DKGRAY_BRUSH));
+
+    // EndPaint(hwnd, &ps);
+    // return 1;
+}
 
-    return 1;
+gboolean LD_GTK_destroy_call(GtkWidget *widget, GdkEvent *event, gpointer user_data)
+{
+    // if(CheckSaveUserCancels()) break;
+
+    // PostQuitMessage(0);
+    // return 1;
 }
 
-void LDMicro_close(HWND window)
+gboolean LD_GTK_size_call(GtkWidget *widget, GdkEvent *event, gpointer user_data)
 {
-    FreezeWindowPos(MainWindow);
-    FreezeDWORD(IoListHeight);
+    // MainWindowResized();
+    // break;
+}
 
-    gtk_main_quit();
+gboolean LD_GTK_set_focus_call(GtkWidget *widget, GdkEvent *event, gpointer user_data)
+{
+    // InvalidateRect(MainWindow, NULL, FALSE);
+    // break;
 }
+
 //-----------------------------------------------------------------------------
 // Entry point into the program.
 //-----------------------------------------------------------------------------
@@ -1126,8 +1193,18 @@ int main(int argc, char** argv)
                             IMAGE_ICON, 32, 32, 0));
     gtk_window_set_icon(GTK_WINDOW(MainWindow), LoadImage(Instance, LDMICRO_ICON,
                             IMAGE_ICON, 32, 32, 0));
+
+    /// Keyboard and mouse hooks equivalent to MainWndProc
+    g_signal_connect (MainWindow, "delete_event", G_CALLBACK (LD_GTK_delete_call), NULL);
+    g_signal_connect (MainWindow, "key_press_event", G_CALLBACK (LD_GTK_keybord_hook), NULL);
+    g_signal_connect (MainWindow, "button_press_event", G_CALLBACK (LD_GTK_mouse_click_hook), NULL);
+    g_signal_connect (MainWindow, "scroll_event", G_CALLBACK (LD_GTK_mouse_scroll_hook), NULL);
+    g_signal_connect (MainWindow, "motion_notify_event", G_CALLBACK (LD_GTK_mouse_move_hook), NULL);
+    // g_signal_connect (DrawWindow, "draw", G_CALLBACK (LD_GTK_paint_call), NULL);
+    g_signal_connect (MainWindow, "destroy_event", G_CALLBACK (LD_GTK_destroy_call), NULL);
+    g_signal_connect (MainWindow, "configure_event", G_CALLBACK (LD_GTK_size_call), NULL);
+    g_signal_connect (MainWindow, "focus_in_event", G_CALLBACK (LD_GTK_set_focus_call), NULL);
     
-    g_signal_connect (MainWindow, "delete_event", G_CALLBACK (LDMicro_close), NULL);
     
     ThawWindowPos(MainWindow);
     IoListHeight = 100;
@@ -1135,6 +1212,8 @@ int main(int argc, char** argv)
 
     InitForDrawing();
 
+
+
     MakeMainWindowControls(); /// takes care of MakeMainWindowMenus()
     MainWindowResized();
     // NewProgram();
diff --git a/ldmicro/lib/linuxUI/linuxLD.cpp b/ldmicro/lib/linuxUI/linuxLD.cpp
index dd5f906..cdeb190 100644
--- a/ldmicro/lib/linuxUI/linuxLD.cpp
+++ b/ldmicro/lib/linuxUI/linuxLD.cpp
@@ -99,12 +99,6 @@ BOOL HeapFree(HANDLE hHeap, DWORD  dwFlags, LPVOID lpMem)
 
 }
 
-BOOL RegisterClassEx(const WNDCLASSEX *lpwcx)
-{
-    WindClassRecord.push_back(*lpwcx);
-    return TRUE;
-}
-
 HICON LoadImage(HINSTANCE hinst, LPCTSTR lpszName, UINT uType, int cxDesired,
     int cyDesired, UINT fuLoad)
 {
diff --git a/ldmicro/lib/linuxUI/linuxLD.h b/ldmicro/lib/linuxUI/linuxLD.h
index 035543b..6f1e4f0 100644
--- a/ldmicro/lib/linuxUI/linuxLD.h
+++ b/ldmicro/lib/linuxUI/linuxLD.h
@@ -162,8 +162,6 @@ BOOL HeapFree(
     DWORD  dwFlags,
     LPVOID lpMem);
 
-BOOL RegisterClassEx(const WNDCLASSEX *lpwcx);
-
 HICON LoadImage(
     HINSTANCE hinst,
     LPCTSTR   lpszName,
diff --git a/ldmicro/lib/linuxUI/linuxUI.h b/ldmicro/lib/linuxUI/linuxUI.h
index c2d923b..7e2ea84 100644
--- a/ldmicro/lib/linuxUI/linuxUI.h
+++ b/ldmicro/lib/linuxUI/linuxUI.h
@@ -72,19 +72,4 @@ void EnableMenuItem(HMENU, HMENU, UINT);
 void CheckMenuItem(HMENU, HMENU, UINT);
 HBRUSH GetStockObject(int fnObject);
 
-// HWID CreateWindowEx(
-//     DWORD     dwExStyle,
-//     LPCTSTR   lpClassName,
-//     LPCTSTR   lpWindowName,
-//     DWORD     dwStyle,
-//     int       x,
-//     int       y,
-//     int       nWidth,
-//     int       nHeight,
-//     HWND      hWndParent,
-//     HMENU     hMenu,
-//     HINSTANCE hInstance,
-//     LPVOID    lpParam
-// );
-
 #endif
\ No newline at end of file
diff --git a/ldmicro/maincontrols.cpp b/ldmicro/maincontrols.cpp
index 20cc906..2d2716b 100644
--- a/ldmicro/maincontrols.cpp
+++ b/ldmicro/maincontrols.cpp
@@ -498,6 +498,136 @@ void MakeMainWindowControls(void)
 }
 
 //-----------------------------------------------------------------------------
+// Adjust the size and visibility of the scrollbars as necessary, either due
+// to a change in the size of the program or a change in the size of the
+// window.
+//-----------------------------------------------------------------------------
+void RefreshScrollbars(void)
+{
+    // SCROLLINFO vert, horiz;
+    // SetUpScrollbars(&NeedHoriz, &horiz, &vert);
+    // SetScrollInfo(HorizScrollBar, SB_CTL, &horiz, TRUE);
+    // SetScrollInfo(VertScrollBar, SB_CTL, &vert, TRUE);
+
+    // RECT main;
+    // GetClientRect(MainWindow, &main);
+
+    // if(NeedHoriz) {
+    //     MoveWindow(HorizScrollBar, 0, IoListTop - ScrollHeight - 2,
+    //         main.right - ScrollWidth - 2, ScrollHeight, TRUE);
+    //     ShowWindow(HorizScrollBar, SW_SHOW);
+    //     EnableWindow(HorizScrollBar, TRUE);
+    // } else {
+    //     ShowWindow(HorizScrollBar, SW_HIDE);
+    // }
+    // MoveWindow(VertScrollBar, main.right - ScrollWidth - 2, 1, ScrollWidth,
+    //     NeedHoriz ? (IoListTop - ScrollHeight - 4) : (IoListTop - 3), TRUE);
+
+    // MoveWindow(VertScrollBar, main.right - ScrollWidth - 2, 1, ScrollWidth,
+    //     NeedHoriz ? (IoListTop - ScrollHeight - 4) : (IoListTop - 3), TRUE);
+
+    // InvalidateRect(MainWindow, NULL, FALSE);
+}
+
+//-----------------------------------------------------------------------------
+// Respond to a WM_VSCROLL sent to the main window, presumably by the one and
+// only vertical scrollbar that it has as a child.
+//-----------------------------------------------------------------------------
+void VscrollProc(WPARAM wParam)
+{
+    // int prevY = ScrollYOffset;
+    // switch(LOWORD(wParam)) {
+    //     case SB_LINEUP:
+    //     case SB_PAGEUP:
+    //         if(ScrollYOffset > 0) {
+    //             ScrollYOffset--;
+    //         }
+    //         break;
+
+    //     case SB_LINEDOWN:
+    //     case SB_PAGEDOWN:
+    //         if(ScrollYOffset < ScrollYOffsetMax) {
+    //             ScrollYOffset++;
+    //         }
+    //         break;
+
+    //     case SB_TOP:
+    //         ScrollYOffset = 0;
+    //         break;
+
+    //     case SB_BOTTOM:
+    //         ScrollYOffset = ScrollYOffsetMax;
+    //         break;
+
+    //     case SB_THUMBTRACK:
+    //     case SB_THUMBPOSITION:
+    //         ScrollYOffset = HIWORD(wParam);
+    //         break;
+    // }
+    // if(prevY != ScrollYOffset) {
+    //     SCROLLINFO si;
+    //     si.cbSize = sizeof(si);
+    //     si.fMask = SIF_POS;
+    //     si.nPos = ScrollYOffset;
+    //     SetScrollInfo(VertScrollBar, SB_CTL, &si, TRUE);
+
+    //     InvalidateRect(MainWindow, NULL, FALSE);
+    // }
+}
+
+//-----------------------------------------------------------------------------
+// Respond to a WM_HSCROLL sent to the main window, presumably by the one and
+// only horizontal scrollbar that it has as a child.
+//-----------------------------------------------------------------------------
+void HscrollProc(WPARAM wParam)
+{
+    // int prevX = ScrollXOffset;
+    // switch(LOWORD(wParam)) {
+    //     case SB_LINEUP:
+    //         ScrollXOffset -= FONT_WIDTH;
+    //         break;
+
+    //     case SB_PAGEUP:
+    //         ScrollXOffset -= POS_WIDTH*FONT_WIDTH;
+    //         break;
+
+    //     case SB_LINEDOWN:
+    //         ScrollXOffset += FONT_WIDTH;
+    //         break;
+
+    //     case SB_PAGEDOWN:
+    //         ScrollXOffset += POS_WIDTH*FONT_WIDTH;
+    //         break;
+
+    //     case SB_TOP:
+    //         ScrollXOffset = 0;
+    //         break;
+
+    //     case SB_BOTTOM:
+    //         ScrollXOffset = ScrollXOffsetMax;
+    //         break;
+
+    //     case SB_THUMBTRACK:
+    //     case SB_THUMBPOSITION:
+    //         ScrollXOffset = HIWORD(wParam);
+    //         break;
+    // }
+
+    // if(ScrollXOffset > ScrollXOffsetMax) ScrollXOffset = ScrollXOffsetMax;
+    // if(ScrollXOffset < 0) ScrollXOffset = 0;
+
+    // if(prevX != ScrollXOffset) {
+    //     SCROLLINFO si;
+    //     si.cbSize = sizeof(si);
+    //     si.fMask = SIF_POS;
+    //     si.nPos = ScrollXOffset;
+    //     SetScrollInfo(HorizScrollBar, SB_CTL, &si, TRUE);
+
+    //     InvalidateRect(MainWindow, NULL, FALSE);
+    // }
+}
+
+//-----------------------------------------------------------------------------
 // Set up the title bar text for the main window; indicate whether we are in
 // simulation or editing mode, and indicate the filename.
 //-----------------------------------------------------------------------------
diff --git a/ldmicro/miscutil.cpp b/ldmicro/miscutil.cpp
index 4fddcf4..092f606 100644
--- a/ldmicro/miscutil.cpp
+++ b/ldmicro/miscutil.cpp
@@ -259,8 +259,9 @@ static LRESULT CALLBACK DialogProc(HWND hwnd, UINT msg, WPARAM wParam,
 //-----------------------------------------------------------------------------
 // Set the font of a control to a pretty proportional font (typ. Tahoma).
 //-----------------------------------------------------------------------------
-void NiceFont(HWND h)
+void NiceFont(HWID h)
 {
+    // gtk_widget_override_font(GTK_WIDGET(h), pango_font_description_from_string("Times New Roman"));
 //    SendMessage(h, WM_SETFONT, (WPARAM)MyNiceFont, TRUE);
 }