/*
ANT_CANVAS::MENU()
------------------
*/
void ANT_canvas::menu(WORD clicked)
{
SCROLLINFO scrollbar;
long long lines;
switch (clicked)
{
/*
FILE MENU
*/
case ID_FILE_EXIT:
PostQuitMessage(0);
break;
case ID_FILE_OPEN_FILE:
lines = load_file();
set_scroll_position(1, file->get_current_line_number(), file->get_page_size(), file->get_lines_in_file());
break;
}
}
void
tm_window_rep::set_scroll_pos (SI x, SI y) {
set_scroll_position (wid, x, y);
}
/*
ANT_CANVAS::WINDOWS_CALLBACK()
------------------------------
*/
LRESULT ANT_canvas::windows_callback(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch(message)
{
case WM_CREATE:
file->set_window_size(((CREATESTRUCT *)lParam)->cx, ((CREATESTRUCT *)lParam)->cy);
file->read_file((char *)(L"c:\\ant\\edit\\main.c"));
return 0;
case WM_CLOSE:
PostQuitMessage(0);
return 0;
case WM_SYSKEYDOWN:
case WM_KEYDOWN:
return 0;
case WM_SYSKEYUP:
case WM_KEYUP:
return 0;
case WM_VSCROLL:
{
long long new_line, new_position;
switch LOWORD(wParam)
{
case SB_LINEUP:
new_line = file->line_up();
break;
case SB_LINEDOWN:
new_line = file->line_down();
break;
case SB_PAGEUP:
new_line = file->page_up();
break;
case SB_PAGEDOWN:
new_line = file->page_down();
break;
case SB_BOTTOM:
new_line = file->file_end();
break;
case SB_TOP:
new_line = file->file_start();
break;
case SB_ENDSCROLL: // user has finished scrolling, do nothing
break;
case SB_THUMBPOSITION: // user is tracking the scroll bar
case SB_THUMBTRACK:
new_position = HIWORD(wParam);
new_line = file->goto_line(new_position);
break;
}
set_scroll_position(1, file->get_current_line_number(), file->get_page_size(), file->get_lines_in_file());
InvalidateRect(window, NULL, true);
return 0;
}
case WM_PAINT:
render();
return 0;
case WM_TIMER:
return 0;
case WM_MOUSEWHEEL:
{
long long lines = GET_WHEEL_DELTA_WPARAM(wParam) / WHEEL_DELTA;
long long current;
if (lines > 0)
for (current = 0; current < lines; current++)
{
file->line_up();
file->line_up();
file->line_up();
}
else
for (current = 0; current > lines; current--)
{
file->line_down();
file->line_down();
file->line_down();
}
set_scroll_position(1, file->get_current_line_number(), file->get_page_size(), file->get_lines_in_file());
InvalidateRect(window, NULL, true);
return 0;
}
case WM_SIZE:
file->set_window_size(LOWORD(lParam), HIWORD(lParam));
return 0;
case WM_COMMAND:
if (LOWORD(wParam) == IDCANCEL) // ESC key
{
}
else
menu(LOWORD(wParam));
return 0;
}
return (DefWindowProc(hwnd,message,wParam,lParam));
}
