virtual void OnClick(Point pt, int widget, int click_count)
{
switch (widget) {
case WID_EV_ZOOM_IN: DoZoomInOutWindow(ZOOM_IN, this); break;
case WID_EV_ZOOM_OUT: DoZoomInOutWindow(ZOOM_OUT, this); break;
case WID_EV_MAIN_TO_VIEW: { // location button (move main view to same spot as this view) 'Paste Location'
Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
int x = this->viewport->scrollpos_x; // Where is the main looking at
int y = this->viewport->scrollpos_y;
/* set this view to same location. Based on the center, adjusting for zoom */
w->viewport->dest_scrollpos_x = x - (w->viewport->virtual_width - this->viewport->virtual_width) / 2;
w->viewport->dest_scrollpos_y = y - (w->viewport->virtual_height - this->viewport->virtual_height) / 2;
w->viewport->follow_vehicle = INVALID_VEHICLE;
break;
}
case WID_EV_VIEW_TO_MAIN: { // inverse location button (move this view to same spot as main view) 'Copy Location'
const Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
int x = w->viewport->scrollpos_x;
int y = w->viewport->scrollpos_y;
this->viewport->dest_scrollpos_x = x + (w->viewport->virtual_width - this->viewport->virtual_width) / 2;
this->viewport->dest_scrollpos_y = y + (w->viewport->virtual_height - this->viewport->virtual_height) / 2;
break;
}
}
}
void ResetViewportAfterLoadGame()
{
Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
w->viewport->scrollpos_x = _saved_scrollpos_x;
w->viewport->scrollpos_y = _saved_scrollpos_y;
w->viewport->dest_scrollpos_x = _saved_scrollpos_x;
w->viewport->dest_scrollpos_y = _saved_scrollpos_y;
ViewPort *vp = w->viewport;
vp->zoom = (ZoomLevel)min(_saved_scrollpos_zoom, ZOOM_LVL_MAX);
vp->virtual_width = ScaleByZoom(vp->width, vp->zoom);
vp->virtual_height = ScaleByZoom(vp->height, vp->zoom);
/* If zoom_max is ZOOM_LVL_MIN then the setting has not been loaded yet, therefore all levels are allowed. */
if (_settings_client.gui.zoom_max != ZOOM_LVL_MIN) {
/* Ensure zoom level is allowed */
while (vp->zoom < _settings_client.gui.zoom_min) DoZoomInOutWindow(ZOOM_OUT, w);
while (vp->zoom > _settings_client.gui.zoom_max) DoZoomInOutWindow(ZOOM_IN, w);
}
DoZoomInOutWindow(ZOOM_NONE, w); // update button status
MarkWholeScreenDirty();
}
void ZoomInOrOutToCursorWindow(bool in, Window *w)
{
assert(w != NULL);
if (_game_mode != GM_MENU) {
ViewPort *vp = w->viewport;
if ((in && vp->zoom <= _settings_client.gui.zoom_min) || (!in && vp->zoom >= _settings_client.gui.zoom_max)) return;
Point pt = GetTileZoomCenterWindow(in, w);
if (pt.x != -1) {
ScrollWindowTo(pt.x, pt.y, -1, w, true);
DoZoomInOutWindow(in ? ZOOM_IN : ZOOM_OUT, w);
}
}
}
void ResetViewportAfterLoadGame()
{
Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
w->viewport->scrollpos_x = _saved_scrollpos_x;
w->viewport->scrollpos_y = _saved_scrollpos_y;
w->viewport->dest_scrollpos_x = _saved_scrollpos_x;
w->viewport->dest_scrollpos_y = _saved_scrollpos_y;
ViewPort *vp = w->viewport;
vp->zoom = (ZoomLevel)min(_saved_scrollpos_zoom, ZOOM_LVL_MAX);
vp->virtual_width = ScaleByZoom(vp->width, vp->zoom);
vp->virtual_height = ScaleByZoom(vp->height, vp->zoom);
DoZoomInOutWindow(ZOOM_NONE, w); // update button status
MarkWholeScreenDirty();
}
