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@ -56,6 +56,21 @@ static Window *_last_scroll_window = nullptr; ///< Window of the last scroll eve
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/** List of windows opened at the screen sorted from the front to back. */
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WindowList _z_windows;
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/** List of closed windows to delete. */
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/* static */ std::vector<Window *> Window::closed_windows;
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/**
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* Delete all closed windows.
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*/
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/* static */ void Window::DeleteClosedWindows()
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{
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for (Window *w : Window::closed_windows) delete w;
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Window::closed_windows.clear();
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/* Remove dead entries from the window list */
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_z_windows.remove(nullptr);
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}
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/** If false, highlight is white, otherwise the by the widget defined colour. */
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bool _window_highlight_colour = false;
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@ -705,7 +720,7 @@ static void DispatchLeftClickEvent(Window *w, int x, int y, int click_count)
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}
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case WWT_CLOSEBOX: // 'X'
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delete w;
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w->Close();
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return;
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case WWT_CAPTION: // 'Title bar'
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@ -793,7 +808,7 @@ static void DispatchRightClickEvent(Window *w, int x, int y)
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/* Right-click close is enabled and there is a closebox */
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if (_settings_client.gui.right_mouse_wnd_close && w->nested_root->GetWidgetOfType(WWT_CLOSEBOX)) {
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delete w;
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w->Close();
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} else if (_settings_client.gui.hover_delay_ms == 0 && !w->OnTooltip(pt, wid->index, TCC_RIGHT_CLICK) && wid->tool_tip != 0) {
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GuiShowTooltips(w, wid->tool_tip, 0, nullptr, TCC_RIGHT_CLICK);
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}
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@ -1068,16 +1083,21 @@ void Window::DeleteChildWindows(WindowClass wc) const
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{
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Window *child = FindChildWindow(this, wc);
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while (child != nullptr) {
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delete child;
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child->Close();
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child = FindChildWindow(this, wc);
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}
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}
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/**
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* Remove window and all its child windows from the window stack.
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* Hide the window and all its child windows, and mark them for a later deletion.
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*/
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Window::~Window()
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void Window::Close()
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{
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/* Don't close twice. */
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if (*this->z_position == nullptr) return;
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*this->z_position = nullptr;
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if (_thd.window_class == this->window_class &&
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_thd.window_number == this->window_number) {
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ResetObjectToPlace();
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@ -1094,21 +1114,29 @@ Window::~Window()
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/* Make sure we don't try to access this window as the focused window when it doesn't exist anymore. */
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if (_focused_window == this) {
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/* Virtual functions get called statically in destructors, so make it explicit to remove any confusion. */
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this->Window::OnFocusLost();
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this->OnFocusLost();
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_focused_window = nullptr;
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}
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this->DeleteChildWindows();
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if (this->viewport != nullptr) DeleteWindowViewport(this);
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this->SetDirty();
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Window::closed_windows.push_back(this);
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}
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/**
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* Remove window and all its child windows from the window stack.
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*/
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Window::~Window()
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{
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/* Make sure the window is closed, deletion is allowed only in Window::DeleteClosedWindows(). */
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assert(*this->z_position == nullptr);
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if (this->viewport != nullptr) DeleteWindowViewport(this);
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free(this->nested_array); // Contents is released through deletion of #nested_root.
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delete this->nested_root;
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*this->z_position = nullptr;
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}
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/**
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@ -1151,7 +1179,7 @@ void DeleteWindowById(WindowClass cls, WindowNumber number, bool force)
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{
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Window *w = FindWindowById(cls, number);
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if (w != nullptr && (force || (w->flags & WF_STICKY) == 0)) {
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delete w;
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w->Close();
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}
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}
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@ -1164,7 +1192,7 @@ void DeleteWindowByClass(WindowClass cls)
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/* Note: the container remains stable, even when deleting windows. */
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for (Window *w : Window::Iterate()) {
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if (w->window_class == cls) {
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delete w;
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w->Close();
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}
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}
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}
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@ -1180,7 +1208,7 @@ void DeleteCompanyWindows(CompanyID id)
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/* Note: the container remains stable, even when deleting windows. */
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for (Window *w : Window::Iterate()) {
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if (w->owner == id) {
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delete w;
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w->Close();
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}
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}
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@ -1818,9 +1846,11 @@ void UnInitWindowSystem()
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{
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UnshowCriticalError();
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for (Window *w : Window::Iterate()) delete w;
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for (Window *w : Window::Iterate()) w->Close();
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_z_windows.clear();
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Window::DeleteClosedWindows();
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assert(_z_windows.empty());
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}
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/**
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@ -2968,7 +2998,7 @@ static void CheckSoftLimit()
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if (deletable_count <= _settings_client.gui.window_soft_limit) break;
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assert(last_deletable != nullptr);
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delete last_deletable;
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last_deletable->Close();
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}
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}
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@ -2983,14 +3013,8 @@ void InputLoop()
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CheckSoftLimit();
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/* Remove dead entries from the window list */
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for (auto it = _z_windows.begin(); it != _z_windows.end(); ) {
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if (*it == nullptr) {
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it = _z_windows.erase(it);
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} else {
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++it;
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}
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}
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/* Process scheduled window deletion. */
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Window::DeleteClosedWindows();
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if (_input_events_this_tick != 0) {
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/* The input loop is called only once per GameLoop() - so we can clear the counter here */
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@ -3237,7 +3261,7 @@ void CallWindowGameTickEvent()
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void DeleteNonVitalWindows()
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{
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/* Note: the container remains stable, even when deleting windows. */
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for (const Window *w : Window::Iterate()) {
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for (Window *w : Window::Iterate()) {
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if (w->window_class != WC_MAIN_WINDOW &&
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w->window_class != WC_SELECT_GAME &&
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w->window_class != WC_MAIN_TOOLBAR &&
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@ -3245,7 +3269,7 @@ void DeleteNonVitalWindows()
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w->window_class != WC_TOOLTIPS &&
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(w->flags & WF_STICKY) == 0) { // do not delete windows which are 'pinned'
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delete w;
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w->Close();
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}
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}
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}
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@ -3263,9 +3287,9 @@ void DeleteAllNonVitalWindows()
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DeleteNonVitalWindows();
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/* Note: the container remains stable, even when deleting windows. */
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for (const Window *w : Window::Iterate()) {
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for (Window *w : Window::Iterate()) {
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if (w->flags & WF_STICKY) {
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delete w;
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w->Close();
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}
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}
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}
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@ -3288,9 +3312,9 @@ void DeleteAllMessages()
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void DeleteConstructionWindows()
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{
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/* Note: the container remains stable, even when deleting windows. */
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for (const Window *w : Window::Iterate()) {
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for (Window *w : Window::Iterate()) {
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if (w->window_desc->flags & WDF_CONSTRUCTION) {
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delete w;
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w->Close();
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}
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}
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@ -3483,12 +3507,11 @@ void RelocateAllWindows(int neww, int newh)
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}
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/**
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* Destructor of the base class PickerWindowBase
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* Main utility is to stop the base Window destructor from triggering
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* a free while the child will already be free, in this case by the ResetObjectToPlace().
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* Hide the window and all its child windows, and mark them for a later deletion.
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* Always call ResetObjectToPlace() when closing a PickerWindow.
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*/
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PickerWindowBase::~PickerWindowBase()
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void PickerWindowBase::Close()
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{
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*this->z_position = nullptr; // stop the ancestor from freeing the already (to be) child
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ResetObjectToPlace();
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this->Window::Close();
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}
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glx22
3 years ago
committed by
Loïc Guilloux