Mercurial > hg > openttd
changeset 11081:0a26df8849a2 draft
(svn r15424) -Codechange: make it possible to have multiple windows with edit box open simultaniously (Zuu).
author | rubidium <rubidium@openttd.org> |
---|---|
date | Mon, 09 Feb 2009 01:22:29 +0000 |
parents | 02d314ea4f63 |
children | 9ec1f7eac0a0 |
files | src/console_gui.cpp src/genworld_gui.cpp src/misc_gui.cpp src/network/network_chat_gui.cpp src/network/network_content_gui.cpp src/network/network_gui.cpp src/osk_gui.cpp src/querystring_gui.h src/signs_gui.cpp src/statusbar_gui.cpp src/toolbar_gui.cpp src/window.cpp src/window_gui.h |
diffstat | 13 files changed, 232 insertions(+), 55 deletions(-) [+] |
line wrap: on
line diff
--- a/src/console_gui.cpp +++ b/src/console_gui.cpp @@ -150,7 +150,6 @@ IConsoleWindow(const WindowDesc *desc) : Window(desc) { _iconsole_mode = ICONSOLE_OPENED; - _no_scroll++; // override cursor arrows; the gamefield will not scroll this->height = _screen.height / 3; this->width = _screen.width; @@ -159,7 +158,6 @@ ~IConsoleWindow() { _iconsole_mode = ICONSOLE_CLOSED; - _no_scroll--; } virtual void OnPaint() @@ -180,7 +178,7 @@ DoDrawString(_iconsole_cmdline.buf, 10 + delta, this->height - ICON_LINE_HEIGHT, CC_COMMAND); - if (_iconsole_cmdline.caret) { + if (_focused_window == this && _iconsole_cmdline.caret) { DoDrawString("_", 10 + delta + _iconsole_cmdline.caretxoffs, this->height - ICON_LINE_HEIGHT, TC_WHITE); } } @@ -201,6 +199,8 @@ virtual EventState OnKeyPress(uint16 key, uint16 keycode) { + if (_focused_window != this) return ES_NOT_HANDLED; + const int scroll_height = (this->height / ICON_LINE_HEIGHT) - 1; switch (keycode) { case WKC_UP:
--- a/src/genworld_gui.cpp +++ b/src/genworld_gui.cpp @@ -302,6 +302,7 @@ /* snprintf() always outputs trailing '\0', so whole buffer can be used */ snprintf(this->edit_str_buf, this->edit_str_size, "%u", _settings_newgame.game_creation.generation_seed); InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size, 120); + this->SetFocusedWidget(GLAND_RANDOM_EDITBOX); this->caption = STR_NULL; this->afilter = CS_NUMERAL;
--- a/src/misc_gui.cpp +++ b/src/misc_gui.cpp @@ -951,8 +951,19 @@ return false; } +bool QueryString::HasEditBoxFocus(const Window *w, int wid) const +{ + return ((w->window_class == WC_OSK && + _focused_window == w->parent && + w->parent->focused_widget && + w->parent->focused_widget->type == WWT_EDITBOX) || + w->IsWidgetGloballyFocused(wid)); +} + HandleEditBoxResult QueryString::HandleEditBoxKey(Window *w, int wid, uint16 key, uint16 keycode, Window::EventState &state) { + if (!QueryString::HasEditBoxFocus(w, wid)) return HEBR_NOT_FOCUSED; + state = Window::ES_HANDLED; switch (keycode) { @@ -990,7 +1001,7 @@ void QueryString::HandleEditBox(Window *w, int wid) { - if (HandleCaret(&this->text)) { + if (HasEditBoxFocus(w, wid) && HandleCaret(&this->text)) { w->InvalidateWidget(wid); /* When we're not the OSK, notify 'our' OSK to redraw the widget, * so the caret changes appropriately. */ @@ -1034,7 +1045,7 @@ if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs; DoDrawString(tb->buf, delta, 0, TC_YELLOW); - if (tb->caret) DoDrawString("_", tb->caretxoffs + delta, 0, TC_WHITE); + if (HasEditBoxFocus(w, wid) && tb->caret) DoDrawString("_", tb->caretxoffs + delta, 0, TC_WHITE); _cur_dpi = old_dpi; } @@ -1072,6 +1083,7 @@ QueryStringWindow(uint16 size, const WindowDesc *desc, Window *parent) : QueryStringBaseWindow(size, desc) { this->parent = parent; + this->SetFocusedWidget(QUERY_STR_WIDGET_TEXT); this->FindWindowPlacementAndResize(desc); } @@ -1130,6 +1142,7 @@ case HEBR_CONFIRM: this->OnOk(); /* FALL THROUGH */ case HEBR_CANCEL: delete this; break; // close window, abandon changes + case HEBR_NOT_FOCUSED: break; } return state; } @@ -1180,7 +1193,6 @@ void ShowQueryString(StringID str, StringID caption, uint maxsize, uint maxwidth, Window *parent, CharSetFilter afilter, QueryStringFlags flags) { DeleteWindowById(WC_QUERY_STRING, 0); - DeleteWindowById(WC_SAVELOAD, 0); QueryStringWindow *w = new QueryStringWindow(maxsize, &_query_string_desc, parent); @@ -1500,6 +1512,11 @@ strecpy(o_dir.name, _personal_dir, lastof(o_dir.name)); } + /* Focus the edit box by default in the save windows */ + if (_saveload_mode == SLD_SAVE_GAME || _saveload_mode == SLD_SAVE_SCENARIO) { + this->SetFocusedWidget(SLWW_SAVE_OSK_TITLE); + } + this->vscroll.cap = 10; this->resize.step_width = 2; this->resize.step_height = 10; @@ -1708,7 +1725,6 @@ void ShowSaveLoadDialog(SaveLoadDialogMode mode) { - DeleteWindowById(WC_QUERY_STRING, 0); DeleteWindowById(WC_SAVELOAD, 0); const WindowDesc *sld;
--- a/src/network/network_chat_gui.cpp +++ b/src/network/network_chat_gui.cpp @@ -278,6 +278,7 @@ this->dest = dest; this->afilter = CS_ALPHANUMERAL; InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size, 0); + this->SetFocusedWidget(NWCW_TEXTBOX); InvalidateWindowData(WC_NEWS_WINDOW, 0, this->height); @@ -480,6 +481,7 @@ SendChat(this->text.buf, this->dtype, this->dest); /* FALLTHROUGH */ case HEBR_CANCEL: delete this; break; + case HEBR_NOT_FOCUSED: break; } } return state;
--- a/src/network/network_content_gui.cpp +++ b/src/network/network_content_gui.cpp @@ -317,6 +317,7 @@ ttd_strlcpy(this->edit_str_buf, "", this->edit_str_size); this->afilter = CS_ALPHANUMERAL; InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size, EDITBOX_MAX_LENGTH); + this->SetFocusedWidget(NCLWW_FILTER); this->vscroll.cap = 14; this->resize.step_height = 14;
--- a/src/network/network_gui.cpp +++ b/src/network/network_gui.cpp @@ -308,6 +308,7 @@ ttd_strlcpy(this->edit_str_buf, _settings_client.network.client_name, this->edit_str_size); this->afilter = CS_ALPHANUMERAL; InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size, 120); + this->SetFocusedWidget(NGWW_CLIENT); UpdateNetworkGameWindow(true); @@ -879,6 +880,7 @@ this->afilter = CS_ALPHANUMERAL; InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size, 160); + this->SetFocusedWidget(NSSW_GAMENAME); this->field = NSSW_GAMENAME; @@ -1882,6 +1884,7 @@ this->parent = parent; this->afilter = CS_ALPHANUMERAL; InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size, 0); + this->SetFocusedWidget(NCPWW_PASSWORD); this->FindWindowPlacementAndResize(desc); }
--- a/src/osk_gui.cpp +++ b/src/osk_gui.cpp @@ -131,6 +131,21 @@ } switch (widget) { + case OSK_WIDGET_TEXT: + /* Find the edit box of the parent window and give focus to that */ + for (uint i = 0; i < this->parent->widget_count; i++) { + Widget &wi = this->parent->widget[i]; + if (wi.type == WWT_EDITBOX) { + this->parent->focused_widget = &wi; + break; + } + } + + /* Give focus to parent window */ + SetFocusedWindow(this->parent); + + break; + case OSK_WIDGET_BACKSPACE: if (DeleteTextBufferChar(&this->qs->text, WKC_BACKSPACE)) this->InvalidateParent(); break;
--- a/src/querystring_gui.h +++ b/src/querystring_gui.h @@ -16,6 +16,7 @@ HEBR_EDITING = 0, // Other key pressed. HEBR_CONFIRM, // Return or enter key pressed. HEBR_CANCEL, // Escape key pressed. + HEBR_NOT_FOCUSED, // Edit box widget not focused. }; /** @@ -43,6 +44,7 @@ free((void*)this->orig); } + bool HasEditBoxFocus(const Window *w, int wid) const; void DrawEditBox(Window *w, int wid); void HandleEditBox(Window *w, int wid); HandleEditBoxResult HandleEditBoxKey(Window *w, int wid, uint16 key, uint16 keycode, Window::EventState &state);
--- a/src/signs_gui.cpp +++ b/src/signs_gui.cpp @@ -196,6 +196,7 @@ this->LowerWidget(QUERY_EDIT_SIGN_WIDGET_TEXT); UpdateSignEditWindow(si); + this->SetFocusedWidget(QUERY_EDIT_SIGN_WIDGET_TEXT); this->FindWindowPlacementAndResize(desc); } @@ -216,6 +217,7 @@ InitializeTextBuffer(&this->text, this->edit_str_buf, this->edit_str_size, MAX_LENGTH_SIGN_NAME_PIXELS); this->InvalidateWidget(QUERY_EDIT_SIGN_WIDGET_TEXT); + this->SetFocusedWidget(QUERY_EDIT_SIGN_WIDGET_TEXT); } /** @@ -347,9 +349,8 @@ void ShowRenameSignWindow(const Sign *si) { - /* Delete all other edit windows and the save window */ + /* Delete all other edit windows */ DeleteWindowById(WC_QUERY_STRING, 0); - DeleteWindowById(WC_SAVELOAD, 0); new SignWindow(&_query_sign_edit_desc, si); }
--- a/src/statusbar_gui.cpp +++ b/src/statusbar_gui.cpp @@ -185,7 +185,7 @@ static WindowDesc _main_status_desc = { WDP_CENTER, 0, 320, 12, 640, 12, WC_STATUS_BAR, WC_NONE, - WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS, + WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_NO_FOCUS, _main_status_widgets, };
--- a/src/toolbar_gui.cpp +++ b/src/toolbar_gui.cpp @@ -1184,7 +1184,7 @@ static const WindowDesc _toolb_normal_desc = { 0, 0, 0, TBP_BUTTONHEIGHT, 640, TBP_BUTTONHEIGHT, WC_MAIN_TOOLBAR, WC_NONE, - WDF_STD_TOOLTIPS | WDF_DEF_WIDGET, + WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_NO_FOCUS, _toolb_normal_widgets, }; @@ -1437,7 +1437,7 @@ static const WindowDesc _toolb_scen_desc = { 0, 0, 130, TBP_BUTTONHEIGHT, 640, TBP_BUTTONHEIGHT, WC_MAIN_TOOLBAR, WC_NONE, - WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS, + WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_NO_FOCUS, _toolb_scen_widgets, };
--- a/src/window.cpp +++ b/src/window.cpp @@ -34,7 +34,13 @@ /** List of windows opened at the screen sorted from the back. */ Window *_z_back_window = NULL; -byte _no_scroll; +/* + * Window that currently have focus. - The main purpose is to generate + * FocusLost events, not to give next window in z-order focus when a + * window is closed. + */ +Window *_focused_window; + Point _cursorpos_drag_start; int _scrollbar_start_pos; @@ -46,6 +52,51 @@ byte _special_mouse_mode; +/** + * Set the window that has the focus + * @param w The window to set the focus on + */ +void SetFocusedWindow(Window *w) +{ + if (_focused_window == w) return; + + /* Invalidate focused widget */ + if (_focused_window != NULL && _focused_window->focused_widget != NULL) { + uint focused_widget_id = _focused_window->focused_widget - _focused_window->widget; + _focused_window->InvalidateWidget(focused_widget_id); + } + + /* Remember which window was previously focused */ + Window *old_focused = _focused_window; + _focused_window = w; + + /* So we can inform it that it lost focus */ + if (old_focused != NULL) old_focused->OnFocusLost(); + if (_focused_window != NULL) _focused_window->OnFocus(); +} + +/** + * Gets the globally focused widget. Which is the focused widget of the focused window. + * @return A pointer to the globally focused Widget, or NULL if there is no globally focused widget. + */ +const Widget *GetGloballyFocusedWidget() +{ + return _focused_window != NULL ? _focused_window->focused_widget : NULL; +} + +/** + * Check if an edit box is in global focus. That is if focused window + * has a edit box as focused widget, or if a console is focused. + * @return returns true if an edit box is in global focus or if the focused window is a console, else false + */ +bool EditBoxInGlobalFocus() +{ + const Widget *wi = GetGloballyFocusedWidget(); + + /* The console does not have an edit box so a special case is needed. */ + return (wi != NULL && wi->type == WWT_EDITBOX) || + (_focused_window != NULL && _focused_window->window_class == WC_CONSOLE); +} /** * Sets the enabled/disabled status of a list of widgets. @@ -147,6 +198,18 @@ this->InvalidateWidget(widget); } +/** + * Checks if the window has at least one widget of given type + * @param widget_type the widget type to look for + */ +bool Window::HasWidgetOfType(WidgetType widget_type) const +{ + for (uint i = 0; i < this->widget_count; i++) { + if (this->widget[i].type == widget_type) return true; + } + return false; +} + static void StartWindowDrag(Window *w); static void StartWindowSizing(Window *w); @@ -159,9 +222,26 @@ */ static void DispatchLeftClickEvent(Window *w, int x, int y, bool double_click) { + bool focused_widget_changed = false; int widget = 0; if (w->desc_flags & WDF_DEF_WIDGET) { widget = GetWidgetFromPos(w, x, y); + + /* If clicked on a window that previously did dot have focus */ + if (_focused_window != w && + (w->desc_flags & WDF_NO_FOCUS) == 0 && // Don't lose focus to toolbars + !(w->desc_flags & WDF_STD_BTN && widget == 0)) { // Don't change focused window if 'X' (close button) was clicked + focused_widget_changed = true; + if (_focused_window != NULL) { + _focused_window->OnFocusLost(); + + /* The window that lost focus may have had opened a OSK, window so close it, unless the user has clicked on the OSK window. */ + if (w->window_class != WC_OSK) DeleteWindowById(WC_OSK, 0); + } + SetFocusedWindow(w); + w->OnFocus(); + } + if (widget < 0) return; // exit if clicked outside of widgets /* don't allow any interaction if the button has been disabled */ @@ -169,6 +249,24 @@ const Widget *wi = &w->widget[widget]; + /* Clicked on a widget that is not disabled. + * So unless the clicked widget is the caption bar, change focus to this widget */ + if (wi->type != WWT_CAPTION) { + /* Close the OSK window if a edit box loses focus */ + if (w->focused_widget && w->focused_widget->type == WWT_EDITBOX && // An edit box was previously selected + w->focused_widget != wi && // and focus is going to change + w->window_class != WC_OSK) { // and it is not the OSK window + DeleteWindowById(WC_OSK, 0); + } + + if (w->focused_widget != wi) { + /* Repaint the widget that loss focus. A focused edit box may else leave the caret left on the screen */ + if (w->focused_widget) w->InvalidateWidget(w->focused_widget - w->widget); + focused_widget_changed = true; + w->focused_widget = wi; + } + } + if (wi->type & WWB_MASK) { /* special widget handling for buttons*/ switch (wi->type) { @@ -181,7 +279,7 @@ } } else if (wi->type == WWT_SCROLLBAR || wi->type == WWT_SCROLL2BAR || wi->type == WWT_HSCROLLBAR) { ScrollbarClickHandler(w, wi, x, y); - } else if (wi->type == WWT_EDITBOX) { + } else if (wi->type == WWT_EDITBOX && !focused_widget_changed) { // Only open the OSK window if clicking on an already focused edit box /* Open the OSK window if clicked on an edit box */ QueryStringBaseWindow *qs = dynamic_cast<QueryStringBaseWindow*>(w); if (qs != NULL) { @@ -431,18 +529,16 @@ /* Prevent Mouseover() from resetting mouse-over coordinates on a non-existing window */ if (_mouseover_last_w == this) _mouseover_last_w = NULL; + /* Make sure we don't try to access this window as the focused window when it don't exist anymore. */ + if (_focused_window == this) _focused_window = NULL; + this->DeleteChildWindows(); if (this->viewport != NULL) DeleteWindowViewport(this); this->SetDirty(); - if (this->widget != NULL) { - for (const Widget *wi = this->widget; wi->type != WWT_LAST; wi++) { - if (wi->type == WWT_EDITBOX) _no_scroll--; - } - free(this->widget); - } + free(this->widget); this->window_class = WC_INVALID; } @@ -646,10 +742,6 @@ w->widget = MallocT<Widget>(index); memcpy(w->widget, widget, sizeof(*w->widget) * index); w->widget_count = index - 1; - - for (const Widget *wi = w->widget; wi->type != WWT_LAST; wi++) { - if (wi->type == WWT_EDITBOX) _no_scroll++; - } } else { w->widget = NULL; w->widget_count = 0; @@ -682,12 +774,18 @@ this->width = min_width; this->height = min_height; AssignWidgetToWindow(this, widget); + this->focused_widget = 0; this->resize.width = min_width; this->resize.height = min_height; this->resize.step_width = 1; this->resize.step_height = 1; this->window_number = window_number; + /* Give focus to the opened window unless it is the OSK window or a text box + * of focused window has focus (so we don't interrupt typing). But if the new + * window has a text box, then take focus anyway. */ + if (this->window_class != WC_OSK && (!EditBoxInGlobalFocus() || this->HasWidgetOfType(WWT_EDITBOX))) SetFocusedWindow(this); + /* Hacky way of specifying always-on-top windows. These windows are * always above other windows because they are moved below them. * status-bar is above news-window because it has been created earlier. @@ -1072,8 +1170,8 @@ _z_back_window = NULL; _z_front_window = NULL; + _focused_window = NULL; _mouseover_last_w = NULL; - _no_scroll = 0; _scrolling_viewport = 0; } @@ -1620,11 +1718,6 @@ */ void HandleKeypress(uint32 raw_key) { - /* Stores if a window with a textfield for typing is open - * If this is the case, keypress events are only passed to windows with text fields and - * to thein this main toolbar. */ - bool query_open = false; - /* * During the generation of the world, there might be * another thread that is currently building for example @@ -1654,29 +1747,16 @@ */ if (key == 0 && keycode == 0) return; - /* check if we have a query string window open before allowing hotkeys */ - if (FindWindowById(WC_QUERY_STRING, 0) != NULL || - FindWindowById(WC_SEND_NETWORK_MSG, 0) != NULL || - FindWindowById(WC_GENERATE_LANDSCAPE, 0) != NULL || - FindWindowById(WC_CONSOLE, 0) != NULL || - FindWindowById(WC_SAVELOAD, 0) != NULL || - FindWindowById(WC_COMPANY_PASSWORD_WINDOW, 0) != NULL) { - query_open = true; + /* Check if the focused window has a focused editbox */ + if (EditBoxInGlobalFocus()) { + /* All input will in this case go to the focused window */ + _focused_window->OnKeyPress(key, keycode); + return; } /* Call the event, start with the uppermost window. */ Window *w; FOR_ALL_WINDOWS_FROM_FRONT(w) { - /* if a query window is open, only call the event for certain window types */ - if (query_open && - w->window_class != WC_QUERY_STRING && - w->window_class != WC_SEND_NETWORK_MSG && - w->window_class != WC_GENERATE_LANDSCAPE && - w->window_class != WC_CONSOLE && - w->window_class != WC_SAVELOAD && - w->window_class != WC_COMPANY_PASSWORD_WINDOW) { - continue; - } if (w->OnKeyPress(key, keycode) == Window::ES_HANDLED) return; } @@ -1791,7 +1871,11 @@ static void HandleKeyScrolling() { - if (_dirkeys && !_no_scroll) { + /* + * Check that any of the dirkeys is pressed and that the focused window + * dont has an edit-box as focused widget. + */ + if (_dirkeys && !EditBoxInGlobalFocus()) { int factor = _shift_pressed ? 50 : 10; ScrollMainViewport(scrollamt[_dirkeys][0] * factor, scrollamt[_dirkeys][1] * factor); }
--- a/src/window_gui.h +++ b/src/window_gui.h @@ -59,6 +59,8 @@ WDF_STICKY_BUTTON = 1 << 5, ///< Set window to sticky mode; they are not closed unless closed with 'X' (widget 2) WDF_RESIZABLE = 1 << 6, ///< Window can be resized WDF_MODAL = 1 << 7, ///< The window is a modal child of some other window, meaning the parent is 'inactive' + + WDF_NO_FOCUS = 1 << 8, ///< This window won't get focus/make any other window lose focus when click }; /** @@ -154,6 +156,7 @@ Widget *widget; ///< Widgets of the window uint widget_count; ///< Number of widgets of the window uint32 desc_flags; ///< Window/widgets default flags setting, @see WindowDefaultFlag + const Widget *focused_widget; ///< Currently focused widget or NULL, if no widget has focus Window *parent; ///< Parent window Window *z_front; ///< The window in front of us in z-order @@ -169,6 +172,9 @@ void HideWidget(byte widget_index); void ShowWidget(byte widget_index); bool IsWidgetHidden(byte widget_index) const; + void SetFocusedWidget(byte widget_index); + bool IsWidgetGloballyFocused(byte widget_index) const; + bool IsWidgetFocused(byte widget_index) const; void SetWidgetLoweredState(byte widget_index, bool lowered_stat); void ToggleWidgetLoweredState(byte widget_index); void LowerWidget(byte widget_index); @@ -176,6 +182,7 @@ bool IsWidgetLowered(byte widget_index) const; void AlignWidgetRight(byte widget_index_a, byte widget_index_b); int GetWidgetWidth(byte widget_index) const; + bool HasWidgetOfType(WidgetType widget_type) const; void RaiseButtons(); void CDECL SetWidgetsDisabledState(bool disab_stat, int widgets, ...); @@ -198,6 +205,15 @@ */ virtual void OnPaint() {} + /** + * Called when window gains focus + */ + virtual void OnFocus() {} + + /** + * Called when window looses focus + */ + virtual void OnFocusLost() {} /** * A key has been pressed. @@ -423,6 +439,7 @@ /* window.cpp */ extern Window *_z_front_window; extern Window *_z_back_window; +extern Window *_focused_window; /** Iterate over all windows */ #define FOR_ALL_WINDOWS_FROM_BACK_FROM(w, start) for (w = start; w != NULL; w = w->z_front) if (w->window_class != WC_INVALID) @@ -430,12 +447,6 @@ #define FOR_ALL_WINDOWS_FROM_BACK(w) FOR_ALL_WINDOWS_FROM_BACK_FROM(w, _z_back_window) #define FOR_ALL_WINDOWS_FROM_FRONT(w) FOR_ALL_WINDOWS_FROM_FRONT_FROM(w, _z_front_window) -/** - * Disable scrolling of the main viewport when an input-window is active. - * This contains the count of windows with a textbox in them. - */ -extern byte _no_scroll; - extern Point _cursorpos_drag_start; extern int _scrollbar_start_pos; @@ -455,6 +466,10 @@ Window *GetCallbackWnd(); +void SetFocusedWindow(Window *w); +const Widget *GetGloballyFocusedWidget(); +bool EditBoxInGlobalFocus(); + void ScrollbarClickHandler(Window *w, const Widget *wi, int x, int y); void ResizeButtons(Window *w, byte left, byte right); @@ -550,6 +565,43 @@ return HasBit(this->widget[widget_index].display_flags, WIDG_HIDDEN); } + /** + * Set focus within this window to given widget. The function however don't + * change which window that has focus. + * @param widget_index : index of the widget in the window to set focus to + */ +inline void Window::SetFocusedWidget(byte widget_index) +{ + if (widget_index < this->widget_count) { + /* Repaint the widget that loss focus. A focused edit box may else leave the caret left on the screen */ + if (this->focused_widget && this->focused_widget - this->widget != widget_index) { + this->InvalidateWidget(this->focused_widget - this->widget); + } + this->focused_widget = &this->widget[widget_index]; + } +} + +/** + * Check if given widget has user input focus. This means that both the window + * has focus and that the given widget has focus within the window. + * @param widget_index : index of the widget in the window to check + * @return true if given widget is the focused window in this window and this window has focus + */ +inline bool Window::IsWidgetGloballyFocused(byte widget_index) const +{ + return _focused_window == this && IsWidgetFocused(widget_index); +} + +/** + * Check if given widget is focused within this window + * @param widget_index : index of the widget in the window to check + * @return true if given widget is the focused window in this window + */ +inline bool Window::IsWidgetFocused(byte widget_index) const +{ + return this->focused_widget == &this->widget[widget_index]; +} + /** * Sets the lowered/raised status of a widget. * @param widget_index index of this widget in the window