(svn r26610) -Feature: Select an editable preset name for saving.

8 files changed, 212 insertions, 5 deletions

diff --git a/src/lang/english.txt b/src/lang/english.txt
index 69c33bd3c..bd60237db 100644
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -2783,6 +2783,16 @@ STR_NEWGRF_SETTINGS_NOT_FOUND                                   :{RED}Matching f
 STR_NEWGRF_SETTINGS_DISABLED                                    :{RED}Disabled
 STR_NEWGRF_SETTINGS_INCOMPATIBLE                                :{RED}Incompatible with this version of OpenTTD
 
+# NewGRF save preset window
+STR_SAVE_PRESET_CAPTION                                         :{WHITE}Save preset
+STR_SAVE_PRESET_LIST_TOOLTIP                                    :{BLACK}List of available presets, select one to copy it to the save name below
+STR_SAVE_PRESET_TITLE                                           :{BLACK}Enter a name for the preset
+STR_SAVE_PRESET_EDITBOX_TOOLTIP                                 :{BLACK}Currently selected name for the preset to save
+STR_SAVE_PRESET_CANCEL                                          :{BLACK}Cancel
+STR_SAVE_PRESET_CANCEL_TOOLTIP                                  :{BLACK}Don't change the preset
+STR_SAVE_PRESET_SAVE                                            :{BLACK}Save
+STR_SAVE_PRESET_SAVE_TOOLTIP                                    :{BLACK}Save the preset to the current selected name
+
 # NewGRF parameters window
 STR_NEWGRF_PARAMETERS_CAPTION                                   :{WHITE}Change NewGRF parameters
 STR_NEWGRF_PARAMETERS_CLOSE                                     :{BLACK}Close
diff --git a/src/newgrf_gui.cpp b/src/newgrf_gui.cpp
index 462360d59..b919edfaa 100644
--- a/src/newgrf_gui.cpp
+++ b/src/newgrf_gui.cpp
@@ -567,7 +567,7 @@ void ShowNewGRFTextfileWindow(TextfileType file_type, const GRFConfig *c)
 	new NewGRFTextfileWindow(file_type, c);
 }
 
-static GRFPresetList _grf_preset_list;
+static GRFPresetList _grf_preset_list; ///< List of known NewGRF presets. @see GetGRFPresetList
 
 class DropDownListPresetItem : public DropDownListItem {
 public:
@@ -587,6 +587,7 @@ public:
 };
 
 static void NewGRFConfirmationCallback(Window *w, bool confirmed);
+static void ShowSavePresetWindow(const char *initial_text);
 
 /**
  * Window for showing NewGRF files
@@ -614,7 +615,7 @@ struct NewGRFWindow : public Window, NewGRFScanCallback {
 	bool editable;              ///< Is the window editable?
 	bool show_params;           ///< Are the grf-parameters shown in the info-panel?
 	bool execute;               ///< On pressing 'apply changes' are grf changes applied immediately, or only list is updated.
-	int preset;                 ///< Selected preset.
+	int preset;                 ///< Selected preset or \c -1 if none selected.
 	int active_over;            ///< Active GRF item over which another one is dragged, \c -1 if none.
 
 	Scrollbar *vscroll;
@@ -665,6 +666,7 @@ struct NewGRFWindow : public Window, NewGRFScanCallback {
 	{
 		DeleteWindowByClass(WC_GRF_PARAMETERS);
 		DeleteWindowByClass(WC_TEXTFILE);
+		DeleteWindowByClass(WC_SAVE_PRESET);
 
 		if (this->editable && !this->execute) {
 			CopyGRFConfigList(this->orig_list, this->actives, true);
@@ -908,7 +910,7 @@ struct NewGRFWindow : public Window, NewGRFScanCallback {
 			}
 
 			case WID_NS_PRESET_SAVE:
-				ShowQueryString(STR_EMPTY, STR_NEWGRF_SETTINGS_PRESET_SAVE_QUERY, 32, this, CS_ALPHANUMERAL, QSF_NONE);
+				ShowSavePresetWindow((this->preset == -1) ? NULL : _grf_preset_list[this->preset]);
 				break;
 
 			case WID_NS_PRESET_DELETE:
@@ -1940,6 +1942,162 @@ void ShowNewGRFSettings(bool editable, bool show_params, bool exec_changes, GRFC
 	new NewGRFWindow(&_newgrf_desc, editable, show_params, exec_changes, config);
 }
 
+/** Widget parts of the save preset window. */
+static const NWidgetPart _nested_save_preset_widgets[] = {
+	NWidget(NWID_HORIZONTAL),
+		NWidget(WWT_CLOSEBOX, COLOUR_GREY),
+		NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_SAVE_PRESET_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
+		NWidget(WWT_DEFSIZEBOX, COLOUR_GREY),
+	EndContainer(),
+	NWidget(WWT_PANEL, COLOUR_GREY),
+		NWidget(NWID_HORIZONTAL),
+			NWidget(WWT_INSET, COLOUR_GREY, WID_SVP_PRESET_LIST), SetPadding(2, 1, 0, 2),
+					SetDataTip(0x0, STR_SAVE_PRESET_LIST_TOOLTIP), SetResize(1, 10), SetScrollbar(WID_SVP_SCROLLBAR), EndContainer(),
+			NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_SVP_SCROLLBAR),
+		EndContainer(),
+		NWidget(WWT_EDITBOX, COLOUR_GREY, WID_SVP_EDITBOX), SetPadding(3, 2, 2, 2), SetFill(1, 0), SetResize(1, 0),
+				SetDataTip(STR_SAVE_PRESET_TITLE, STR_SAVE_PRESET_EDITBOX_TOOLTIP),
+	EndContainer(),
+	NWidget(NWID_HORIZONTAL),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SVP_CANCEL), SetDataTip(STR_SAVE_PRESET_CANCEL, STR_SAVE_PRESET_CANCEL_TOOLTIP), SetFill(1, 0), SetResize(1, 0),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SVP_SAVE), SetDataTip(STR_SAVE_PRESET_SAVE, STR_SAVE_PRESET_SAVE_TOOLTIP), SetFill(1, 0), SetResize(1, 0),
+		NWidget(WWT_RESIZEBOX, COLOUR_GREY),
+	EndContainer(),
+};
+
+/** Window description of the preset save window. */
+static WindowDesc _save_preset_desc(
+	WDP_CENTER, "save_preset", 140, 110,
+	WC_SAVE_PRESET, WC_GAME_OPTIONS,
+	WDF_MODAL,
+	_nested_save_preset_widgets, lengthof(_nested_save_preset_widgets)
+);
+
+/** Class for the save preset window. */
+struct SavePresetWindow : public Window {
+	QueryString presetname_editbox; ///< Edit box of the save preset.
+	GRFPresetList presets; ///< Available presets.
+	Scrollbar *vscroll; ///< Pointer to the scrollbar widget.
+	int selected; ///< Selected entry in the preset list, or \c -1 if none selected.
+
+	/**
+	 * Constructor of the save preset window.
+	 * @param initial_text Initial text to display in the edit box, or \c NULL.
+	 */
+	SavePresetWindow(const char *initial_text) : Window(&_save_preset_desc), presetname_editbox(32)
+	{
+		GetGRFPresetList(&this->presets);
+		this->selected = -1;
+		if (initial_text != NULL) {
+			for (uint i = 0; i < this->presets.Length(); i++) {
+				if (!strcmp(initial_text, this->presets[i])) {
+					this->selected = i;
+					break;
+				}
+			}
+		}
+
+		this->querystrings[WID_SVP_EDITBOX] = &this->presetname_editbox;
+		this->presetname_editbox.ok_button = WID_SVP_SAVE;
+		this->presetname_editbox.cancel_button = WID_SVP_CANCEL;
+
+		this->CreateNestedTree();
+		this->vscroll = this->GetScrollbar(WID_SVP_SCROLLBAR);
+		this->FinishInitNested(0);
+
+		this->vscroll->SetCount(this->presets.Length());
+		this->SetFocusedWidget(WID_SVP_EDITBOX);
+		if (initial_text != NULL) this->presetname_editbox.text.Assign(initial_text);
+	}
+
+	~SavePresetWindow()
+	{
+	}
+
+	virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
+	{
+		switch (widget) {
+			case WID_SVP_PRESET_LIST: {
+				resize->height = FONT_HEIGHT_NORMAL + 2U;
+				size->height = 0;
+				for (uint i = 0; i < this->presets.Length(); i++) {
+					Dimension d = GetStringBoundingBox(this->presets[i]);
+					size->width = max(size->width, d.width + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT);
+					resize->height = max(resize->height, d.height);
+				}
+				size->height = ClampU(this->presets.Length(), 5, 20) * resize->height + 1;
+				break;
+			}
+		}
+	}
+
+	virtual void DrawWidget(const Rect &r, int widget) const
+	{
+		switch (widget) {
+			case WID_SVP_PRESET_LIST: {
+				GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK);
+
+				uint step_height = this->GetWidget<NWidgetBase>(WID_SVP_PRESET_LIST)->resize_y;
+				int offset_y = (step_height - FONT_HEIGHT_NORMAL) / 2;
+				uint y = r.top + WD_FRAMERECT_TOP;
+				uint min_index = this->vscroll->GetPosition();
+				uint max_index = min(min_index + this->vscroll->GetCapacity(), this->presets.Length());
+
+				for (uint i = min_index; i < max_index; i++) {
+					if ((int)i == this->selected) GfxFillRect(r.left + 1, y, r.right - 1, y + step_height - 2, PC_DARK_BLUE);
+
+					const char *text = this->presets[i];
+					DrawString(r.left + WD_FRAMERECT_LEFT, r.right, y + offset_y, text, ((int)i == this->selected) ? TC_WHITE : TC_SILVER);
+					y += step_height;
+				}
+				break;
+			}
+		}
+	}
+
+	virtual void OnClick(Point pt, int widget, int click_count)
+	{
+		switch (widget) {
+			case WID_SVP_PRESET_LIST: {
+				uint row = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_SVP_PRESET_LIST);
+				if (row < this->presets.Length()) {
+					this->selected = row;
+					this->presetname_editbox.text.Assign(this->presets[row]);
+					this->SetWidgetDirty(WID_SVP_PRESET_LIST);
+					this->SetWidgetDirty(WID_SVP_EDITBOX);
+				}
+				break;
+			}
+
+			case WID_SVP_CANCEL:
+				delete this;
+				break;
+
+			case WID_SVP_SAVE: {
+				Window *w = FindWindowById(WC_GAME_OPTIONS, WN_GAME_OPTIONS_NEWGRF_STATE);
+				if (w != NULL && !StrEmpty(this->presetname_editbox.text.buf)) w->OnQueryTextFinished(this->presetname_editbox.text.buf);
+				delete this;
+				break;
+			}
+		}
+	}
+
+	virtual void OnResize()
+	{
+		this->vscroll->SetCapacityFromWidget(this, WID_SVP_PRESET_LIST);
+	}
+};
+
+/**
+ * Open the window for saving a preset.
+ * @param initial_text Initial text to display in the edit box, or \c NULL.
+ */
+static void ShowSavePresetWindow(const char *initial_text)
+{
+	DeleteWindowByClass(WC_SAVE_PRESET);
+	new SavePresetWindow(initial_text);
+}
+
 /** Widgets for the progress window. */
 static const NWidgetPart _nested_scan_progress_widgets[] = {
 	NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_NEWGRF_SCAN_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
diff --git a/src/script/api/game/game_window.hpp.sq b/src/script/api/game/game_window.hpp.sq
index 52e570ef0..ef8f3da42 100644
--- a/src/script/api/game/game_window.hpp.sq
+++ b/src/script/api/game/game_window.hpp.sq
@@ -137,6 +137,7 @@ void SQGSWindow_Register(Squirrel *engine)
 	SQGSWindow.DefSQConst(engine, ScriptWindow::WC_NEWGRF_INSPECT,                         "WC_NEWGRF_INSPECT");
 	SQGSWindow.DefSQConst(engine, ScriptWindow::WC_SPRITE_ALIGNER,                         "WC_SPRITE_ALIGNER");
 	SQGSWindow.DefSQConst(engine, ScriptWindow::WC_LINKGRAPH_LEGEND,                       "WC_LINKGRAPH_LEGEND");
+	SQGSWindow.DefSQConst(engine, ScriptWindow::WC_SAVE_PRESET,                            "WC_SAVE_PRESET");
 	SQGSWindow.DefSQConst(engine, ScriptWindow::WC_INVALID,                                "WC_INVALID");
 	SQGSWindow.DefSQConst(engine, ScriptWindow::TC_BLUE,                                   "TC_BLUE");
 	SQGSWindow.DefSQConst(engine, ScriptWindow::TC_SILVER,                                 "TC_SILVER");
@@ -806,6 +807,11 @@ void SQGSWindow_Register(Squirrel *engine)
 	SQGSWindow.DefSQConst(engine, ScriptWindow::WID_NS_CONTENT_DOWNLOAD2,                  "WID_NS_CONTENT_DOWNLOAD2");
 	SQGSWindow.DefSQConst(engine, ScriptWindow::WID_NS_SHOW_REMOVE,                        "WID_NS_SHOW_REMOVE");
 	SQGSWindow.DefSQConst(engine, ScriptWindow::WID_NS_SHOW_APPLY,                         "WID_NS_SHOW_APPLY");
+	SQGSWindow.DefSQConst(engine, ScriptWindow::WID_SVP_PRESET_LIST,                       "WID_SVP_PRESET_LIST");
+	SQGSWindow.DefSQConst(engine, ScriptWindow::WID_SVP_SCROLLBAR,                         "WID_SVP_SCROLLBAR");
+	SQGSWindow.DefSQConst(engine, ScriptWindow::WID_SVP_EDITBOX,                           "WID_SVP_EDITBOX");
+	SQGSWindow.DefSQConst(engine, ScriptWindow::WID_SVP_CANCEL,                            "WID_SVP_CANCEL");
+	SQGSWindow.DefSQConst(engine, ScriptWindow::WID_SVP_SAVE,                              "WID_SVP_SAVE");
 	SQGSWindow.DefSQConst(engine, ScriptWindow::WID_SP_PROGRESS_BAR,                       "WID_SP_PROGRESS_BAR");
 	SQGSWindow.DefSQConst(engine, ScriptWindow::WID_SP_PROGRESS_TEXT,                      "WID_SP_PROGRESS_TEXT");
 	SQGSWindow.DefSQConst(engine, ScriptWindow::WID_N_PANEL,                               "WID_N_PANEL");
diff --git a/src/script/api/script_window.hpp b/src/script/api/script_window.hpp
index 28db09859..21cf28f7a 100644
--- a/src/script/api/script_window.hpp
+++ b/src/script/api/script_window.hpp
@@ -753,11 +753,17 @@ public:
 		WC_SPRITE_ALIGNER                            = ::WC_SPRITE_ALIGNER,
 
 		/**
-		 * Linkgraph legend; Window numbers:
+		 * Linkgraph legend; %Window numbers:
 		 *   - 0 = #LinkGraphWidgets
 		 */
 		WC_LINKGRAPH_LEGEND                          = ::WC_LINKGRAPH_LEGEND,
 
+		/**
+		 * Save preset; %Window numbers:
+		 *   - 0 = #SavePresetWidgets
+		 */
+		WC_SAVE_PRESET                               = ::WC_SAVE_PRESET,
+
 		WC_INVALID                                   = ::WC_INVALID,                                   ///< Invalid window.
 	};
 
@@ -1835,6 +1841,15 @@ public:
 		WID_NS_SHOW_APPLY                            = ::WID_NS_SHOW_APPLY,                            ///< Select display of the buttons below the 'details'.
 	};
 
+	/** Widgets of the #SavePresetWindow class. */
+	enum SavePresetWidgets {
+		WID_SVP_PRESET_LIST                          = ::WID_SVP_PRESET_LIST,                          ///< List with available preset names.
+		WID_SVP_SCROLLBAR                            = ::WID_SVP_SCROLLBAR,                            ///< Scrollbar for the list available preset names.
+		WID_SVP_EDITBOX                              = ::WID_SVP_EDITBOX,                              ///< Edit box for changing the preset name.
+		WID_SVP_CANCEL                               = ::WID_SVP_CANCEL,                               ///< Button to cancel saving the preset.
+		WID_SVP_SAVE                                 = ::WID_SVP_SAVE,                                 ///< Button to save the preset.
+	};
+
 	/** Widgets of the #ScanProgressWindow class. */
 	enum ScanProgressWidgets {
 		WID_SP_PROGRESS_BAR                          = ::WID_SP_PROGRESS_BAR,                          ///< Simple progress bar.
diff --git a/src/script/api/template/template_window.hpp.sq b/src/script/api/template/template_window.hpp.sq
index 9f01e42d5..a21a75ab8 100644
--- a/src/script/api/template/template_window.hpp.sq
+++ b/src/script/api/template/template_window.hpp.sq
@@ -161,6 +161,8 @@ namespace SQConvert {
 	template <> inline int Return<ScriptWindow::NewGRFParametersWidgets>(HSQUIRRELVM vm, ScriptWindow::NewGRFParametersWidgets res) { sq_pushinteger(vm, (int32)res); return 1; }
 	template <> inline ScriptWindow::NewGRFStateWidgets GetParam(ForceType<ScriptWindow::NewGRFStateWidgets>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQInteger tmp; sq_getinteger(vm, index, &tmp); return (ScriptWindow::NewGRFStateWidgets)tmp; }
 	template <> inline int Return<ScriptWindow::NewGRFStateWidgets>(HSQUIRRELVM vm, ScriptWindow::NewGRFStateWidgets res) { sq_pushinteger(vm, (int32)res); return 1; }
+	template <> inline ScriptWindow::SavePresetWidgets GetParam(ForceType<ScriptWindow::SavePresetWidgets>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQInteger tmp; sq_getinteger(vm, index, &tmp); return (ScriptWindow::SavePresetWidgets)tmp; }
+	template <> inline int Return<ScriptWindow::SavePresetWidgets>(HSQUIRRELVM vm, ScriptWindow::SavePresetWidgets res) { sq_pushinteger(vm, (int32)res); return 1; }
 	template <> inline ScriptWindow::ScanProgressWidgets GetParam(ForceType<ScriptWindow::ScanProgressWidgets>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQInteger tmp; sq_getinteger(vm, index, &tmp); return (ScriptWindow::ScanProgressWidgets)tmp; }
 	template <> inline int Return<ScriptWindow::ScanProgressWidgets>(HSQUIRRELVM vm, ScriptWindow::ScanProgressWidgets res) { sq_pushinteger(vm, (int32)res); return 1; }
 	template <> inline ScriptWindow::NewsWidgets GetParam(ForceType<ScriptWindow::NewsWidgets>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQInteger tmp; sq_getinteger(vm, index, &tmp); return (ScriptWindow::NewsWidgets)tmp; }
diff --git a/src/widgets/newgrf_widget.h b/src/widgets/newgrf_widget.h
index 878dcb891..c0c00ed8b 100644
--- a/src/widgets/newgrf_widget.h
+++ b/src/widgets/newgrf_widget.h
@@ -60,6 +60,15 @@ enum NewGRFStateWidgets {
 	WID_NS_SHOW_APPLY,        ///< Select display of the buttons below the 'details'.
 };
 
+/** Widgets of the #SavePresetWindow class. */
+enum SavePresetWidgets {
+	WID_SVP_PRESET_LIST, ///< List with available preset names.
+	WID_SVP_SCROLLBAR,   ///< Scrollbar for the list available preset names.
+	WID_SVP_EDITBOX,     ///< Edit box for changing the preset name.
+	WID_SVP_CANCEL,      ///< Button to cancel saving the preset.
+	WID_SVP_SAVE,        ///< Button to save the preset.
+};
+
 /** Widgets of the #ScanProgressWindow class. */
 enum ScanProgressWidgets {
 	WID_SP_PROGRESS_BAR,  ///< Simple progress bar.
diff --git a/src/window.cpp b/src/window.cpp
index 32b7ce4fe..5b3511573 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -1267,6 +1267,7 @@ static uint GetWindowZPriority(const Window *w)
 		case WC_CONFIRM_POPUP_QUERY:
 		case WC_MODAL_PROGRESS:
 		case WC_NETWORK_STATUS_WINDOW:
+		case WC_SAVE_PRESET:
 			++z_priority;
 
 		case WC_GENERATE_LANDSCAPE:
diff --git a/src/window_type.h b/src/window_type.h
index 9727cf9f1..a8a8128f5 100644
--- a/src/window_type.h
+++ b/src/window_type.h
@@ -670,11 +670,17 @@ enum WindowClass {
 	WC_SPRITE_ALIGNER,
 
 	/**
-	 * Linkgraph legend; Window numbers:
+	 * Linkgraph legend; %Window numbers:
 	 *   - 0 = #LinkGraphWidgets
 	 */
 	WC_LINKGRAPH_LEGEND,
 
+	/**
+	 * Save preset; %Window numbers:
+	 *   - 0 = #SavePresetWidgets
+	 */
+	WC_SAVE_PRESET,
+
 	WC_INVALID = 0xFFFF, ///< Invalid window.
 };