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@ -450,7 +450,7 @@ static const NWidgetPart _nested_newgrf_parameter_widgets[] = {
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EndContainer(),
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EndContainer(),
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};
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};
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/* Window definition for the change grf parameters window */
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/** Window definition for the change grf parameters window */
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static const WindowDesc _newgrf_parameters_desc(
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static const WindowDesc _newgrf_parameters_desc(
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WDP_CENTER, 500, 208,
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WDP_CENTER, 500, 208,
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WC_GRF_PARAMETERS, WC_NONE,
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WC_GRF_PARAMETERS, WC_NONE,
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@ -464,6 +464,176 @@ void OpenGRFParameterWindow(GRFConfig *c)
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new NewGRFParametersWindow(&_newgrf_parameters_desc, c);
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new NewGRFParametersWindow(&_newgrf_parameters_desc, c);
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}
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}
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/** Widgets of the #NewGRFReadmeWindow. */
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enum ShowNewGRFReadmeWidgets {
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GRW_WIDGET_CAPTION, ///< The caption of the window.
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GRW_WIDGET_BACKGROUND, ///< Panel to draw the readme on.
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GRW_WIDGET_VSCROLLBAR, ///< Vertical scrollbar to scroll through the readme up-and-down.
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GRW_WIDGET_HSCROLLBAR, ///< Horizontal scrollbar to scroll through the readme left-to-right.
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};
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/** Window for displaying the readme of a NewGRF. */
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struct NewGRFReadmeWindow : public Window {
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const GRFConfig *grf_config; ///< View the readme of this GRFConfig.
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int line_height; ///< Height of a line in the display widget.
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Scrollbar *vscroll; ///< Vertical scrollbar.
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Scrollbar *hscroll; ///< Horizontal scrollbar.
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char *text; ///< Lines of text from the NewGRF's readme.
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SmallVector<const char *, 64> lines; ///< #text, split into lines in a table with lines.
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uint max_length; ///< The longest line in the readme (in pixels).
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static const int TOP_SPACING = WD_FRAMETEXT_TOP; ///< Additional spacing at the top of the #GRW_WIDGET_BACKGROUND widget.
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static const int BOTTOM_SPACING = WD_FRAMETEXT_BOTTOM; ///< Additional spacing at the bottom of the #GRW_WIDGET_BACKGROUND widget.
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NewGRFReadmeWindow(const WindowDesc *desc, const GRFConfig *c) : Window(), grf_config(c)
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{
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this->CreateNestedTree(desc);
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this->vscroll = this->GetScrollbar(GRW_WIDGET_VSCROLLBAR);
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this->hscroll = this->GetScrollbar(GRW_WIDGET_HSCROLLBAR);
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this->FinishInitNested(desc);
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this->LoadReadme();
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}
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~NewGRFReadmeWindow()
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{
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free(this->text);
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}
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virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
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{
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switch (widget) {
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case GRW_WIDGET_BACKGROUND:
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this->line_height = FONT_HEIGHT_NORMAL + 2;
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resize->height = this->line_height;
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size->height = 4 * resize->height + TOP_SPACING + BOTTOM_SPACING; // At least 4 lines are visible.
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size->width = max(200u, size->width); // At least 200 pixels wide.
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break;
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}
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}
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virtual void SetStringParameters(int widget) const
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{
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if (widget == GRW_WIDGET_CAPTION) SetDParamStr(0, this->grf_config->GetName());
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}
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virtual void DrawWidget(const Rect &r, int widget) const
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{
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if (widget != GRW_WIDGET_BACKGROUND) return;
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DrawPixelInfo new_dpi;
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if (!FillDrawPixelInfo(&new_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) return;
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DrawPixelInfo *old_dpi = _cur_dpi;
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_cur_dpi = &new_dpi;
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int left = WD_FRAMETEXT_LEFT - this->hscroll->GetPosition();
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int right = r.right - r.left - WD_FRAMETEXT_LEFT - WD_FRAMETEXT_RIGHT;
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int top = TOP_SPACING;
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for (uint i = 0; i < this->vscroll->GetCapacity() && i + this->vscroll->GetPosition() < this->lines.Length(); i++) {
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DrawString(left, right, top + i * this->line_height, this->lines[i + this->vscroll->GetPosition()], TC_WHITE);
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}
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_cur_dpi = old_dpi;
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}
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virtual void OnResize()
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{
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this->vscroll->SetCapacityFromWidget(this, GRW_WIDGET_BACKGROUND, this->line_height);
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this->hscroll->SetCapacityFromWidget(this, GRW_WIDGET_BACKGROUND);
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}
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private:
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/**
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* Load the NewGRF's readme text from file, and setup #lines, #max_length, and both scrollbars.
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*/
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void LoadReadme()
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{
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this->lines.Clear();
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/* Does GRF have readme? */
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const char *readme = this->grf_config->GetReadme();
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if (readme == NULL) return;
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/* Get text from file */
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size_t filesize;
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FILE *handle = FioFOpenFile(readme, "rb", NEWGRF_DIR, &filesize);
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if (handle == NULL) return;
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this->text = ReallocT(this->text, filesize + 1);
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size_t read = fread(this->text, 1, filesize, handle);
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fclose(handle);
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if (read != filesize) return;
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this->text[filesize] = '\0';
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/* Replace tabs and line feeds with a space since str_validate removes those. */
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for (char *p = this->text; *p != '\0'; p++) {
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if (*p == '\t' || *p == '\r') *p = ' ';
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}
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/* Check for the byte-order-mark, and skip it if needed. */
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char *p = this->text + (strncmp("\xEF\xBB\xBF", this->text, 3) == 0 ? 3 : 0);
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/* Make sure the string is a valid UTF-8 sequence. */
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str_validate(p, this->text + filesize, true);
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/* Split the string on newlines. */
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*this->lines.Append() = p;
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for (; *p != '\0'; p++) {
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if (*p == '\n') {
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*p = '\0';
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*this->lines.Append() = p + 1;
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}
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}
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/* Initialize scrollbars */
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this->vscroll->SetCount(this->lines.Length());
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this->max_length = 0;
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for (uint i = 0; i < this->lines.Length(); i++) {
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this->max_length = max(this->max_length, GetStringBoundingBox(this->lines[i]).width);
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}
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this->hscroll->SetCount(this->max_length + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT);
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this->hscroll->SetStepSize(10); // Speed up horizontal scrollbar
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}
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};
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static const NWidgetPart _nested_newgrf_readme_widgets[] = {
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NWidget(NWID_HORIZONTAL),
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NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
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NWidget(WWT_CAPTION, COLOUR_MAUVE, GRW_WIDGET_CAPTION), SetDataTip(STR_NEWGRF_README_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
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EndContainer(),
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NWidget(NWID_HORIZONTAL),
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NWidget(WWT_PANEL, COLOUR_MAUVE, GRW_WIDGET_BACKGROUND), SetMinimalSize(200, 125), SetResize(1, 12), SetScrollbar(GRW_WIDGET_VSCROLLBAR),
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EndContainer(),
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NWidget(NWID_VERTICAL),
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NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, GRW_WIDGET_VSCROLLBAR),
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EndContainer(),
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EndContainer(),
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NWidget(NWID_HORIZONTAL),
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NWidget(NWID_HSCROLLBAR, COLOUR_MAUVE, GRW_WIDGET_HSCROLLBAR),
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NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
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EndContainer(),
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};
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/** Window definition for the grf readme window */
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static const WindowDesc _newgrf_readme_desc(
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WDP_CENTER, 630, 460,
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WC_NEWGRF_README, WC_NONE,
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WDF_UNCLICK_BUTTONS,
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_nested_newgrf_readme_widgets, lengthof(_nested_newgrf_readme_widgets)
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);
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void ShowNewGRFReadmeWindow(const GRFConfig *c)
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{
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DeleteWindowByClass(WC_NEWGRF_README);
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new NewGRFReadmeWindow(&_newgrf_readme_desc, c);
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}
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static GRFPresetList _grf_preset_list;
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static GRFPresetList _grf_preset_list;
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class DropDownListPresetItem : public DropDownListItem {
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class DropDownListPresetItem : public DropDownListItem {
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@ -501,6 +671,7 @@ enum ShowNewGRFStateWidgets {
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SNGRFS_SCROLL2BAR,
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SNGRFS_SCROLL2BAR,
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SNGRFS_NEWGRF_INFO_TITLE,
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SNGRFS_NEWGRF_INFO_TITLE,
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SNGRFS_NEWGRF_INFO,
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SNGRFS_NEWGRF_INFO,
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SNGRFS_NEWGRF_README,
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SNGRFS_SET_PARAMETERS,
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SNGRFS_SET_PARAMETERS,
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SNGRFS_TOGGLE_PALETTE,
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SNGRFS_TOGGLE_PALETTE,
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SNGRFS_APPLY_CHANGES,
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SNGRFS_APPLY_CHANGES,
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@ -579,6 +750,7 @@ struct NewGRFWindow : public QueryStringBaseWindow, NewGRFScanCallback {
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~NewGRFWindow()
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~NewGRFWindow()
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{
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{
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DeleteWindowByClass(WC_GRF_PARAMETERS);
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DeleteWindowByClass(WC_GRF_PARAMETERS);
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DeleteWindowByClass(WC_NEWGRF_README);
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if (this->editable && !this->execute) {
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if (this->editable && !this->execute) {
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CopyGRFConfigList(this->orig_list, this->actives, true);
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CopyGRFConfigList(this->orig_list, this->actives, true);
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@ -952,6 +1124,12 @@ struct NewGRFWindow : public QueryStringBaseWindow, NewGRFScanCallback {
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this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
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this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
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break;
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break;
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case SNGRFS_NEWGRF_README: // View GRF readme
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if (this->active_sel == NULL && this->avail_sel == NULL) break;
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ShowNewGRFReadmeWindow(this->active_sel != NULL ? this->active_sel : this->avail_sel);
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break;
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case SNGRFS_SET_PARAMETERS: { // Edit parameters
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case SNGRFS_SET_PARAMETERS: { // Edit parameters
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if (this->active_sel == NULL || !this->editable || !this->show_params || this->active_sel->num_valid_params == 0) break;
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if (this->active_sel == NULL || !this->editable || !this->show_params || this->active_sel->num_valid_params == 0) break;
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@ -1005,7 +1183,8 @@ struct NewGRFWindow : public QueryStringBaseWindow, NewGRFScanCallback {
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this->avail_sel = NULL;
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this->avail_sel = NULL;
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this->avail_pos = -1;
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this->avail_pos = -1;
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this->avails.ForceRebuild();
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this->avails.ForceRebuild();
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this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
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this->DeleteChildWindows(WC_QUERY_STRING); // Remove the parameter query window
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this->DeleteChildWindows(WC_NEWGRF_README); // Remove the view readme window
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}
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}
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virtual void OnDropdownSelect(int widget, int index)
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virtual void OnDropdownSelect(int widget, int index)
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@ -1110,6 +1289,10 @@ struct NewGRFWindow : public QueryStringBaseWindow, NewGRFScanCallback {
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SNGRFS_MOVE_DOWN,
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SNGRFS_MOVE_DOWN,
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WIDGET_LIST_END
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WIDGET_LIST_END
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);
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);
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const GRFConfig *c = (this->avail_sel == NULL) ? this->active_sel : this->avail_sel;
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this->SetWidgetDisabledState(SNGRFS_NEWGRF_README, c == NULL || c->GetReadme() == NULL);
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this->SetWidgetDisabledState(SNGRFS_SET_PARAMETERS, !this->show_params || disable_all || this->active_sel->num_valid_params == 0);
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this->SetWidgetDisabledState(SNGRFS_SET_PARAMETERS, !this->show_params || disable_all || this->active_sel->num_valid_params == 0);
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this->SetWidgetDisabledState(SNGRFS_TOGGLE_PALETTE, disable_all);
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this->SetWidgetDisabledState(SNGRFS_TOGGLE_PALETTE, disable_all);
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@ -1594,6 +1777,8 @@ static const NWidgetPart _nested_newgrf_infopanel_widgets[] = {
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NWidget(WWT_PANEL, COLOUR_MAUVE), SetPadding(0, 0, 2, 0),
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NWidget(WWT_PANEL, COLOUR_MAUVE), SetPadding(0, 0, 2, 0),
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NWidget(WWT_EMPTY, COLOUR_MAUVE, SNGRFS_NEWGRF_INFO_TITLE), SetFill(1, 0), SetResize(1, 0),
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NWidget(WWT_EMPTY, COLOUR_MAUVE, SNGRFS_NEWGRF_INFO_TITLE), SetFill(1, 0), SetResize(1, 0),
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NWidget(WWT_EMPTY, COLOUR_MAUVE, SNGRFS_NEWGRF_INFO), SetFill(1, 1), SetResize(1, 1), SetMinimalSize(150, 100),
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NWidget(WWT_EMPTY, COLOUR_MAUVE, SNGRFS_NEWGRF_INFO), SetFill(1, 1), SetResize(1, 1), SetMinimalSize(150, 100),
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NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, SNGRFS_NEWGRF_README), SetFill(1, 0), SetResize(1, 0),
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SetDataTip(STR_NEWGRF_SETTINGS_VIEW_README, STR_NULL), SetPadding(2, 2, 2, 2),
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EndContainer(),
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EndContainer(),
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NWidget(NWID_SELECTION, INVALID_COLOUR, SNGRFS_SHOW_APPLY),
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NWidget(NWID_SELECTION, INVALID_COLOUR, SNGRFS_SHOW_APPLY),
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/* Right side, buttons. */
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/* Right side, buttons. */
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