cpp/openttd-patchpack/source Changeset - r25214:ac90bf6da654

Changeset - r25214:ac90bf6da654

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0 6 0

Peter Nelson - 3 years ago 2021-04-19 11:12:07
peter1138@openttd.org

Codechange: Add internal widget alignment property, along with widget part.

6 files changed with 142 insertions and 55 deletions:

src/gfx_func.h

src/gfx_type.h

src/news_gui.cpp

src/widget.cpp

src/widget_type.h

src/window_gui.h

0 comments (0 inline, 0 general)

src/gfx_func.h

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@@ @@ -70,66 +70,48 @@ extern Palette _cur_palette; ///< Curren @@
 void HandleKeypress(uint keycode, WChar key);
 void HandleTextInput(const char *str, bool marked = false, const char *caret = nullptr, const char *insert_location = nullptr, const char *replacement_end = nullptr);
 void HandleCtrlChanged();
 void HandleMouseEvents();
 void UpdateWindows();
 void ChangeGameSpeed(bool enable_fast_forward);
 void DrawMouseCursor();
 void ScreenSizeChanged();
 void GameSizeChanged();
 void UpdateGUIZoom();
 void UndrawMouseCursor();
 /** Size of the buffer used for drawing strings. */
 static const int DRAW_STRING_BUFFER = 2048;
 void RedrawScreenRect(int left, int top, int right, int bottom);
 void GfxScroll(int left, int top, int width, int height, int xo, int yo);
 Dimension GetSpriteSize(SpriteID sprid, Point *offset = nullptr, ZoomLevel zoom = ZOOM_LVL_GUI);
 void DrawSpriteViewport(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub = nullptr);
 void DrawSprite(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub = nullptr, ZoomLevel zoom = ZOOM_LVL_GUI);
 /** How to align the to-be drawn text. */
 enum StringAlignment {
 	SA_LEFT        = 0 << 0, ///< Left align the text.
 	SA_HOR_CENTER  = 1 << 0, ///< Horizontally center the text.
 	SA_RIGHT       = 2 << 0, ///< Right align the text (must be a single bit).
 	SA_HOR_MASK    = 3 << 0, ///< Mask for horizontal alignment.
 	SA_TOP         = 0 << 2, ///< Top align the text.
 	SA_VERT_CENTER = 1 << 2, ///< Vertically center the text.
 	SA_BOTTOM      = 2 << 2, ///< Bottom align the text.
 	SA_VERT_MASK   = 3 << 2, ///< Mask for vertical alignment.
 	SA_CENTER      = SA_HOR_CENTER | SA_VERT_CENTER, ///< Center both horizontally and vertically.
 	SA_FORCE       = 1 << 4, ///< Force the alignment, i.e. don't swap for RTL languages.
 };
 DECLARE_ENUM_AS_BIT_SET(StringAlignment)
 int DrawString(int left, int right, int top, const char *str, TextColour colour = TC_FROMSTRING, StringAlignment align = SA_LEFT, bool underline = false, FontSize fontsize = FS_NORMAL);
 int DrawString(int left, int right, int top, StringID str, TextColour colour = TC_FROMSTRING, StringAlignment align = SA_LEFT, bool underline = false, FontSize fontsize = FS_NORMAL);
 int DrawStringMultiLine(int left, int right, int top, int bottom, const char *str, TextColour colour = TC_FROMSTRING, StringAlignment align = (SA_TOP | SA_LEFT), bool underline = false, FontSize fontsize = FS_NORMAL);
 int DrawStringMultiLine(int left, int right, int top, int bottom, StringID str, TextColour colour = TC_FROMSTRING, StringAlignment align = (SA_TOP | SA_LEFT), bool underline = false, FontSize fontsize = FS_NORMAL);
 void DrawCharCentered(WChar c, int x, int y, TextColour colour);
 void GfxFillRect(int left, int top, int right, int bottom, int colour, FillRectMode mode = FILLRECT_OPAQUE);
 void GfxFillPolygon(const std::vector<Point> &shape, int colour, FillRectMode mode = FILLRECT_OPAQUE);
 void GfxDrawLine(int left, int top, int right, int bottom, int colour, int width = 1, int dash = 0);
 void DrawBox(int x, int y, int dx1, int dy1, int dx2, int dy2, int dx3, int dy3);
 Dimension GetStringBoundingBox(const char *str, FontSize start_fontsize = FS_NORMAL);
 Dimension GetStringBoundingBox(StringID strid);
 int GetStringHeight(const char *str, int maxw, FontSize fontsize = FS_NORMAL);
 int GetStringHeight(StringID str, int maxw);
 int GetStringLineCount(StringID str, int maxw);
 Dimension GetStringMultiLineBoundingBox(StringID str, const Dimension &suggestion);
 Dimension GetStringMultiLineBoundingBox(const char *str, const Dimension &suggestion);
 void LoadStringWidthTable(bool monospace = false);
 Point GetCharPosInString(const char *str, const char *ch, FontSize start_fontsize = FS_NORMAL);
 const char *GetCharAtPosition(const char *str, int x, FontSize start_fontsize = FS_NORMAL);
 void DrawDirtyBlocks();

src/gfx_type.h

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@@ @@ -302,25 +302,43 @@ enum SpriteType : byte { @@
 	ST_NORMAL   = 0,      ///< The most basic (normal) sprite
 	ST_MAPGEN   = 1,      ///< Special sprite for the map generator
 	ST_FONT     = 2,      ///< A sprite used for fonts
 	ST_RECOLOUR = 3,      ///< Recolour sprite
 	ST_INVALID  = 4,      ///< Pseudosprite or other unusable sprite, used only internally
 };
 /** The number of milliseconds per game tick. */
 static const uint MILLISECONDS_PER_TICK = 30;
 /** Information about the currently used palette. */
 struct Palette {
 	Colour palette[256]; ///< Current palette. Entry 0 has to be always fully transparent!
 	int first_dirty;     ///< The first dirty element.
 	int count_dirty;     ///< The number of dirty elements.
 };
 /** Modes for 8bpp support */
 enum Support8bpp {
 	S8BPP_NONE = 0, ///< No support for 8bpp by OS or hardware, force 32bpp blitters.
 	S8BPP_SYSTEM,   ///< No 8bpp support by hardware, do not try to use 8bpp video modes or hardware palettes.
 	S8BPP_HARDWARE, ///< Full 8bpp support by OS and hardware.
 };
 	/** How to align the to-be drawn text. */
 enum StringAlignment {
 	SA_LEFT        = 0 << 0, ///< Left align the text.
 	SA_HOR_CENTER  = 1 << 0, ///< Horizontally center the text.
 	SA_RIGHT       = 2 << 0, ///< Right align the text (must be a single bit).
 	SA_HOR_MASK    = 3 << 0, ///< Mask for horizontal alignment.
 	SA_TOP         = 0 << 2, ///< Top align the text.
 	SA_VERT_CENTER = 1 << 2, ///< Vertically center the text.
 	SA_BOTTOM      = 2 << 2, ///< Bottom align the text.
 	SA_VERT_MASK   = 3 << 2, ///< Mask for vertical alignment.
 	SA_CENTER      = SA_HOR_CENTER | SA_VERT_CENTER, ///< Center both horizontally and vertically.
 	SA_FORCE       = 1 << 4, ///< Force the alignment, i.e. don't swap for RTL languages.
 };
 DECLARE_ENUM_AS_BIT_SET(StringAlignment)
 #endif /* GFX_TYPE_H */

src/news_gui.cpp

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@@ @@ -401,49 +401,49 @@ struct NewsWindow : Window { @@
 			default:
 				return; // Do nothing
+		}
 		/* Update minimal size with length of the multi-line string. */
 		Dimension d = *size;
 		d.width = (d.width >= padding.width) ? d.width - padding.width : 0;
 		d.height = (d.height >= padding.height) ? d.height - padding.height : 0;
 		d = GetStringMultiLineBoundingBox(str, d);
 		d.width += padding.width;
 		d.height += padding.height;
 		*size = maxdim(*size, d);
+	}
 	void SetStringParameters(int widget) const override
+	{
 		if (widget == WID_N_DATE) SetDParam(0, this->ni->date);
+	}
 	void DrawWidget(const Rect &r, int widget) const override
+	{
 		switch (widget) {
 			case WID_N_CAPTION:
 				DrawCaption(r, COLOUR_LIGHT_BLUE, this->owner, STR_NEWS_MESSAGE_CAPTION);
+				DrawCaption(r, COLOUR_LIGHT_BLUE, this->owner, STR_NEWS_MESSAGE_CAPTION, SA_HOR_CENTER);
 				break;
 			case WID_N_PANEL:
 				this->DrawNewsBorder(r);
 				break;
 			case WID_N_MESSAGE:
 				CopyInDParam(0, this->ni->params, lengthof(this->ni->params));
 				DrawStringMultiLine(r.left, r.right, r.top, r.bottom, this->ni->string_id, TC_FROMSTRING, SA_CENTER);
 				break;
 			case WID_N_MGR_FACE: {
 				const CompanyNewsInformation *cni = (const CompanyNewsInformation*)this->ni->free_data;
 				DrawCompanyManagerFace(cni->face, cni->colour, r.left, r.top);
 				GfxFillRect(r.left, r.top, r.right, r.bottom, PALETTE_NEWSPAPER, FILLRECT_RECOLOUR);
 				break;
+			}
 			case WID_N_MGR_NAME: {
 				const CompanyNewsInformation *cni = (const CompanyNewsInformation*)this->ni->free_data;
 				SetDParamStr(0, cni->president_name);
 				DrawStringMultiLine(r.left, r.right, r.top, r.bottom, STR_JUST_RAW_STRING, TC_FROMSTRING, SA_CENTER);
 				break;
+			}
 			case WID_N_COMPANY_MSG:

src/widget.cpp

➞

Show inline comments

@@ @@ -4,48 +4,75 @@ @@
  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
  */
 /** @file widget.cpp Handling of the default/simple widgets. */
 #include "stdafx.h"
 #include "company_func.h"
 #include "window_gui.h"
 #include "viewport_func.h"
 #include "zoom_func.h"
 #include "strings_func.h"
 #include "transparency.h"
 #include "core/geometry_func.hpp"
 #include "settings_type.h"
 #include "querystring_gui.h"
 #include "table/sprites.h"
 #include "table/strings.h"
 #include "table/string_colours.h"
 #include "safeguards.h"
 /**
  * Calculate x and y coordinates for an aligned object within a window.
  * @param r     Rectangle of the widget to be drawn in.
  * @param d     Dimension of the object to be drawn.
  * @param align Alignment of the object.
  * @return A point containing the position at which to draw.
  */
 static inline Point GetAlignedPosition(const Rect &r, const Dimension &d, StringAlignment align)
+{
 	Point p;
 	/* In case we have a RTL language we swap the alignment. */
 	if (!(align & SA_FORCE) && _current_text_dir == TD_RTL && (align & SA_HOR_MASK) != SA_HOR_CENTER) align ^= SA_RIGHT;
 	switch (align & SA_HOR_MASK) {
 		case SA_LEFT:       p.x = r.left; break;
 		case SA_HOR_CENTER: p.x = CenterBounds(r.left, r.right, d.width); break;
 		case SA_RIGHT:      p.x = r.right - d.width; break;
 		default: NOT_REACHED();
+	}
 	switch (align & SA_VERT_MASK) {
 		case SA_TOP:         p.y = r.top; break;
 		case SA_VERT_CENTER: p.y = CenterBounds(r.top, r.bottom, d.height); break;
 		case SA_BOTTOM:      p.y = r.bottom - d.height; break;
 		default: NOT_REACHED();
+	}
 	return p;
+}
 /**
  * Compute the vertical position of the draggable part of scrollbar
  * @param sb     Scrollbar list data
  * @param top    Top position of the scrollbar (top position of the up-button)
  * @param bottom Bottom position of the scrollbar (bottom position of the down-button)
  * @param horizontal Whether the scrollbar is horizontal or not
  * @return A Point, with x containing the top coordinate of the draggable part, and
  *                       y containing the bottom coordinate of the draggable part
  */
 static Point HandleScrollbarHittest(const Scrollbar *sb, int top, int bottom, bool horizontal)
+{
 	/* Base for reversion */
 	int rev_base = top + bottom;
 	int button_size;
 	if (horizontal) {
 		button_size = NWidgetScrollbar::GetHorizontalDimension().width;
 	} else {
 		button_size = NWidgetScrollbar::GetVerticalDimension().height;
+	}
 	top += button_size;    // top    points to just below the up-button
 	bottom -= button_size; // bottom points to top of the down-button
 	int height = (bottom - top);
 	int pos = sb->GetPosition();
 	int count = sb->GetCount();
@@ @@ -191,98 +218,103 @@ void DrawFrameRect(int left, int top, in @@
 			GfxFillRect(left + WD_BEVEL_LEFT, top,                right,                  top,                      dark);
 			GfxFillRect(right,                top + WD_BEVEL_TOP, right,                  bottom - WD_BEVEL_BOTTOM, light);
 			GfxFillRect(left + WD_BEVEL_LEFT, bottom,             right,                  bottom,                   light);
 			interior = (flags & FR_DARKENED ? medium_dark : medium_light);
 		} else {
 			GfxFillRect(left,                 top,                left,                   bottom - WD_BEVEL_BOTTOM, light);
 			GfxFillRect(left + WD_BEVEL_LEFT, top,                right - WD_BEVEL_RIGHT, top,                      light);
 			GfxFillRect(right,                top,                right,                  bottom - WD_BEVEL_BOTTOM, dark);
 			GfxFillRect(left,                 bottom,             right,                  bottom,                   dark);
 			interior = medium_dark;
+		}
 		if (!(flags & FR_BORDERONLY)) {
 			GfxFillRect(left + WD_BEVEL_LEFT, top + WD_BEVEL_TOP, right - WD_BEVEL_RIGHT, bottom - WD_BEVEL_BOTTOM, interior);
+		}
+	}
+}
 /**
  * Draw an image button.
  * @param r       Rectangle of the button.
  * @param type    Widget type (#WWT_IMGBTN or #WWT_IMGBTN_2).
  * @param colour  Colour of the button.
  * @param clicked Button is lowered.
  * @param img     Sprite to draw.
  * @param align   Alignment of the sprite.
  */
 static inline void DrawImageButtons(const Rect &r, WidgetType type, Colours colour, bool clicked, SpriteID img)
+static inline void DrawImageButtons(const Rect &r, WidgetType type, Colours colour, bool clicked, SpriteID img, StringAlignment align)
+{
 	assert(img != 0);
 	DrawFrameRect(r.left, r.top, r.right, r.bottom, colour, (clicked) ? FR_LOWERED : FR_NONE);
 	if ((type & WWT_MASK) == WWT_IMGBTN_2 && clicked) img++; // Show different image when clicked for #WWT_IMGBTN_2.
 	Dimension d = GetSpriteSize(img);
 	DrawSprite(img, PAL_NONE, CenterBounds(r.left, r.right, d.width) + clicked, CenterBounds(r.top, r.bottom, d.height) + clicked);
 	Point p = GetAlignedPosition(r, d, align);
 	DrawSprite(img, PAL_NONE, p.x + clicked, p.y + clicked);
+}
 /**
  * Draw the label-part of a widget.
  * @param r       Rectangle of the label background.
  * @param type    Widget type (#WWT_TEXTBTN, #WWT_TEXTBTN_2, or #WWT_LABEL).
  * @param clicked Label is rendered lowered.
  * @param str     Text to draw.
  * @param align   Alignment of the text.
  */
 static inline void DrawLabel(const Rect &r, WidgetType type, bool clicked, StringID str)
+static inline void DrawLabel(const Rect &r, WidgetType type, bool clicked, StringID str, StringAlignment align)
+{
 	if (str == STR_NULL) return;
 	if ((type & WWT_MASK) == WWT_TEXTBTN_2 && clicked) str++;
 	Dimension d = GetStringBoundingBox(str);
 	int offset = std::max(0, ((int)(r.bottom - r.top + 1) - (int)d.height) / 2); // Offset for rendering the text vertically centered
 	DrawString(r.left + clicked, r.right + clicked, r.top + offset + clicked, str, TC_FROMSTRING, SA_HOR_CENTER);
 	Point p = GetAlignedPosition(r, d, align);
 	DrawString(r.left + clicked, r.right + clicked, p.y + clicked, str, TC_FROMSTRING, align);
+}
 /**
  * Draw text.
  * @param r      Rectangle of the background.
  * @param colour Colour of the text.
  * @param str    Text to draw.
  * @param align  Alignment of the text.
  */
 static inline void DrawText(const Rect &r, TextColour colour, StringID str)
+static inline void DrawText(const Rect &r, TextColour colour, StringID str, StringAlignment align)
+{
 	Dimension d = GetStringBoundingBox(str);
 	int offset = std::max(0, ((int)(r.bottom - r.top + 1) - (int)d.height) / 2); // Offset for rendering the text vertically centered
 	if (str != STR_NULL) DrawString(r.left, r.right, r.top + offset, str, colour);
 	Point p = GetAlignedPosition(r, d, align);
 	if (str != STR_NULL) DrawString(r.left, r.right, p.y, str, colour, align);
+}
 /**
  * Draw an inset widget.
  * @param r      Rectangle of the background.
  * @param colour Colour of the inset.
  * @param str    Text to draw.
  * @param align  Alignment of the text.
  */
 static inline void DrawInset(const Rect &r, Colours colour, StringID str)
+static inline void DrawInset(const Rect &r, Colours colour, StringID str, StringAlignment align)
+{
 	DrawFrameRect(r.left, r.top, r.right, r.bottom, colour, FR_LOWERED | FR_DARKENED);
 	if (str != STR_NULL) DrawString(r.left + WD_INSET_LEFT, r.right - WD_INSET_RIGHT, r.top + WD_INSET_TOP, str);
+	if (str != STR_NULL) DrawString(r.left + WD_INSET_LEFT, r.right - WD_INSET_RIGHT, r.top + WD_INSET_TOP, str, TC_FROMSTRING, align);
+}
 /**
  * Draw a matrix widget.
  * @param r       Rectangle of the matrix background.
  * @param colour  Colour of the background.
  * @param clicked Matrix is rendered lowered.
  * @param data    Data of the widget, number of rows and columns of the widget.
  * @param resize_x Matrix resize unit size.
  * @param resize_y Matrix resize unit size.
  */
 static inline void DrawMatrix(const Rect &r, Colours colour, bool clicked, uint16 data, uint resize_x, uint resize_y)
+{
 	DrawFrameRect(r.left, r.top, r.right, r.bottom, colour, (clicked) ? FR_LOWERED : FR_NONE);
 	int num_columns = GB(data, MAT_COL_START, MAT_COL_BITS);  // Lower 8 bits of the widget data: Number of columns in the matrix.
 	int column_width; // Width of a single column in the matrix.
 	if (num_columns == 0) {
 		column_width = resize_x;
 		num_columns = (r.right - r.left + 1) / column_width;
 	} else {
 		column_width = (r.right - r.left + 1) / num_columns;
+	}
@@ @@ -384,237 +416,241 @@ static inline void DrawHorizontalScrollb @@
 	int c1 = _colour_gradient[colour & 0xF][3];
 	int c2 = _colour_gradient[colour & 0xF][7];
 	/* draw "shaded" background */
 	GfxFillRect(r.left + width, r.top, r.right - width, r.bottom, c2);
 	GfxFillRect(r.left + width, r.top, r.right - width, r.bottom, c1, FILLRECT_CHECKER);
 	/* draw shaded lines */
 	GfxFillRect(r.left + width, r.top + centre - 3, r.right - width, r.top + centre - 3, c1);
 	GfxFillRect(r.left + width, r.top + centre - 2, r.right - width, r.top + centre - 2, c2);
 	GfxFillRect(r.left + width, r.top + centre + 2, r.right - width, r.top + centre + 2, c1);
 	GfxFillRect(r.left + width, r.top + centre + 3, r.right - width, r.top + centre + 3, c2);
 	/* draw actual scrollbar */
 	Point pt = HandleScrollbarHittest(scrollbar, r.left, r.right, true);
 	DrawFrameRect(pt.x, r.top, pt.y, r.bottom, colour, bar_dragged ? FR_LOWERED : FR_NONE);
+}
 /**
  * Draw a frame widget.
  * @param r      Rectangle of the frame.
  * @param colour Colour of the frame.
  * @param str    Text of the frame.
  * @param align  Alignment of the text in the frame.
  */
 static inline void DrawFrame(const Rect &r, Colours colour, StringID str)
+static inline void DrawFrame(const Rect &r, Colours colour, StringID str, StringAlignment align)
+{
 	int x2 = r.left; // by default the left side is the left side of the widget
 	if (str != STR_NULL) x2 = DrawString(r.left + WD_FRAMETEXT_LEFT, r.right - WD_FRAMETEXT_RIGHT, r.top, str);
+	if (str != STR_NULL) x2 = DrawString(r.left + WD_FRAMETEXT_LEFT, r.right - WD_FRAMETEXT_RIGHT, r.top, str, TC_FROMSTRING, align);
 	int c1 = _colour_gradient[colour][3];
 	int c2 = _colour_gradient[colour][7];
 	/* If the frame has text, adjust the top bar to fit half-way through */
 	int dy1 = 4;
 	if (str != STR_NULL) dy1 = FONT_HEIGHT_NORMAL / 2 - 1;
 	int dy2 = dy1 + 1;
 	if (_current_text_dir == TD_LTR) {
 		/* Line from upper left corner to start of text */
 		GfxFillRect(r.left, r.top + dy1, r.left + 4, r.top + dy1, c1);
 		GfxFillRect(r.left + 1, r.top + dy2, r.left + 4, r.top + dy2, c2);
 		/* Line from end of text to upper right corner */
 		GfxFillRect(x2, r.top + dy1, r.right - 1, r.top + dy1, c1);
 		GfxFillRect(x2, r.top + dy2, r.right - 2, r.top + dy2, c2);
 	} else {
 		/* Line from upper left corner to start of text */
 		GfxFillRect(r.left, r.top + dy1, x2 - 2, r.top + dy1, c1);
 		GfxFillRect(r.left + 1, r.top + dy2, x2 - 2, r.top + dy2, c2);
 		/* Line from end of text to upper right corner */
 		GfxFillRect(r.right - 5, r.top + dy1, r.right - 1, r.top + dy1, c1);
 		GfxFillRect(r.right - 5, r.top + dy2, r.right - 2, r.top + dy2, c2);
+	}
 	/* Line from upper left corner to bottom left corner */
 	GfxFillRect(r.left, r.top + dy2, r.left, r.bottom - 1, c1);
 	GfxFillRect(r.left + 1, r.top + dy2 + 1, r.left + 1, r.bottom - 2, c2);
 	/* Line from upper right corner to bottom right corner */
 	GfxFillRect(r.right - 1, r.top + dy2, r.right - 1, r.bottom - 2, c1);
 	GfxFillRect(r.right, r.top + dy1, r.right, r.bottom - 1, c2);
 	GfxFillRect(r.left + 1, r.bottom - 1, r.right - 1, r.bottom - 1, c1);
 	GfxFillRect(r.left, r.bottom, r.right, r.bottom, c2);
+}
 /**
  * Draw a shade box.
  * @param r       Rectangle of the box.
  * @param colour  Colour of the shade box.
  * @param clicked Box is lowered.
  */
 static inline void DrawShadeBox(const Rect &r, Colours colour, bool clicked)
+{
 	DrawImageButtons(r, WWT_SHADEBOX, colour, clicked, clicked ? SPR_WINDOW_SHADE: SPR_WINDOW_UNSHADE);
+	DrawImageButtons(r, WWT_SHADEBOX, colour, clicked, clicked ? SPR_WINDOW_SHADE: SPR_WINDOW_UNSHADE, SA_CENTER);
+}
 /**
  * Draw a sticky box.
  * @param r       Rectangle of the box.
  * @param colour  Colour of the sticky box.
  * @param clicked Box is lowered.
  */
 static inline void DrawStickyBox(const Rect &r, Colours colour, bool clicked)
+{
 	DrawImageButtons(r, WWT_STICKYBOX, colour, clicked, clicked ? SPR_PIN_UP : SPR_PIN_DOWN);
+	DrawImageButtons(r, WWT_STICKYBOX, colour, clicked, clicked ? SPR_PIN_UP : SPR_PIN_DOWN, SA_CENTER);
+}
 /**
  * Draw a defsize box.
  * @param r       Rectangle of the box.
  * @param colour  Colour of the defsize box.
  * @param clicked Box is lowered.
  */
 static inline void DrawDefSizeBox(const Rect &r, Colours colour, bool clicked)
+{
 	DrawImageButtons(r, WWT_DEFSIZEBOX, colour, clicked, SPR_WINDOW_DEFSIZE);
+	DrawImageButtons(r, WWT_DEFSIZEBOX, colour, clicked, SPR_WINDOW_DEFSIZE, SA_CENTER);
+}
 /**
  * Draw a NewGRF debug box.
  * @param r       Rectangle of the box.
  * @param colour  Colour of the debug box.
  * @param clicked Box is lowered.
  */
 static inline void DrawDebugBox(const Rect &r, Colours colour, bool clicked)
+{
 	DrawImageButtons(r, WWT_DEBUGBOX, colour, clicked, SPR_WINDOW_DEBUG);
+	DrawImageButtons(r, WWT_DEBUGBOX, colour, clicked, SPR_WINDOW_DEBUG, SA_CENTER);
+}
 /**
  * Draw a resize box.
  * @param r       Rectangle of the box.
  * @param colour  Colour of the resize box.
  * @param at_left Resize box is at left-side of the window,
  * @param clicked Box is lowered.
  */
 static inline void DrawResizeBox(const Rect &r, Colours colour, bool at_left, bool clicked)
+{
 	DrawFrameRect(r.left, r.top, r.right, r.bottom, colour, (clicked) ? FR_LOWERED : FR_NONE);
 	if (at_left) {
 		Dimension d = GetSpriteSize(SPR_WINDOW_RESIZE_LEFT);
 		DrawSprite(SPR_WINDOW_RESIZE_LEFT, PAL_NONE, r.left + WD_RESIZEBOX_RIGHT + clicked,
 				 r.bottom + 1 - WD_RESIZEBOX_BOTTOM - d.height + clicked);
 	} else {
 		Dimension d = GetSpriteSize(SPR_WINDOW_RESIZE_RIGHT);
 		DrawSprite(SPR_WINDOW_RESIZE_RIGHT, PAL_NONE, r.right + 1 - WD_RESIZEBOX_RIGHT - d.width + clicked,
 				 r.bottom + 1 - WD_RESIZEBOX_BOTTOM - d.height + clicked);
+	}
+}
 /**
  * Draw a close box.
  * @param r      Rectangle of the box.
  * @param colour Colour of the close box.
  */
 static inline void DrawCloseBox(const Rect &r, Colours colour)
+{
 	if (colour != COLOUR_WHITE) DrawFrameRect(r.left, r.top, r.right, r.bottom, colour, FR_NONE);
 	Dimension d = GetSpriteSize(SPR_CLOSEBOX);
 	int s = UnScaleGUI(1); /* Offset to account for shadow of SPR_CLOSEBOX */
 	DrawSprite(SPR_CLOSEBOX, (colour != COLOUR_WHITE ? TC_BLACK : TC_SILVER) | (1 << PALETTE_TEXT_RECOLOUR), CenterBounds(r.left, r.right, d.width - s), CenterBounds(r.top, r.bottom, d.height - s));
+}
 /**
  * Draw a caption bar.
  * @param r      Rectangle of the bar.
  * @param colour Colour of the window.
  * @param owner  'Owner' of the window.
  * @param str    Text to draw in the bar.
  * @param align  Alignment of the text.
  */
 void DrawCaption(const Rect &r, Colours colour, Owner owner, StringID str)
+void DrawCaption(const Rect &r, Colours colour, Owner owner, StringID str, StringAlignment align)
+{
 	bool company_owned = owner < MAX_COMPANIES;
 	DrawFrameRect(r.left, r.top, r.right, r.bottom, colour, FR_BORDERONLY);
 	DrawFrameRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, colour, company_owned ? FR_LOWERED | FR_DARKENED | FR_BORDERONLY : FR_LOWERED | FR_DARKENED);
 	if (company_owned) {
 		GfxFillRect(r.left + 2, r.top + 2, r.right - 2, r.bottom - 2, _colour_gradient[_company_colours[owner]][4]);
+	}
 	if (str != STR_NULL) {
 		Dimension d = GetStringBoundingBox(str);
 		int offset = std::max(0, ((int)(r.bottom - r.top + 1) - (int)d.height) / 2); // Offset for rendering the text vertically centered
 		DrawString(r.left + WD_CAPTIONTEXT_LEFT, r.right - WD_CAPTIONTEXT_RIGHT, r.top + offset, str, TC_FROMSTRING, SA_HOR_CENTER);
 		Point p = GetAlignedPosition(r, d, align);
 		DrawString(r.left + WD_CAPTIONTEXT_LEFT, r.right - WD_CAPTIONTEXT_RIGHT, p.y, str, TC_FROMSTRING, align);
+	}
+}
 /**
  * Draw a button with a dropdown (#WWT_DROPDOWN and #NWID_BUTTON_DROPDOWN).
  * @param r                Rectangle containing the widget.
  * @param colour           Background colour of the widget.
  * @param clicked_button   The button-part is lowered.
  * @param clicked_dropdown The drop-down part is lowered.
  * @param str              Text of the button.
  * @param align            Alignment of the text within the dropdown.
+ *
  * @note Magic constants are also used in #NWidgetLeaf::ButtonHit.
  */
 static inline void DrawButtonDropdown(const Rect &r, Colours colour, bool clicked_button, bool clicked_dropdown, StringID str)
+static inline void DrawButtonDropdown(const Rect &r, Colours colour, bool clicked_button, bool clicked_dropdown, StringID str, StringAlignment align)
+{
 	int text_offset = std::max(0, ((int)(r.bottom - r.top + 1) - FONT_HEIGHT_NORMAL) / 2); // Offset for rendering the text vertically centered
 	int dd_width  = NWidgetLeaf::dropdown_dimension.width;
 	int dd_height = NWidgetLeaf::dropdown_dimension.height;
 	int image_offset = std::max(0, ((int)(r.bottom - r.top + 1) - dd_height) / 2);
 	if (_current_text_dir == TD_LTR) {
 		DrawFrameRect(r.left, r.top, r.right - dd_width, r.bottom, colour, clicked_button ? FR_LOWERED : FR_NONE);
 		DrawFrameRect(r.right + 1 - dd_width, r.top, r.right, r.bottom, colour, clicked_dropdown ? FR_LOWERED : FR_NONE);
 		DrawSprite(SPR_ARROW_DOWN, PAL_NONE, r.right - (dd_width - 2) + clicked_dropdown, r.top + image_offset + clicked_dropdown);
 		if (str != STR_NULL) DrawString(r.left + WD_DROPDOWNTEXT_LEFT + clicked_button, r.right - dd_width - WD_DROPDOWNTEXT_RIGHT + clicked_button, r.top + text_offset + clicked_button, str, TC_BLACK);
+		if (str != STR_NULL) DrawString(r.left + WD_DROPDOWNTEXT_LEFT + clicked_button, r.right - dd_width - WD_DROPDOWNTEXT_RIGHT + clicked_button, r.top + text_offset + clicked_button, str, TC_BLACK, align);
 	} else {
 		DrawFrameRect(r.left + dd_width, r.top, r.right, r.bottom, colour, clicked_button ? FR_LOWERED : FR_NONE);
 		DrawFrameRect(r.left, r.top, r.left + dd_width - 1, r.bottom, colour, clicked_dropdown ? FR_LOWERED : FR_NONE);
 		DrawSprite(SPR_ARROW_DOWN, PAL_NONE, r.left + 1 + clicked_dropdown, r.top + image_offset + clicked_dropdown);
 		if (str != STR_NULL) DrawString(r.left + dd_width + WD_DROPDOWNTEXT_LEFT + clicked_button, r.right - WD_DROPDOWNTEXT_RIGHT + clicked_button, r.top + text_offset + clicked_button, str, TC_BLACK);
+		if (str != STR_NULL) DrawString(r.left + dd_width + WD_DROPDOWNTEXT_LEFT + clicked_button, r.right - WD_DROPDOWNTEXT_RIGHT + clicked_button, r.top + text_offset + clicked_button, str, TC_BLACK, align);
+	}
+}
 /**
  * Draw a dropdown #WWT_DROPDOWN widget.
  * @param r       Rectangle containing the widget.
  * @param colour  Background colour of the widget.
  * @param clicked The widget is lowered.
  * @param str     Text of the button.
  * @param align   Alignment of the text.
  */
 static inline void DrawDropdown(const Rect &r, Colours colour, bool clicked, StringID str)
+static inline void DrawDropdown(const Rect &r, Colours colour, bool clicked, StringID str, StringAlignment align)
+{
 	DrawButtonDropdown(r, colour, false, clicked, str);
+	DrawButtonDropdown(r, colour, false, clicked, str, align);
+}
 /**
  * Paint all widgets of a window.
  */
 void Window::DrawWidgets() const
+{
 	this->nested_root->Draw(this);
 	if (this->flags & WF_WHITE_BORDER) {
 		DrawFrameRect(0, 0, this->width - 1, this->height - 1, COLOUR_WHITE, FR_BORDERONLY);
+	}
 	if (this->flags & WF_HIGHLIGHTED) {
 		extern bool _window_highlight_colour;
 		for (uint i = 0; i < this->nested_array_size; i++) {
 			const NWidgetBase *widget = this->GetWidget<NWidgetBase>(i);
 			if (widget == nullptr || !widget->IsHighlighted()) continue;
 			int left = widget->pos_x;
 			int top  = widget->pos_y;
 			int right  = left + widget->current_x - 1;
 			int bottom = top  + widget->current_y - 1;
@@ @@ -851,80 +887,90 @@ void NWidgetResizeBase::SetResize(uint r @@
 	this->resize_y = resize_y;
+}
 void NWidgetResizeBase::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
+{
 	this->StoreSizePosition(sizing, x, y, given_width, given_height);
+}
 /**
  * Initialization of a 'real' widget.
  * @param tp          Type of the widget.
  * @param colour      Colour of the widget.
  * @param fill_x      Default horizontal filling.
  * @param fill_y      Default vertical filling.
  * @param widget_data Data component of the widget. @see Widget::data
  * @param tool_tip    Tool tip of the widget. @see Widget::tooltips
  */
 NWidgetCore::NWidgetCore(WidgetType tp, Colours colour, uint fill_x, uint fill_y, uint32 widget_data, StringID tool_tip) : NWidgetResizeBase(tp, fill_x, fill_y)
+{
 	this->colour = colour;
 	this->index = -1;
 	this->widget_data = widget_data;
 	this->tool_tip = tool_tip;
 	this->scrollbar_index = -1;
 	this->align = SA_CENTER;
+}
 /**
  * Set index of the nested widget in the widget array.
  * @param index Index to use.
  */
 void NWidgetCore::SetIndex(int index)
+{
 	assert(index >= 0);
 	this->index = index;
+}
 /**
  * Set data and tool tip of the nested widget.
  * @param widget_data Data to use.
  * @param tool_tip    Tool tip string to use.
  */
 void NWidgetCore::SetDataTip(uint32 widget_data, StringID tool_tip)
+{
 	this->widget_data = widget_data;
 	this->tool_tip = tool_tip;
+}
 /**
  * Set the tool tip of the nested widget.
  * @param tool_tip Tool tip string to use.
  */
 void NWidgetCore::SetToolTip(StringID tool_tip)
+{
 	this->tool_tip = tool_tip;
+}
 /**
  * Set the text/image alignment of the nested widget.
  * @param align Alignment to use.
  */
 void NWidgetCore::SetAlignment(StringAlignment align)
+{
 	this->align = align;
+}
 void NWidgetCore::FillNestedArray(NWidgetBase **array, uint length)
+{
 	if (this->index >= 0 && (uint)(this->index) < length) array[this->index] = this;
+}
 NWidgetCore *NWidgetCore::GetWidgetFromPos(int x, int y)
+{
 	return (IsInsideBS(x, this->pos_x, this->current_x) && IsInsideBS(y, this->pos_y, this->current_y)) ? this : nullptr;
+}
 /**
  * Constructor container baseclass.
  * @param tp Type of the container.
  */
 NWidgetContainer::NWidgetContainer(WidgetType tp) : NWidgetBase(tp)
+{
 	this->head = nullptr;
 	this->tail = nullptr;
+}
 NWidgetContainer::~NWidgetContainer()
+{
 	while (this->head != nullptr) {
 		NWidgetBase *wid = this->head->next;
@@ @@ -1704,48 +1750,49 @@ void NWidgetMatrix::GetScrollOffsets(int @@
 			int sub_x = this->sb->GetPosition() - start_x * this->widget_w;
 			if (_current_text_dir == TD_RTL) {
 				base_offs_x += sub_x;
 			} else {
 				base_offs_x -= sub_x;
+			}
+		}
+	}
+}
 /**
  * Constructor parent nested widgets.
  * @param tp     Type of parent widget.
  * @param colour Colour of the parent widget.
  * @param index  Index in the widget array used by the window system.
  * @param child  Child container widget (if supplied). If not supplied, a
  *               vertical container will be inserted while adding the first
  *               child widget.
  */
 NWidgetBackground::NWidgetBackground(WidgetType tp, Colours colour, int index, NWidgetPIPContainer *child) : NWidgetCore(tp, colour, 1, 1, 0x0, STR_NULL)
+{
 	assert(tp == WWT_PANEL || tp == WWT_INSET || tp == WWT_FRAME);
 	if (index >= 0) this->SetIndex(index);
 	this->child = child;
 	this->SetAlignment(SA_TOP | SA_LEFT);
+}
 NWidgetBackground::~NWidgetBackground()
+{
 	if (this->child != nullptr) delete this->child;
+}
 /**
  * Add a child to the parent.
  * @param nwid Nested widget to add to the background widget.
+ *
  * Unless a child container has been given in the constructor, a parent behaves as a vertical container.
  * You can add several children to it, and they are put underneath each other.
  */
 void NWidgetBackground::Add(NWidgetBase *nwid)
+{
 	if (this->child == nullptr) {
 		this->child = new NWidgetVertical();
+	}
 	this->child->Add(nwid);
+}
 /**
  * Set additional pre/inter/post space for the background widget.
@@ @@ -1837,54 +1884,54 @@ void NWidgetBackground::FillNestedArray( @@
 	if (this->child != nullptr) this->child->FillNestedArray(array, length);
+}
 void NWidgetBackground::Draw(const Window *w)
+{
 	if (this->current_x == 0 || this->current_y == 0) return;
 	Rect r;
 	r.left = this->pos_x;
 	r.right = this->pos_x + this->current_x - 1;
 	r.top = this->pos_y;
 	r.bottom = this->pos_y + this->current_y - 1;
 	const DrawPixelInfo *dpi = _cur_dpi;
 	if (dpi->left > r.right || dpi->left + dpi->width <= r.left || dpi->top > r.bottom || dpi->top + dpi->height <= r.top) return;
 	switch (this->type) {
 		case WWT_PANEL:
 			assert(this->widget_data == 0);
 			DrawFrameRect(r.left, r.top, r.right, r.bottom, this->colour, this->IsLowered() ? FR_LOWERED : FR_NONE);
 			break;
 		case WWT_FRAME:
 			if (this->index >= 0) w->SetStringParameters(this->index);
 			DrawFrame(r, this->colour, this->widget_data);
+			DrawFrame(r, this->colour, this->widget_data, this->align);
 			break;
 		case WWT_INSET:
 			if (this->index >= 0) w->SetStringParameters(this->index);
 			DrawInset(r, this->colour, this->widget_data);
+			DrawInset(r, this->colour, this->widget_data, this->align);
 			break;
 		default:
 			NOT_REACHED();
+	}
 	if (this->index >= 0) w->DrawWidget(r, this->index);
 	if (this->child != nullptr) this->child->Draw(w);
 	if (this->IsDisabled()) {
 		GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, _colour_gradient[this->colour & 0xF][2], FILLRECT_CHECKER);
+	}
+}
 NWidgetCore *NWidgetBackground::GetWidgetFromPos(int x, int y)
+{
 	NWidgetCore *nwid = nullptr;
 	if (IsInsideBS(x, this->pos_x, this->current_x) && IsInsideBS(y, this->pos_y, this->current_y)) {
 		if (this->child != nullptr) nwid = this->child->GetWidgetFromPos(x, y);
 		if (nwid == nullptr) nwid = this;
+	}
 	return nwid;
+}
@@ @@ -2171,57 +2218,61 @@ Dimension NWidgetLeaf::stickybox_dimensi @@
 Dimension NWidgetLeaf::resizebox_dimension  = {0, 0};
 Dimension NWidgetLeaf::closebox_dimension   = {0, 0};
 Dimension NWidgetLeaf::dropdown_dimension   = {0, 0};
 /**
  * Nested leaf widget.
  * @param tp     Type of leaf widget.
  * @param colour Colour of the leaf widget.
  * @param index  Index in the widget array used by the window system.
  * @param data   Data of the widget.
  * @param tip    Tooltip of the widget.
  */
 NWidgetLeaf::NWidgetLeaf(WidgetType tp, Colours colour, int index, uint32 data, StringID tip) : NWidgetCore(tp, colour, 1, 1, data, tip)
+{
 	assert(index >= 0 || tp == WWT_LABEL || tp == WWT_TEXT || tp == WWT_CAPTION || tp == WWT_RESIZEBOX || tp == WWT_SHADEBOX || tp == WWT_DEFSIZEBOX || tp == WWT_DEBUGBOX || tp == WWT_STICKYBOX || tp == WWT_CLOSEBOX);
 	if (index >= 0) this->SetIndex(index);
 	this->min_x = 0;
 	this->min_y = 0;
 	this->SetResize(0, 0);
 	switch (tp) {
 		case WWT_EMPTY:
 			break;
 		case WWT_TEXT:
 			this->SetFill(0, 0);
 			this->SetAlignment(SA_LEFT | SA_VERT_CENTER);
 			break;
 		case WWT_PUSHBTN:
 		case WWT_IMGBTN:
 		case WWT_PUSHIMGBTN:
 		case WWT_IMGBTN_2:
 		case WWT_TEXTBTN:
 		case WWT_PUSHTXTBTN:
 		case WWT_TEXTBTN_2:
 		case WWT_LABEL:
 		case WWT_TEXT:
 		case WWT_MATRIX:
 		case NWID_BUTTON_DROPDOWN:
 		case NWID_PUSHBUTTON_DROPDOWN:
 		case WWT_ARROWBTN:
 		case WWT_PUSHARROWBTN:
 			this->SetFill(0, 0);
 			break;
 		case WWT_EDITBOX:
 			this->SetFill(0, 0);
 			break;
 		case WWT_CAPTION:
 			this->SetFill(1, 0);
 			this->SetResize(1, 0);
 			this->min_y = WD_CAPTION_HEIGHT;
 			this->SetDataTip(data, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS);
 			break;
 		case WWT_STICKYBOX:
 			this->SetFill(0, 0);
 			this->SetMinimalSize(WD_STICKYBOX_WIDTH, WD_CAPTION_HEIGHT);
 			this->SetDataTip(STR_NULL, STR_TOOLTIP_STICKY);
 			break;
@@ @@ -2238,48 +2289,49 @@ NWidgetLeaf::NWidgetLeaf(WidgetType tp, @@
 			this->SetDataTip(STR_NULL, STR_TOOLTIP_DEBUG);
 			break;
 		case WWT_DEFSIZEBOX:
 			this->SetFill(0, 0);
 			this->SetMinimalSize(WD_DEFSIZEBOX_TOP, WD_CAPTION_HEIGHT);
 			this->SetDataTip(STR_NULL, STR_TOOLTIP_DEFSIZE);
 			break;
 		case WWT_RESIZEBOX:
 			this->SetFill(0, 0);
 			this->SetMinimalSize(WD_RESIZEBOX_WIDTH, 12);
 			this->SetDataTip(STR_NULL, STR_TOOLTIP_RESIZE);
 			break;
 		case WWT_CLOSEBOX:
 			this->SetFill(0, 0);
 			this->SetMinimalSize(WD_CLOSEBOX_WIDTH, WD_CAPTION_HEIGHT);
 			this->SetDataTip(STR_NULL, STR_TOOLTIP_CLOSE_WINDOW);
 			break;
 		case WWT_DROPDOWN:
 			this->SetFill(0, 0);
 			this->min_y = WD_DROPDOWN_HEIGHT;
 			this->SetAlignment(SA_TOP | SA_LEFT);
 			break;
 		default:
 			NOT_REACHED();
+	}
+}
 void NWidgetLeaf::SetupSmallestSize(Window *w, bool init_array)
+{
 	if (this->index >= 0 && init_array) { // Fill w->nested_array[]
 		assert(w->nested_array_size > (uint)this->index);
 		w->nested_array[this->index] = this;
+	}
 	Dimension size = {this->min_x, this->min_y};
 	Dimension fill = {this->fill_x, this->fill_y};
 	Dimension resize = {this->resize_x, this->resize_y};
 	/* Get padding, and update size with the real content size if appropriate. */
 	const Dimension *padding = nullptr;
 	switch (this->type) {
 		case WWT_EMPTY: {
 			static const Dimension extra = {0, 0};
 			padding = &extra;
 			break;
@@ @@ -2472,135 +2524,135 @@ void NWidgetLeaf::Draw(const Window *w) @@
 	new_dpi.top += this->pos_y;
 	DrawPixelInfo *old_dpi = _cur_dpi;
 	_cur_dpi = &new_dpi;
 	Rect r;
 	r.left = this->pos_x;
 	r.right = this->pos_x + this->current_x - 1;
 	r.top = this->pos_y;
 	r.bottom = this->pos_y + this->current_y - 1;
 	bool clicked = this->IsLowered();
 	switch (this->type) {
 		case WWT_EMPTY:
 			break;
 		case WWT_PUSHBTN:
 			assert(this->widget_data == 0);
 			DrawFrameRect(r.left, r.top, r.right, r.bottom, this->colour, (clicked) ? FR_LOWERED : FR_NONE);
 			break;
 		case WWT_IMGBTN:
 		case WWT_PUSHIMGBTN:
 		case WWT_IMGBTN_2:
 			DrawImageButtons(r, this->type, this->colour, clicked, this->widget_data);
+			DrawImageButtons(r, this->type, this->colour, clicked, this->widget_data, this->align);
 			break;
 		case WWT_TEXTBTN:
 		case WWT_PUSHTXTBTN:
 		case WWT_TEXTBTN_2:
 			if (this->index >= 0) w->SetStringParameters(this->index);
 			DrawFrameRect(r.left, r.top, r.right, r.bottom, this->colour, (clicked) ? FR_LOWERED : FR_NONE);
 			DrawLabel(r, this->type, clicked, this->widget_data);
+			DrawLabel(r, this->type, clicked, this->widget_data, this->align);
 			break;
 		case WWT_ARROWBTN:
 		case WWT_PUSHARROWBTN: {
 			SpriteID sprite;
 			switch (this->widget_data) {
 				case AWV_DECREASE: sprite = _current_text_dir != TD_RTL ? SPR_ARROW_LEFT : SPR_ARROW_RIGHT; break;
 				case AWV_INCREASE: sprite = _current_text_dir == TD_RTL ? SPR_ARROW_LEFT : SPR_ARROW_RIGHT; break;
 				case AWV_LEFT:     sprite = SPR_ARROW_LEFT;  break;
 				case AWV_RIGHT:    sprite = SPR_ARROW_RIGHT; break;
 				default: NOT_REACHED();
+			}
 			DrawImageButtons(r, WWT_PUSHIMGBTN, this->colour, clicked, sprite);
+			DrawImageButtons(r, WWT_PUSHIMGBTN, this->colour, clicked, sprite, this->align);
 			break;
+		}
 		case WWT_LABEL:
 			if (this->index >= 0) w->SetStringParameters(this->index);
 			DrawLabel(r, this->type, clicked, this->widget_data);
+			DrawLabel(r, this->type, clicked, this->widget_data, this->align);
 			break;
 		case WWT_TEXT:
 			if (this->index >= 0) w->SetStringParameters(this->index);
 			DrawText(r, (TextColour)this->colour, this->widget_data);
+			DrawText(r, (TextColour)this->colour, this->widget_data, this->align);
 			break;
 		case WWT_MATRIX:
 			DrawMatrix(r, this->colour, clicked, this->widget_data, this->resize_x, this->resize_y);
 			break;
 		case WWT_EDITBOX: {
 			const QueryString *query = w->GetQueryString(this->index);
 			if (query != nullptr) query->DrawEditBox(w, this->index);
 			break;
+		}
 		case WWT_CAPTION:
 			if (this->index >= 0) w->SetStringParameters(this->index);
 			DrawCaption(r, this->colour, w->owner, this->widget_data);
+			DrawCaption(r, this->colour, w->owner, this->widget_data, this->align);
 			break;
 		case WWT_SHADEBOX:
 			assert(this->widget_data == 0);
 			DrawShadeBox(r, this->colour, w->IsShaded());
 			break;
 		case WWT_DEBUGBOX:
 			DrawDebugBox(r, this->colour, clicked);
 			break;
 		case WWT_STICKYBOX:
 			assert(this->widget_data == 0);
 			DrawStickyBox(r, this->colour, !!(w->flags & WF_STICKY));
 			break;
 		case WWT_DEFSIZEBOX:
 			assert(this->widget_data == 0);
 			DrawDefSizeBox(r, this->colour, clicked);
 			break;
 		case WWT_RESIZEBOX:
 			assert(this->widget_data == 0);
 			DrawResizeBox(r, this->colour, this->pos_x < (w->width / 2), !!(w->flags & WF_SIZING));
 			break;
 		case WWT_CLOSEBOX:
 			DrawCloseBox(r, this->colour);
 			break;
 		case WWT_DROPDOWN:
 			if (this->index >= 0) w->SetStringParameters(this->index);
 			DrawDropdown(r, this->colour, clicked, this->widget_data);
+			DrawDropdown(r, this->colour, clicked, this->widget_data, this->align);
 			break;
 		case NWID_BUTTON_DROPDOWN:
 		case NWID_PUSHBUTTON_DROPDOWN:
 			if (this->index >= 0) w->SetStringParameters(this->index);
 			DrawButtonDropdown(r, this->colour, clicked, (this->disp_flags & ND_DROPDOWN_ACTIVE) != 0, this->widget_data);
+			DrawButtonDropdown(r, this->colour, clicked, (this->disp_flags & ND_DROPDOWN_ACTIVE) != 0, this->widget_data, this->align);
 			break;
 		default:
 			NOT_REACHED();
+	}
 	if (this->index >= 0) w->DrawWidget(r, this->index);
 	if (this->IsDisabled()) {
 		GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, _colour_gradient[this->colour & 0xF][2], FILLRECT_CHECKER);
+	}
 	_cur_dpi = old_dpi;
+}
 /**
  * For a #NWID_BUTTON_DROPDOWN, test whether \a pt refers to the button or to the drop-down.
  * @param pt Point in the widget.
  * @return The point refers to the button.
+ *
  * @note The magic constants are also used at #DrawButtonDropdown.
  */
 bool NWidgetLeaf::ButtonHit(const Point &pt)
+{
 	if (_current_text_dir == TD_LTR) {
@@ @@ -2697,48 +2749,56 @@ static int MakeNWidget(const NWidgetPart @@
 					assert(parts->u.xy.x >= 0 && parts->u.xy.y >= 0);
 					nwrb->SetResize(parts->u.xy.x, parts->u.xy.y);
+				}
 				break;
+			}
 			case WPT_MINSIZE: {
 				NWidgetResizeBase *nwrb = dynamic_cast<NWidgetResizeBase *>(*dest);
 				if (nwrb != nullptr) {
 					assert(parts->u.xy.x >= 0 && parts->u.xy.y >= 0);
 					nwrb->SetMinimalSize(ScaleGUITrad(parts->u.xy.x), ScaleGUITrad(parts->u.xy.y));
+				}
 				break;
+			}
 			case WPT_MINTEXTLINES: {
 				NWidgetResizeBase *nwrb = dynamic_cast<NWidgetResizeBase *>(*dest);
 				if (nwrb != nullptr) {
 					assert(parts->u.text_lines.size >= FS_BEGIN && parts->u.text_lines.size < FS_END);
 					nwrb->SetMinimalTextLines(parts->u.text_lines.lines, parts->u.text_lines.spacing, parts->u.text_lines.size);
+				}
 				break;
+			}
 			case WPT_ALIGNMENT: {
 				NWidgetCore *nwc = dynamic_cast<NWidgetCore *>(*dest);
 				if (nwc != nullptr) {
 					nwc->SetAlignment(parts->u.align.align);
+				}
 				break;
+			}
 			case WPT_FILL: {
 				NWidgetResizeBase *nwrb = dynamic_cast<NWidgetResizeBase *>(*dest);
 				if (nwrb != nullptr) nwrb->SetFill(parts->u.xy.x, parts->u.xy.y);
 				break;
+			}
 			case WPT_DATATIP: {
 				NWidgetCore *nwc = dynamic_cast<NWidgetCore *>(*dest);
 				if (nwc != nullptr) {
 					nwc->widget_data = parts->u.data_tip.data;
 					nwc->tool_tip = parts->u.data_tip.tooltip;
+				}
 				break;
+			}
 			case WPT_PADDING:
 				if (*dest != nullptr) (*dest)->SetPadding(ScaleGUITrad(parts->u.padding.top), ScaleGUITrad(parts->u.padding.right), ScaleGUITrad(parts->u.padding.bottom), ScaleGUITrad(parts->u.padding.left));
 				break;
 			case WPT_PIPSPACE: {
 				NWidgetPIPContainer *nwc = dynamic_cast<NWidgetPIPContainer *>(*dest);
 				if (nwc != nullptr) nwc->SetPIP(ScaleGUITrad(parts->u.pip.pre), ScaleGUITrad(parts->u.pip.inter), ScaleGUITrad(parts->u.pip.post));
 				NWidgetBackground *nwb = dynamic_cast<NWidgetBackground *>(*dest);

src/widget_type.h

➞

Show inline comments

@@ @@ -68,48 +68,49 @@ enum WidgetType { @@
 	WWT_DROPDOWN,   ///< Drop down list
 	WWT_EDITBOX,    ///< a textbox for typing
 	WWT_LAST,       ///< Last Item. use WIDGETS_END to fill up padding!!
 	/* Nested widget types. */
 	NWID_HORIZONTAL,      ///< Horizontal container.
 	NWID_HORIZONTAL_LTR,  ///< Horizontal container that doesn't change the order of the widgets for RTL languages.
 	NWID_VERTICAL,        ///< Vertical container.
 	NWID_MATRIX,          ///< Matrix container.
 	NWID_SPACER,          ///< Invisible widget that takes some space.
 	NWID_SELECTION,       ///< Stacked widgets, only one visible at a time (eg in a panel with tabs).
 	NWID_VIEWPORT,        ///< Nested widget containing a viewport.
 	NWID_BUTTON_DROPDOWN, ///< Button with a drop-down.
 	NWID_HSCROLLBAR,      ///< Horizontal scrollbar
 	NWID_VSCROLLBAR,      ///< Vertical scrollbar
 	/* Nested widget part types. */
 	WPT_RESIZE,       ///< Widget part for specifying resizing.
 	WPT_MINSIZE,      ///< Widget part for specifying minimal size.
 	WPT_MINTEXTLINES, ///< Widget part for specifying minimal number of lines of text.
 	WPT_FILL,         ///< Widget part for specifying fill.
 	WPT_DATATIP,      ///< Widget part for specifying data and tooltip.
 	WPT_PADDING,      ///< Widget part for specifying a padding.
 	WPT_PIPSPACE,     ///< Widget part for specifying pre/inter/post space for containers.
 	WPT_ALIGNMENT,    ///< Widget part for specifying text/image alignment.
 	WPT_ENDCONTAINER, ///< Widget part to denote end of a container.
 	WPT_FUNCTION,     ///< Widget part for calling a user function.
 	WPT_SCROLLBAR,    ///< Widget part for attaching a scrollbar.
 	/* Pushable window widget types. */
 	WWT_MASK = 0x7F,
 	WWB_PUSHBUTTON    = 1 << 7,
 	WWT_PUSHBTN       = WWT_PANEL    | WWB_PUSHBUTTON,    ///< Normal push-button (no toggle button) with custom drawing
 	WWT_PUSHTXTBTN    = WWT_TEXTBTN  | WWB_PUSHBUTTON,    ///< Normal push-button (no toggle button) with text caption
 	WWT_PUSHIMGBTN    = WWT_IMGBTN   | WWB_PUSHBUTTON,    ///< Normal push-button (no toggle button) with image caption
 	WWT_PUSHARROWBTN  = WWT_ARROWBTN | WWB_PUSHBUTTON,    ///< Normal push-button (no toggle button) with arrow caption
 	NWID_PUSHBUTTON_DROPDOWN = NWID_BUTTON_DROPDOWN | WWB_PUSHBUTTON,
 };
 /** Different forms of sizing nested widgets, using NWidgetBase::AssignSizePosition() */
 enum SizingType {
 	ST_SMALLEST, ///< Initialize nested widget tree to smallest size. Also updates \e current_x and \e current_y.
 	ST_RESIZE,   ///< Resize the nested widget tree.
 };
 /* Forward declarations. */
 class NWidgetCore;
@@ @@ -275,67 +276,69 @@ enum NWidgetDisplay { @@
 	ND_LOWERED  = 1 << NDB_LOWERED,                ///< Bit value of the lowered flag.
 	ND_DISABLED = 1 << NDB_DISABLED,               ///< Bit value of the disabled flag.
 	ND_HIGHLIGHT = 1 << NDB_HIGHLIGHT,             ///< Bit value of the highlight flag.
 	ND_NO_TRANSPARENCY = 1 << NDB_NO_TRANSPARENCY, ///< Bit value of the 'no transparency' flag.
 	ND_SHADE_GREY      = 1 << NDB_SHADE_GREY,      ///< Bit value of the 'shade to grey' flag.
 	ND_SHADE_DIMMED    = 1 << NDB_SHADE_DIMMED,    ///< Bit value of the 'dimmed colours' flag.
 	ND_DROPDOWN_ACTIVE = 1 << NDB_DROPDOWN_ACTIVE, ///< Bit value of the 'dropdown active' flag.
 	ND_SCROLLBAR_UP    = 1 << NDB_SCROLLBAR_UP,    ///< Bit value of the 'scrollbar up' flag.
 	ND_SCROLLBAR_DOWN  = 1 << NDB_SCROLLBAR_DOWN,  ///< Bit value of the 'scrollbar down' flag.
 	ND_SCROLLBAR_BTN   = ND_SCROLLBAR_UP | ND_SCROLLBAR_DOWN, ///< Bit value of the 'scrollbar up' or 'scrollbar down' flag.
 };
 DECLARE_ENUM_AS_BIT_SET(NWidgetDisplay)
 /**
  * Base class for a 'real' widget.
  * @ingroup NestedWidgets
  */
 class NWidgetCore : public NWidgetResizeBase {
 public:
 	NWidgetCore(WidgetType tp, Colours colour, uint fill_x, uint fill_y, uint32 widget_data, StringID tool_tip);
 	void SetIndex(int index);
 	void SetDataTip(uint32 widget_data, StringID tool_tip);
 	void SetToolTip(StringID tool_tip);
 	void SetAlignment(StringAlignment align);
 	inline void SetLowered(bool lowered);
 	inline bool IsLowered() const;
 	inline void SetDisabled(bool disabled);
 	inline bool IsDisabled() const;
 	void FillNestedArray(NWidgetBase **array, uint length) override;
 	NWidgetCore *GetWidgetFromPos(int x, int y) override;
 	bool IsHighlighted() const override;
 	TextColour GetHighlightColour() const override;
 	void SetHighlighted(TextColour highlight_colour) override;
 	NWidgetDisplay disp_flags; ///< Flags that affect display and interaction with the widget.
 	Colours colour;            ///< Colour of this widget.
 	int index;                 ///< Index of the nested widget in the widget array of the window (\c -1 means 'not used').
 	uint32 widget_data;        ///< Data of the widget. @see Widget::data
 	StringID tool_tip;         ///< Tooltip of the widget. @see Widget::tootips
 	int scrollbar_index;       ///< Index of an attached scrollbar.
 	TextColour highlight_colour; ///< Colour of highlight.
 	StringAlignment align;     ///< Alignment of text/image within widget.
 };
 /**
  * Highlight the widget or not.
  * @param highlight_colour Widget must be highlighted (blink).
  */
 inline void NWidgetCore::SetHighlighted(TextColour highlight_colour)
+{
 	this->disp_flags = highlight_colour != TC_INVALID ? SETBITS(this->disp_flags, ND_HIGHLIGHT) : CLRBITS(this->disp_flags, ND_HIGHLIGHT);
 	this->highlight_colour = highlight_colour;
+}
 /** Return whether the widget is highlighted. */
 inline bool NWidgetCore::IsHighlighted() const
+{
 	return HasBit(this->disp_flags, NDB_HIGHLIGHT);
+}
 /** Return the colour of the highlight. */
 inline TextColour NWidgetCore::GetHighlightColour() const
+{
 	return this->highlight_colour;
+}
@@ @@ -885,68 +888,77 @@ struct NWidgetPartWidget { @@
  */
 struct NWidgetPartPaddings {
 	uint8 top, right, bottom, left; ///< Paddings for all directions.
 };
 /**
  * Widget part for storing pre/inter/post spaces.
  * @ingroup NestedWidgetParts
  */
 struct NWidgetPartPIP {
 	uint8 pre, inter, post; ///< Amount of space before/between/after child widgets.
 };
 /**
  * Widget part for storing minimal text line data.
  * @ingroup NestedWidgetParts
  */
 struct NWidgetPartTextLines {
 	uint8 lines;   ///< Number of text lines.
 	uint8 spacing; ///< Extra spacing around lines.
 	FontSize size; ///< Font size of text lines.
 };
 /**
  * Widget part for setting text/image alignment within a widget.
  * @ingroup NestedWidgetParts
  */
 struct NWidgetPartAlignment {
 	StringAlignment align; ///< Alignment of text/image.
 };
 /**
  * Pointer to function returning a nested widget.
  * @param biggest_index Pointer to storage for collecting the biggest index used in the nested widget.
  * @return Nested widget (tree).
  * @post \c *biggest_index must contain the value of the biggest index in the returned tree.
  */
 typedef NWidgetBase *NWidgetFunctionType(int *biggest_index);
 /**
  * Partial widget specification to allow NWidgets to be written nested.
  * @ingroup NestedWidgetParts
  */
 struct NWidgetPart {
 	WidgetType type;                         ///< Type of the part. @see NWidgetPartType.
 	union {
 		Point xy;                        ///< Part with an x/y size.
 		NWidgetPartDataTip data_tip;     ///< Part with a data/tooltip.
 		NWidgetPartWidget widget;        ///< Part with a start of a widget.
 		NWidgetPartPaddings padding;     ///< Part with paddings.
 		NWidgetPartPIP pip;              ///< Part with pre/inter/post spaces.
 		NWidgetPartTextLines text_lines; ///< Part with text line data.
 		NWidgetPartAlignment align;      ///< Part with internal alignment.
 		NWidgetFunctionType *func_ptr;   ///< Part with a function call.
 		NWidContainerFlags cont_flags;   ///< Part with container flags.
 	} u;
 };
 /**
  * Widget part function for setting the resize step.
  * @param dx Horizontal resize step. 0 means no horizontal resizing.
  * @param dy Vertical resize step. 0 means no vertical resizing.
  * @ingroup NestedWidgetParts
  */
 static inline NWidgetPart SetResize(int16 dx, int16 dy)
+{
 	NWidgetPart part;
 	part.type = WPT_RESIZE;
 	part.u.xy.x = dx;
 	part.u.xy.y = dy;
 	return part;
+}
 /**
  * Widget part function for setting the minimal size.
@@ @@ -964,48 +976,63 @@ static inline NWidgetPart SetMinimalSize @@
 	return part;
+}
 /**
  * Widget part function for setting the minimal text lines.
  * @param lines   Number of text lines.
  * @param spacing Extra spacing required.
  * @param size    Font size of text.
  * @ingroup NestedWidgetParts
  */
 static inline NWidgetPart SetMinimalTextLines(uint8 lines, uint8 spacing, FontSize size = FS_NORMAL)
+{
 	NWidgetPart part;
 	part.type = WPT_MINTEXTLINES;
 	part.u.text_lines.lines = lines;
 	part.u.text_lines.spacing = spacing;
 	part.u.text_lines.size = size;
 	return part;
+}
 /**
  * Widget part function for setting the alignment of text/images.
  * @param align  Alignment of text/image within widget.
  * @ingroup NestedWidgetParts
  */
 static inline NWidgetPart SetAlignment(StringAlignment align)
+{
 	NWidgetPart part;
 	part.type = WPT_ALIGNMENT;
 	part.u.align.align = align;
 	return part;
+}
 /**
  * Widget part function for setting filling.
  * @param fill_x Horizontal filling step from minimal size.
  * @param fill_y Vertical filling step from minimal size.
  * @ingroup NestedWidgetParts
  */
 static inline NWidgetPart SetFill(uint fill_x, uint fill_y)
+{
 	NWidgetPart part;
 	part.type = WPT_FILL;
 	part.u.xy.x = fill_x;
 	part.u.xy.y = fill_y;
 	return part;
+}
 /**
  * Widget part function for denoting the end of a container
  * (horizontal, vertical, WWT_FRAME, WWT_INSET, or WWT_PANEL).
  * @ingroup NestedWidgetParts
  */
 static inline NWidgetPart EndContainer()
+{
 	NWidgetPart part;

src/window_gui.h

➞

Show inline comments

@@ @@ -119,49 +119,49 @@ enum WidgetDrawDistances { @@
 	WD_CLOSEBOX_RIGHT  = 1,     ///< Right offset of closebox string.
 	WD_CLOSEBOX_TOP    = 2,     ///< Top offset of closebox string.
 	WD_CLOSEBOX_BOTTOM = 2,     ///< Bottom offset of closebox string.
 	/* WWT_CAPTION */
 	WD_CAPTION_HEIGHT     = 14, ///< Height of a title bar.
 	WD_CAPTIONTEXT_LEFT   = 2,  ///< Offset of the caption text at the left.
 	WD_CAPTIONTEXT_RIGHT  = 2,  ///< Offset of the caption text at the right.
 	WD_CAPTIONTEXT_TOP    = 2,  ///< Offset of the caption text at the top.
 	WD_CAPTIONTEXT_BOTTOM = 2,  ///< Offset of the caption text at the bottom.
 	/* Dropdown widget. */
 	WD_DROPDOWN_HEIGHT     = 12, ///< Height of a drop down widget.
 	WD_DROPDOWNTEXT_LEFT   = 2,  ///< Left offset of the dropdown widget string.
 	WD_DROPDOWNTEXT_RIGHT  = 2,  ///< Right offset of the dropdown widget string.
 	WD_DROPDOWNTEXT_TOP    = 1,  ///< Top offset of the dropdown widget string.
 	WD_DROPDOWNTEXT_BOTTOM = 1,  ///< Bottom offset of the dropdown widget string.
 	WD_PAR_VSEP_NORMAL = 2,      ///< Normal amount of vertical space between two paragraphs of text.
 	WD_PAR_VSEP_WIDE   = 8,      ///< Large amount of vertical space between two paragraphs of text.
 };
 /* widget.cpp */
 void DrawFrameRect(int left, int top, int right, int bottom, Colours colour, FrameFlags flags);
 void DrawCaption(const Rect &r, Colours colour, Owner owner, StringID str);
+void DrawCaption(const Rect &r, Colours colour, Owner owner, StringID str, StringAlignment align);
 /* window.cpp */
 extern Window *_z_front_window;
 extern Window *_z_back_window;
 extern Window *_focused_window;
 /** How do we the window to be placed? */
 enum WindowPosition {
 	WDP_MANUAL,        ///< Manually align the window (so no automatic location finding)
 	WDP_AUTO,          ///< Find a place automatically
 	WDP_CENTER,        ///< Center the window
 	WDP_ALIGN_TOOLBAR, ///< Align toward the toolbar
 };
 Point GetToolbarAlignedWindowPosition(int window_width);
 struct HotkeyList;
 /**
  * High level window description
  */
 struct WindowDesc : ZeroedMemoryAllocator {

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