cpp/openttd-patchpack/source Changeset - r12399:f83ee44e993f

Changeset - r12399:f83ee44e993f

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alberth - 15 years ago 2009-07-16 10:26:13
alberth@openttd.org

(svn r16843) -Codechange: More documentation for the WWT_MATRIX widget, and better variable names in matrix rendering function.

2 files changed with 14 insertions and 14 deletions:

src/widget.cpp

src/widget_type.h

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src/widget.cpp

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@@ @@ -330,43 +330,43 @@ static inline void DrawInset(const Rect @@
  * @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.
+ * @param data    Data of the widget, number of rows and columns of the widget.
  */
 static inline void DrawMatrix(const Rect &r, Colours colour, bool clicked, uint16 data)
+{
 	DrawFrameRect(r.left, r.top, r.right, r.bottom, colour, (clicked) ? FR_LOWERED : FR_NONE);
 	int c = GB(data, 0, 8);
 	int amt1 = (r.right - r.left + 1) / c;
 	int num_columns = GB(data, 0, 8);  // Lower 8 bits of the widget data: Number of columns in the matrix.
 	int column_width = (r.right - r.left + 1) / num_columns; // Width of a single column in the matrix.
 	int d = GB(data, 8, 8);
 	int amt2 = (r.bottom - r.top + 1) / d;
 	int num_rows = GB(data, 8, 8); // Upper 8 bits of the widget data: Number of rows in the matrix.
 	int row_height = (r.bottom - r.top + 1) / num_rows; // Height of a single row in the matrix.
 	int col = _colour_gradient[colour & 0xF][6];
 	int x = r.left;
 	for (int ctr = c; ctr > 1; ctr--) {
 		x += amt1;
 	for (int ctr = num_columns; ctr > 1; ctr--) {
 		x += column_width;
 		GfxFillRect(x, r.top + 1, x, r.bottom - 1, col);
+	}
 	x = r.top;
 	for (int ctr = d; ctr > 1; ctr--) {
 		x += amt2;
 	for (int ctr = num_rows; ctr > 1; ctr--) {
 		x += row_height;
 		GfxFillRect(r.left + 1, x, r.right - 1, x, col);
+	}
 	col = _colour_gradient[colour & 0xF][4];
 	x = r.left - 1;
 	for (int ctr = c; ctr > 1; ctr--) {
 		x += amt1;
 	for (int ctr = num_columns; ctr > 1; ctr--) {
 		x += column_width;
 		GfxFillRect(x, r.top + 1, x, r.bottom - 1, col);
+	}
 	x = r.top - 1;
 	for (int ctr = d; ctr > 1; ctr--) {
 		x += amt2;
 	for (int ctr = num_rows; ctr > 1; ctr--) {
 		x += row_height;
 		GfxFillRect(r.left + 1, x, r.right - 1, x, col);
+	}
+}

src/widget_type.h

➞

Show inline comments

@@ @@ -81,7 +81,7 @@ enum WidgetType { @@
 	WWT_TEXTBTN_2,  ///< Button with diff text when clicked
 	WWT_LABEL,      ///< Centered label
 	WWT_TEXT,       ///< Pure simple text
-	WWT_MATRIX,     ///< List of items underneath each other
+	WWT_MATRIX,     ///< Grid of rows and columns. Lower 8 bit of the widget data are the number of columns, upper 8 bit are the number of rows.
 	WWT_SCROLLBAR,  ///< Vertical scrollbar
 	WWT_FRAME,      ///< Frame
 	WWT_CAPTION,    ///< Window caption (window title between closebox and stickybox)

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