X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fgraphics%2FMenu.h;h=172c3184d4e57d7912083a4f3b4f78eb3a9caacc;hb=859750479ac0c8febfaf4eb603fc599aef4571ca;hp=0a4a69885d7ff6dd81b2b1ceb63bbe8c1b8ff777;hpb=8c055cbdddac2114c130e6a6524ff887d89ccf53;p=l2e.git

diff --git a/src/graphics/Menu.h b/src/graphics/Menu.h
index 0a4a698..172c318 100644
--- a/src/graphics/Menu.h
+++ b/src/graphics/Menu.h
@@ -9,6 +9,7 @@
 #define GRAPHICS_MENU_H_
 
 #include "Font.h"
+#include "Sprite.h"
 #include "../geometry/operators.h"
 #include "../geometry/Point.h"
 #include "../geometry/Vector.h"
@@ -20,29 +21,40 @@ namespace graphics {
 
 class Sprite;
 
+// TODO: animation when top row changes
 template<class T>
 class Menu {
 
 public:
-	Menu(const Font *font, int charsPerEntry, int rows, int rowGap = 0, int cols = 1, int colGap = 0);
+	Menu();
+	Menu(const Font *font, const Font *disabledFont, const Sprite *cursor, int charsPerEntry, int rows, int rowGap = 0, int iconSpace = 0, int cols = 1, int colGap = 0);
 
 public:
 	int Width() const;
 	int Height() const;
-	int ColWidth() const { return font->CharWidth() * charsPerEntry; }
+	int ColWidth() const { return iconSpace + font->CharWidth() * charsPerEntry; }
 	int RowHeight() const { return font->CharHeight() + rowGap; }
 
 	T &Selected() { return entries[selected].value; }
 	const T &Selected() const { return entries[selected].value; }
 	const char *SelectedTitle() const { return entries[selected].title; }
+	bool SelectedIsEnabled() const { return entries[selected].enabled; }
 
 	void NextItem();
 	void PreviousItem();
 	void NextRow();
 	void PreviousRow();
 	void SelectIndex(int index);
+	int SelectedIndex() const { return selected; }
+	bool IsSelected(int index) const { return index == selected; }
 
-	void Add(const char *title, const T &value, const Sprite *icon = 0) { entries.push_back(Entry(title, value, icon)); }
+	int EntryCount() const { return entries.size(); }
+	T &ValueAt(int index) { return entries[index].value; }
+	const T &ValueAt(int index) const { return entries[index].value; }
+
+	void Add(const char *title, const T &value, bool enabled = true, const Sprite *icon = 0) { entries.push_back(Entry(title, value, enabled, icon)); }
+	void Disable(int index) { entries[index].enabled = false; }
+	void Enable(int index) { entries[index].enabled = true; }
 	void Reserve(int n) { entries.reserve(n); }
 
 	void Draw(SDL_Surface *dest, geometry::Point<int> position) const;
@@ -53,17 +65,21 @@ private:
 
 private:
 	struct Entry {
-		Entry(const char *title, const T &value, const Sprite *icon = 0)
-		: title(title), icon(icon), value(value) { }
+		Entry(const char *title, const T &value, bool enabled = true, const Sprite *icon = 0)
+		: title(title), icon(icon), value(value), enabled(enabled) { }
 		const char *title;
 		const Sprite *icon;
 		T value;
+		bool enabled;
 	};
 	const Font *font;
+	const Font *disabledFont;
+	const Sprite *cursor;
 	std::vector<Entry> entries;
 	int charsPerEntry;
 	int rows;
 	int rowGap;
+	int iconSpace;
 	int cols;
 	int colGap;
 	int selected;
@@ -73,11 +89,30 @@ private:
 
 
 template<class T>
-Menu<T>::Menu(const Font *font, int charsPerEntry, int rows, int rowGap, int cols, int colGap)
+Menu<T>::Menu()
+: font(0)
+, disabledFont(0)
+, cursor(0)
+, charsPerEntry(0)
+, rows(0)
+, rowGap(0)
+, iconSpace(0)
+, cols(0)
+, colGap(0)
+, selected(0)
+, topRow(0) {
+
+}
+
+template<class T>
+Menu<T>::Menu(const Font *font, const Font *disabledFont, const Sprite *cursor, int charsPerEntry, int rows, int rowGap, int iconSpace, int cols, int colGap)
 : font(font)
+, disabledFont(disabledFont ? disabledFont : font)
+, cursor(cursor)
 , charsPerEntry(charsPerEntry)
 , rows(rows)
 , rowGap(rowGap)
+, iconSpace(iconSpace)
 , cols(cols)
 , colGap(colGap)
 , selected(0)
@@ -119,10 +154,10 @@ void Menu<T>::PreviousRow() {
 
 template<class T>
 void Menu<T>::SelectIndex(int index) {
-	if (index < 0 || entries.size() < index) return;
+	if (index < 0 || int(entries.size()) <= index) return;
 	selected = index;
-	if (GetRow(selected) - rows > topRow) {
-		topRow = GetRow(selected) - rows;
+	if (topRow <= GetRow(selected) - rows) {
+		topRow = GetRow(selected) - rows + 1;
 	} else if (GetRow(selected) < topRow) {
 		topRow = GetRow(selected);
 	}
@@ -132,13 +167,27 @@ void Menu<T>::SelectIndex(int index) {
 template<class T>
 void Menu<T>::Draw(SDL_Surface *dest, geometry::Point<int> position) const {
 	int start(topRow * cols);
-	int slots((topRow + rows) * cols);
+	int slots(rows * cols);
 	int items(entries.size() - start);
-	int end(items < slots ? items : slots);
+	int end(start + (items < slots ? items : slots));
 	for (int i(0), count(end - start); i < count; ++i) {
-		geometry::Vector<int> offset((i % cols) * (ColWidth() + colGap), (i / cols) * RowHeight());
-		font->DrawString(entries[start + i].title, dest, position + offset, charsPerEntry);
+		geometry::Vector<int> iconOffset(
+				(i % cols) * (ColWidth() + colGap),
+				(i / cols) * RowHeight());
+		if (entries[start + i].icon) {
+			entries[start + i].icon->Draw(dest, position + iconOffset);
+		}
+		geometry::Vector<int> labelOffset(iconOffset.X() +  + iconSpace, iconOffset.Y());
+		if (entries[start + i].enabled) {
+			font->DrawString(entries[start + i].title, dest, position + labelOffset, charsPerEntry);
+		} else {
+			disabledFont->DrawString(entries[start + i].title, dest, position + labelOffset, charsPerEntry);
+		}
 	}
+	geometry::Vector<int> cursorOffset(
+			(selected % cols) * (ColWidth() + colGap) - cursor->Width(),
+			((selected - start) / cols) * RowHeight());
+	cursor->Draw(dest, position + cursorOffset);
 }
 
 }