#include "Font.h"
#include "Sprite.h"
-#include "../geometry/operators.h"
-#include "../geometry/Point.h"
#include "../geometry/Vector.h"
#include <vector>
class Sprite;
-// TODO: alternate font for disabled entries
-// TODO: sprite for the cursor
-// TODO: animation when top row changes
+struct MenuProperties {
+ const Font *font;
+ const Font *disabledFont;
+ const Sprite *cursor;
+ int charsPerEntry;
+ int rows;
+ int rowGap;
+ int iconSpace;
+ int cols;
+ int colGap;
+ int charsPerNumber;
+ int charsPerAdditionalText;
+ int additionalTextGap;
+ char delimiter;
+
+ MenuProperties()
+ : font(0), disabledFont(0), cursor(0)
+ , charsPerEntry(0), rows(0), rowGap(0)
+ , iconSpace(0), cols(0), colGap(0)
+ , charsPerNumber(0), charsPerAdditionalText(0)
+ , additionalTextGap(0), delimiter(':') { }
+
+ MenuProperties(const Font *font, const Font *disabledFont, const Sprite *cursor, int charsPerEntry, int rows, int rowGap, int iconSpace, int cols, int colGap, int charsPerNumber, char delimiter, int charsPerAdditionalText, int additionalTextGap)
+ : font(font), disabledFont(disabledFont), cursor(cursor), charsPerEntry(charsPerEntry), rows(rows), rowGap(rowGap), iconSpace(iconSpace), cols(cols), colGap(colGap), charsPerNumber(charsPerNumber), charsPerAdditionalText(charsPerAdditionalText), additionalTextGap(additionalTextGap), delimiter(delimiter) { }
+};
+
template<class T>
-class Menu {
+class Menu
+: private MenuProperties {
public:
Menu();
- Menu(const Font *font, const Font *disabledFont, const Sprite *cursor, int charsPerEntry, int rows, int rowGap = 0, int cols = 1, int colGap = 0);
+ Menu(const MenuProperties &);
+ 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, int charsPerNumber = 0, char delimiter = ':', int charsPerAdditionalText = 0, int additionalTextGap = 0);
public:
int Width() const;
int Height() const;
- int ColWidth() const { return font->CharWidth() * charsPerEntry; }
+ int ColWidth() const;
int RowHeight() const { return font->CharHeight() + rowGap; }
+ int CharsPerEntry() const { return charsPerEntry; }
T &Selected() { return entries[selected].value; }
const T &Selected() const { return entries[selected].value; }
const char *SelectedTitle() const { return entries[selected].title; }
+ int SelectedNumber() const { return entries[selected].number; }
bool SelectedIsEnabled() const { return entries[selected].enabled; }
void NextItem();
void NextRow();
void PreviousRow();
void SelectIndex(int index);
+ int SelectedIndex() const { return selected; }
+ bool IsSelected(int index) const { return index == selected; }
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 Add(const char *title, const T &value, bool enabled = true, const Sprite *icon = 0, int number = 0, const char *additionalText = 0) { entries.push_back(Entry(title, value, enabled, icon, number, additionalText)); }
+ void AddEmptyEntry() { entries.push_back(Entry(0, T(), false)); }
void Disable(int index) { entries[index].enabled = false; }
void Enable(int index) { entries[index].enabled = true; }
void Reserve(int n) { entries.reserve(n); }
+ void Clear() { entries.clear(); }
- void Draw(SDL_Surface *dest, geometry::Point<int> position) const;
+ void Draw(SDL_Surface *dest, const geometry::Vector<int> &position) const;
private:
int GetRow(int index) const { return index / cols; }
private:
struct Entry {
- Entry(const char *title, const T &value, bool enabled = true, const Sprite *icon = 0)
- : title(title), icon(icon), value(value), enabled(enabled) { }
+ Entry(const char *title, const T &value, bool enabled = true, const Sprite *icon = 0, int number = 0, const char *additionalText = 0)
+ : title(title), additionalText(additionalText), icon(icon), number(number), value(value), enabled(enabled) { }
const char *title;
+ const char *additionalText;
const Sprite *icon;
+ int number;
T value;
bool enabled;
};
- const Font *font;
- const Font *disabledFont;
- const Sprite *cursor;
std::vector<Entry> entries;
- int charsPerEntry;
- int rows;
- int rowGap;
- int cols;
- int colGap;
int selected;
int topRow;
template<class T>
Menu<T>::Menu()
-: font(0)
-, disabledFont(0)
-, cursor(0)
-, charsPerEntry(0)
-, rows(0)
-, rowGap(0)
-, cols(0)
-, colGap(0)
+: MenuProperties()
+, selected(0)
+, topRow(0) {
+
+}
+
+template<class T>
+Menu<T>::Menu(const MenuProperties &p)
+: MenuProperties(p)
, 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 cols, int colGap)
-: font(font)
-, disabledFont(disabledFont ? disabledFont : font)
-, cursor(cursor)
-, charsPerEntry(charsPerEntry)
-, rows(rows)
-, rowGap(rowGap)
-, cols(cols)
-, colGap(colGap)
+Menu<T>::Menu(const Font *font, const Font *disabledFont, const Sprite *cursor, int charsPerEntry, int rows, int rowGap, int iconSpace, int cols, int colGap, int charsPerNumber, char delimiter, int charsPerAdditionalText, int additionalTextGap)
+: MenuProperties(
+ font, disabledFont ? disabledFont : font,
+ cursor, charsPerEntry,
+ rows, rowGap, iconSpace,
+ cols, colGap, charsPerNumber,
+ delimiter,
+ charsPerAdditionalText,
+ additionalTextGap)
, selected(0)
, topRow(0) {
}
+template<class T>
+int Menu<T>::ColWidth() const {
+ int width(iconSpace);
+ width += font->CharWidth() * (charsPerEntry + charsPerNumber);
+ if (charsPerNumber) {
+ width += font->CharWidth();
+ }
+ if (charsPerAdditionalText) {
+ width += additionalTextGap + charsPerAdditionalText * font->CharWidth();
+ }
+ return width;
+}
+
template<class T>
int Menu<T>::Width() const {
return cols * ColWidth() + (cols - 1) * colGap;
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);
}
template<class T>
-void Menu<T>::Draw(SDL_Surface *dest, geometry::Point<int> position) const {
+void Menu<T>::Draw(SDL_Surface *dest, const geometry::Vector<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(
+ if (!entries[start + i].title) continue;
+ geometry::Vector<int> iconOffset(
(i % cols) * (ColWidth() + colGap),
(i / cols) * RowHeight());
- if (entries[start + i].enabled) {
- font->DrawString(entries[start + i].title, dest, position + offset, charsPerEntry);
- } else {
- disabledFont->DrawString(entries[start + i].title, dest, position + offset, charsPerEntry);
+ if (entries[start + i].icon) {
+ entries[start + i].icon->Draw(dest, position + iconOffset);
+ }
+ geometry::Vector<int> textOffset(iconOffset.X() + iconSpace, iconOffset.Y());
+ const Font *usedFont(entries[start + i].enabled ? font : disabledFont);
+ usedFont->DrawString(entries[start + i].title, dest, position + textOffset, charsPerEntry);
+
+ textOffset += geometry::Vector<int>(charsPerEntry * usedFont->CharWidth(), 0);
+
+ if (charsPerAdditionalText) {
+ textOffset += geometry::Vector<int>(additionalTextGap, 0);
+ if (entries[start + i].additionalText) {
+ usedFont->DrawString(entries[start + i].additionalText, dest, position + textOffset, charsPerAdditionalText);
+ }
+ textOffset += geometry::Vector<int>(charsPerAdditionalText * usedFont->CharWidth(), 0);
+ }
+
+ if (charsPerNumber) {
+ usedFont->DrawChar(delimiter, dest, position + textOffset);
+ textOffset += geometry::Vector<int>(usedFont->CharWidth(), 0);
+ usedFont->DrawNumber(entries[start + i].number, dest, position + textOffset);
}
}
geometry::Vector<int> cursorOffset(
(selected % cols) * (ColWidth() + colGap) - cursor->Width(),
- (selected / cols) * RowHeight());
+ ((selected - start) / cols) * RowHeight());
cursor->Draw(dest, position + cursorOffset);
}