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Some drawing stuff (unfinished)

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This commit is contained in:
simon.kagstrom 2009-11-20 17:09:06 +00:00
parent b5078d84e0
commit 73ad55c774
2 changed files with 85 additions and 12 deletions
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79
menu.cpp
View File

@ -202,9 +202,69 @@ static void menu_draw(SDL_Surface *screen, menu_t *p_menu, int sel)
}
void Menu::draw(SDL_Surface *where, int x, int y)
void Menu::draw(SDL_Surface *where, int x, int y, int w, int h)
{
int font_height = TTF_FontHeight(this->p_font);
int line_height = (font_height + font_height / 4);
int x_start = x;
int y_start = y + line_height;
SDL_Rect r;
int entries_visible = h / line_height - 2;
if (this->cur_sel - this->start_entry_visible > entries_visible)
{
while (this->cur_sel - this->start_entry_visible > entries_visible)
{
this->start_entry_visible++;
if (this->start_entry_visible > this->n_entries)
{
this->start_entry_visible = 0;
break;
}
}
}
else if ( this->cur_sel < this->start_entry_visible )
this->start_entry_visible = this->cur_sel;
for (i = this->start_entry_visible;
i <= this->start_entry_visible + entries_visible; i++)
{
const char *msg = this->pp_msgs[i];
if (i >= this->n_entries)
break;
y = (i - this->start_entry_visible) * line_height;
if (sel < 0)
this->printText(msg, this->text_color,
x_start, y_start + y, w);
else if (p_menu->cur_sel == i) /* Selected - color */
menu_print_font(screen, 0,255,0,
x_start, y_start + y, msg);
else if (IS_SUBMENU(msg))
{
if (p_menu->cur_sel == i-1)
menu_print_font(screen, 0x80,0xff,0x80,
x_start, y_start + y, msg);
else
menu_print_font(screen, 0x40,0x40,0x40,
x_start, y_start + y, msg);
}
else /* Otherwise white */
menu_print_font(screen, 0x40,0x40,0x40,
x_start, y_start + y, msg);
if (IS_SUBMENU(msg))
{
submenu_t *p_submenu = this->findSubmenu(i);
int n_pipe = 0;
int n;
for (n = 0; msg[n] != '\0'; n++)
{
}
}
}
}
@ -425,12 +485,11 @@ void Menu::setText(const char *messages)
this->selectOne(0);
}
Menu::Menu(TTF_Font *font, SDL_Color clr, int w, int h)
Menu::Menu(TTF_Font *font)
{
this->text_color = clr;
this->setSelectedColor((SDL_Color){0x0,0xff,0xff,0});
this->setTextColor((SDL_Color){0xff,0xff,0xff,0});
this->font = font;
this->w = w;
this->h = h;
this->pp_msgs = NULL;
this->n_entries = 0;
@ -445,6 +504,16 @@ Menu::Menu(TTF_Font *font, SDL_Color clr, int w, int h)
this->ev_head = this->ev_tail = 0;
}
void Menu::setSelectedColor(SDL_Color clr)
{
this->text_selected_color = clr;
}
void Menu::setTextColor(SDL_Color clr)
{
this->text_selected_color = clr;
}
Menu::~Menu()
{
free(this->pp_msgs);

16
menu.hh
View File

@ -42,7 +42,11 @@ typedef int event_t;
class Menu
{
public:
Menu(TTF_Font *font, SDL_Color clr, int w, int h);
Menu(TTF_Font *font);
void setTextColor(SDL_Color clr);
void setSelectedColor(SDL_Color clr);
void setText(const char **messages);
@ -51,11 +55,13 @@ public:
void runLogic();
void draw(SDL_Surface *where,
int x, int y);
int x, int y, int w, int h);
~Menu();
protected:
void printText(const char *msg, SDL_Color clr, int x, int y);
virtual void selectCallback(int which);
virtual void escapeCallback(int which);
@ -78,12 +84,10 @@ protected:
const char **pp_msgs;
TTF_Font *font;
SDL_Color text_color;
/* Width and height */
int w, h;
SDL_Color text_selected_color;
/* Relative to this menu */
int mouse_x, mouse_y;
int mouse_x, mouse_y;
int n_submenus;
submenu_t *p_submenus;