#ifndef UI_H
#define UI_H
-// these defines and structures are for internal use only
-// (ui_t is passed around by users of the system, but should not be altered)
-#define MAX_UI_COUNT 16
-#define MAX_UI_ITEMS 256
+// AK: new passive ui (like the menu stuff)
+/* some ideas:
+1. two different structs (one for the ui core code and one for the rest)
+2. each item has a size field
+*/
-typedef struct
+#define UI_EVENT_QUEUE_SIZE 32
+
+typedef enum ui_control_type_e { UI_BUTTON, UI_LABEL } ui_control_type;
+
+typedef struct ui_message_s ui_message_t;
+typedef struct ui_item_s *ui_item_t;
+typedef struct ui_itemlist_s *ui_itemlist_t;
+typedef struct ui_message_queue_s ui_message_queue_t;
+
+struct ui_item_s
{
- char name[32];
- int flags;
- qpic_t *draw_pic;
- int draw_x, draw_y;
- int click_x, click_y, click_x2, click_y2;
- void(*leftkey)(void *nativedata1, void *nativedata2, float data1, float data2);
- void(*rightkey)(void *nativedata1, void *nativedata2, float data1, float data2);
- void(*enterkey)(void *nativedata1, void *nativedata2, float data1, float data2);
- void(*mouseclick)(void *nativedata1, void *nativedata2, float data1, float data2, float xfrac, float yfrac);
- void *nativedata1, *nativedata2;
- float data1, data2;
-}
-ui_item_t;
-
-typedef struct
+ unsigned int size;
+
+ ui_control_type type;
+
+ const char *name; // used for debugging purposes and to identify an object
+
+//private:
+ // used to build the item list
+ struct ui_item_s *prev, *next; // items are allowed to be freed everywhere
+
+ // called for system events (true means message processed)
+ int (*eventhandler)(ui_itemlist_t list, ui_item_t self, ui_message_t *in, ui_message_queue_t *out);
+
+ // z-order (the higher, the later it is drawn)
+ unsigned int zorder;
+
+ // called to draw the object
+ void (*draw)(ui_itemlist_t list, struct ui_item_s * self);
+
+};
+
+struct ui_message_s;
+
+struct ui_itemlist_s
{
- int item_count;
- int pad;
- ui_item_t items[MAX_UI_ITEMS];
-}
-ui_t;
-
-// engine use:
-// initializes the ui system
-void ui_init(void);
-// updates the mouse position, given an absolute loation (some input systems use this)
-void ui_mouseupdate(float x, float y);
-// updates the mouse position, by an offset from the previous location (some input systems use this)
-void ui_mouseupdaterelative(float x, float y);
-// left key update
-void ui_leftkeyupdate(int pressed);
-// right key update
-void ui_rightkeyupdate(int pressed);
-// up key update
-void ui_upkeyupdate(int pressed);
-// down key update
-void ui_downkeyupdate(int pressed);
-// mouse button update (note: 0 = left, 1 = right, 2 = middle, 3+ not supported yet)
-void ui_mousebuttonupdate(int button, int pressed);
-// perform input updates and check for clicks on items (note: calls callbacks)
-void ui_update(void);
-// draw all items of all panels
-void ui_draw(void);
-
-// intentionally public functions:
-// creates a panel
-ui_t *ui_create(void);
-// frees a panel
-void ui_free(ui_t *ui);
-// empties a panel, removing all the items
-void ui_clear(ui_t *ui);
-// sets an item in a panel (adds or replaces the item)
-void ui_item
-(
- ui_t *ui, char *basename, int number,
- float x, float y, qpic_t *pic,
- float left, float top, float width, float height,
- void(*leftkey)(void *nativedata1, void *nativedata2, float data1, float data2),
- void(*rightkey)(void *nativedata1, void *nativedata2, float data1, float data2),
- void(*enterkey)(void *nativedata1, void *nativedata2, float data1, float data2),
- void(*mouseclick)(void *nativedata1, void *nativedata2, float data1, float data2, float xfrac, float yfrac),
- void *nativedata1, void *nativedata2, float data1, float data2
-);
-// removes an item from a panel
-void ui_item_remove(ui_t *ui, char *basename, int number);
-// checks if a panel is enabled
-int ui_uiactive(ui_t *ui);
-// enables/disables a panel on the screen
-void ui_activate(ui_t *ui, int yes);
+ float org_x, org_y;
+
+ ui_item_t selected;
+
+ void (*eventhandler)(struct ui_itemlist_s * list, struct ui_message_s *msg);
+
+// private:
+ ui_item_t list;
+};
+
+// this is structure contains *all* possible messages
+enum ui_message_type_e { UI_EVENT_FRAME, UI_EVENT_KEY, UI_EVENT_MOUSE, UI_BUTTON_PRESSED };
+
+struct ui_ev_key_s
+{
+ int key, ascii;
+};
+
+// in_mouse_x and in_mouse_y can be also used...
+struct ui_ev_mouse_s
+{
+ float x, y;
+};
+
+union ui_message_data_u
+{
+ unsigned char reserved;
+ struct ui_ev_key_s key;
+ struct ui_ev_mouse_s mouse;
+};
+
+struct ui_message_s
+{
+ // empty for input messages, but contains a valid item for all other events
+ ui_item_t target;
+
+ // used to determine which data struct was used
+ enum ui_message_type_e type;
+
+ union ui_message_data_u data;
+};
+
+struct ui_message_queue_s
+{
+ unsigned int used;
+ ui_message_t queue[UI_EVENT_QUEUE_SIZE];
+};
+
+void UI_Init(void);
+
+#define UI_MOUSEEVENT 1
+#define UI_KEYEVENT 2
+#define UI_FRAME 4
+void UI_Draw(ui_itemlist_t list);
+
+void UI_Mouse(ui_itemlist_t list, float x, float y);
+void UI_Key(ui_itemlist_t list, int key, int ascii);
+
+// item stuff
+#define UI_ITEM(item) ((ui_item_t*)item)
+
+ui_item_t UI_CloneItem(ui_item_t);
+
+ui_item_t UI_FindItemByName(ui_itemlist_t, const char *);
+
+void UI_FreeItem(ui_itemlist_t, ui_item_t);
+void UI_FreeItemByName(ui_itemlist_t, const char *);
+
+// itemlist stuff
+ui_itemlist_t UI_CreateItemList();
+ui_itemlist_t UI_CloneItemList(ui_itemlist_t);
+void UI_FreeItemList(ui_itemlist_t);
+
+void UI_AddItem(ui_itemlist_t list, ui_item_t item);
+
+// controls
+#define UI_TEXT_DEFAULT_LENGTH 255
+
+typedef struct ui_button_s *ui_button_t;
+typedef struct ui_label_s *ui_label_t;
+typedef struct ui_text_s *ui_text_t;
+
+struct ui_label_s
+{
+ struct ui_item_s item;
+
+ const char *text;
+ float x, y;
+ float r, g, b, a, f;
+};
+
+struct ui_button
+{
+ struct ui_item_s item;
+
+ const char *caption;
+};
+
+ui_item_t UI_CreateButton(void);
+ui_item_t UI_CreateLabel(void);
+ui_item_t UI_CreateText(void);
+
+// AK: new callback system
+#define UI_MAX_CALLBACK_COUNT 10
+
+#define UI_SLOTUSED 1
+typedef struct ui_callback_s
+{
+ unsigned int flag;
+ void (*keydown) (int num, char ascii);
+ void (*draw) (void);
+} ui_callback_t;
+
+// functions which should be used
+void UI_Callback_Init(void);
+void UI_Callback_Reset(void);
+
+void UI_Callback_SetupSlot(int slotnr, void(*keydownf)(int num, char ascii), void(*drawf)(void));
+void UI_Callback_ResetSlot(int slotnr);
+int UI_Callback_GetFreeSlot(void);
+int UI_Callback_IsSlotUsed(int slotnr);
+
+void UI_Callback_Draw(void);
+void UI_Callback_KeyDown(int num, char ascii);
#endif
+
projects / xonotic / darkplaces.git / blobdiff