#include "quakedef.h"
-/*cvar_t ui_showname = {0, "ui_showname", "0"};
+// here is the real ui drawing engine
-#define ITEM_CLICKABLE 1
-#define ITEM_DRAWABLE 2
-
-#define UIKEY_LEFT 1
-#define UIKEY_RIGHT 2
-#define UIKEY_UP 3
-#define UIKEY_DOWN 4
-#define UIKEY_ENTER 5
-
-#define UI_MOUSEBUTTONS 3
-
-static int ui_alive, ui_active;
-static float ui_mouse_x, ui_mouse_y;
-static int ui_mousebutton[UI_MOUSEBUTTONS], ui_mouseclick;
-static int ui_keyui, ui_keyitem;
-static ui_item_t *ui_keyrealitem;
-
-static ui_t *ui_list[MAX_UI_COUNT];
-
-static void ui_start(void)
-{
- ui_mouse_x = vid.conwidth * 0.5;
- ui_mouse_y = vid.conheight * 0.5;
- ui_alive = true;
-}
+#define FRAME_THICKNESS 2
+#define FRAME_COLOR1 0.2, 0.2, 0.5, 0, 0
+#define FRAME_COLOR2 0, 0, 0, 0.6, 0
+#define TEXT_FONTSIZE_X 10
+#define TEXT_FONTSIZE_Y 10
-static void ui_shutdown(void)
+static void UIG_DrawFrame(float x, float y, float w, float h)
{
- ui_alive = false;
-}
+ // bottom
+ DrawQ_Fill(x - FRAME_THICKNESS, y - FRAME_THICKNESS, w + 2 * FRAME_THICKNESS, FRAME_THICKNESS, FRAME_COLOR1);
+ // top
+ DrawQ_Fill(x - FRAME_THICKNESS, y + h, w + 2 * FRAME_THICKNESS, FRAME_THICKNESS, FRAME_COLOR1);
+ // left
+ DrawQ_Fill(x - FRAME_THICKNESS, y, FRAME_THICKNESS, h, FRAME_COLOR1);
+ // right
+ DrawQ_Fill(x + w, y, FRAME_THICKNESS, h, FRAME_COLOR1);
+ // area
+ DrawQ_Fill(x, y, w, h, FRAME_COLOR2);
+}
-static void ui_newmap(void)
+static void UIG_DrawText(const char *text, float x, float y, float w, float h, float r, float g, float b, float a, float f)
{
+ if(w != 0 && h != 0)
+ DrawQ_SetClipArea(x, y, w, h);
+ DrawQ_String(x, y, text, 0, TEXT_FONTSIZE_X, TEXT_FONTSIZE_Y, r, g, b, a, f);
+ if(w != 0 && h != 0)
+ DrawQ_ResetClipArea();
}
-static mempool_t *uimempool;
+#define UIG_DrawPicture DrawQ_Pic
+#define UIG_Fill DrawQ_Fill
-void ui_init(void)
+static void UIG_DrawCursor(float x, float y, float r, float g, float b, float a, float f)
{
- uimempool = Mem_AllocPool("UI");
-
- Cvar_RegisterVariable(&ui_showname);
-
- R_RegisterModule("UI", ui_start, ui_shutdown, ui_newmap);
+ DrawQ_Fill(x,y,1, TEXT_FONTSIZE_Y, r, g, b, a, f);
}
-void ui_mouseupdate(float x, float y)
-{
- if (ui_alive)
- {
- ui_mouse_x = bound(0, x, vid.conwidth);
- ui_mouse_y = bound(0, y, vid.conheight);
- }
-}
+static mempool_t *ui_mem;
-void ui_mouseupdaterelative(float x, float y)
-{
- if (ui_alive)
- {
- ui_mouse_x += x;
- ui_mouse_y += y;
- ui_mouse_x = bound(0, ui_mouse_x, vid.conwidth);
- ui_mouse_y = bound(0, ui_mouse_y, vid.conheight);
- }
-}
+//#define UI_MEM_SIZE (1 << 10) << 9 // 512 KByte
+#define UI_MEM_SIZE 1
-ui_t *ui_create(void)
+void UI_Init(void)
{
- ui_t *ui;
- ui = Mem_Alloc(uimempool, sizeof(*ui));
- if (ui == NULL)
- Sys_Error("ui_create: unable to allocate memory for new ui\n");
- memset(ui, 0, sizeof(*ui));
- return ui;
+ ui_mem = Mem_AllocPool("Intern UI Memory");
}
-void ui_free(ui_t *ui)
-{
- if (ui)
- Mem_Free(ui);
-}
+#define UI_Alloc(size) Mem_Alloc(ui_mem, size)
+#define UI_Free(ptr) Mem_Free(ptr)
-void ui_clear(ui_t *ui)
+void UI_Event(ui_itemlist_t list, ui_message_t *in)
{
- ui->item_count = 0;
-}
+ ui_message_queue_t out;
+ ui_item_t item;
+ int processed = true;
-void ui_item
-(
- ui_t *ui, char *basename, int number,
- float x, float y, char *picname, char *string,
- 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
-)
-{
- int i;
- ui_item_t *it;
- char itemname[32];
- snprintf(itemname, sizeof(itemname), "%s%04d", basename, number);
- for (it = ui->items, i = 0;i < ui->item_count;it++, i++)
- if (it->name == NULL || !strncmp(itemname, it->name, 32))
- break;
- if (i == ui->item_count)
- {
- if (i == MAX_UI_ITEMS)
+ if(list->list)
+ for(item = list->list; item != 0 && !processed; item = item->next)
{
- Con_Printf("ui_item: ran out of UI item slots\n");
- return;
- }
- ui->item_count++;
- }
- memset(it, 0, sizeof(ui_item_t));
- strlcpy (it->name, itemname, sizeof (it->name));
- it->flags = 0;
- if (picname || string)
- {
- it->flags |= ITEM_DRAWABLE;
- it->draw_picname = picname;
- it->draw_string = string;
- it->draw_x = x;
- it->draw_y = y;
- }
- if (leftkey || rightkey || enterkey || mouseclick)
- {
- it->flags |= ITEM_CLICKABLE;
- it->click_x = x + left;
- it->click_y = y + top;
- it->click_x2 = it->click_x + width;
- it->click_y2 = it->click_y + height;
- it->leftkey = leftkey;
- it->rightkey = rightkey;
- it->enterkey = enterkey;
- it->mouseclick = mouseclick;
- if (it->mouseclick == NULL)
- it->mouseclick = (void *)it->enterkey;
- if (it->leftkey == NULL)
- it->leftkey = it->enterkey;
- if (it->rightkey == NULL)
- it->rightkey = it->enterkey;
- it->nativedata1 = nativedata1;
- it->nativedata2 = nativedata2;
- }
-}
-
-void ui_item_remove(ui_t *ui, char *basename, int number)
-{
- int i;
- ui_item_t *it;
- char itemname[32];
- snprintf(itemname, sizeof(itemname), "%s%04d", basename, number);
- for (it = ui->items, i = 0;i < ui->item_count;it++, i++)
- if (it->name && !strncmp(itemname, it->name, 32))
- break;
- if (i < ui->item_count)
- it->name[0] = 0;
-}
+ unsigned int i;
+
+ processed = item->eventhandler(list, item, in, &out);
+
+ // process posted messages
+ for(i = 0; i < out.used; i++)
+ list->eventhandler(list, &out.queue[i]);
+
+ if(in->type == UI_EVENT_FRAME)
+ processed = false;
+ }
-ui_item_t *ui_hititem(float x, float y)
-{
- int i, j;
- ui_item_t *it;
- ui_t *ui;
- for (j = 0;j < MAX_UI_COUNT;j++)
- if ((ui = ui_list[j]))
- for (it = ui->items, i = 0;i < ui->item_count;it++, i++)
- if (it->name[0] && (it->flags & ITEM_CLICKABLE))
- if (x >= it->click_x && y >= it->click_y && x < it->click_x2 && y < it->click_y2)
- return it;
- return NULL;
+ if(!processed)
+ list->eventhandler(list, in);
}
-int ui_uiactive(ui_t *ui)
+void UI_Draw(ui_itemlist_t list)
{
- int i;
- for (i = 0;i < MAX_UI_COUNT;i++)
- if (ui_list[i] == ui)
- return true;
- return false;
-}
+ // firstly we create the frame event here
+ ui_message_t msg;
+ ui_item_t item;
-void ui_activate(ui_t *ui, int yes)
-{
- int i;
- if (yes)
- {
- if (ui_uiactive(ui))
- return;
+ msg.type = UI_EVENT_FRAME;
- for (i = 0;i < MAX_UI_COUNT;i++)
- {
- if (ui_list[i] == NULL)
- {
- ui_list[i] = ui;
- return;
- }
- }
+ UI_Event(list, &msg);
- Con_Printf("ui_activate: ran out of active ui list items\n");
- }
- else
+ // now draw everything
+ if(list->list)
{
- for (i = 0;i < MAX_UI_COUNT;i++)
+ unsigned int depth = 0, nextdepth = ~0;
+
+ while(depth != nextdepth)
{
- if (ui_list[i] == ui)
+ for(item = list->list; item != 0; item = item->next)
{
- ui_list[i] = NULL;
- return;
+ if(item->zorder == depth)
+ item->draw(list, item);
+ if(item->zorder > depth && item->zorder < nextdepth)
+ nextdepth = item->zorder;
}
+ depth = nextdepth;
+ nextdepth = ~0;
}
}
}
-int ui_isactive(void)
+void UI_Mouse(ui_itemlist_t list, float x, float y)
{
- int j;
- ui_t *ui;
- if (ui_alive)
- {
- for (j = 0;j < MAX_UI_COUNT;j++)
- if ((ui = ui_list[j]))
- if (ui->item_count)
- return true;
- }
- return false;
-}
+ ui_message_t msg;
-#define UI_QUEUE_SIZE 256
-static qbyte ui_keyqueue[UI_QUEUE_SIZE];
-static int ui_keyqueuepos = 0;
+ msg.type = UI_EVENT_MOUSE;
-void ui_leftkeyupdate(int pressed)
-{
- static int key = false;
- if (pressed && !key && ui_keyqueuepos < UI_QUEUE_SIZE)
- ui_keyqueue[ui_keyqueuepos++] = UIKEY_LEFT;
- key = pressed;
-}
+ msg.data.mouse.x = x;
+ msg.data.mouse.y = y;
-void ui_rightkeyupdate(int pressed)
-{
- static int key = false;
- if (pressed && !key && ui_keyqueuepos < UI_QUEUE_SIZE)
- ui_keyqueue[ui_keyqueuepos++] = UIKEY_RIGHT;
- key = pressed;
+ UI_Event(list, &msg);
}
-void ui_upkeyupdate(int pressed)
+void UI_Key(ui_itemlist_t list, int key, int ascii)
{
- static int key = false;
- if (pressed && !key && ui_keyqueuepos < UI_QUEUE_SIZE)
- ui_keyqueue[ui_keyqueuepos++] = UIKEY_UP;
- key = pressed;
-}
+ ui_message_t msg;
-void ui_downkeyupdate(int pressed)
-{
- static int key = false;
- if (pressed && !key && ui_keyqueuepos < UI_QUEUE_SIZE)
- ui_keyqueue[ui_keyqueuepos++] = UIKEY_DOWN;
- key = pressed;
+ msg.type = UI_EVENT_KEY;
+
+ msg.data.key.key = key;
+ msg.data.key.ascii = ascii;
+
+ UI_Event(list, &msg);
}
-void ui_mousebuttonupdate(int button, int pressed)
+
+// item stuff
+ui_item_t UI_CloneItem(ui_item_t item)
{
- if (button < 0 || button >= UI_MOUSEBUTTONS)
- return;
- if (button == 0 && ui_mousebutton[button] && !pressed)
- ui_mouseclick = true;
- ui_mousebutton[button] = pressed;
+ ui_item_t clone;
+ clone = UI_Alloc(item->size);
+ clone = memcpy(clone, item, item->size);
+
+ return clone;
}
-void ui_update(void)
+ui_item_t UI_FindItemByName(ui_itemlist_t list, const char *name)
{
- ui_item_t *startitem, *it;
- if (ui_alive)
- {
- ui_mouse_x = bound(0, ui_mouse_x, vid.conwidth);
- ui_mouse_y = bound(0, ui_mouse_y, vid.conheight);
-
- if ((ui_active = ui_isactive()))
- {
- // validate currently selected item
- if(ui_list[ui_keyui] == NULL)
- {
- while (ui_list[ui_keyui] == NULL)
- ui_keyui = (ui_keyui + 1) % MAX_UI_COUNT;
- ui_keyitem = 0;
- }
- ui_keyitem = bound(0, ui_keyitem, ui_list[ui_keyui]->item_count - 1);
- startitem = ui_keyrealitem = &ui_list[ui_keyui]->items[ui_keyitem];
- if ((ui_keyrealitem->flags & ITEM_CLICKABLE) == 0)
- {
- do
- {
- // FIXME: cycle through UIs as well as items in a UI
- ui_keyitem = (ui_keyitem - 1) % ui_list[ui_keyui]->item_count - 1;
- ui_keyrealitem = &ui_list[ui_keyui]->items[ui_keyitem];
- }
- while (ui_keyrealitem != startitem && (ui_keyrealitem->flags & ITEM_CLICKABLE) == 0);
- }
+ ui_item_t item, found = 0;
- if (ui_keyqueuepos)
+ if(list->list)
+ for(item = list->list; item != 0; item = item->next)
+ if(!strcmp(name, item->name))
{
- int i;
- for (i = 0;i < ui_keyqueuepos;i++)
- {
- startitem = ui_keyrealitem;
- switch(ui_keyqueue[i])
- {
- case UIKEY_UP:
- do
- {
- ui_keyitem--;
- if (ui_keyitem < 0)
- {
- do
- ui_keyui = (ui_keyui - 1) % MAX_UI_COUNT;
- while(ui_list[ui_keyui] == NULL);
- ui_keyitem = ui_list[ui_keyui]->item_count - 1;
- }
- ui_keyrealitem = &ui_list[ui_keyui]->items[ui_keyitem];
- }
- while (ui_keyrealitem != startitem && (ui_keyrealitem->flags & ITEM_CLICKABLE) == 0);
- break;
- case UIKEY_DOWN:
- do
- {
- ui_keyitem++;
- if (ui_keyitem >= ui_list[ui_keyui]->item_count)
- {
- do
- ui_keyui = (ui_keyui + 1) % MAX_UI_COUNT;
- while(ui_list[ui_keyui] == NULL);
- ui_keyitem = 0;
- }
- ui_keyrealitem = &ui_list[ui_keyui]->items[ui_keyitem];
- }
- while (ui_keyrealitem != startitem && (ui_keyrealitem->flags & ITEM_CLICKABLE) == 0);
- break;
- case UIKEY_LEFT:
- if (ui_keyrealitem->leftkey)
- ui_keyrealitem->leftkey(ui_keyrealitem->nativedata1, ui_keyrealitem->nativedata2, ui_keyrealitem->data1, ui_keyrealitem->data2);
- break;
- case UIKEY_RIGHT:
- if (ui_keyrealitem->rightkey)
- ui_keyrealitem->rightkey(ui_keyrealitem->nativedata1, ui_keyrealitem->nativedata2, ui_keyrealitem->data1, ui_keyrealitem->data2);
- break;
- case UIKEY_ENTER:
- if (ui_keyrealitem->enterkey)
- ui_keyrealitem->enterkey(ui_keyrealitem->nativedata1, ui_keyrealitem->nativedata2, ui_keyrealitem->data1, ui_keyrealitem->data2);
- break;
- }
- }
+ found = item;
+ break;
}
- ui_keyqueuepos = 0;
- if (ui_mouseclick && (it = ui_hititem(ui_mouse_x, ui_mouse_y)) && it->mouseclick)
- it->mouseclick(it->nativedata1, it->nativedata2, it->data1, it->data2, ui_mouse_x - it->click_x, ui_mouse_y - it->click_y);
- }
- }
- ui_mouseclick = false;
+ return found;
}
-void ui_draw(void)
+void UI_FreeItem(ui_itemlist_t list, ui_item_t item)
{
- int i, j;
- ui_item_t *it;
- ui_t *ui;
- if (ui_alive && ui_active)
+ if(!item->prev)
{
- for (j = 0;j < MAX_UI_COUNT;j++)
- if ((ui = ui_list[j]))
- if (ui->item_count)
- for (i = 0, it = ui->items;i < ui->item_count;i++, it++)
- if (it->flags & ITEM_DRAWABLE)
- {
- if (it->draw_picname)
- DrawQ_Pic(it->draw_x, it->draw_y, it->draw_picname, 0, 0, 1, 1, 1, 1, 0);
- if (it->draw_string)
- DrawQ_String(it->draw_x, it->draw_y, it->draw_string, 0, 8, 8, 1, 1, 1, 1, 0);
- }
-
- if ((it = ui_hititem(ui_mouse_x, ui_mouse_y)))
- {
- if (it->draw_picname)
- DrawQ_Pic(it->draw_x, it->draw_y, it->draw_picname, 0, 0, 1, 1, 1, 1, DRAWFLAG_ADDITIVE);
- if (it->draw_string)
- DrawQ_String(it->draw_x, it->draw_y, it->draw_string, 0, 8, 8, 1, 1, 1, 1, DRAWFLAG_ADDITIVE);
- if (ui_showname.integer)
- DrawQ_String(ui_mouse_x, ui_mouse_y + 16, it->name, 0, 8, 8, 1, 1, 1, 1, 0);
- }
-
- it = ui_keyrealitem;
- if (it->draw_picname)
- DrawQ_Pic(it->draw_x, it->draw_y, it->draw_picname, 0, 0, 1, 1, 1, 1, DRAWFLAG_ADDITIVE);
- if (it->draw_string)
- DrawQ_String(it->draw_x, it->draw_y, it->draw_string, 0, 8, 8, 1, 1, 1, 1, DRAWFLAG_ADDITIVE);
-
- DrawQ_Pic(ui_mouse_x, ui_mouse_y, "ui/mousepointer.tga", 0, 0, 1, 1, 1, 1, 0);
+ // this is the first item
+ list->list = item->next;
}
-}*/
-#define FRAME_THICKNESS 2
-#define FRAME_COLOR1 0.2, 0.2, 0.5, 0, 0
-#define FRAME_COLOR2 0, 0, 0, 0.6, 0
-#define TEXT_FONTSIZE 10, 10
-
-#if 0
-static void UIG_DrawFrame(float x, float y, float w, float h)
-{
- // bottom
- DrawQ_Fill(x - FRAME_THICKNESS, y - FRAME_THICKNESS, w + 2 * FRAME_THICKNESS, FRAME_THICKNESS, FRAME_COLOR1);
- // top
- DrawQ_Fill(x - FRAME_THICKNESS, y + h, w + 2 * FRAME_THICKNESS, FRAME_THICKNESS, FRAME_COLOR1);
- // left
- DrawQ_Fill(x - FRAME_THICKNESS, y, FRAME_THICKNESS, h, FRAME_COLOR1);
- // right
- DrawQ_Fill(x + w, y, FRAME_THICKNESS, h, FRAME_COLOR1);
- // area
- DrawQ_Fill(x, y, w, h, FRAME_COLOR2);
-}
+ item->prev->next = item->next;
+ item->next->prev = item->prev;
-static void UIG_DrawText(const char *text, float x, float y, float w, float h, float r, float g, float b, float a, float f)
-{
- if(w != 0 && h != 0)
- DrawQ_SetClipArea(x, y, w, h);
- DrawQ_String(x, y, text, 0, TEXT_FONTSIZE, r, g, b, a , f);
- if(w != 0 && h != 0)
- DrawQ_ResetClipArea();
+ UI_Free(item);
}
-#endif
-void UI_Init(void)
+void UI_FreeItemByName(ui_itemlist_t list, const char *name)
{
-}
+ ui_item_t item;
-void UI_Key(ui_itemlist_t list, int key, int ascii)
-{
+ item = UI_FindItemByName(list, name);
+ if(item)
+ UI_Free(item);
}
-void UI_Draw(ui_itemlist_t list)
-{
-}
-void UI_SetFocus(ui_itemlist_t list, ui_item_t item)
+// itemlist stuff
+ui_itemlist_t UI_CreateItemList(void)
{
+ return UI_Alloc(sizeof(ui_itemlist_t));
}
-void UI_SetNeighbors(ui_item_t left, ui_item_t right, ui_item_t up, ui_item_t down)
+ui_itemlist_t UI_CloneItemList(ui_itemlist_t list)
{
-}
+ ui_itemlist_t clone;
+ ui_item_t item;
-// item stuff
-ui_item_t UI_CreateButton(const char *caption, float x, float y, void(*action)(ui_item_t))
-{
- return NULL;
-}
+ clone = UI_CreateItemList();
-ui_item_t UI_CreateLabel(const char *caption, float x, float y)
-{
- return NULL;
-}
+ if(list->list)
+ for(item = list->list; item != 0; item = item->next)
+ UI_AddItem(clone, UI_CloneItem(item));
-ui_item_t UI_CreateText(const char *caption, float x, float y, const char *allowed, int maxlen, int scrolllen)
-{
- return NULL;
+ return clone;
}
-void UI_FreeItem(ui_item_t item)
-{
-}
-const char* UI_GetCaption(ui_item_t item)
+void UI_FreeItemList(ui_itemlist_t list)
{
- return NULL;
+ UI_Free((void*)list);
}
-void UI_SetCaption(ui_item_t item, const char * caption)
+void UI_AddItem(ui_itemlist_t list, ui_item_t item)
{
+ item->prev = 0;
+ item->next = list->list;
+ list->list->prev = item;
+ list->list = item;
}
-// itemlist stuff
-ui_itemlist_t UI_CreateItemList(float x, float y)
+// controls
+ui_item_t UI_CreateButton(void)
{
return NULL;
}
-void UI_FreeItemList(ui_itemlist_t list)
+ui_item_t UI_CreateLabel(void)
{
+ return NULL;
}
-void UI_AddItem(ui_itemlist_t list, ui_item_t item)
+ui_item_t UI_CreateText(void)
{
+ return NULL;
}
-
// AK: callback system stuff
static ui_callback_t ui_callback_list[UI_MAX_CALLBACK_COUNT];
#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
-typedef struct
+// 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
+*/
+
+#define UI_EVENT_QUEUE_SIZE 32
+
+typedef enum { 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;
- char *draw_picname;
- char *draw_string;
- 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, char *picname, char *string,
- 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;
-// AK: new passive ui (like the menu stuff)
-#define UI_TEXT_DEFAULT_LENGTH 255
-typedef void * ui_item_t;
-typedef void * ui_itemlist_t;
+ 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);
-void UI_Key(ui_itemlist_t, int key, int ascii);
-void UI_Draw(ui_itemlist_t);
+#define UI_MOUSEEVENT 1
+#define UI_KEYEVENT 2
+#define UI_FRAME 4
+void UI_Draw(ui_itemlist_t list);
-void UI_SetFocus(ui_itemlist_t, ui_item_t);
-void UI_SetNeighbors(ui_item_t left, ui_item_t right, ui_item_t up, ui_item_t down);
+void UI_Mouse(ui_itemlist_t list, float x, float y);
+void UI_Key(ui_itemlist_t list, int key, int ascii);
// item stuff
-ui_item_t UI_CreateButton(const char *caption, float x, float y, void(*action)(ui_item_t));
-ui_item_t UI_CreateLabel(const char *caption, float x, float y);
-ui_item_t UI_CreateText(const char *caption, float x, float y, const char *allowed, int maxlen, int scrolllen);
-void UI_FreeItem(ui_item_t);
+#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 *);
-const char* UI_GetCaption(ui_item_t);
-void UI_SetCaption(ui_item_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(float x, float y);
+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, ui_item_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_t
+{
+ 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