Usermode/AxWin3 - Implementing widget support in userland

[tpg/acess2.git] / Usermode / include / axwin3 / widget.h

diff --git a/Usermode/include/axwin3/widget.h b/Usermode/include/axwin3/widget.h
index 5542e3a..4fef39c 100644 (file)
--- a/Usermode/include/axwin3/widget.h
+++ b/Usermode/include/axwin3/widget.h
@@ -10,7 +10,107 @@
 
 #include "axwin.h"
 
+typedef struct sAxWin3_Widget  tAxWin3_Widget;
+
+typedef int    (*tAxWin3_Widget_Callback)(tAxWin3_Widget Widget, int EventType, unsigned long EventArg);
+
 extern tHWND   AxWin3_Widget_CreateWindow(tHWND Parent, int W, int H, int RootEleFlags);
+extern void    AxWin3_Widget_DestroyWindow(tHWND Window);
+extern tAxWin3_Widget  *AxWin3_WidgeT_GetRoot(tHWND Window);
+
+extern tAxWin3_Widget  *AxWin3_Widget_AddWidget(tAxWin3_Widget *Parent, int Type, int Flags, const char *DebugName);
+extern void    AxWin3_Widget_DelWidget(tAxWin3_Widget *Widget);
+
+extern void    AxWin3_Widget_SetSize(tAxWin3_Widget *Widget, int Size);
+extern void    AxWin3_Widget_SetText(tAxWin3_Widget *Widget, const char *Text);
+extern void    AxWin3_Widget_SetColour(tAxWin3_Widget *Widget, int Index, tAxWin3_Colour Colour);
+
+enum eElementTypes
+{
+       ELETYPE_NONE,
+
+       ELETYPE_WINDOW, //!< Window root element
+       
+       ELETYPE_BOX,    //!< Content box (invisible in itself)
+       ELETYPE_TABBAR, //!< Tab Bar
+       ELETYPE_TOOLBAR,        //!< Tool Bar
+       
+       ELETYPE_BUTTON, //!< Push Button
+       
+       ELETYPE_TEXT,   //!< Text
+       ELETYPE_IMAGE,  //!< Image
+       
+       ELETYPE_SPACER, //!< Visual Spacer (horizontal / vertical rule)
+       
+       MAX_ELETYPES    = 0x100
+};
+
+enum eElementFlags
+{
+       /**
+        * \brief Rendered
+        * 
+        * If set, the element will be ignored in calculating sizes and
+        * rendering.
+        */
+       ELEFLAG_NORENDER    = 0x001,
+       /**
+        * \brief Element visibility
+        * 
+        * If set, the element is not drawn (but still is used for size calculations)
+        */
+       ELEFLAG_INVISIBLE   = 0x002,
+       
+       /**
+        * \brief Position an element absulutely (ignored in size calcs)
+        */
+       ELEFLAG_ABSOLUTEPOS = 0x004,
+       
+       /**
+        * \brief Fixed size element
+        */
+       ELEFLAG_FIXEDSIZE   = 0x008,
+       
+       /**
+        * \brief Element "orientation"
+        * 
+        * Vertical means that the children of this element are stacked,
+        * otherwise they list horizontally
+        */
+       ELEFLAG_VERTICAL    = 0x010,//  ELEFLAG_HORIZONTAL  = 0x000,
+       /**
+        * \brief Action for text that overflows
+        */
+       ELEFLAG_WRAP        = 0x020,//  ELEFLAG_NOWRAP      = 0x000,
+       /**
+        * \brief Cross size action
+        * 
+        * If this flag is set, the element will only be as large (across
+        * its parent) as is needed to encase the contents of the element.
+        * Otherwise, the element will expand to fill all avaliable space.
+        */
+       ELEFLAG_NOEXPAND    = 0x040,
+       
+       /**
+        * \brief With (length) size action
+        * If this flag is set, the element will only be as large as
+        * is required along it's parent
+        */
+       ELEFLAG_NOSTRETCH   = 0x080,
+       
+       /**
+        * \brief Center alignment
+        */
+       ELEFLAG_ALIGN_CENTER= 0x100,
+       /**
+        * \brief Right/Bottom alignment
+        * 
+        * If set, the element aligns to the end of avaliable space (instead
+        * of the beginning)
+        */
+       ELEFLAG_ALIGN_END       = 0x200
+};
+
 
 #endif