Usermode - Moved UTF-8 handling into a library

[tpg/acess2.git] / Usermode / Applications / axwin3_src / WM / include / wm.h

diff --git a/Usermode/Applications/axwin3_src/WM/include/wm.h b/Usermode/Applications/axwin3_src/WM/include/wm.h
index ad67f23..e060e24 100644 (file)
--- a/Usermode/Applications/axwin3_src/WM/include/wm.h
+++ b/Usermode/Applications/axwin3_src/WM/include/wm.h
@@ -24,6 +24,8 @@
 #define WINFLAG_NODECORATE     0x00000002
 //! Window takes up all of screen
 #define WINFLAG_MAXIMIZED      0x00000004
+//! Window is contained within the parent
+#define WINFLAG_RELATIVE       0x00000008
 //! Window contents are valid
 #define WINFLAG_CLEAN          0x00000040
 //! All child windows are un-changed
@@ -45,20 +47,46 @@ typedef struct sIPC_Client  tIPC_Client;
 // === FUNCTIONS ===
 // --- Management
 extern tWindow *WM_CreateWindow(tWindow *Parent, tIPC_Client *Client, uint32_t ID, int Flags, const char *Renderer);
+extern tWindow *WM_GetWindowByID(tWindow *Requester, uint32_t ID);
 extern void    WM_Invalidate(tWindow *Window);
 extern void    WM_SetWindowTitle(tWindow *Window, const char *Title);
 extern void    WM_FocusWindow(tWindow *Destination);
 extern void    WM_RaiseWindow(tWindow *Window);
 extern void    WM_ShowWindow(tWindow *Window, int bShow);
 extern void    WM_DecorateWindow(tWindow *Window, int bDecorate);
+extern void    WM_SetRelative(tWindow *Window, int bRelativeToParent);
 extern int     WM_ResizeWindow(tWindow *Window, int W, int H);
 extern int     WM_MoveWindow(tWindow *Window, int X, int Y);
 extern int     WM_SendMessage(tWindow *Source, tWindow *Dest, int MessageID, int Length, const void *Data);
 // --- Rendering
 extern void    WM_Render_FillRect(tWindow *Window, int X, int Y, int W, int H, tColour Colour);
 extern void    WM_Render_DrawRect(tWindow *Window, int X, int Y, int W, int H, tColour Colour);
-extern int     WM_Render_DrawText(tWindow *Window, int X, int Y, int W, int H, tFont *Font, tColour Colour, const char *Text);
-extern void    WM_Render_GetTextDims(tFont *Font, const char *Text, int *W, int *H);
+/**
+ * \brief Draw text to a window
+ * \param Window       Destination Window
+ * \param X    X coordinate (Left)
+ * \param Y    Y coordinate (Top)
+ * \param W    Width of destination region
+ * \param H    Height of destination region
+ * \param Font Font to use
+ * \param Colour       Text foreground colour
+ * \param Text UTF-8 string to render
+ * \param MaxLen       Number of bytes in \a Text to read (Note: A final multi-byte sequence can exceed this count)
+ *
+ * \note As as noted in the \a MaxLen parameter, up to 3 more bytes may be read
+ *       if the final character is a multi-byte UTF-8 sequence. This allows 1
+ *       to be passed to only render a single character.
+ */
+extern int     WM_Render_DrawText(tWindow *Window, int X, int Y, int W, int H, tFont *Font, tColour Colour, const char *Text, int MaxLen);
+/**
+ * \brief Get the dimensions of a string if it was rendered
+ * \param Font Font to use
+ * \param Text UTF-8 string to be processed
+ * \param MaxLen       Number of bytes in \a Text to read (same caveat as WM_Render_DrawText applies)
+ * \param W    Pointer to an integer to store the width of the rendered text
+ * \param H    Pointer to an integer to store the height of the rendered text
+ */
+extern void    WM_Render_GetTextDims(tFont *Font, const char *Text, int MaxLen, int *W, int *H);
 extern void    WM_Render_DrawImage(tWindow *Window, int X, int Y, int W, int H, tImage *Image);
 extern void    WM_Render_SetTextCursor(tWindow *Window, int X, int Y, int W, int H, tColour Colour);
 // NOTE: Should really be elsewhere