X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fwindows.h;h=5ec4d2f62bc709c80dc632290c22ed21e9fd9a00;hb=f44e1046dd5fafc71ac481490633ae544c5e5b0c;hp=8cb5ec1267f4fd37da004cc5e78f3074b57172d1;hpb=cd36b7aea78655cccff83f554d3e6631212d66d0;p=plomrogue

diff --git a/src/windows.h b/src/windows.h
index 8cb5ec1..5ec4d2f 100644
--- a/src/windows.h
+++ b/src/windows.h
@@ -22,7 +22,7 @@
  *
  * Functions that return uint8_t return these error codes:
  * 0 - success
- * 1 - memory allocation error (of ncurses' pads/windows, or scroll hint texts)
+ * 1 - memory allocation error
  * 2 - would force virtual screen to grow beyond width or height of 2^16 cells
  *
  * TODO: Expose less internals to the API.
@@ -95,24 +95,33 @@ struct WinMeta
  * initialized 0, except for the virtual screen (height = that of the terminal
  * screen; width = 1) amd its frame sized to the size of the terminal screen.
  */
-extern uint8_t init_win_meta(WINDOW * screen, struct WinMeta * wmeta);
+extern uint8_t init_win_meta(WINDOW * screen, struct WinMeta ** wmeta);
 
 
 
-/* Create a window as child of "wmeta" titled "title" of "height" and "width"
- * and appointing "func"() to interpret and draw the content stored at "data"
- * if the window is visible.
+/* Initialize a window child of "wmeta" to "title", "height" and "width" and
+ * appointing "func"() to interpret and draw the content stored at "data" when
+ * the window is visible.
  *
  * Pass 0 for "width" to make the window as wide as the terminal screen. Pass
- * for "height" 0 or a value larger than the maximum window height possible
- * within the virtual screen to attain that maximum window height.
+ * negative values for "width" to make the size so many cells smaller than the
+ * terminal screen. Pass 0 for "height" to give the window the maximum allowed
+ * height: one cell smaller than the terminal screen. Pass negative values to
+ * make the window so many smalls smaller than the terminal screen. The maximum
+ * allowed height is also applied for positive values that exceed it or negative
+ * values that would reduce the window height < 1 cell.
  *
- * Other members of the Win struct are initialized to 0. The window will stay
- * invisible until appended to the chain of visible windows via append_win().
+ * Other members of the Win struct are initialized to 0.
  */
-extern struct Win init_win(struct WinMeta * wmeta, char * title,
-                           uint16_t height, uint16_t width,
-                           void * data, void * func);
+extern uint8_t init_win(struct WinMeta * wmeta, struct Win ** w, char * title,
+                        int16_t height, int16_t width,
+                        void * data, void * func);
+
+
+
+/* Free allocated memory for an initialized Win / WinMeta struct. */
+extern void free_winmeta(struct WinMeta * wmeta);
+extern void free_win(struct Win * win);