X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fwindows.h;h=4914a27eb49675eb8d76a2261e96b234d6087484;hb=d4693165cda2814c544e05b219c2cf3798e31857;hp=8cb5ec1267f4fd37da004cc5e78f3074b57172d1;hpb=cd36b7aea78655cccff83f554d3e6631212d66d0;p=plomrogue diff --git a/src/windows.h b/src/windows.h index 8cb5ec1..4914a27 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 +95,34 @@ 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 width so many cells smaller than that + * of the terminal screen. Pass 0 for "height" to give the window the maximum + * allowed height: one cell smaller than that of the terminal screen. Pass + * negative values to make the window width so many cells smaller than that of + * 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);