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@ -1,39 +1,51 @@
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/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright 2007-2008, Marta Carbone, Luigi Rizzo
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*
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* $Revision$
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*/
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/*
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* Message board implementation.
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*
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* A message board is a section of an sdl screen where
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* A message board is a region of the SDL screen where
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* messages can be printed, like on a terminal window.
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*
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* At the moment we support fix-size font.
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*
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* The text is stored in a buffer
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* of fixed size (rows and cols). A portion of the buffer is
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* visible on the screen, and the visible window can be moved up and
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* down by dragging.
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* down by dragging (not yet!)
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*
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* TODO: font dynamic allocation
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*
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* OLD: The physical section displayed on the screen is defined
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* The region where the text is displayed on the screen is defined
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* as keypad element, (the name is defined in the `region' variable
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* so the board geometry can be read from the skin or from the
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* configuration file.
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*
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* OLD: To define a message board:
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* - declare a board in the gui_info structure;
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* - define a region name in the keypad skin and update
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* the gui_key_map list;
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* - add and manage focus events on its.
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*
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* configuration file).
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*/
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#include "asterisk.h" /* ast_strdupa */
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#include "asterisk/utils.h" /* ast_strdupa */
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#ifndef HAVE_SDL
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/* nothing */
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#else
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#ifdef HAVE_SDL /* we only use this code if SDL is available */
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#include <SDL/SDL.h>
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#define GUI_BUFFER_LEN 256 /* buffer lenght used for input buffers */
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/* Fonts characterization, TODO, read from file */
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/* Fonts characterization. XXX should be read from the file */
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#define FONT_H 20 /* char height, pixels */
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#define FONT_W 9 /* char width, pixels */
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@ -100,10 +112,12 @@ struct board *board_setup(SDL_Surface *screen, SDL_Rect *dest,
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b->v_h = b->p_h * 10; /* XXX 10 times larger */
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b->v_w = b->p_w; /* same width */
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/* the rectangle we actually use */
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br.h = b->p_h * FONT_H; /* pixel sizes of the background */
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br.w = b->p_w * FONT_W;
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br.x = br.y = 0;
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/* allocate a buffer for the text */
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b->text = ast_calloc(b->v_w*b->v_h + 1, 1);
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if (b->text == NULL) {
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ast_log(LOG_WARNING, "Unable to allocate board history memory.\n");
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@ -112,7 +126,7 @@ struct board *board_setup(SDL_Surface *screen, SDL_Rect *dest,
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}
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memset(b->text, ' ', b->v_w * b->v_h); /* fill with spaces */
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/* XXX make a copy of the original, for cleaning up */
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/* make a copy of the original rectangle, for cleaning up */
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b->blank = SDL_CreateRGBSurface(screen->flags, br.w, br.h,
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screen->format->BitsPerPixel,
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screen->format->Rmask, screen->format->Gmask,
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@ -140,34 +154,6 @@ struct board *board_setup(SDL_Surface *screen, SDL_Rect *dest,
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return b;
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}
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#if 0
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/*! \brief Remap and blit the virtual surface on the physical surface */
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static void blit_on_screen(struct gui_info *gui, struct board *b)
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{
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/* Blit a section of the virtual board on the main surface */
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SDL_Rect mapped_rect; /* coordinates related to the main surface */
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mapped_rect.x = 0;
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mapped_rect.y = b->rendering_offset;
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mapped_rect.w = b->p_rect.w;
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mapped_rect.h = b->p_rect.h;
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/* Clean the surface (print backgroud) */
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// This sould be done in the main loop
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// SDL_BlitSurface(gui->keypad, NULL, gui->screen, &b->p_rect);
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SDL_BlitSurface(gui->keypad, NULL, gui->screen, &b->p_rect);
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/* Blit the virtual surface on the main surface */
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SDL_BlitSurface(b->v_board, &mapped_rect, gui->screen, &b->p_rect);
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/* Update the keypad screen, should be done in the main loop */
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SDL_UpdateRects(gui->screen, 1, &gui->message_board.p_rect);
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//SDL_UpdateRects(gui->screen, 1, &gui->message_board.p_rect);
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}
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#endif /* notyet */
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/* Render the text on the board surface.
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* The first line to render is the one at v_h - p_h - cur_line,
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* the size is p_h * p_w.
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@ -193,7 +179,9 @@ static void render_board(struct board *b)
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/* blit all characters */
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for (i = first_char, col = 0; i < last_char; i++) {
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int c = b->text[i] - 32;
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int c = b->text[i] - 32; /* XXX first 32 chars are not printable */
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if (c < 0) /* should not happen, but just in case... */
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continue;
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SDL_BlitSurface(b->font, &b->font_rects[c], b->screen, &dst);
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/* point dst to next char position */
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dst.x += dst.w;
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@ -204,8 +192,7 @@ static void render_board(struct board *b)
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col = 0;
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}
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}
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/* Update the written portion of the keypad on the screen */
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SDL_UpdateRects(b->screen, 1, b->p_rect);
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SDL_UpdateRects(b->screen, 1, b->p_rect); /* Update the screen */
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}
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/* Store the message on the history board
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@ -295,7 +282,6 @@ int print_message(struct board *b, const char *s)
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}
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b->cur_col = col;
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/* everything is printed now, must do the rendering */
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//board_dump(b);
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render_board(b);
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return 1;
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}
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