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Cleaning up some OSK code to avoid leaking so much memory.

Browse source 
Note: Planning to make keyboards load once, rather than every
time a switch happens.
Some other memory leak fixes.
This commit is contained in:
William Kendrick 2014-04-23 08:20:50 +00:00
parent 25e582c438
commit 19f5adaf4d
3 changed files with 63 additions and 49 deletions
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90
src/onscreen_keyboard.c
View file

@ -5,7 +5,6 @@
//#define DEBUG_OSK_COMPOSEMAP
static TTF_Font * osk_fonty;
static SDL_Color def_bgcolor = {255, 255, 255, 255};
static SDL_Color def_fgcolor = {0, 0, 0, 0};
@ -73,6 +72,8 @@ struct osk_keyboard *osk_create(char *layout_name, SDL_Surface *canvas, SDL_Surf
keyboard = malloc(sizeof(on_screen_keyboard));
keyboard->osk_fonty = NULL;
keyboard->disable_change = disable_change;
layout = load_layout(keyboard, layout_name);
if (!layout)
@ -155,6 +156,7 @@ static struct osk_layout *load_layout(on_screen_keyboard *keyboard, char *layout
osk_layout *layout;
layout = malloc(sizeof(osk_layout));
layout->name = NULL;
hlayout_loaded = 0;
#ifdef DEBUG
printf("load_layout %s\n", layout_name);
@ -575,6 +577,7 @@ static void gettokens(char * line, char * delim, char ** pointer, osk_composenod
if (tok[0] == ':') /* End of precompose keysyms, next will be the result in UTF-8. */
{
free(tok);
tok = strdup(strtok_r(line, ": \"\t", pointer));
mbstowcs(wtok, tok, 255);
@ -637,6 +640,7 @@ static void gettokens(char * line, char * delim, char ** pointer, osk_composenod
/* printf("size %d, keysym %ls =>", composenode->size, composenode->childs[composenode->size - 1]->keysym); */
gettokens(NULL, delim, pointer, composenode->childs[composenode->size - 1], layout);
free(tok);
return;
}
}
@ -988,49 +992,50 @@ static void keybd_prepare(on_screen_keyboard *keyboard)
char * fontname;
fontname = malloc(sizeof(char) * 255);
if (keyboard->layout->fontpath)
{
/* First try if it is an absolute path */
osk_fonty = TTF_OpenFont( keyboard->layout->fontpath, 12 );
if (osk_fonty == NULL)
if (keyboard->osk_fonty == NULL) {
if (keyboard->layout->fontpath)
{
/* Now trying if it is relative to DATA_PREFIX/fonts/ */
snprintf(fontname, 255, "%s/fonts/%s", DATA_PREFIX, keyboard->layout->fontpath);
osk_fonty = TTF_OpenFont( fontname, 12 );
if (osk_fonty == NULL)
/* First try if it is an absolute path */
keyboard->osk_fonty = TTF_OpenFont( keyboard->layout->fontpath, 12 );
if (keyboard->osk_fonty == NULL)
{
/* Perhaps it is relative to DATA_PREFIX only? */
snprintf(fontname, 255, "%s/%s", DATA_PREFIX, keyboard->layout->fontpath);
osk_fonty = TTF_OpenFont( fontname, 12 );
if (osk_fonty == NULL)
{
/* Or to DATA_PREFIX/fonts/locale/ ? */
snprintf(fontname, 255, "%s/fonts/locale/%s", DATA_PREFIX, keyboard->layout->fontpath);
osk_fonty = TTF_OpenFont( fontname, 12 );
}
/* Now trying if it is relative to DATA_PREFIX/fonts/ */
snprintf(fontname, 255, "%s/fonts/%s", DATA_PREFIX, keyboard->layout->fontpath);
keyboard->osk_fonty = TTF_OpenFont( fontname, 12 );
if (keyboard->osk_fonty == NULL)
{
/* Perhaps it is relative to DATA_PREFIX only? */
snprintf(fontname, 255, "%s/%s", DATA_PREFIX, keyboard->layout->fontpath);
keyboard->osk_fonty = TTF_OpenFont( fontname, 12 );
if (keyboard->osk_fonty == NULL)
{
/* Or to DATA_PREFIX/fonts/locale/ ? */
snprintf(fontname, 255, "%s/fonts/locale/%s", DATA_PREFIX, keyboard->layout->fontpath);
keyboard->osk_fonty = TTF_OpenFont( fontname, 12 );
}
}
}
}
}
if (osk_fonty == NULL)
{
/* Going with the default */
sprintf(fontname, "%s/fonts/FreeSansBold.ttf", DATA_PREFIX);
osk_fonty = TTF_OpenFont( fontname, 12 );
}
if (keyboard->osk_fonty == NULL)
{
/* Going with the default */
sprintf(fontname, "%s/fonts/FreeSansBold.ttf", DATA_PREFIX);
keyboard->osk_fonty = TTF_OpenFont( fontname, 12 );
}
if (keyboard->osk_fonty == NULL)
{
fprintf(stderr, "\nError: Can't open the font!\n"
"The Simple DirectMedia Layer error that occurred was:\n"
"%s\n\n", SDL_GetError());
free(fontname);
exit(1);
}
if (osk_fonty == NULL)
{
fprintf(stderr, "\nError: Can't open the font!\n"
"The Simple DirectMedia Layer error that occurred was:\n"
"%s\n\n", SDL_GetError());
free(fontname);
exit(1);
}
free(fontname);
}
@ -1302,7 +1307,7 @@ static void label_key(osk_key key, on_screen_keyboard *keyboard)
else if( strncmp("SPACE", text, 5) != 0 && strncmp("NULL", text, 4) != 0)
{
messager = TTF_RenderUTF8_Blended(osk_fonty, text, keyboard->layout->fgcolor);
messager = TTF_RenderUTF8_Blended(keyboard->osk_fonty, text, keyboard->layout->fgcolor);
apply_surface( key.x + 5, key.y, messager, keyboard->surface, NULL);
SDL_FreeSurface(messager);
@ -1859,9 +1864,10 @@ static void free_keys(osk_layout *layout)
static void free_layout(osk_layout *layout)
{
// free(layout->name);
// free(layout->rows);
// free(layout->fontpath);
if (layout->name != NULL)
free(layout->name);
// free(layout->rows);
free(layout->fontpath);
free_keys(layout);
free_keymap(layout->keymap);
free_composemap(layout->composemap);
@ -1887,7 +1893,9 @@ void osk_free(on_screen_keyboard *keyboard)
set_key(NULL, &keyboard->keymodifiers.altgr, 0);
set_key(NULL, &keyboard->keymodifiers.compose, 0);
set_key(NULL, &keyboard->keymodifiers.dead, 0);
if (keyboard->osk_fonty != NULL)
TTF_CloseFont(keyboard->osk_fonty);
free(keyboard);
}