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Cancel the search thread

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Do not cancel the search thread if it is not possible
This commit is contained in:
Moritz Lipp 2010-01-21 01:46:53 +01:00
parent 5b918ca16e
commit 488b7f1c33
1 changed files with 31 additions and 6 deletions
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37
zathura.c
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@ -183,6 +183,12 @@ struct
pthread_mutex_t viewport_lock;
} Lock;
struct
{
pthread_t search_thread;
gboolean search_thread_running;
} Thread;
struct
{
char* filename;
@ -198,7 +204,6 @@ struct
int number_of_pages;
int scale;
int rotate;
pthread_t search_thread;
cairo_surface_t *surface;
} PDF;
@ -761,22 +766,30 @@ switch_view(GtkWidget* widget)
}
/* thread implementation */
void* search(void* parameter)
void*
search(void* parameter)
{
Zathura.Thread.search_thread_running = TRUE;
Argument* argument = (Argument*) parameter;
static char* search_item;
static int direction;
static int next_page = 0;
int page_counter;
int next_page;
GList* results;
GList* list;
int ov;
pthread_mutex_unlock(&(Zathura.PDF.pages[next_page]->lock));
if(argument->data)
search_item = g_strdup((char*) argument->data);
if(!Zathura.PDF.document || !search_item || !strlen(search_item))
{
Zathura.Thread.search_thread_running = FALSE;
pthread_exit(NULL);
}
/* search document */
if(argument->n)
@ -787,9 +800,11 @@ void* search(void* parameter)
next_page = (Zathura.PDF.number_of_pages + Zathura.PDF.page_number +
page_counter * direction) % Zathura.PDF.number_of_pages;
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &ov);
pthread_mutex_lock(&(Zathura.PDF.pages[next_page]->lock));
results = poppler_page_find_text(Zathura.PDF.pages[next_page]->page, search_item);
pthread_mutex_unlock(&(Zathura.PDF.pages[next_page]->lock));
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &ov);
if(results)
break;
@ -799,15 +814,22 @@ void* search(void* parameter)
if(results)
{
for(list = results; list && list->data; list = g_list_next(list))
{
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &ov);
highlight_result(next_page, (PopplerRectangle*) list->data);
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &ov);
}
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &ov);
set_page(next_page);
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &ov);
}
else
{
printf("Nothing found for %s\n", search_item);
}
Zathura.Thread.search_thread_running = FALSE;
pthread_exit(NULL);
}
@ -914,10 +936,13 @@ void
sc_search(Argument* argument)
{
pthread_mutex_lock(&(Zathura.Lock.search_lock));
if(Zathura.PDF.search_thread)
pthread_cancel(Zathura.PDF.search_thread);
if(Zathura.Thread.search_thread_running)
{
pthread_cancel(Zathura.Thread.search_thread);
Zathura.Thread.search_thread_running = FALSE;
}
pthread_create(&(Zathura.PDF.search_thread), NULL, search, (gpointer) argument);
pthread_create(&(Zathura.Thread.search_thread), NULL, search, (gpointer) argument);
pthread_mutex_unlock(&(Zathura.Lock.search_lock));
}