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Added mutex for scale variable

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This commit is contained in:
Moritz Lipp 2010-01-01 14:18:09 +01:00
parent e4abffa259
commit 229ebe0a29
1 changed files with 25 additions and 1 deletions
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26
zathura.c
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@ -160,6 +160,12 @@ struct
GtkLabel *status_state;
} Global;
struct
{
pthread_mutex_t scale_lock;
pthread_mutex_t rotate_lock;
} Lock;
struct
{
char* filename;
@ -245,6 +251,10 @@ gboolean cb_inputbar_activate(GtkEntry*, gpointer);
void
init_zathura()
{
/* mutexes */
pthread_mutex_init(&(Zathura.Lock.scale_lock), NULL);
pthread_mutex_init(&(Zathura.Lock.rotate_lock), NULL);
/* look */
gdk_color_parse(default_fgcolor, &(Zathura.Style.default_fg));
gdk_color_parse(default_bgcolor, &(Zathura.Style.default_bg));
@ -363,7 +373,10 @@ void draw(int page_id)
double page_width, page_height;
double width, height;
pthread_mutex_lock(&(Zathura.Lock.scale_lock));
double scale = ((double) Zathura.PDF.scale / 100.0);
pthread_mutex_unlock(&(Zathura.Lock.scale_lock));
Page *current_page = Zathura.PDF.pages[page_id];
@ -477,10 +490,11 @@ update_status()
gtk_label_set_markup((GtkLabel*) Zathura.Global.status_text, Zathura.State.filename);
/* update state */
pthread_mutex_lock(&(Zathura.Lock.scale_lock));
char* zoom_level = (Zathura.PDF.scale != 0) ? g_strdup_printf("%d%%", Zathura.PDF.scale) : "";
pthread_mutex_unlock(&(Zathura.Lock.scale_lock));
char* status_text = g_strdup_printf("%s %s", zoom_level, Zathura.State.pages);
gtk_label_set_markup((GtkLabel*) Zathura.Global.status_state, status_text);
}
GtkEventBox*
@ -1076,7 +1090,9 @@ cmd_open(int argc, char** argv)
Zathura.PDF.number_of_pages = poppler_document_get_n_pages(Zathura.PDF.document);
Zathura.PDF.file = file;
pthread_mutex_lock(&(Zathura.Lock.scale_lock));
Zathura.PDF.scale = 100;
pthread_mutex_unlock(&(Zathura.Lock.scale_lock));
Zathura.PDF.rotate = 0;
Zathura.PDF.pages = malloc(Zathura.PDF.number_of_pages * sizeof(Page*));
Zathura.State.filename = file;
@ -1238,6 +1254,7 @@ bcmd_goto(char* buffer, Argument* argument)
void
bcmd_zoom(char* buffer, Argument* argument)
{
pthread_mutex_lock(&(Zathura.Lock.scale_lock));
if(argument->n == ZOOM_IN)
{
if((Zathura.PDF.scale + ZOOM_STEP) <= ZOOM_MAX)
@ -1250,6 +1267,7 @@ bcmd_zoom(char* buffer, Argument* argument)
}
else
Zathura.PDF.scale = 100;
pthread_mutex_unlock(&(Zathura.Lock.scale_lock));
if(Zathura.PDF.render_thread)
pthread_cancel(Zathura.PDF.render_thread);
@ -1274,6 +1292,10 @@ cb_destroy(GtkWidget* widget, gpointer data)
if(Zathura.PDF.document)
free(Zathura.PDF.pages);
/* mutexes */
pthread_mutex_destroy(&(Zathura.Lock.scale_lock));
pthread_mutex_destroy(&(Zathura.Lock.rotate_lock));
gtk_main_quit();
return TRUE;
@ -1291,7 +1313,9 @@ gboolean cb_draw(GtkWidget* widget, GdkEventExpose* expose, gpointer data)
cairo_t *cairo = gdk_cairo_create(widget->window);
double page_width, page_height, width, height;
pthread_mutex_lock(&(Zathura.Lock.scale_lock));
double scale = ((double) Zathura.PDF.scale / 100.0);
pthread_mutex_unlock(&(Zathura.Lock.scale_lock));
poppler_page_get_size(Zathura.PDF.pages[page_id]->page, &page_width, &page_height);