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Activate label mode only when reasonable

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This patch checks while opening the pdf document
if it is reasonable to activate the goto label mode:
Sometimes all labels match their page number and then
the label goto mode will slow the navigation down.
This commit is contained in:
Moritz Lipp 2010-05-06 20:31:53 +02:00
parent 63c0312b57
commit 0b2c7c3a12
1 changed files with 17 additions and 2 deletions
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17
zathura.c
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@ -187,6 +187,7 @@ struct
int mode; int mode;
int viewing_mode; int viewing_mode;
gboolean recolor; gboolean recolor;
gboolean enable_labelmode;
int goto_mode; int goto_mode;
GtkLabel *status_text; GtkLabel *status_text;
GtkLabel *status_buffer; GtkLabel *status_buffer;
@ -852,8 +853,10 @@ open_file(char* path, char* password)
Zathura.PDF.pages = malloc(Zathura.PDF.number_of_pages * sizeof(Page*)); Zathura.PDF.pages = malloc(Zathura.PDF.number_of_pages * sizeof(Page*));
Zathura.State.filename = g_markup_escape_text(file, -1); Zathura.State.filename = g_markup_escape_text(file, -1);
/* get pages */ /* get pages and check label mode */
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock)); g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
Zathura.Global.enable_labelmode = FALSE;
int i; int i;
for(i = 0; i < Zathura.PDF.number_of_pages; i++) for(i = 0; i < Zathura.PDF.number_of_pages; i++)
{ {
@ -861,9 +864,18 @@ open_file(char* path, char* password)
Zathura.PDF.pages[i]->id = i + 1; Zathura.PDF.pages[i]->id = i + 1;
Zathura.PDF.pages[i]->page = poppler_document_get_page(Zathura.PDF.document, i); Zathura.PDF.pages[i]->page = poppler_document_get_page(Zathura.PDF.document, i);
g_object_get(G_OBJECT(Zathura.PDF.pages[i]->page), "label", &(Zathura.PDF.pages[i]->label), NULL); g_object_get(G_OBJECT(Zathura.PDF.pages[i]->page), "label", &(Zathura.PDF.pages[i]->label), NULL);
/* check if it is necessary to use the label mode */
int label_int = atoi(Zathura.PDF.pages[i]->label);
if(label_int == 0 || label_int != (i+1))
Zathura.Global.enable_labelmode = TRUE;
} }
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock)); g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
/* set correct goto mode */
if(!Zathura.Global.enable_labelmode && GOTO_MODE == GOTO_LABELS)
Zathura.Global.goto_mode = GOTO_DEFAULT;
/* start page */ /* start page */
int start_page = 0; int start_page = 0;
Zathura.PDF.page_offset = 0; Zathura.PDF.page_offset = 0;
@ -1466,7 +1478,10 @@ sc_switch_goto_mode(Argument* argument)
Zathura.Global.goto_mode = GOTO_DEFAULT; Zathura.Global.goto_mode = GOTO_DEFAULT;
break; break;
default: default:
if(Zathura.Global.enable_labelmode)
Zathura.Global.goto_mode = GOTO_LABELS; Zathura.Global.goto_mode = GOTO_LABELS;
else
Zathura.Global.goto_mode = GOTO_OFFSET;
break; break;
} }