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Added scrolling

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This commit is contained in:
Moritz Lipp 2009-12-30 00:21:29 +01:00
parent 343328740c
commit 2c0e28e877
2 changed files with 24 additions and 3 deletions
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1
config.def.h
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@ -4,6 +4,7 @@ static const int DEFAULT_HEIGHT = 600;
static const float ZOOM_STEP = 10;
static const float ZOOM_MIN = 10;
static const float ZOOM_MAX = 400;
static const float SCROLL_STEP = 40;
/* completion */
static const char FORMAT_COMMAND[] = "<b>%s</b>";

26
zathura.c
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@ -661,7 +661,25 @@ sc_rotate(Argument* argument)
void
sc_scroll(Argument* argument)
{
GtkAdjustment* adjustment;
if( (argument->n == LEFT) || (argument->n == RIGHT) )
adjustment = gtk_scrolled_window_get_hadjustment(Zathura.UI.view);
else
adjustment = gtk_scrolled_window_get_vadjustment(Zathura.UI.view);
gdouble view_size = gtk_adjustment_get_page_size(adjustment);
gdouble value = gtk_adjustment_get_value(adjustment);
gdouble max = gtk_adjustment_get_upper(adjustment) - view_size;
if( (argument->n == LEFT) || (argument->n == DOWN))
gtk_adjustment_set_value(adjustment, (value - SCROLL_STEP) < 0 ? 0 : (value - SCROLL_STEP));
else if (argument->n == TOP)
gtk_adjustment_set_value(adjustment, 0);
else if(argument->n == BOTTOM)
gtk_adjustment_set_value(adjustment, max);
else
gtk_adjustment_set_value(adjustment, (value + SCROLL_STEP) > max ? max : (value + SCROLL_STEP));
}
void
@ -1251,9 +1269,11 @@ cb_destroy(GtkWidget* widget, gpointer data)
gboolean cb_draw(GtkWidget* widget, gpointer data)
{
intptr_t t = (intptr_t) t;
int page_id = (int) t;
printf("%d\n", page_id);
intptr_t t = (intptr_t) data;
int page_id = (int) (t << 32);
printf("%d\n", page_id);
if(page_id < 0 || page_id > Zathura.PDF.number_of_pages)
return FALSE;