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Added scrolling
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parent
343328740c
commit
2c0e28e877
2 changed files with 24 additions and 3 deletions
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@ -4,6 +4,7 @@ static const int DEFAULT_HEIGHT = 600;
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static const float ZOOM_STEP = 10;
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static const float ZOOM_STEP = 10;
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static const float ZOOM_MIN = 10;
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static const float ZOOM_MIN = 10;
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static const float ZOOM_MAX = 400;
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static const float ZOOM_MAX = 400;
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static const float SCROLL_STEP = 40;
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/* completion */
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/* completion */
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static const char FORMAT_COMMAND[] = "<b>%s</b>";
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static const char FORMAT_COMMAND[] = "<b>%s</b>";
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26
zathura.c
26
zathura.c
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@ -661,7 +661,25 @@ sc_rotate(Argument* argument)
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void
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void
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sc_scroll(Argument* argument)
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sc_scroll(Argument* argument)
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{
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{
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GtkAdjustment* adjustment;
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if( (argument->n == LEFT) || (argument->n == RIGHT) )
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adjustment = gtk_scrolled_window_get_hadjustment(Zathura.UI.view);
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else
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adjustment = gtk_scrolled_window_get_vadjustment(Zathura.UI.view);
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gdouble view_size = gtk_adjustment_get_page_size(adjustment);
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gdouble value = gtk_adjustment_get_value(adjustment);
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gdouble max = gtk_adjustment_get_upper(adjustment) - view_size;
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if( (argument->n == LEFT) || (argument->n == DOWN))
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gtk_adjustment_set_value(adjustment, (value - SCROLL_STEP) < 0 ? 0 : (value - SCROLL_STEP));
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else if (argument->n == TOP)
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gtk_adjustment_set_value(adjustment, 0);
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else if(argument->n == BOTTOM)
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gtk_adjustment_set_value(adjustment, max);
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else
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gtk_adjustment_set_value(adjustment, (value + SCROLL_STEP) > max ? max : (value + SCROLL_STEP));
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}
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}
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void
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void
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@ -1251,9 +1269,11 @@ cb_destroy(GtkWidget* widget, gpointer data)
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gboolean cb_draw(GtkWidget* widget, gpointer data)
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gboolean cb_draw(GtkWidget* widget, gpointer data)
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{
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{
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intptr_t t = (intptr_t) t;
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intptr_t t = (intptr_t) data;
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int page_id = (int) t;
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int page_id = (int) (t << 32);
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printf("%d\n", page_id);
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printf("%d\n", page_id);
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if(page_id < 0 || page_id > Zathura.PDF.number_of_pages)
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if(page_id < 0 || page_id > Zathura.PDF.number_of_pages)
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return FALSE;
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return FALSE;
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