qulogic/talkatu

Use GtkScrollable/GtkAdjustment to do the scrolling

2019-07-22, Gary Kramlich
e87476119a1e
Parents 31bc0c480be9
Children dbc6a49e8452
Use GtkScrollable/GtkAdjustment to do the scrolling
1 files changed, 14 insertions(+), 20 deletions(-)
  • +14 -20
    talkatu/talkatuhistory.c
    • --- a/talkatu/talkatuhistory.c Fri Jul 19 16:24:45 2019 -0500
    +++ b/talkatu/talkatuhistory.c Mon Jul 22 02:32:06 2019 -0500
    @@ -74,19 +74,16 @@
    */
    void
    talkatu_history_page_up(TalkatuHistory *history) {
    - GdkRectangle rect;
    - GtkTextIter iter;
    + GtkAdjustment *adjustment = NULL;
    + double value = 0.0;
    g_return_if_fail(TALKATU_IS_HISTORY(history));
    - gtk_text_view_get_visible_rect(GTK_TEXT_VIEW(history), &rect);
    - gtk_text_view_get_iter_at_location(
    - GTK_TEXT_VIEW(history),
    - &iter,
    - rect.x,
    - rect.y - rect.height
    - );
    - gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(history), &iter, 0, TRUE, 0, 0);
    + gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(history));
    +
    + value = gtk_adjustment_get_value(adjustment);
    + value -= gtk_adjustment_get_page_increment(adjustment);
    + gtk_adjustment_set_value(adjustment, value);
    }
    /**
    @@ -97,18 +94,15 @@
    */
    void
    talkatu_history_page_down(TalkatuHistory *history) {
    - GdkRectangle rect;
    - GtkTextIter iter;
    + GtkAdjustment *adjustment = NULL;
    + double value = 0.0;
    g_return_if_fail(TALKATU_IS_HISTORY(history));
    - gtk_text_view_get_visible_rect(GTK_TEXT_VIEW(history), &rect);
    - gtk_text_view_get_iter_at_location(
    - GTK_TEXT_VIEW(history),
    - &iter,
    - rect.x,
    - rect.y + rect.height
    - );
    - gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(history), &iter, 0, TRUE, 0, 0);
    + gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(history));
    +
    + value = gtk_adjustment_get_value(adjustment);
    + value += gtk_adjustment_get_page_increment(adjustment);
    + gtk_adjustment_set_value(adjustment, value);
    }