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Handle off-by-one errors due to rounding

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This commit is contained in:
Kristian Rietveld 2010-10-12 17:39:26 +02:00
parent b58e3bb30c
commit 65c3fc9953
1 changed files with 7 additions and 5 deletions
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12
gtk/tests/treeview-scrolling.c
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@ -26,6 +26,7 @@
#include <gtk/gtk.h> #include <gtk/gtk.h>
#include <unistd.h> #include <unistd.h>
#include <math.h>
#define VIEW_WIDTH 320 #define VIEW_WIDTH 320
#define VIEW_HEIGHT 240 #define VIEW_HEIGHT 240
@ -250,7 +251,7 @@ get_row_start_for_index (GtkTreeView *tree_view, int index)
static enum Pos static enum Pos
get_pos_from_path (GtkTreeView *tree_view, get_pos_from_path (GtkTreeView *tree_view,
GtkTreePath *path, GtkTreePath *path,
gint row_height, gdouble row_height,
GtkAdjustment *vadj) GtkAdjustment *vadj)
{ {
int row_start; int row_start;
@ -272,7 +273,7 @@ test_position_with_align (GtkTreeView *tree_view,
enum Pos pos, enum Pos pos,
gint row_y, gint row_y,
gint row_start, gint row_start,
gint row_height, gdouble row_height,
gdouble row_align) gdouble row_align)
{ {
gboolean passed = TRUE; gboolean passed = TRUE;
@ -333,7 +334,8 @@ test_position_with_align (GtkTreeView *tree_view,
* (ie. the row's center is at the * (ie. the row's center is at the
* center of the view). * center of the view).
*/ */
if (row_y != (int)(vadj->page_size / 2 - row_height / 2)) gdouble middle = vadj->page_size / 2 - row_height / 2;
if (row_y != ceil (middle) && row_y != floor (middle))
passed = FALSE; passed = FALSE;
} }
break; break;
@ -372,8 +374,8 @@ test_position_with_align (GtkTreeView *tree_view,
static gboolean static gboolean
test_position_without_align (GtkTreeView *tree_view, test_position_without_align (GtkTreeView *tree_view,
gint row_start, gdouble row_start,
gint row_height) gdouble row_height)
{ {
GtkAdjustment *vadj = gtk_tree_view_get_vadjustment (tree_view); GtkAdjustment *vadj = gtk_tree_view_get_vadjustment (tree_view);