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more fixes

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This commit is contained in:
Matthew Allum 2005-03-23 18:48:27 +00:00
parent 0e19d99457
commit 2a24ed964a
2 changed files with 46 additions and 7 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2005-03-23 mallum,,, <mallum@openedhand.com>
* cltr.c: (ctrl_photo_grid_get_trans_coords),
Fix grid co-ords -> translation vals converter
(cltr_photo_grid_navigate), (cltr_photo_grid_redraw),
(cltr_photo_grid_new), (idle_cb):
Fix moving between pictures when zoomed
2005-03-23 mallum,,, <mallum@openedhand.com>
* cltr.c: (cltr_dispatch_x_event), (cltr_window_new),

40
cltr.c
View File

@ -324,9 +324,35 @@ ctrl_photo_grid_get_trans_coords(ClutterPhotoGrid *grid,
/* XXX figure out what magic 2.0 value comes from */
/*
*tx = (float)( (max_x-x) - 1.0 ) * 2.0;
*ty = (float)( y - 1.0 ) * 2.0;
*/
/*
3x3 0,0 -> 2,-2
5x5 0,0 ->
*tx = 4.0;
*ty = -4.0;
4x4 0,0 -> 3.0, -3.0
*/
/*
float trange = ((float)(grid->n_cols - 1.0) * 2.0);
float xrange = (float)grid->n_cols - 1.0;
*/
/*
*tx = ((max_x-x) * (trange/xrange)) - (trange/2);
*ty = (y * (trange/xrange)) - (trange/2);
*/
/* assumes rows = cols */
*tx = ((max_x-x) * 2.0) - (grid->n_cols - 1.0);
*ty = (y * 2.0) - (grid->n_cols - 1.0);
}
void
@ -362,10 +388,9 @@ cltr_photo_grid_navigate(ClutterPhotoGrid *grid,
if (grid->state == CLTR_PHOTO_GRID_STATE_ZOOMED)
{
grid->state = CLTR_PHOTO_GRID_STATE_ZOOMED_MOVE;
grid->view_min_x = grid->view_max_x;
grid->view_min_y = grid->view_max_y ;
grid->anim_step = 0;
}
ctrl_photo_grid_cell_to_coords(grid, grid->cell_active, &x, &y);
@ -576,8 +601,9 @@ cltr_photo_grid_redraw(ClutterPhotoGrid *grid)
{
float f = (float)grid->anim_step/grid->anim_n_steps;
trans_x = (grid->view_max_x - grid->view_min_x) * f;
trans_y = (grid->view_max_y - grid->view_min_y) * f;
trans_x = grid->view_min_x + ((grid->view_max_x - grid->view_min_x) * f);
trans_y = grid->view_min_y + ((grid->view_max_y - grid->view_min_y) * f);
}
}
@ -688,7 +714,7 @@ cltr_photo_grid_new(ClutterWindow *win,
grid->state = CLTR_PHOTO_GRID_STATE_BROWSE;
grid->anim_n_steps = 40; /* value needs to be calced dep on rows */
grid->anim_n_steps = 50; /* value needs to be calced dep on rows */
grid->anim_step = 0;
/*
@ -732,6 +758,10 @@ idle_cb(gpointer data)
{
ClutterPhotoGrid *grid = (ClutterPhotoGrid *)data;
/*
if (grid->state != CLTR_PHOTO_GRID_STATE_BROWSE
&& grid->state != CLTR_PHOTO_GRID_STATE_ZOOMED)
*/
cltr_photo_grid_redraw(grid);
return TRUE;