Here comes the diff file.
In the meantime, I'll keep looking into the labeling of values on the
barchart plot (that seems a bit more difficult).
Thanks
Davide
2008/2/12 Ian Lewis <[EMAIL PROTECTED]>:
> David,
>
> If you made the changes in the local SVN repo then you can do:
>
> svn diff > gridlines.diff
>
> and send us the gridlines.diff file.
>
> Thanks,
> Ian
>
> 2008/2/12, Davide Imbeni <[EMAIL PROTECTED]>:
> >
> > Hi again,
> >
> > I started to look into goffice, and dealt with the grid option, as a
> > start
> > (easy things first...).
> >
> > I think I got it working in a pretty enough way (for me). I added a few
> > lines in src/gnome-utils/gnc-html-graph-gog.c that actually draw the
> > y-major-grid on some grayed background, and added the relevant option
> > "Background Grid" in the Display Tab of the barchart report.
> > All in all, changed (as few lines as possible)
> > src/gnome-utils/gnc-html-graph-gog.c
> > src/report/report-system/html-barchart.scm
> > src/report/report-system/report-system.scm
> > src/report/standard-reports/category-barchart.scm
> >
> > Now the questions:
> >
> > How do I submit this changes to you, so as to get feedback/comments and
> > eventually, hopefully, have this little piece of code included in the
> > trunk?
> > Please assume very basic knowledge of svn and diff...
> >
> > Since I modified some gnucash code rather than creating a custom report,
> > if
> > I don't get them incorporated I will loose my changes when gnucash
> > evolves,
> > right?
> >
> > BTW, I was working on r16930, downloaded via SVN.
> >
> > Thanks
> >
> > Davide
> >
> >
> >
> > On Feb 7, 2008 6:32 PM, Davide Imbeni <[EMAIL PROTECTED]> wrote:
> >
> > > Thanks for your indications.
> > > I will start to work on it and report as soon as I have something
> > ready,
> > > or (more likely) additional doubts.
> > > As I said, I will first have to learn A LOT, so don't expect fast
> > > patches...
> > >
> > > Thank you
> > >
> > > Davide
> > >
> > >
> > >
> > > On Feb 7, 2008 6:08 PM, Josh Sled <[EMAIL PROTECTED]> wrote:
> > >
> > > > "Davide Imbeni" <[EMAIL PROTECTED]> writes:
> > > > > I would like to change slightly the appearance of the plots in
> > > > bar-chart
> > > > > reports.
> > > > > As it is now it's a bit difficult to get an idea of the level of
> > the
> > > > bars (a
> > > > > part from the first one on the left), so I would like to add a
> > grid to
> > > > the
> > > > > plot or, even better, have the actual numeric values visible (e.g.
> > > > when
> > > > > clicking on the corresponding bar, or when pointing it without
> > > > clicking, or
> > > > > even as a label close to it)
> > > >
> > > > These things would be provided by modifying how we call libgoffice,
> > > > which
> > > > provides the actual plotting. The primary binding code between
> > gnucash
> > > > and
> > > > goffice is in src/gnome-utils/gnc-html-graph-gog.c.
> > > >
> > > > The interface between the reports and that code is through a couple
> > of
> > > > levels…
> > > >
> > > > The report (scm code) will emit an <object> tag with <param> tags
> > for
> > > > the
> > > > various parameters. See src/report/report-system/html-barchart.scm.
> > > >
> > > > GtkHtml is configured for <object> tags (with a particular class-id)
> > to
> > > > be
> > > > handled by the aforementioned gnc-html-graph-gog code. It then
> > parses
> > > > the
> > > > params/data, and converts it into goffice's interface, and renders
> > the
> > > > report
> > > > into a pixmap. The pixmap is then returned to GtkHtml as the
> > rendering
> > > > of
> > > > the <object> tag.
> > > >
> > > > > I don't know anything about scheme, guile, and extremely little
> > about
> > > > html,
> > > > > and before continuing my research, I would like to get directions
> > and
> > > > > suggestions from the experts.
> > > > >
> > > > > Where to start from? Do I have to dig into scheme? Shall I create
> > a
> > > > custom
> > > > > report or change something in the stylesheet?
> > > >
> > > > - Make sure you know what's supported by goffice, and the details of
> > > > what it
> > > > needs (for, say, labels on chart segments).
> > > > - Modify the pie/bar-chart generator code for those new parameters.
> > > > - Modify the gnc-html-graph-gog code for those new parameters.
> > > > - Modify the reports to use the new pie/bar-chart generator code.
> > > >
> > > >
> > > > We're here and happy to help if you have any questions.
> > > >
> > > > --
> > > > ...jsled
> > > > http://asynchronous.org/ - a=jsled; b=asynchronous.org; echo
> > [EMAIL PROTECTED]
> > > >
> > >
> > >
> > _______________________________________________
> > gnucash-devel mailing list
> > [email protected]
> > https://lists.gnucash.org/mailman/listinfo/gnucash-devel
> >
>
>
Index: src/report/standard-reports/category-barchart.scm
===================================================================
--- src/report/standard-reports/category-barchart.scm (revision 16930)
+++ src/report/standard-reports/category-barchart.scm (working copy)
@@ -81,6 +81,7 @@
(define optname-plot-width (N_ "Plot Width"))
(define optname-plot-height (N_ "Plot Height"))
(define optname-sort-method (N_ "Sort Method"))
+(define optname-y-major-grid (N_ "Background Grid"))
(define (options-generator account-types reverse-balance?)
(let* ((options (gnc:new-options))
@@ -146,6 +147,12 @@
"c" (N_ "Maximum number of bars in the chart") 8
2 24 0 1))
+ (add-option
+ (gnc:make-simple-boolean-option
+ gnc:pagename-display optname-y-major-grid
+ "b"
+ (N_ "Add background grid (Y axis)") #f))
+
(gnc:options-add-plot-size!
options gnc:pagename-display
optname-plot-width optname-plot-height "d" 400 400)
@@ -199,6 +206,7 @@
(account-levels (get-option gnc:pagename-accounts optname-levels))
(stacked? (get-option gnc:pagename-display optname-stacked))
+ (y-major-grid? (get-option gnc:pagename-display optname-y-major-grid))
(show-fullname? (get-option gnc:pagename-display optname-fullname))
(max-slices (inexact->exact
(get-option gnc:pagename-display optname-slices)))
@@ -420,6 +428,7 @@
chart (gnc-commodity-get-mnemonic report-currency))
(gnc:html-barchart-set-row-labels-rotated?! chart #t)
(gnc:html-barchart-set-stacked?! chart stacked?)
+ (gnc:html-barchart-set-y-major-grid?! chart y-major-grid?)
;; If this is a stacked barchart, then reverse the legend.
;; Doesn't do what you'd expect. - DRH
;; It does work, but needs Guppi 0.40.4. - cstim
Index: src/report/report-system/html-barchart.scm
===================================================================
--- src/report/report-system/html-barchart.scm (revision 16930)
+++ src/report/report-system/html-barchart.scm (working copy)
@@ -41,7 +41,8 @@
button-3-bar-urls
button-1-legend-urls
button-2-legend-urls
- button-3-legend-urls)))
+ button-3-legend-urls
+ y-major-grid?)))
(define gnc:html-barchart?
(record-predicate <html-barchart>))
@@ -56,7 +57,7 @@
(define (gnc:make-html-barchart)
(gnc:make-html-barchart-internal -1 -1 #f #f #f #f '() '() '()
- #f #f #f '() #f #f #f #f #f #f))
+ #f #f #f '() #f #f #f #f #f #f #f))
(define gnc:html-barchart-data
(record-accessor <html-barchart> 'data))
@@ -136,6 +137,12 @@
(define gnc:html-barchart-set-subtitle!
(record-modifier <html-barchart> 'subtitle))
+(define gnc:html-barchart-y-major-grid?
+ (record-accessor <html-barchart> 'y-major-grid?))
+
+(define gnc:html-barchart-set-y-major-grid?!
+ (record-modifier <html-barchart> 'y-major-grid?))
+
;; Note: ATM you can specify one url per column, but this url will be
;; used for all of the rows. Otherwise we could have cols*rows urls
;; (quite a lot), but this first requires fixing
@@ -428,6 +435,10 @@
(push (if (gnc:html-barchart-stacked? barchart)
"1\">\n"
"0\">\n"))
+ (push " <param name=\"y_major_grid\" value=\"")
+ (push (if (gnc:html-barchart-y-major-grid? barchart)
+ "1\">\n"
+ "0\">\n"))
(push " <param name=\"legend_reversed\" value=\"")
(push (if (gnc:html-barchart-legend-reversed? barchart)
"1\">\n"
Index: src/report/report-system/report-system.scm
===================================================================
--- src/report/report-system/report-system.scm (revision 16930)
+++ src/report/report-system/report-system.scm (working copy)
@@ -182,6 +182,8 @@
(export gnc:html-barchart-set-row-labels-rotated?!)
(export gnc:html-barchart-stacked?)
(export gnc:html-barchart-set-stacked?!)
+(export gnc:html-barchart-y-major-grid?)
+(export gnc:html-barchart-set-y-major-grid?!)
(export gnc:html-barchart-col-labels)
(export gnc:html-barchart-set-col-labels!)
(export gnc:html-barchart-col-colors)
Index: src/gnome-utils/gnc-html-graph-gog.c
===================================================================
--- src/gnome-utils/gnc-html-graph-gog.c (revision 16930)
+++ src/gnome-utils/gnc-html-graph-gog.c (working copy)
@@ -394,6 +394,7 @@
* col_colors:string[]
* rotate_row_labels:boolean
* stacked:boolean
+ * y_major_grid:boolean
**/
static gboolean
handle_barchart(gnc_html * html, GtkHTMLEmbedded * eb, gpointer unused)
@@ -410,6 +411,7 @@
gboolean stacked = FALSE;
char *bar_type = "normal";
int bar_overlap = 0 /*percent*/; // seperate bars; no overlap.
+ gboolean y_major_grid = FALSE;
gtkhtml_pre_3_10_1_bug_workaround (eb);
@@ -418,7 +420,7 @@
// series-elements => segments [gnc:rows]
{
char *data_rows_str, *data_cols_str, *data_str, *col_labels_str, *row_labels_str;
- char *col_colors_str, *rotate_row_labels_str = NULL, *stacked_str = NULL;
+ char *col_colors_str, *rotate_row_labels_str = NULL, *stacked_str = NULL, *y_major_grid_str = NULL;
data_rows_str = g_hash_table_lookup (eb->params, "data_rows");
data_cols_str = g_hash_table_lookup (eb->params, "data_cols");
@@ -428,9 +430,11 @@
col_colors_str = g_hash_table_lookup (eb->params, "col_colors");
rotate_row_labels_str = g_hash_table_lookup (eb->params, "rotate_row_labels");
stacked_str = g_hash_table_lookup (eb->params, "stacked");
+ y_major_grid_str = g_hash_table_lookup (eb->params, "y_major_grid");
rotate_row_labels = (gboolean) atoi (rotate_row_labels_str);
stacked = (gboolean) atoi (stacked_str);
+ y_major_grid = (gboolean) atoi (y_major_grid_str);
#if 0 // too strong at the moment.
g_return_val_if_fail (data_rows_str != NULL
@@ -462,7 +466,7 @@
g_object_set (G_OBJECT (plot),
//"vary_style_by_element", TRUE,
"type", bar_type,
- "overlap_percentage", bar_overlap,
+ "overlap_percentage", bar_overlap,
NULL);
label_data = go_data_vector_str_new ((char const * const *)row_labels, data_rows, NULL);
{
@@ -507,6 +511,13 @@
gog_style_set_text_angle (style, 90.0);
}
+ if (y_major_grid) {
+ gog_object_add_by_name(chart,"Grid", NULL);
+ GogObject *object = gog_object_get_child_by_role (
+ chart, gog_object_find_role_by_name (chart, "Y-Axis"));
+ gog_object_add_by_name (GOG_OBJECT (object),"MajorGrid", NULL);
+ }
+
set_chart_titles_from_hash (chart, eb);
set_chart_axis_labels_from_hash (chart, eb);
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