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ChangeLog
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2012-11-8 (0.9.2.0)
- There has been a huge amount of change since the last release...
There are many new graphing methods, such as offset bars, region plots.
There are a large number of enhancements to ruler displays including
various methods to shift tick marks, set manual labels and many many
other options. Have a look at the examples for rulers, and basics2
here is the git log ...
commit 49b41abef695f416846c56b675627156ecf19e9d
Author: Matt Flax <flatmax@monstilationax.(none)>
Date: Thu Nov 8 22:10:31 2012 -0600
Moved stale documentation to the old directory.
Created Doxygen documentation ... slightly easier to manage.
New documentation is in api/html
commit e6d55a986edd9c16227aa6db9b19d0704dc77c3f
Author: Matt Flax <[email protected]>
Date: Fri Sep 7 15:13:55 2012 -0500
Added a function to give ticks horizontal pixel offsets.
You can now move ticks left and right within the ruler.
These functions are :
void gtk_databox_ruler_set_text_hoffset (GtkDataboxRuler * ruler,gint offset);
gint gtk_databox_ruler_get_text_hoffset (GtkDataboxRuler * ruler);
commit 4bed6683da41f692ccad4ad009defbde14d9bd98
Author: Matt Flax <[email protected]>
Date: Tue Jul 31 08:34:25 2012 -0500
Added Lars-Peter Clausen <lars@> fix for the following error :
The 'hide' property is registered with the 'size' property's id. As a result
changing the 'hide' property using glib's property system will change the 'size'
property instead.
commit d5440b1cee1646fff7488dc8e557a42f09d9d3ca
Author: Matt Flax <[email protected]>
Date: Wed Jul 25 14:15:53 2012 -0500
Added a box shodow feature to the gtkdatabox main graphing pixmap. The main data graph window can now have a box specified using the GtkShadowType enumeration - as for rulers.
Added text alignment for vertical rulers with horizontal text.
Labels are aligned using PANGO_ALIGN_RIGHT, PANGO_ALIGN_CENTER, PANGO_ALIGN_LEFT.
commit 849a5cf214be2047d053d45b1a2b16ee17c34f79
Author: Matt Flax <[email protected]>
Date: Wed Jul 18 11:05:48 2012 -0500
Added a no shadow example to the rulers.c
commit f01837c0c0bee04a62179d762109bae9a851c38c
Author: Matt Flax <[email protected]>
Date: Wed Jul 18 10:47:03 2012 -0500
Added the ability to change the shadowing on the ruler boxes. You can now set to one of GTK_SHADOW_NONE, GTK_SHADOW_IN, GTK_SHADOW_OUT, GTK_SHADOW_ETCHED_IN, GTK_SHADOW_ETCHED_OUT.
Fixed label alignment for the case when there are no ticks. The labels now align where the tick marks would have been.
Added myself to copyright on the files I added to the project.
commit a76a511f657de8115b92765d4704d5ee9ac57363
Author: Matt Flax <[email protected]>
Date: Sat Jul 14 11:29:39 2012 -0500
Added a C++ Gtk+IOStream.C example use of GtkDataBox to the examples directory.
commit cb5df87f829f8d043ac617f2f78a1305d2b50a9d
Author: Matt Flax <[email protected]>
Date: Thu May 24 16:21:47 2012 -0500
Removed old patch errors.
commit 87bda0ce2171404b675a6441708775390b05d4fb
Author: Matt Flax <[email protected]>
Date: Thu May 24 11:59:28 2012 -0500
Altered te gitignore file and removed various autogenerated files - as requested by lars-peter Clausen
commit e04801e2d1110051c5ccbe5adfeed2b4ee07fe6a
Author: Matt Flax <[email protected]>
Date: Wed May 23 13:45:51 2012 -0500
removed old archives which exist in the .git history
commit 21af1e485e5f2fcf2d4da824ecf621b20032858c
Author: Matt Flax <[email protected]>
Date: Wed May 23 13:43:25 2012 -0500
Archived the VC++ project to reduce space.
commit 66cf9e02e7c3cdf44199058930ab7c6146524bce
Author: U-EEE\_ <_@eee.(none)>
Date: Wed May 23 13:40:42 2012 -0500
Added changes to get the system compiling to a static library in VC++
commit 936dcd9483df2e4af7f1e98aa97d59b69a5b9b78
Author: Matt Flax <[email protected]>
Date: Mon Apr 23 13:15:24 2012 -0500
Fixed a bug where arrows were displayed when the draw_position flag was set to false.
commit d2a5883f8a6b1c0248b4f630e3d5ab8c7fed0f6a
Author: Matt Flax <[email protected]>
Date: Mon Apr 16 17:26:39 2012 -0500
set cleared pointers to NULL to avoid problems in accessing unreffed object pointers.
commit 979b452720c37818ed224abd7098599f379e2efe
Author: Matt Flax <[email protected]>
Date: Mon Apr 16 17:16:49 2012 -0500
Got rid of debugging printf statements.
Minor changes and removal of un-necessary freezes.
commit 8c53bab1eafb830cc869e4987937eb77d22cd5e3
Author: Matt Flax <[email protected]>
Date: Fri Apr 13 16:57:49 2012 -0500
Added the option to disable ruler position indicators and updates.
Isolated major bug in the unrealize functions where priv members were freed.
Now fixed.
Various other minor fixes.
commit 405df94e621ceb29d71ab2d77b9a4a56c09e99db
Author: Matt Flax <[email protected]>
Date: Fri Apr 6 08:42:58 2012 -0500
removed a spurious printf statemnt.
commit bd5872cb15944bc7a2d00054caed758e046dcdbb
Author: Matt Flax <[email protected]>
Date: Thu Apr 5 16:59:07 2012 -0500
Added various realized and unrealized fixes for gtkdatabox and gtkdatabox_ruler
Other minor changes.
commit 53a408b3074309df87c4fd91f9098876280f5310
Author: Matt Flax <[email protected]>
Date: Wed Mar 28 10:16:01 2012 -0600
Added the ability to manually set tick labels at particular tick locations.
Standard tick formatting is now expanded to handle formatting ticks of length 1 character. Previously it was limited to not be able to display formats as short as one character.
examples/rulers demonstrates this new feature.
Added manual tick labels example to box[2] in examples/rulers.c
gtkdatabox_ruler.c now has the various manual_tick_label variable, functions and properties for setting manual tick labels.
commit 57a0a6a88eec9f08d4fed444409a67a57815116f
Author: Matt Flax <[email protected]>
Date: Wed Mar 21 13:21:59 2012 -0500
Added the option to remove tick marks all together (still retains labels).
commit 7bfcd71274085711e8a31fe7b449ee6c541a7e5b
Author: Matt Flax <[email protected]>
Date: Tue Mar 20 16:51:31 2012 -0500
Fixed a bug in the manual x axis tick placement.
commit e8246cdecfa2bb1159ca5924c1efc1e0168671ca
Author: Matt Flax <[email protected]>
Date: Tue Mar 20 11:54:54 2012 -0500
Added the option to manually specify tick label locations.
The functions are gtk_databox_ruler_set_manual_tick_cnt and gtk_databox_ruler_set_manual_ticks.
There is an example in examples/rulers
commit 59292ffa5be4699621fecdfb06ca166a2ebf24c8
Author: Matt Flax <[email protected]>
Date: Mon Mar 19 17:58:30 2012 -0500
Fixed a bug in gtkdatabox_regions where g_object_new wasn't terminated with NULL.
Altered hline_vals and vline_vals to no longer be global static variables. They are now proper object properties in gtkdatabox_grid.
commit 646d9db0ae3703ac998709774201677ef17b5a0f
Author: Matt Flax <[email protected]>
Date: Fri Mar 16 17:08:37 2012 -0500
New ruler features. Shown in examples/rulers.c
Rulers may new reside on opposite sides to where they normally do (gtk_databox_ruler_set_invert_edge).
Ruler label formatting may be specified (gtk_databox_ruler_set_linear_label_format and gtk_databox_ruler_set_log_label_format).
gtkdatabox plots may now be started with the rulers on the opposite sides (gtk_databox_create_box_with_scrollbars_and_rulers_positioned).
commit 8c8282056172e435cc42ba94a64831b552849d30
Author: Matt Flax <[email protected]>
Date: Thu Mar 15 17:45:54 2012 -0500
Added new features to rulers.
Rulers can now be displayed without subtick marks.
Y rulers can now be displayed with horizontal text.
commit 93a97a29c993de25fa20c427cabf6e751bac2c29
Author: Matt Flax <[email protected]>
Date: Tue Mar 13 16:54:02 2012 -0500
Added a double button press handler - when the button is pressed twice, it emulates button 3.
This allows touch screens to zoom out.
commit cfdbca298f43f67cdb718930bc5282f373bec783
Author: Matt Flax <flatmax@flatmax.(none)>
Date: Tue Mar 6 10:22:20 2012 -0600
Removed the redundant size variable from gtkdatabox_regions_new
commit f39a4985637d1af85fa26f49288cd1b1d5292d98
Author: Matt Flax <[email protected]>
Date: Thu Mar 1 15:52:38 2012 +1100
Added offset_bar plotting.
Added region plotting.
Both offset_bar and region plots are now demonstrated in the basics2.c example file.
Added the new source code files to the gtk/Makefile.am
Removed a redundant variable 'GdkPoint *xyc_graph;' from the gtkdatabox_xyc_graph.
Added the function 'gtk_databox_graph_add_front' to plot ontop of everything else already plotted.
Added the new gtkdatabox_xyyc_graph which allows plots with two y co-ordinates for each x ordinate.
commit cc787640589f99bcb206875612ebd33079bab5a8
Author: Matt Flax <[email protected]>
Date: Thu Mar 1 15:38:39 2012 +1100
Another commit to remove auto-generated files.
This is done to make diffs a little simpler to read.
commit 12499c3d7ccafd2da5ab1745be131461778f88e3
Author: Matt Flax <[email protected]>
Date: Thu Mar 1 15:17:23 2012 +1100
Removed all binaries and other files which make 'git diff' confusing to look at.
commit ca0f688034c54516c1000d20836ddaadb6f43ac9
Author: Brian R Phelps <[email protected]>
Date: Fri Oct 14 17:23:56 2011 -0400
Applied debian patches for deprecated function calls
2011-07-15 (0.9.1.3)
-Patch to allow building on newer gtk versions. Submitted by Thomas
Stover. GTK_WIDGET_STATE, GTK_WIDGET_DRAWABLE, GTK_WIDGET_STATE,
GTK_WIDGET_VISIBLE are deprecated and need replacing with
gtk_widget_get_<function>
-Updated basics example to demonstrate scroll-wheel functions
2011-07-15 (0.9.1.2)
scrollwheel zooms
2009-05-10 (0.9.1.1)
-Patch which replaces the static grid value arrays by
per-object arrays (adding appropriate get/set functions and object
properties). In addition to being better style this also allows users
to define more than one grid with their own values.
2009-04-15 (0.9.1.0)
- This project now has a new maintainer, Brian R Phelps. He can be
reached at lm317t at gmail dot com
- Added log base 2 support to the scale/ruler libraries
- In gtkdatabox.c I Copied log10 code and pasted, it
after the linear code replacing log10 calls with log2
- In gtkdatabox_grid.c, added in support for assigning grid
values, instead of the default automatic assign done heuristically
by the library.
- Uses a new API GtkDataboxGraph *gtk_databox_grid_array_new
(gint hlines, gint vlines, gfloat *hline_vals, gfloat *vline_vals, GdkColor * color, guint size);
- These are not done using the same coding style priv->val
because I could not figure out how to make this work properly.
Instead I used a global gfloat pointer defaulted to NULL for
these arrays. The NULL value is used to determine if grid
values are displayed from the array or heuristically
- In gtkdatabox_scale, copied log10 code and pasted, it after the linear
code replacing log10 calls with log2
- Updated all headers to reflect new API change (see diff)
-Added documentation for the new function
-Added example for grid_array, added example for log2 in the
logarithmic examples
2008-05-13 (0.9.0.0)
- Added reference documentation via GtkDoc! Finally :-)
- Interface changes, inspired by the documentation:
- removed gtk_databox_redraw(). Please use gtk_widget_queue_draw()
- gtk_databox_graph_add(), gtk_databox_graph_remove(),
gtk_databox_graph_remove_all() now return gint instead
of gboolean or void (0 == success).
- Renamed signals (removed the "databox_" prefix and changed
cancelled (British) to canceled (US) and harmonized:
zoomed, selection_started, selection-changed, selection-finalized,
selection-canceled.
- Harmonized all horizontal/vertical things to x/y:
gtk_databox_set_hadjustment() => gtk_databox_set_adjustment_x()
gtk_databox_set_vadjustment() => gtk_databox_set_adjustment_y()
gtk_databox_get_hadjustment() => gtk_databox_get_adjustment_x()
gtk_databox_get_vadjustment() => gtk_databox_get_adjustment_y()
gtk_databox_set_hruler() => gtk_databox_set_ruler_x()
gtk_databox_set_vruler() => gtk_databox_set_ruler_y()
gtk_databox_get_hruler() => gtk_databox_get_ruler_x()
gtk_databox_get_vruler() => gtk_databox_get_ruler_y()
- Harmonized property names:
adjustment-x, adjustment-y, ruler-x, ruler-y, scale-type-x,
scale-type-y, enable-selection, enable-zoom
- Renamed GtkDataboxMarker to GtkDataboxMarkers (plural). This is
now consistent with GtkDataboxPoints, GtkDataboxLines and
GtkDataboxBars. If you use GtkDataboxMarkers, you need to replace
s/marker/markers/g
s/Marker/Markers/g
s/MARKER/MARKERS/g
s/GtkDataboxText/GtkDataboxMarkersText/g
s/GTK_DATABOX_TEXT/GTK_DATABOX_MARKERS_TEXT/g
- moved GtkDataboxGraph@gc into GtkDataboxGraph@priv, introduced
gtk_databox_graph_get_gc() and gtk_databox_graph_set_gc().
- GtkDatabox inherits from GtkWidget directly instead of
GtkDrawingArea.
- Other changes:
- gtk_databox_auto_rescale now also works in case of data which has
zero width and/or zero height.
- BugFixes
- gtk_databox_graph_set_size now actually changes the line width
(thanks to Jim George)
2007-12-30 (0.8.2.2)
- Small bug fixes (hints by Brian Phelbs)
- Corrected internal signal definition.
2007-12-20 (0.8.2.1)
- Corrected configuration file for pkg-config.
2007-12-09 (0.8.2.0)
- Removal of struct GtkDataboxValue
- Introduction of struct GtkDataboxValueRectangle
- Results:
- Changed selection signal API (instead of two pairs of pixel
coordinates, now one struct of "real" values is sent with the
signal). Since most applications are interested in values instead
of pixels, this should simplify application code. It also should
eliminate signal marshaller problems.
- the set/get limits functions use parameters, left, right, top and
bottom instead of top_left and bottom_right (which led to much
confusion in the past).
- similar with the get_extrema_function
- in order to transform pixel coordinates into values and vice
versa, there are now four functions:
gtk_databox_value_to_pixel_x
gtk_databox_value_to_pixel_y
gtk_databox_pixel_to_value_x
gtk_databox_pixel_to_value_y
2007-12-06 (0.8.1.1)
- Configure script and Makefile changes (mainly thanks to Hans
Nieuwenhuis)
2007-12-04 (0.8.1.0)
- Configure script now checks for pango and cairo (thanks to Brian
Phelps)
- Support for glade added (thanks to Hans Nieuwenhuis)
2007-11-26 (0.8.0.1)
- Maintenance release (Code cleanup, based on hints from
Fabian Foerg.
2007-11-25 (0.8.0.0)
- Added support for logarithmic scales for drawing
- Replaced original gtkruler with gtkdatabox_ruler.
- GtkDataboxRuler supports logarithmic scales
- Instead of HRuler and VRuler, GtkDataboxRuler has an orientation
- No big changes in existing projects required, see examples
- renamed the following functions:
gtk_databox_get_canvas => gtk_databox_get_total_limits
gtk_databox_set_canvas => gtk_databox_set_total_limits
gtk_databox_get_visible_canvas => gtk_databox_get_visible_limits
gtk_databox_set_visible_canvas => gtk_databox_set_visible_limits
- replaced GtkDataboxCoord by GdkPoint (which is just the same)
- Added example which shows linear, logarithmic and double logarithmic
graphs
- Added example which shows easiest way to start with GtkDatabox
2006-08-10 (0.7.0.0)
- Added -W to the compile options in addition to -Wall and -pedantic
Thanks to Fabian Foerg for the hint.
- Adjusted code to get rid of most of the remaining warnings
- very small interface change: lengths of datasets for points,
lines, bars, etc are now guint instead of int
2006-08-06 (0.6.0.0)
- Has nobody ever installed the library?
I wonder how the hundreds of people could work with the library?
By my understanding, the include paths were wrong.
Thanks to Andreas Tille for the hint.
(I do hope that not suddenly hundreds of users cannot use the
library anymore after this change!)
- Changed the include paths in all .c and .h files for gtkdatabox*.h
2006-08-01 (0.5.3.1)
- There is now a mailinglist for GtkDatabox! It is hosted by the
Gnome Project and maintained by José Romildo Malaquias. Thanks a lot!
2006-07-15
- three more changes to get rid of warnings that my old compiler
did not even show. Thanks to Fabian Foerg.
2006-05-27
- added -pedantic to the compile flags and adjusted code to be
accepted without warnings
2006-04-24 (0.5.3.0)
- added a new example (keycontrol) based on ideas by Alain Vigne
- fixed a bug in gtkdatabox_marker_set_label (text did not change after
being set the first time)
- added functions to public interface
gtk_databox_zoom_to_selection
gtk_databox_zoom_out
gtk_databox_zoom_home
2006-04-01 (0.5.2.0)
- some further code cleanups
2006-03-26 (0.5.1.0)
- some cosmetic interface adjustments for clarity and ease of
use (thanks to Amish S. Dave for several hints):
- gtk_databox_graph_remove now takes a graph as argument instead of
the "index" of the graph within the GtkDatabox widget.
- gtk_databox_graph_remove_all added; it removes all graphs
- (set|get)[_visible]_extrema have been renamed into
(set|get)[_visible]_canvas, since you don't set/get the extrema but
the corner values of the displayed data.
- added another property to the GtkDatabox class: "hide" determines
wether a graph is drawn or not. There also are the appropriate
gtk_databox_graph_(set|get)_hide methods. The default value for
"hide" is FALSE, meaning that the graph is displayed.
- did some magic to speed up line drawing. To be honest, I do not know
why this is faster now: if line width is 1, it is set to 0 in the
GC and it is twice as fast on my machine... (if you are interested,
play around with the code in gtkdatabox_graph.c (and if you find
the explanation, please tell me))
2006-03-20 (0.5.0.0)
- everything is new.
- well, not "everything"...
- but most of it
- there is no need to worry, you will find that migrating
is rather easy (and starting with the widget is easy, too)
- There were a lot of inconsistencies in handling data and special
functions (like grid or markers or coordinate cross) for display.
These are now resolved by the introduction of a graph class:
Instead of giving GtkDatabox widgets data for display, and associate
drawing functions with the data, you now add graphs for display.
There are various classes that inherit from the basic graph class.
These classes now handle data (if they need data) and can be
configured according to their features.
See examples/*.c for getting the picture. It is quite easy to
change from old versions. Please ask, if you have any problems.
There is a clearly defined way for adding customized drawing
functions, now. Just create a class derived from the graph class,
and you are ready to go.
- There were a lot of functions and special features (e.g. setting
the background color or the cursor) included in the older versions
due to the fact that GtkDatabox was a composite widget. This has
changed. GtkDatabox does not automatically come with scrollbars
and rulers attached to it. You can now access the "databox" itself
directly without using any internal data of the widget.
For ease of use, there is a function for creating a GtkDatabox widget
with scrollbars and rulers, though :-)
- rescaling has received a rehawl, too. Setting total extrema and
visible extrema is now easily possible.
- a gtkdatabox.spec for creating RPM files is included, now, thanks
to Eric
- A lot of small things, too.
- A riddle is included, as well: Why on earth is drawing lines about
50% slower than it used to be? I have no idea, as of now.
- In the source code "@@@" marks passages which I doubt to be correct
2006-01-02 (0.4.0.2)
- Bugfixes (Thanks to Muppet)
2005-08-29 (0.4.0.1)
- Bugfixes
- added functions for configuring the cursor for the drawing area.
2005-08-28 (0.4.0.0)
- GtkDatabox now supports the addition of new drawing functions
even at runtime
- added drawing functions for markers and texts (Thanks to
Juan Carlos Remis)
- added example for using markers and texts
- added functions to enable and disable horizontal and vertical
rulers and scrollbars separately (Thanks to C.James Callaway)
- Moved all drawing functions to separate files
- Slightly changed interface for the grid functions (Sorry, but
the whole stuff is now much more streamlined than before)
- Removed one of the grid examples
- Fixed a bug in the rescaling functionality (possible segmentation
fault when data has been removed)
2005-08-09 (0.3.0.0)
- added support for pkg-config (Thanks to Lance Dillon)
- fixed a bug in gtk_databox_data_remove (Thanks to Thomas Henkel)
- removed the following functions:
gint gtk_databox_data_destroy
gint gtk_databox_data_destroy_all
gtk_databox_data_add_x
gtk_databox_data_add_y
The destroy functions were deprecated in several versions now.
Releasing data should be handled outside gtkdatabox, because the
allocation of the data is happening outside of it.
The ...add_x and ...add_y functions have also been removed, since
it does not make much of a difference whether you use a pointer or
a gint value as a parameter. Thus, these two functions did not make
very much sense.
- renamed gtk_databox_data_add_x_y to gtk_databox_data_add
Since the other ...add_[xy] functions are removed, there is no need
to specify what data is to be added in this function.
- Sorry for the work you have to do due to interface changes. These
are the first interface changes in years and I think they making
the interface leaner and easier to use.
2005-05-05 (0.2.4.7)
- updated libtool to 1.5.16
- modified signals example to show coordinate values in the window
2005-04-29 (0.2.4.6)
- replaced GtkItemFactory stuff (deprecated in gtk+-2.6)
from colors example. Thanks to Olivier Hervieu.
2004-05-01 (0.2.4.5)
- fixed a bug that left rulers in a senseless state when they
were disabled and enabled without delay. Thanks to Sven Garbade.
2004-04-24 (0.2.4.4)
- changed grid positions from gint to float. Thanks to Jesse B. Forsmann
2004-01-18 (0.2.4.3)
- added function for inverting X and Y scales (idea by Andrej Prsa)
gtk_databox_rescale_inverted
2003-10-19
- Corrected two small bugs in the gtk_databox_draw_grid function,
reported by A.J. Aranyosi.
2003-10-11
- Run all code through indent. Much nicer now (especially the examples).
- Added background color to some of the examples
- re-animated the old colors example
2003-09-24
- Added gtk_databox_set_background_color
2002-05-27
- Changed the various show/hide/enable/disable functions to
set_xxx_enable. They also have their get_xxx_enable counterpart,
which now allows you to check the current status
- Fixed a bug that let parts of old selection boxes remain under
certain circumstances
- Changed some internal variable/function names for better consistence
2002-05-26
- Testing and cleanup for 0.2.3.0
2002-05-21
- Added another example to demonstrate the show/hide functions
2002-05-20
- Fixed another bug detected by Mario Motta (widget crashed
when rulers were removed)
- Eliminated all functions of glib and gtk that are deprecated
- Corrected mis-spelled cancelled signal
2002-05-13
- Fixed a bug detected by Mario Motta (ruler positions were
not updated correctly)
- Signal handlers now return FALSE according to GTK+ policies
(hint by Mario Motta, too)
2002-05-11
- Ooops, GTK is LGPL'd. I have therefore changed to LGPL (again)
2002-05-05
- preparing GtkDatabox-0.2.0.5 for release
- Realising that I had a mixture of some files saying that
GtkDatabox is provided under LGPL, some saying GPL, I now
changed everything to GPL. If you want to use GtkDatabox in
non-free software, please use one of the older versions or
contact me for a special licence for you.
- the website has been given a cleanup
- Added GPL-link
2002-05-04
- added a bunch of comments to the header file.
- removed a few small bugs that made selection boxes stay even
when the selection was canceled
- added new examples
2002-04-13
Major cleanup.
- Compatibility with Gtk+-2.0.0
- Grid and Coordinate System are now "data types"
- removed deprecated functions
- range checks (only draw inside window) have been removed for two
reasons:
a) The code was looking terrible and was practically not maintainable
b) The code was not completly correct
A reason to re-implement the stuff is that line drawing is
definitly slower than before when you zoom far into the data.
2001-12-16 Ooops, time flies :-)
Following a suggestion by Stefan Doehla, an optional grid
has been added (like in an oscilloscope).
The corresponing functions are:
gtk_databox_show_grid
gtk_databox_hide_grid
2000-03-19 Modified the non flickering selection to allow for unfilled
rectangles as selection marked again
Added four new functions (idea by Paul Kienzle):
gtk_databox_enable_selection
gtk_databox_disable_selection
gtk_databox_show_selection_filled
gtk_databox_hide_selection_filled
These functions allow to enable (default) or disable the selection
of an area of the box, and whether this area is marked with a filled
or unfilled (default) rectangle.
Selections are now allways started with height and width zero.
Range checks (do not draw things that are outside the window) now
only occur, when you zoom into the data a certain amount, which may
be set via
gtk_databox_set_range_check_threshold(GtkDatabox *box, gfloat threshold)
Default value for threshold is 0.25, meaning, that if you zoom into
the data an display less than a quarter of the complete set, range
checks occur. Settig threshold to zero, disables range checks
completely. The best value (fastest drawing) depends on the data.
2000-03-01 Changed to ISO dates for the ChangeLog.
Imported some nice changes by Paul Kienzle
([email protected]) who removed the flickering of the
selection box.
08.06.99 Removed some errors from gtk_databox_destroy and gtk_databox_remove
that resulted in loss of data or too early removal of shared X or Y
data
23.09.99 Memory allocation bug fix in GTK_DATABOX_BARS
freeing of segments pointer removed
19.05.99 gtk_databox_set_color() and gtk_databox_get_color now return 0 on
success and -1 on failure instead of void
Drawing style of data may now be changed or investigated by two new
functions
gtk_databox_set_data_style() and gtk_databox_get_data_style()
Nothing special about that, I guess
11.05.99 Inconsistencies in LINES style have been removed.
Former solution did not draw lines to points outside the drawing
area to avoid possible overflow errors.
Now the points are connected by segments. If one or two points are
outside the drawing area, the part of line between the points inside
the drawing area is calculated and displayed. This might need some
further effort to get really smooth, but at least it is much better
than before :-)
09.05.99 Changed comments from // to /**/ to remove problems on some systems
Several small bugs fixed
(Remove data now returns -1 on error)
Rulers and Scrollbars are now destroyed instead of hidden (much
cleaner solution)
24.03.99 Several bugs fixed, better implemetation of signals for use with
Gtk--.
Third party wrappers for Gtk-- and VDK have been developed
and are now available. Take a look at the Web-Site for more
information.
http://www.eudoxos.net/gtk/gtkdatabox/
http://www.eudoxos.de/gtk/gtkdatabox/
A new drawing mode has been implemented. The value of this drawing
type is GTK_DATABOX_BARS.
Bars that rise (or drop)
from X-Axis. An example has been added to the test program
11.03.99 Lots of bugfixes, added some signals
gtk_databox_marked
gtk_databox_selection_started
gtk_databox_selection_changed
gtk_databox_selection_stopped
gtk_databox_selection_canceled
Added an example for the signals to the test program
06.03.99 +
07.03.99 Rewrite of most functions, scrolling, rulers and display are now
more clearly structured, fixed some memory leaks, the 3D-functions
and data model have been dropped completely (too much inconsistency)
data model is now hidden from the user, interface functions are now
available.
Scrolling, zoom, rulers and cross are now optional to use.
Complete rewrite of the example program.
Some additions to the Makefile.am files that add the correct
dependencies to the library (hopefully)
jan-mar 99 Unlogged changes, mostly notable the patch by Walter Brisken,
that adds rulers to the widget
17.12.98 Announcement of GtkDatabox on gtk-list and gtk-app-devel-list
Thanks to Andreas Tille, who encouraged
me to create a nice example program and who rewrote the configure
script so that GtkDatabox may be linked dynamically now.
08.12.98 Tearoff. GtkDatabox is it's own project now.
29.11.98 Incorporated slightly changed changes of Andreas Tille and his
example program.
28.11.98 First Contact. Andreas Tille
introduces some changes to GtkDatabox.
These are a function to set colors and a new style of representing
data with coordinates.
01.11.98 Using gdk_draw_points instead of gdk_draw_point speeds the program
up, even with Win95
20.10.98 Succeeded to compile gfit with Windoze. Slow is the only word that
fits.
05.10.98 Up to 7 columns of data are supported right now. Automatic color
generation for more columns is planned (and necessary as the program
would die with more columns)
04.10.98 Opened the project for gtk-app-devel-list
30.09.98 GTK_TYPE_OPTION_MENU and Item Factory problems solved after some
questions to gtk-app-devel-list
24.09.98 Changes for gtk+-1.1.2
Still have problems with GTK_TYPE_OPTION_MENU and Item Factory...
15.09.98 Creating databox widget with scrollbars
13.09.98 Start of the gfit project with gtk+-1.1.1