forked from AuroraMiddleware/gtk
Implement new sane, 5-function API for using GtkProgressBar. See
2000-07-25 Havoc Pennington <hp@redhat.com> * gtk/gtkprogressbar.h: Implement new sane, 5-function API for using GtkProgressBar. See Changes-2.0.txt for details. * gtk/gtkprogressbar.c: Add object arguments "fraction" and "pulse_step" which are the equivalent of gtk_progress_bar_set_pulse_step and gtk_progress_bar_set_fraction. Implement new API. * gtk/gtkprogress.h (struct _GtkProgress): Add a field (use_text_format) to mark whether text set on the progress bar is a format string. Deprecate entire GtkProgress interface. * gtk/gtkprogress.c (gtk_progress_init): init use_text_format to TRUE (gtk_progress_build_string): make this a no-op if use_text_format is FALSE * docs/Changes-2.0.txt: Describe progress bar changes.
This commit is contained in:
Havoc Pennington
Havoc Pennington
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commit
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20
ChangeLog
20
ChangeLog
@ -1,3 +1,23 @@
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2000-07-25 Havoc Pennington <hp@redhat.com>
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* gtk/gtkprogressbar.h: Implement new sane, 5-function API for
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using GtkProgressBar. See Changes-2.0.txt for details.
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* gtk/gtkprogressbar.c: Add object arguments "fraction" and
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"pulse_step" which are the equivalent of
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gtk_progress_bar_set_pulse_step and gtk_progress_bar_set_fraction.
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Implement new API.
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* gtk/gtkprogress.h (struct _GtkProgress): Add a field
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(use_text_format) to mark whether text set on the progress bar is
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a format string. Deprecate entire GtkProgress interface.
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* gtk/gtkprogress.c (gtk_progress_init): init use_text_format to TRUE
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(gtk_progress_build_string): make this a no-op if use_text_format
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is FALSE
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* docs/Changes-2.0.txt: Describe progress bar changes.
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2000-07-25 Tor Lillqvist <tml@iki.fi>
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* Makefile.am: Include the build directory.
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@ -1,3 +1,23 @@
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2000-07-25 Havoc Pennington <hp@redhat.com>
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* gtk/gtkprogressbar.h: Implement new sane, 5-function API for
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using GtkProgressBar. See Changes-2.0.txt for details.
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* gtk/gtkprogressbar.c: Add object arguments "fraction" and
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"pulse_step" which are the equivalent of
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gtk_progress_bar_set_pulse_step and gtk_progress_bar_set_fraction.
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Implement new API.
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* gtk/gtkprogress.h (struct _GtkProgress): Add a field
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(use_text_format) to mark whether text set on the progress bar is
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a format string. Deprecate entire GtkProgress interface.
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* gtk/gtkprogress.c (gtk_progress_init): init use_text_format to TRUE
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(gtk_progress_build_string): make this a no-op if use_text_format
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is FALSE
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* docs/Changes-2.0.txt: Describe progress bar changes.
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2000-07-25 Tor Lillqvist <tml@iki.fi>
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* Makefile.am: Include the build directory.
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@ -1,3 +1,23 @@
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2000-07-25 Havoc Pennington <hp@redhat.com>
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* gtk/gtkprogressbar.h: Implement new sane, 5-function API for
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using GtkProgressBar. See Changes-2.0.txt for details.
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* gtk/gtkprogressbar.c: Add object arguments "fraction" and
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"pulse_step" which are the equivalent of
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gtk_progress_bar_set_pulse_step and gtk_progress_bar_set_fraction.
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Implement new API.
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* gtk/gtkprogress.h (struct _GtkProgress): Add a field
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(use_text_format) to mark whether text set on the progress bar is
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a format string. Deprecate entire GtkProgress interface.
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* gtk/gtkprogress.c (gtk_progress_init): init use_text_format to TRUE
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(gtk_progress_build_string): make this a no-op if use_text_format
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is FALSE
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* docs/Changes-2.0.txt: Describe progress bar changes.
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2000-07-25 Tor Lillqvist <tml@iki.fi>
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* Makefile.am: Include the build directory.
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@ -1,3 +1,23 @@
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2000-07-25 Havoc Pennington <hp@redhat.com>
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* gtk/gtkprogressbar.h: Implement new sane, 5-function API for
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using GtkProgressBar. See Changes-2.0.txt for details.
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* gtk/gtkprogressbar.c: Add object arguments "fraction" and
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"pulse_step" which are the equivalent of
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gtk_progress_bar_set_pulse_step and gtk_progress_bar_set_fraction.
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Implement new API.
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* gtk/gtkprogress.h (struct _GtkProgress): Add a field
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(use_text_format) to mark whether text set on the progress bar is
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a format string. Deprecate entire GtkProgress interface.
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* gtk/gtkprogress.c (gtk_progress_init): init use_text_format to TRUE
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(gtk_progress_build_string): make this a no-op if use_text_format
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is FALSE
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* docs/Changes-2.0.txt: Describe progress bar changes.
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2000-07-25 Tor Lillqvist <tml@iki.fi>
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* Makefile.am: Include the build directory.
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@ -1,3 +1,23 @@
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2000-07-25 Havoc Pennington <hp@redhat.com>
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* gtk/gtkprogressbar.h: Implement new sane, 5-function API for
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using GtkProgressBar. See Changes-2.0.txt for details.
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* gtk/gtkprogressbar.c: Add object arguments "fraction" and
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"pulse_step" which are the equivalent of
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gtk_progress_bar_set_pulse_step and gtk_progress_bar_set_fraction.
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Implement new API.
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* gtk/gtkprogress.h (struct _GtkProgress): Add a field
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(use_text_format) to mark whether text set on the progress bar is
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a format string. Deprecate entire GtkProgress interface.
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* gtk/gtkprogress.c (gtk_progress_init): init use_text_format to TRUE
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(gtk_progress_build_string): make this a no-op if use_text_format
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is FALSE
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* docs/Changes-2.0.txt: Describe progress bar changes.
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2000-07-25 Tor Lillqvist <tml@iki.fi>
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* Makefile.am: Include the build directory.
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@ -1,3 +1,23 @@
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2000-07-25 Havoc Pennington <hp@redhat.com>
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* gtk/gtkprogressbar.h: Implement new sane, 5-function API for
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using GtkProgressBar. See Changes-2.0.txt for details.
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* gtk/gtkprogressbar.c: Add object arguments "fraction" and
|
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"pulse_step" which are the equivalent of
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gtk_progress_bar_set_pulse_step and gtk_progress_bar_set_fraction.
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Implement new API.
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* gtk/gtkprogress.h (struct _GtkProgress): Add a field
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(use_text_format) to mark whether text set on the progress bar is
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a format string. Deprecate entire GtkProgress interface.
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* gtk/gtkprogress.c (gtk_progress_init): init use_text_format to TRUE
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(gtk_progress_build_string): make this a no-op if use_text_format
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is FALSE
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* docs/Changes-2.0.txt: Describe progress bar changes.
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2000-07-25 Tor Lillqvist <tml@iki.fi>
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* Makefile.am: Include the build directory.
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@ -1,3 +1,23 @@
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2000-07-25 Havoc Pennington <hp@redhat.com>
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* gtk/gtkprogressbar.h: Implement new sane, 5-function API for
|
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using GtkProgressBar. See Changes-2.0.txt for details.
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* gtk/gtkprogressbar.c: Add object arguments "fraction" and
|
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"pulse_step" which are the equivalent of
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gtk_progress_bar_set_pulse_step and gtk_progress_bar_set_fraction.
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Implement new API.
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* gtk/gtkprogress.h (struct _GtkProgress): Add a field
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(use_text_format) to mark whether text set on the progress bar is
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a format string. Deprecate entire GtkProgress interface.
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* gtk/gtkprogress.c (gtk_progress_init): init use_text_format to TRUE
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(gtk_progress_build_string): make this a no-op if use_text_format
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is FALSE
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* docs/Changes-2.0.txt: Describe progress bar changes.
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2000-07-25 Tor Lillqvist <tml@iki.fi>
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* Makefile.am: Include the build directory.
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@ -189,4 +189,44 @@ Incompatible Changes from GTK+-1.2 to GTK+-1.4:
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to the behavior of gdk_window_foreign_new(), and fixes a lot
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of problems with code where the pixmap wasn't supposed to be
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freed. If XFreePixmap() is needed, it can be done using the
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destroy-notification facilities of g_object_set_data().
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destroy-notification facilities of g_object_set_data().
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- GtkProgress/GtkProgressBar had serious problems in GTK 1.2.
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- Only 3 or 4 functions are really needed for 95% of progress
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interfaces; GtkProgress[Bar] had about 25 functions, and
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didn't even include these 3 or 4.
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- In activity mode, the API involves setting the adjustment
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to any random value, just to have the side effect of
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calling the progress bar update function - the adjustment
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is totally ignored in activity mode
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- You set the activity step as a pixel value, which means to
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set the activity step you basically need to connect to
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size_allocate
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- There are ctree_set_expander_style()-functions, to randomly
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change look-and-feel for no good reason
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- The split between GtkProgress and GtkProgressBar makes no sense
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to me whatsoever.
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This was a big wart on GTK and made people waste lots of time,
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both learning and using the interface.
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So, we have added what we feel is the correct API, and marked all the
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rest deprecated. However, the changes are 100% backward-compatible and
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should break no existing code.
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The following 5 functions are the new programming interface and you
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should consider changing your code to use them:
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void gtk_progress_bar_pulse (GtkProgressBar *pbar);
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void gtk_progress_bar_set_text (GtkProgressBar *pbar,
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const gchar *text);
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void gtk_progress_bar_set_fraction (GtkProgressBar *pbar,
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gfloat fraction);
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void gtk_progress_bar_set_pulse_step (GtkProgressBar *pbar,
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gfloat fraction);
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void gtk_progress_bar_set_orientation (GtkProgressBar *pbar,
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GtkProgressBarOrientation orientation);
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@ -198,6 +198,7 @@ gtk_progress_init (GtkProgress *progress)
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progress->y_align = 0.5;
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progress->show_text = FALSE;
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progress->activity_mode = FALSE;
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progress->use_text_format = TRUE;
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}
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static void
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@ -357,6 +358,13 @@ gtk_progress_build_string (GtkProgress *progress,
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gchar fmt[10];
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src = progress->format;
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/* This is the new supported version of this function */
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if (!progress->use_text_format)
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return g_strdup (src);
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/* And here's all the deprecated goo. */
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dest = buf;
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while (src && *src)
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@ -624,6 +632,11 @@ gtk_progress_set_format_string (GtkProgress *progress,
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g_return_if_fail (progress != NULL);
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g_return_if_fail (GTK_IS_PROGRESS (progress));
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/* Turn on format, in case someone called
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* gtk_progress_bar_set_text() and turned it off.
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*/
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progress->use_text_format = TRUE;
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if (format)
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{
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if (progress->format)
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@ -62,6 +62,7 @@ struct _GtkProgress
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guint show_text : 1;
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guint activity_mode : 1;
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guint use_text_format : 1;
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};
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struct _GtkProgressClass
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@ -73,6 +74,9 @@ struct _GtkProgressClass
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void (* act_mode_enter) (GtkProgress *progress);
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};
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/* This entire interface is deprecated. Use GtkProgressBar
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* directly.
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*/
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GtkType gtk_progress_get_type (void);
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void gtk_progress_set_show_text (GtkProgress *progress,
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@ -52,7 +52,9 @@ enum {
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ARG_BAR_STYLE,
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ARG_ACTIVITY_STEP,
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ARG_ACTIVITY_BLOCKS,
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ARG_DISCRETE_BLOCKS
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ARG_DISCRETE_BLOCKS,
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ARG_FRACTION,
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ARG_PULSE_STEP
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};
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static void gtk_progress_bar_class_init (GtkProgressBarClass *klass);
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@ -130,7 +132,15 @@ gtk_progress_bar_class_init (GtkProgressBarClass *class)
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GTK_TYPE_UINT,
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GTK_ARG_READWRITE,
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ARG_DISCRETE_BLOCKS);
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gtk_object_add_arg_type ("GtkProgressBar::fraction",
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GTK_TYPE_FLOAT,
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GTK_ARG_READWRITE,
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ARG_FRACTION);
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gtk_object_add_arg_type ("GtkProgressBar::pulse_step",
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GTK_TYPE_FLOAT,
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GTK_ARG_READWRITE,
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ARG_FRACTION);
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object_class->set_arg = gtk_progress_bar_set_arg;
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object_class->get_arg = gtk_progress_bar_get_arg;
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@ -148,6 +158,7 @@ gtk_progress_bar_init (GtkProgressBar *pbar)
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pbar->blocks = 10;
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pbar->in_block = -1;
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pbar->orientation = GTK_PROGRESS_LEFT_TO_RIGHT;
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pbar->pulse_fraction = 0.1;
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pbar->activity_pos = 0;
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pbar->activity_dir = 1;
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pbar->activity_step = 3;
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@ -183,6 +194,12 @@ gtk_progress_bar_set_arg (GtkObject *object,
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case ARG_DISCRETE_BLOCKS:
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gtk_progress_bar_set_discrete_blocks (pbar, GTK_VALUE_UINT (*arg));
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break;
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case ARG_FRACTION:
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gtk_progress_bar_set_fraction (pbar, GTK_VALUE_FLOAT (*arg));
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break;
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case ARG_PULSE_STEP:
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gtk_progress_bar_set_pulse_step (pbar, GTK_VALUE_FLOAT (*arg));
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break;
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default:
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break;
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}
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@ -217,6 +234,12 @@ gtk_progress_bar_get_arg (GtkObject *object,
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case ARG_DISCRETE_BLOCKS:
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GTK_VALUE_UINT (*arg) = pbar->blocks;
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break;
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case ARG_FRACTION:
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GTK_VALUE_FLOAT (*arg) = gtk_progress_get_current_percentage (GTK_PROGRESS (pbar));
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break;
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case ARG_PULSE_STEP:
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GTK_VALUE_FLOAT (*arg) = pbar->pulse_fraction;
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break;
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default:
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arg->type = GTK_TYPE_INVALID;
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break;
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@ -266,12 +289,16 @@ gtk_progress_bar_real_update (GtkProgress *progress)
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if (GTK_PROGRESS (pbar)->activity_mode)
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{
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guint size;
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/* advance the block */
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if (pbar->orientation == GTK_PROGRESS_LEFT_TO_RIGHT ||
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pbar->orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
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{
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/* Update our activity step. */
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pbar->activity_step = widget->allocation.width * pbar->pulse_fraction;
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size = MAX (2, widget->allocation.width / pbar->activity_blocks);
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if (pbar->activity_dir == 0)
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@ -298,6 +325,10 @@ gtk_progress_bar_real_update (GtkProgress *progress)
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}
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else
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{
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/* Update our activity step. */
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pbar->activity_step = widget->allocation.height * pbar->pulse_fraction;
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size = MAX (2, widget->allocation.height / pbar->activity_blocks);
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if (pbar->activity_dir == 0)
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@ -746,6 +777,68 @@ gtk_progress_bar_paint (GtkProgress *progress)
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/*******************************************************************/
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void
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gtk_progress_bar_set_fraction (GtkProgressBar *pbar,
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gfloat fraction)
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{
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g_return_if_fail (pbar != NULL);
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g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
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/* If we know the percentage, we don't want activity mode. */
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gtk_progress_set_activity_mode (GTK_PROGRESS (pbar), FALSE);
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/* We use the deprecated GtkProgress interface internally.
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* Once everything's been deprecated for a good long time,
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* we can clean up all this code.
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*/
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gtk_progress_set_percentage (GTK_PROGRESS (pbar), fraction);
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}
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void
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gtk_progress_bar_pulse (GtkProgressBar *pbar)
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{
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g_return_if_fail (pbar != NULL);
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g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
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/* If we don't know the percentage, we must want activity mode. */
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gtk_progress_set_activity_mode (GTK_PROGRESS (pbar), TRUE);
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/* Sigh. */
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gtk_progress_bar_real_update (GTK_PROGRESS (pbar));
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}
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void
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gtk_progress_bar_set_text (GtkProgressBar *pbar,
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const gchar *text)
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{
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g_return_if_fail (pbar != NULL);
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g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
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/* We don't support formats in this interface */
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GTK_PROGRESS (pbar)->use_text_format = FALSE;
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if (text && *text)
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{
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gtk_progress_set_show_text (GTK_PROGRESS (pbar), TRUE);
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gtk_progress_set_format_string (GTK_PROGRESS (pbar), text);
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}
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else
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{
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gtk_progress_set_show_text (GTK_PROGRESS (pbar), FALSE);
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gtk_progress_set_format_string (GTK_PROGRESS (pbar), "");
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}
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}
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void
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gtk_progress_bar_set_pulse_step (GtkProgressBar *pbar,
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gfloat fraction)
|
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{
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g_return_if_fail (pbar != NULL);
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g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
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pbar->pulse_fraction = fraction;
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}
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void
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gtk_progress_bar_update (GtkProgressBar *pbar,
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gfloat percentage)
|
||||
@ -753,10 +846,9 @@ gtk_progress_bar_update (GtkProgressBar *pbar,
|
||||
g_return_if_fail (pbar != NULL);
|
||||
g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
|
||||
|
||||
/***********************************************************************
|
||||
* Use of gtk_progress_bar_update() is deprecated ! *
|
||||
* Use gtk_progress_set_value or gtk_progress_set_percentage instead. *
|
||||
***********************************************************************/
|
||||
/* Use of gtk_progress_bar_update() is deprecated !
|
||||
* Use gtk_progress_bar_set_percentage ()
|
||||
*/
|
||||
|
||||
gtk_progress_set_percentage (GTK_PROGRESS (pbar), percentage);
|
||||
}
|
||||
|
||||
@ -75,6 +75,9 @@ struct _GtkProgressBar
|
||||
gint activity_pos;
|
||||
guint activity_step;
|
||||
guint activity_blocks;
|
||||
|
||||
gfloat pulse_fraction;
|
||||
|
||||
guint activity_dir : 1;
|
||||
};
|
||||
|
||||
@ -86,21 +89,62 @@ struct _GtkProgressBarClass
|
||||
|
||||
GtkType gtk_progress_bar_get_type (void);
|
||||
GtkWidget* gtk_progress_bar_new (void);
|
||||
|
||||
/*
|
||||
* GtkProgress/GtkProgressBar had serious problems in GTK 1.2.
|
||||
*
|
||||
* - Only 3 or 4 functions are really needed for 95% of progress
|
||||
* interfaces; GtkProgress[Bar] had about 25 functions, and
|
||||
* didn't even include these 3 or 4.
|
||||
* - In activity mode, the API involves setting the adjustment
|
||||
* to any random value, just to have the side effect of
|
||||
* calling the progress bar update function - the adjustment
|
||||
* is totally ignored in activity mode
|
||||
* - You set the activity step as a pixel value, which means to
|
||||
* set the activity step you basically need to connect to
|
||||
* size_allocate
|
||||
* - There are ctree_set_expander_style()-functions, to randomly
|
||||
* change look-and-feel for no good reason
|
||||
* - The split between GtkProgress and GtkProgressBar makes no sense
|
||||
* to me whatsoever.
|
||||
*
|
||||
* This was a big wart on GTK and made people waste lots of time,
|
||||
* both learning and using the interface.
|
||||
*
|
||||
* So, I have added what I feel is the correct API, and marked all the
|
||||
* rest deprecated. However, the changes are 100% backward-compatible and
|
||||
* should break no existing code.
|
||||
*
|
||||
* The following 5 functions are the new programming interface.
|
||||
*/
|
||||
void gtk_progress_bar_pulse (GtkProgressBar *pbar);
|
||||
void gtk_progress_bar_set_text (GtkProgressBar *pbar,
|
||||
const gchar *text);
|
||||
void gtk_progress_bar_set_fraction (GtkProgressBar *pbar,
|
||||
gfloat fraction);
|
||||
|
||||
void gtk_progress_bar_set_pulse_step (GtkProgressBar *pbar,
|
||||
gfloat fraction);
|
||||
void gtk_progress_bar_set_orientation (GtkProgressBar *pbar,
|
||||
GtkProgressBarOrientation orientation);
|
||||
|
||||
/* Everything below here is deprecated */
|
||||
GtkWidget* gtk_progress_bar_new_with_adjustment (GtkAdjustment *adjustment);
|
||||
void gtk_progress_bar_set_bar_style (GtkProgressBar *pbar,
|
||||
GtkProgressBarStyle style);
|
||||
void gtk_progress_bar_set_discrete_blocks (GtkProgressBar *pbar,
|
||||
guint blocks);
|
||||
/* set_activity_step() is not only deprecated, it doesn't even work.
|
||||
* (Of course, it wasn't usable anyway, you had to set it from a size_allocate
|
||||
* handler or something)
|
||||
*/
|
||||
void gtk_progress_bar_set_activity_step (GtkProgressBar *pbar,
|
||||
guint step);
|
||||
void gtk_progress_bar_set_activity_blocks (GtkProgressBar *pbar,
|
||||
guint blocks);
|
||||
void gtk_progress_bar_set_orientation (GtkProgressBar *pbar,
|
||||
GtkProgressBarOrientation orientation);
|
||||
void gtk_progress_bar_update (GtkProgressBar *pbar,
|
||||
gfloat percentage);
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user