The old function ended up returning the length of the string when pos
was zero. This caused it to insert characters at the end when the
cursor was at the beginning of the string.
If an unbound control key is pressed (such as Ctrl+R) it would insert
a rectangle into the text.
Also zero is considered a valid unicode character by
g_unichar_validate so pressing a key such as shift would cause the
current selection to be deleted. The character isn't actually inserted
because insert_unichar disallows zeroes.
The GLES 2 wrapper needs to set up some state before each
draw. Previously this was acheived by wrapping glDrawArrays. Since the
multiple-texture-rectangle branch merge, glDrawElements is used
instead so we also need a wrapper for that.
It was also directly calling glBindTexture. GLES 2 uses a wrapper for
this function so that it can cope with GL_ALPHA format textures. The
format of the current texture needs to be stored as well as the target
and object number for this to work.
The BindingPool constructor should only check for duplicate pools
and then set the :name constructor-only property. If a BindingPool
is created without a name we also make a fuss about it.
It is also possible to simply dispose of a binding pool using
g_object_unref(), as long as it has been created by using
clutter_binding_pool_new() or directly with g_object_new(). Only
BindingPools attached to a class are not owned by the user.
ClutterBindingPool is already "problematic" in terms of memory
management for language bindings and gobject-introspection. It
also lacks a GType.
Turning ClutterBindingPool into a GBoxed would not make much
sense, since it does not adhere to the copy/free semantics. It
could be referenced/unreferenced, but in that case we can just
as well use GObject as a base class instead of reimplemeting
a ref-counted object and then boxing it.
ClutterBindingPool is obviously a terminal class, so we just
hide the instance and class structures.
Add a ClutterStage::queue-redraw signal.
The purpose of this signal is to allow combining the Clutter redraw
idle with another redraw idle such as gtk's (or any other one really;
this is desirable anytime Clutter is not the only thing drawing to
a toplevel window).
To override the default, you would connect to ::queue-redraw and then
stop the signal emission.
By creating an ARGB texture for 24bpp pixmaps we were exposing an undefined
alpha channel to the blending and texture combine stages which resulted in
nasty artefacts. (This issue was seen on i945 + DRI2)
Since we only update the GL viewport when we receive a ConfigureNotify
event on X11, we also need a function to allow other toolkits to tell
a stage that the viewport should be updated.
This commit adds clutter_stage_ensure_viewport(), a function that simply
sets the private SYNC_MATRICES flag on the stage and then queues a
redraw.
This function should be called by libraries integrating Clutter with
other toolkits, like clutter-gtk or clutter-qt.
Continuation of the fix in commit 00a3c69868.
Instead of using a separate flag for the resize process, just
delay the setting of the CLUTTER_ACTOR_SYNC_MATRICES flag on the
stage to the point when we receive a ConfigureNotify event from
X11.
This commit will break the stage embedding into other toolkits.
There is a race condition when we resize a stage before showing
it on X11.
The race goes like this:
- clutter_init() creates the default stage and realize it, which
will cause a 640x480 Window to be created
- call set_size(800, 600) on the stage will cause the Window to be
resized to 800x600
- call show() on the stage for the first time will cause COGL
to set up an 800 by 600 GL viewport
- the Window will be mapped, which will cause X to notify the
window manager that the Window should be resized to 800x600
- the window manager will approve the resize
- X resizes the drawable to 800x600
To fix the race, we need to defer COGL from setting up the viewport
until we receive a ConfigureNotify event and the X server has resized
the Drawable.
In order to defer the call to cogl_setup_viewport() we add a new
private flag, CLUTTER_STAGE_IN_RESIZE; the flag is checked whenever
we need to change the viewport size along with the SYNC_MATRICES
private flag. Thus, cogl_setup_viewport() will be called only if
SYNC_MATRICES is set and IN_RESIZE is not set.
Some of the read-write properties of ClutterText were missing
an implementation in clutter_text_get_property(), as well as
the :position and :selection-bound properties being wrongly
converted from fixed point to integer, passing through floating
point values.
ClutterUnits should not be used interchangeably as, or with
ClutterFixed values. ClutterUnits should also not be assumed
to be integers.
This commit fixes the last few improper usages of ClutterUnit
values, and adds a CLUTTER_UNITS_FORMAT macro for safely printing
ClutterUnit values with printf().
Bug 1289 - Draw multiple glyphs at once
The multiple-texture-rectangle branch adds a new Cogl texture function
called cogl_texture_multiple_rectangles which is used to draw multiple
rectangles out of a texture using a single GL call. This is
significantly faster than drawing the rectangles with individual calls
on some platforms. The Pango renderer now uses this to speed up
rendering.
The conflicts are just due to the whitespace fixes in cb569a5.
Conflicts:
clutter/cogl/gl/cogl-context.c
clutter/cogl/gl/cogl-context.h
clutter/cogl/gl/cogl-texture.c
An editable ClutterText should not use pango_layout_set_markup(),
as the contents of the text actor will not match the text.
Only read-only text actors should parse the contents for Pango
markup.
If the Text actor is neither editable nor has its cursor set
to visible, then we should not be ensuring the cursor position.
This fixes a failure in the conformance test unit for the
layout cache.
Merge branch 'text-actor'
* text-actor: (108 commits)
Re-align ClutterText header file
[text] Fix cursor sizing
Comments and whitespace fixes to ClutterText
[docs] Add newly added :single-line-mode accessors
Update the ignore file
[tests] Add text field interactive test
[text] Add single-line-mode to ClutterText
[text] Fix the deletion actions
[text] Use cached length when possible
[tests] Add unit for the ClutterText:password-char property
[docs] Update the Text section
[text] Coalesce text visibility and password character
Allow localizations to change the text direction
Clean up the update_pango_context() function
Pass the PangoContext, not the MainContext
Revert the logic of the PangoContext check
Remove the binding pool entry from the list
Remove BindingPool::list_actions()
Add ClutterActor::create_pango_context()
Rename the PangoContext creation functions
...
The cursor should be slightly smaller than the height of the actor, to
allow for painting a border. Let's pad it by 1 pixel on the top and 1
on the bottom.
Also, we should use the cursor size everywhere and not use hardcoded
magic numbers.
Allow using ClutterText as a single line text field. This is useful for
text fields that accept just a single line of contents by default, and
respond to the Enter key press to execute some action.
The :single-line-mode property enables this behaviour inside ClutterText
by clipping and scrolling the contents of the PangoLayout if they do
not fit the allocated width of the Text actor.
When using the delete-prev action from the end of the text we end
up either missing the first glyph we have to delete or falling
through the last one in the text.
This commit fixes both issues.
Since clutter_text_set_text() measures the length of the text
each time, we should use the cached length instead of recomputing
the text length each time. This should save us some time when
dealing with long, multi-byte texts.
Check that the contents of the Text actor are unaffected by the
:password-char property; that the accessors are correct; and finally
that the initial value for a newly constructed Text actor is valid.
Using two properties to set a password entry can be construed as
both cumbersome and a gtk-ism. And rightly so on both counts.
The :text-visible property has also conflicting semantics with the
:cursor-visible one: while the latter hides the cursor, the former
changes the display of the contents of the Text actor. It is, thus,
not a matter of "visibility" but of "rendering".
Instead of setting the :text-visible and :invisible-char properties
to have a password text field, the Text actor should just have a
single :password-char property holding a Unicode character. If the
value of the :password-char is non-zero, the Text actor will use the
Unicode character to render the contents of the text entry.
This commit removes the following methods:
clutter_text_set_text_visible()
clutter_text_get_text_visible()
clutter_text_set_invisible_char()
clutter_text_get_invisible_char()
And the following properties:
ClutterText:text-visible
ClutterText:invisible-char
In favour of:
clutter_text_set_password_char()
clutter_text_get_password_char()
And:
ClutterText:password-char
Thus making obvious what use the property and accessor methods are
for and simplifying the process of creating a simple password text
field to:
text = clutter_text_new ();
clutter_text_set_password_char (CLUTTER_TEXT (text), '*');
The locale translators of Clutter are also the ones that should set
the default direction of the text in a Clutter user interface.
This commit adds a translatable string that defines the direction
of the text; the translation authors will change it to the correct
value and that will determine the default direction.
The default text direction can be overridden by using the
CLUTTER_TEXT_DIRECTION environment variable, or by using the
--clutter-text-direction command line switch. In any other case,
the locale will determine the text direction, as it should.
It was always reading one pixel lower than requested. If y was 0 then
it would try to read below the lowest line.
Thanks to Geoff Gustafson for spotting.
Clutter has a set of command line options that are added to every
application by means of clutter_init() or by obtaining the Clutter
GOptionGroup and using g_option_context_parse(). Thus, every Clutter
application will automatically have an --help command line switch
showing the list of options and their description.
At the moment, Clutter does not enable localization of the help,
thus making it less than useful on non-English locales.
This patch enables the machinery to create a localization file and
load it when initializing Clutter, by means of the GLib macros and
locale.h API we already use.
Signed-off-by: Emmanuele Bassi <ebassi@linux.intel.com>
Instead of including GL/gl.h directly it now includes cogl/cogl.h
instead which should include the right GL header.
Instead of using dlopen to specifically open libGL it now tries to use
dlsym with RTLD_NEXT. This requires defining _GNU_SOURCE on GNU
systems. If RTLD_NEXT is not available it will try passing NULL which
is unlikely to work but it will at least catch the case where it
returns the wrapper version of glGetString to prevent infinite
recursion.
This should hopefully make it work on OS X where the name of the
header and library are different (although this is currently
untested).
When updating the PangoContext with the current options (font name,
options, resolution) pass the PangoContext instead of the Clutter
MainContext structure pointer.
When removing a binding entry from the binding pool we should not
only remove it from the hash table, but also from the linked list
we use to iterate over inside the block/unblock_action() pair.
The clutter_binding_pool_list_actions() was not implemented. The
utility of a call listing all the action names is also debatable:
all the functions related to the key bindings take the key symbol
and modifiers -- except the block_action() and unblock_action()
pair.
Sometimes an actor needs to set specific font rendering options on
the PangoContext without changing settings for every other text-rendering
actor.
In order to do this, we need a new public method to create a Pango
context object -- preset with all the default settings -- owned by the
developer and not shared with the rest of Clutter.
This new method is called clutter_actor_create_pango_context(); while
it does not strictly depend on a ClutterActor, it is a good idea to
have it inside the ClutterActor API to map the current get_pango_context()
method and in case we start storing screen-specific data to the Actor
itself during the 1.x API cycle.
The _clutter_context_create_pango_context() should create a new
context; the function returning the PangoContext stored inside the
MainContext structure should be named _get_pango_context() instead.
