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Fixed color struct, so now color queries match what C returned

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This commit is contained in:
nathan 2017-07-14 00:08:05 +02:00
parent 2ca5cdf622
commit baaaa72079
9 changed files with 142 additions and 1071 deletions
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2
src/dorkbox/systemTray/jna/linux/Gtk.java
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@ -541,7 +541,7 @@ class Gtk {
* appearance. (GTK+ actually keeps a cache of previously created styles, so a new style may not be created.)
*/
public static
Pointer gtk_rc_get_style(Pointer widget) {
GtkStyle gtk_rc_get_style(Pointer widget) {
return Gtk2.gtk_rc_get_style(widget);
}

18
src/dorkbox/systemTray/jna/linux/Gtk2.java
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@ -325,7 +325,7 @@ class Gtk2 {
* appearance. (GTK+ actually keeps a cache of previously created styles, so a new style may not be created.)
*/
public static native
Pointer gtk_rc_get_style(Pointer widget);
GtkStyle gtk_rc_get_style(Pointer widget);
/**
* Looks up color_name in the style’s logical color mappings, filling in color and returning TRUE if found, otherwise returning
@ -365,7 +365,6 @@ class Gtk2 {
* by two pango_extents_to_pixels() calls, rounding ink_rect and logical_rect such that the rounded rectangles fully contain the
* unrounded one (that is, passes them as first argument to pango_extents_to_pixels()).
*
*
* @param layout a PangoLayout
* @param ink_rect rectangle used to store the extents of the layout as drawn or NULL to indicate that the result is not needed.
* @param logical_rect rectangle used to store the logical extents of the layout or NULL to indicate that the result is not needed.
@ -374,6 +373,21 @@ class Gtk2 {
public static native
void pango_layout_get_pixel_extents(Pointer layout, Pointer ink_rect, Pointer logical_rect);
/**
* Creates the GDK (windowing system) resources associated with a widget. For example, widget->window will be created when a widget
* is realized. Normally realization happens implicitly; if you show a widget and all its parent containers, then the widget will
* be realized and mapped automatically.
*
* Realizing a widget requires all the widget’s parent widgets to be realized; calling gtk_widget_realize() realizes the widget’s
* parents in addition to widget itself. If a widget is not yet inside a toplevel window when you realize it, bad things will happen.
*
* This function is primarily used in widget implementations, and isn’t very useful otherwise. Many times when you think you might
* need it, a better approach is to connect to a signal that will be called after the widget is realized automatically, such as
* “draw”. Or simply g_signal_connect() to the “realize” signal.
*/
public static native
void gtk_widget_realize(Pointer widget);
/**
* Creates a toplevel container widget that is used to retrieve snapshots of widgets without showing them on the screen.
*

114
src/dorkbox/systemTray/jna/linux/Gtk3.java
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@ -36,120 +36,6 @@ class Gtk3 {
public static native
int gtk_get_micro_version();
/**
* Loads a theme from the usual theme paths
*
* @param name A theme name
* @param variant variant to load, for example, "dark", or NULL for the default.
*
* @return a GtkCssProvider with the theme loaded. This memory is owned by GTK+, and you must not free it.
*
* @since 3.0
*/
public static native
Pointer gtk_css_provider_get_named(String name, String variant);
/**
* Returns the provider containing the style settings used as a fallback for all widgets.
*
* @return a GtkCssProvider with the theme loaded. This memory is owned by GTK+, and you must not free it.
*
* @since 3.0
*/
public static native
Pointer gtk_css_provider_get_default();
/**
* Converts the provider into a string representation in CSS format.
* <p>
* Using gtk_css_provider_load_from_data() with the return value from this function on a new provider created with
* gtk_css_provider_new() will basically create a duplicate of this provider .
*
* @since 3.2 (released in 2011)
*/
public static native
String gtk_css_provider_to_string(Pointer provider);
/**
* Gets the foreground color for a given state.
*
* @since 3.0
*/
public static native
void gtk_style_context_get_color(Pointer context, int stateFlags, Pointer color);
/**
* Returns the state used for style matching.
*
* @since 3.0
*/
public static native
int gtk_style_context_get_state(Pointer context);
/**
* Looks up and resolves a color name in the context color map.
*
* @since 3.0 (but not in the documentation...)
*/
public static native
boolean gtk_style_context_lookup_color(Pointer widget, String name, Pointer color);
/**
* Returns the style context associated to widget . The returned object is guaranteed to be the same for the lifetime of widget .
*
* @since 3.0 (but not in the documentation...)
*/
public static native
Pointer gtk_widget_get_style_context(Pointer widget);
/**
* Saves the context state, so temporary modifications done through gtk_style_context_add_class(), gtk_style_context_remove_class(),
* gtk_style_context_set_state(), etc. can quickly be reverted in one go through gtk_style_context_restore().
* <p>
* The matching call to gtk_style_context_restore() must be done before GTK returns to the main loop.
*
* @since 3.0
*/
public static native
void gtk_style_context_save(Pointer context);
/**
* Restores context state to a previous stage. See gtk_style_context_save().
*
* @since 3.0
*/
public static native
void gtk_style_context_restore(Pointer context);
/**
* Adds a style class to context , so posterior calls to gtk_style_context_get() or any of the gtk_render_*() functions will make
* use of this new class for styling.
*
* @since 3.0
*/
public static native
void gtk_style_context_add_class(Pointer context, String className);
/**
* Gets the padding for a given state as a GtkBorder. See gtk_style_context_get() and GTK_STYLE_PROPERTY_PADDING for details.
*
* @since 3.0
*/
public static native
void gtk_style_context_get_padding(Pointer context, int state, Pointer border);
/**
* Gets the border for a given state as a GtkBorder.
* <p>
* See gtk_style_context_get_property() and GTK_STYLE_PROPERTY_BORDER_WIDTH for details.
*
* @since 3.0
*/
public static native
void gtk_style_context_get_border(Pointer context, int state, Pointer border);
/**
* Returns the internal scale factor that maps from window coordinates to the actual device pixels. On traditional systems this is 1,
* but on very high density outputs this can be a higher value (often 2).

846
src/dorkbox/systemTray/jna/linux/GtkTheme.java
View File

@ -15,15 +15,11 @@
*/
package dorkbox.systemTray.jna.linux;
import static dorkbox.systemTray.util.CssParser.injectAdditionalCss;
import static dorkbox.systemTray.util.CssParser.removeComments;
import java.awt.Color;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.List;
@ -34,16 +30,9 @@ import com.sun.jna.Pointer;
import com.sun.jna.ptr.PointerByReference;
import dorkbox.systemTray.SystemTray;
import dorkbox.systemTray.Tray;
import dorkbox.systemTray.jna.linux.structs.GdkColor;
import dorkbox.systemTray.jna.linux.structs.GdkRGBAColor;
import dorkbox.systemTray.jna.linux.structs.GtkRequisition;
import dorkbox.systemTray.jna.linux.structs.GtkStyle;
import dorkbox.systemTray.jna.linux.structs.PangoRectangle;
import dorkbox.systemTray.util.CssParser;
import dorkbox.systemTray.util.CssParser.Css;
import dorkbox.systemTray.util.CssParser.CssNode;
import dorkbox.systemTray.util.CssParser.Entry;
import dorkbox.util.FileUtil;
import dorkbox.util.MathUtil;
import dorkbox.util.OS;
@ -63,25 +52,26 @@ import dorkbox.util.process.ShellProcessBuilder;
@SuppressWarnings({"deprecation", "WeakerAccess"})
public
class GtkTheme {
private static final boolean DEBUG = false;
private static final boolean DEBUG_SHOW_CSS = false;
private static final boolean DEBUG_VERBOSE = false;
// CSS nodes that we care about, in oder of preference from left to right.
private static final
String[] cssNodes = new String[] {".menuitem", ".entry", "*"};
private static final boolean DEBUG = true;
public static
Rectangle getPixelTextHeight(String text) {
// have to use pango to get the size of text (for the checkmark size)
Pointer offscreen = Gtk.gtk_offscreen_window_new();
// the following method requires an offscreen widget to get the size of text (for the checkmark size) via pango
// don't forget to destroy everything!
Pointer menu = null;
Pointer item = null;
// we use the size of "X" as the checkmark
Pointer item = Gtk.gtk_image_menu_item_new_with_mnemonic(text);
try {
menu = Gtk.gtk_menu_new();
item = Gtk.gtk_image_menu_item_new_with_mnemonic(text);
Gtk.gtk_container_add(offscreen, item);
Gtk.gtk_container_add(menu, item);
// get the text widget (GtkAccelLabel) from inside the GtkMenuItem
Gtk2.gtk_widget_realize(menu);
Gtk2.gtk_widget_realize(item);
Gtk2.gtk_widget_show_all(menu);
// get the text widget (GtkAccelLabel/GtkLabel) from inside the GtkMenuItem
Pointer textLabel = Gtk.gtk_bin_get_child(item);
Pointer pangoLayout = Gtk.gtk_label_get_layout(textLabel);
@ -91,40 +81,11 @@ class GtkTheme {
Gtk.pango_layout_get_pixel_extents(pangoLayout, ink.getPointer(), null);
ink.read();
Rectangle size = new Rectangle(ink.width, ink.height);
return new Rectangle(ink.width, ink.height);
} finally {
Gtk.gtk_widget_destroy(item);
Gtk.gtk_widget_destroy(offscreen);
return size;
Gtk.gtk_widget_destroy(menu);
}
public static
Rectangle getLogicalTextHeight(String text) {
// have to use pango to get the size of text (for the checkmark size)
Pointer offscreen = Gtk.gtk_offscreen_window_new();
// we use the size of "X" as the checkmark
Pointer item = Gtk.gtk_image_menu_item_new_with_mnemonic(text);
Gtk.gtk_container_add(offscreen, item);
// get the text widget (GtkAccelLabel) from inside the GtkMenuItem
Pointer textLabel = Gtk.gtk_bin_get_child(item);
Pointer pangoLayout = Gtk.gtk_label_get_layout(textLabel);
// logical pixel size (ascent + descent)
PangoRectangle logical = new PangoRectangle();
Gtk.pango_layout_get_pixel_extents(pangoLayout, null, logical.getPointer());
logical.read();
Rectangle size = new Rectangle(logical.width, logical.height);
Gtk.gtk_widget_destroy(item);
Gtk.gtk_widget_destroy(offscreen);
return size;
}
/**
@ -172,7 +133,7 @@ class GtkTheme {
* - GtkStatusIndicator: ??
*/
public static
int getIndicatorSize(final Class<? extends Tray> trayType) {
int getIndicatorSize() {
// Linux is similar enough, that it just uses this method
// https://wiki.archlinux.org/index.php/HiDPI
@ -181,6 +142,8 @@ class GtkTheme {
final AtomicReference<Double> screenScale = new AtomicReference<Double>();
final AtomicInteger screenDPI = new AtomicInteger();
screenScale.set(0D);
screenDPI.set(0);
GtkEventDispatch.dispatchAndWait(new Runnable() {
@Override
@ -196,7 +159,8 @@ class GtkTheme {
if (Gtk.isGtk3) {
Pointer window = Gtk.gdk_get_default_root_window();
if (window != null) {
screenScale.set((double) Gtk3.gdk_window_get_scale_factor(window));
double scale = Gtk3.gdk_window_get_scale_factor(window);
screenScale.set(scale);
}
}
}
@ -267,8 +231,7 @@ class GtkTheme {
OSUtil.DesktopEnv.Env env = OSUtil.DesktopEnv.get();
// sometimes the scaling-factor is set
if (env == OSUtil.DesktopEnv.Env.Gnome) {
// sometimes the scaling-factor is set. If we have gsettings, great! otherwise try KDE
try {
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(8196);
PrintStream outputStream = new PrintStream(byteArrayOutputStream);
@ -307,8 +270,8 @@ class GtkTheme {
}
} catch (Throwable ignore) {
}
}
else if (OSUtil.DesktopEnv.isKDE()) {
if (OSUtil.DesktopEnv.isKDE()) {
// check the custom KDE override file
try {
File customSettings = new File("/usr/bin/startkde-custom");
@ -364,7 +327,7 @@ My ratio is 1.47674, that means I have no scaling at all when there is a 1.5 fac
if (mainFile.canRead()) {
List<String> lines = FileUtil.readLines(mainFile);
boolean found = false;
int index = 0;
int index;
for (final String line : lines) {
if (line.contains("<entry name=\"iconSize\" type=\"Int\">")) {
found = true;
@ -416,7 +379,7 @@ My ratio is 1.47674, that means I have no scaling at all when there is a 1.5 fac
}
}
else {
if (OSUtil.Linux.isUbuntu() && env == OSUtil.DesktopEnv.Env.Unity) {
if (OSUtil.Linux.isUbuntu() && env == OSUtil.DesktopEnv.Env.Unity || env == OSUtil.DesktopEnv.Env.Unity7) {
// if we measure on ubuntu unity using a screen shot (using swing, so....) , the max size was 24, HOWEVER this goes from
// the top->bottom of the indicator bar -- and since it was swing, it uses a different rendering method and it (honestly)
// looks weird, because there is no padding for the icon. The official AppIndicator size is hardcoded...
@ -511,145 +474,42 @@ My ratio is 1.47674, that means I have no scaling at all when there is a 1.5 fac
*/
public static
Color getTextColor() {
// NOTE: when getting CSS, we redirect STDERR to null (via GTK), so that we won't spam the console if there are parse errors.
// this is a horrid hack, but the only way to work around the errors we have no control over. The parse errors, if bad enough
// just mean that we are unable to get the CSS as we want.
// these methods are from most accurate (but limited in support) to compatible across Linux OSes.. Strangely enough, GTK makes
// this information insanely difficult to get.
final AtomicReference<Color> color = new AtomicReference<Color>(null);
GtkEventDispatch.dispatchAndWait(new Runnable() {
@SuppressWarnings("UnusedAssignment")
@Override
public
void run() {
Color c;
Color c = null;
// the following method requires an offscreen widget to get the style information from.
// don't forget to destroy everything!
Pointer menu = null;
Pointer item = null;
try {
menu = Gtk.gtk_menu_new();
item = Gtk.gtk_image_menu_item_new_with_mnemonic("a");
Gtk.gtk_container_add(menu, item);
Gtk2.gtk_widget_realize(menu);
Gtk2.gtk_widget_realize(item);
Gtk2.gtk_widget_show_all(menu);
GtkStyle style = Gtk.gtk_rc_get_style(item);
style.read();
// this is the same color chromium uses (fg)
// https://chromium.googlesource.com/chromium/src/+/b3ca230ddd7d1238ee96ed26ea23e369f10dd655/chrome/browser/ui/libgtk2ui/gtk2_ui.cc#873
c = style.fg[Gtk.State.NORMAL].getColor();
// see if we can get the info via CSS properties (> GTK+ 3.2 uses an API, GTK2 gets it from disk).
// This is often the BEST way to get information, since GTK **DOES NOT** make it easy to get widget information BEFORE
// the widget is realized -- which in our case, we must do.
c = getColorFromCss();
if (c != null) {
if (DEBUG) {
System.err.println("Got from CSS");
}
color.set(c);
return;
}
// try to get via the color scheme.
c = getFromColorScheme();
if (c != null) {
if (DEBUG) {
System.err.println("Got from color scheme");
}
color.set(c);
return;
}
// if we get here, this means that there was NO "gtk-color-scheme" value in the theme file.
// This usually happens when the theme does not have @fg_color (for example), but instead has each color explicitly
// defined for every widget instance in the theme file. Old/bizzare themes tend to do it this way...
if (Gtk.isGtk2) {
c = getFromGtk2ThemeText();
if (c != null) {
if (DEBUG) {
System.err.println("Got from gtk2 color theme file");
}
color.set(c);
return;
}
}
// the following methods all require an offscreen widget to get the style information from.
// create an off-screen widget (don't forget to destroy everything!)
Pointer offscreen = Gtk.gtk_offscreen_window_new();
Pointer item = Gtk.gtk_image_menu_item_new_with_mnemonic("a");
Gtk.gtk_container_add(offscreen, item);
Gtk.gtk_widget_show_all(item);
// Try to get via RC style... Sometimes this works (sometimes it does not...)
{
Pointer style = Gtk.gtk_rc_get_style(item);
GdkColor gdkColor = new GdkColor();
boolean success = false;
success = Gtk.gtk_style_lookup_color(style, "menu_fg_color", gdkColor.getPointer());
if (!success) {
success = Gtk.gtk_style_lookup_color(style, "text_color", gdkColor.getPointer());
if (success) {
System.err.println("a");
}
}
if (!success) {
success = Gtk.gtk_style_lookup_color(style, "theme_text_color", gdkColor.getPointer());
if (success) {
System.err.println("a");
}
}
if (success) {
c = gdkColor.getColor();
}
}
if (c != null) {
if (DEBUG) {
System.err.println("Got from gtk offscreen gtk_style_lookup_color");
}
color.set(c);
} finally {
Gtk.gtk_widget_destroy(item);
return;
Gtk.gtk_widget_destroy(menu);
}
if (Gtk.isGtk3) {
Pointer context = Gtk3.gtk_widget_get_style_context(item);
GdkRGBAColor gdkColor = new GdkRGBAColor();
boolean success = false;
success = Gtk3.gtk_style_context_lookup_color(context, "fg_color", gdkColor.getPointer());
if (!success) {
success = Gtk3.gtk_style_context_lookup_color(context, "text_color", gdkColor.getPointer());
}
if (!success) {
success = Gtk3.gtk_style_context_lookup_color(context, "menu_fg_color", gdkColor.getPointer());
}
if (!success) {
success = Gtk3.gtk_style_context_lookup_color(context, "color", gdkColor.getPointer());
}
if (success) {
c = gdkColor.getColor();
}
}
if (c != null) {
color.set(c);
if (DEBUG) {
System.err.println("Got from gtk3 offscreen gtk_widget_get_style_context");
}
Gtk.gtk_widget_destroy(item);
return;
}
// this doesn't always work...
GtkStyle.ByReference style = Gtk.gtk_widget_get_style(item);
color.set(style.text[Gtk.State.NORMAL].getColor());
if (DEBUG) {
System.err.println("Got from gtk gtk_widget_get_style");
}
Gtk.gtk_widget_destroy(item);
}
});
@ -669,604 +529,4 @@ My ratio is 1.47674, that means I have no scaling at all when there is a 1.5 fac
// who knows WHAT the color is supposed to be. This is just a "best guess" default value.
return Color.BLACK;
}
/**
* get the color we are interested in via raw CSS parsing. This is specifically to get the color of the text of the
* appindicator/gtk-status-icon menu.
* <p>
* > GTK+ 3.2 uses an API, GTK2 gets it from disk
*
* @return the color string, parsed from CSS,
*/
private static
Color getColorFromCss() {
Css css = getCss();
if (css != null) {
if (DEBUG_SHOW_CSS) {
System.err.println(css);
}
try {
// collect a list of all of the sections that have what we are interested in.
List<CssNode> sections = CssParser.getSections(css, cssNodes, null);
List<Entry> colorStrings = CssParser.getAttributeFromSections(sections, "color", true);
String colorString = CssParser.selectMostRelevantAttribute(cssNodes, colorStrings);
if (colorString != null) {
if (colorString.startsWith("@")) {
// it's a color definition
String colorSubString = css.getColorDefinition(colorString.substring(1));
return parseColor(colorSubString);
}
else {
return parseColor(colorString);
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
return null;
}
/**
* @return the CSS for the current theme or null. It is important that this is called AFTER GTK has been initialized.
*/
public static
Css getCss() {
String css;
if (Gtk.isLoaded && Gtk.isGtk3) {
final AtomicReference<String> css_ = new AtomicReference<String>(null);
GtkEventDispatch.dispatchAndWait(new Runnable() {
@Override
public
void run() {
String themeName = getThemeName();
if (themeName != null) {
Pointer value = Gtk3.gtk_css_provider_get_named(themeName, null);
if (value != null) {
// we have the css provider!
// NOTE: This can output warnings if the theme doesn't parse correctly by GTK, so we suppress them
Glib.GLogFunc orig = Glib.g_log_set_default_handler(Glib.nullLogFunc, null);
css_.set(Gtk3.gtk_css_provider_to_string(value));
Glib.g_log_set_default_handler(orig, null);
}
}
else {
Pointer value = Gtk3.gtk_css_provider_get_default();
if (value != null) {
// we have the css provider!
// NOTE: This can output warnings if the theme doesn't parse correctly by GTK, so we suppress them
Glib.GLogFunc orig = Glib.g_log_set_default_handler(Glib.nullLogFunc, null);
css_.set(Gtk3.gtk_css_provider_to_string(value));
Glib.g_log_set_default_handler(orig, null);
}
}
}
});
// will be either the string, or null.
css = css_.get();
}
else {
// GTK2 has to get the GTK3 theme text a different way (parsing it from disk). SOMETIMES, the app must be GTK2, even though
// the system is GTK3. This works around the API restriction if we are an APP in GTK2 mode. This is not done ALL the time,
// because this is not as accurate as using the GTK3 API.
// This can also be a requirement if GTK is not loaded
css = getGtk3ThemeCssViaFile();
}
return CssParser.parse(css);
}
/**
* this works for GtkStatusIcon menus.
*
* @return the menu_fg/fg/text color from gtk-color-scheme or null
*/
public static
Color getFromColorScheme() {
Pointer screen = Gtk.gdk_screen_get_default();
Pointer settings = null;
if (screen != null) {
settings = Gtk.gtk_settings_get_for_screen(screen);
}
if (settings != null) {
// see if we can get the info we want the EASY way (likely only when GTK+ 2 is used, but can be < GTK+ 3.2)...
// been deprecated since version 3.8
PointerByReference pointer = new PointerByReference();
Gobject.g_object_get(settings, "gtk-color-scheme", pointer.getPointer(), null);
// A palette of named colors for use in themes. The format of the string is
// name1: color1
// name2: color2
//
// Color names must be acceptable as identifiers in the gtkrc syntax, and color specifications must be in the format
// accepted by gdk_color_parse().
//
// Note that due to the way the color tables from different sources are merged, color specifications will be converted
// to hexadecimal form when getting this property.
//
// Starting with GTK+ 2.12, the entries can alternatively be separated by ';' instead of newlines:
// name1: color1; name2: color2; ...
//
// GtkSettings:gtk-color-scheme has been deprecated since version 3.8 and should not be used in newly-written code.
// Color scheme support was dropped and is no longer supported. You can still set this property, but it will be ignored.
Pointer value = pointer.getValue();
if (value != null) {
String s = value.getString(0);
if (!s.isEmpty()) {
if (DEBUG) {
System.out.println("\t string: " + s);
}
// Note: these are the values on my system when forcing GTK+ 2 (XUbuntu 16.04) with GtkStatusIcon and Aidwata theme
// bg_color_dark: #686868686868
// fg_color: #3c3c3c3c3c3c
// fm_color: #f7f7f7f7f7f7
// selected_fg_color: #ffffffffffff
// panel_bg: #686868686868
// text_color: #212121212121
// text_color_dark: #ffffffffffff
// tooltip_bg_color: #000000000000
// link_color: #2d2d7171b8b8
// tooltip_fg_color: #e1e1e1e1e1e1
// base_color: #fcfcfcfcfcfc
// bg_color: #cececececece
// selected_bg_color: #39398e8ee7e7
// list of colors, in order of importance, that we want to parse.
String colors[] = new String[] {"menu_fg_color", "fg_color", "text_color"};
for (String colorName : colors) {
int i = 0;
while (i != -1) {
i = s.indexOf(colorName, i);
if (i >= 0) {
try {
// the color will ALWAYS be in hex notation
// it is also possible to be separated by ; instead of newline
int endIndex = s.indexOf(';', i);
if (endIndex == -1) {
endIndex = s.indexOf('\n', i);
}
if (s.charAt(i - 1) == '_') {
i = endIndex;
continue;
}
int startIndex = s.indexOf('#', i);
String colorString = s.substring(startIndex, endIndex)
.trim();
if (DEBUG_VERBOSE) {
System.out.println("Color string: " + colorString);
}
return parseColor(colorString);
} catch (Exception ignored) {
}
}
}
}
}
}
}
return null;
}
/**
* Checks in the following locations for the current GTK3 theme.
* <p>
* /usr/share/themes
* /opt/gnome/share/themes
*/
private static
String getGtk3ThemeCssViaFile() {
File themeDirectory = getThemeDirectory(true);
if (themeDirectory == null) {
return null;
}
File gtkFile = new File(themeDirectory, "gtk.css");
try {
StringBuilder stringBuilder = new StringBuilder((int) (gtkFile.length()));
FileUtil.read(gtkFile, stringBuilder);
removeComments(stringBuilder);
// only comments in the file
if (stringBuilder.length() < 2) {
return null;
}
injectAdditionalCss(themeDirectory, stringBuilder);
return stringBuilder.toString();
} catch (IOException e) {
// cant read the file or something else.
if (SystemTray.DEBUG) {
SystemTray.logger.error("Error getting RAW GTK3 theme file.", e);
}
}
return null;
}
/**
* @return the discovered fg[NORMAL] or text[NORMAL] color for this theme or null
*/
public static
Color getFromGtk2ThemeText() {
String gtk2ThemeText = getGtk2ThemeText();
if (gtk2ThemeText != null) {
String[] colorText = new String[] {"fg[NORMAL]", "text[NORMAL]"};
for (String text : colorText) {
int i = 0;
while (i != -1) {
i = gtk2ThemeText.indexOf(text, i);
if (i != -1) {
if (i > 0 && gtk2ThemeText.charAt(i - 1) != '_') {
i += text.length();
continue;
}
int j = gtk2ThemeText.indexOf("=", i);
if (j != -1) {
int lineEnd = gtk2ThemeText.indexOf('\n', j);
if (lineEnd != -1) {
String colorName = gtk2ThemeText.substring(j + 1, lineEnd)
.trim();
colorName = colorName.replaceAll("\"", "");
return parseColor(colorName);
}
}
}
}
}
}
return null;
}
/**
* Checks in the following locations for the current GTK2 theme.
* <p>
* /usr/share/themes
* /opt/gnome/share/themes
*/
private static
String getGtk2ThemeText() {
File themeDirectory = getThemeDirectory(false);
if (themeDirectory == null) {
return null;
}
// ie: /usr/share/themes/Numix/gtk-2.0/gtkrc
File gtkFile = new File(themeDirectory, "gtkrc");
try {
StringBuilder stringBuilder = new StringBuilder((int) (gtkFile.length()));
FileUtil.read(gtkFile, stringBuilder);
removeComments(stringBuilder);
// only comments in the file
if (stringBuilder.length() < 2) {
return null;
}
return stringBuilder.toString();
} catch (IOException ignored) {
// cant read the file or something else.
}
return null;
}
/**
* Figures out what the directory is for the specified type of GTK theme files (css/gtkrc/etc)
*
* @param gtk3 true if you want to look for the GTK3 theme dir, false if you want the GTK2 theme dir
*
* @return the directory or null if it cannot be found
*/
public static
File getThemeDirectory(boolean gtk3) {
String themeName = getThemeName();
if (themeName == null) {
return null;
}
String gtkType;
if (gtk3) {
gtkType = "gtk-3.0";
}
else {
gtkType = "gtk-2.0";
}
String[] dirs = new String[] {"/usr/share/themes", "/opt/gnome/share/themes"};
// ie: /usr/share/themes
for (String dirName : dirs) {
File themesDir = new File(dirName);
File[] themeDirs = themesDir.listFiles();
if (themeDirs != null) {
// ie: /usr/share/themes/Numix
for (File themeDir : themeDirs) {
File[] files1 = themeDir.listFiles();
if (files1 != null) {
boolean isCorrectTheme;
File themeIndexFile = new File(themeDir, "index.theme");
try {
List<String> read = FileUtil.read(themeIndexFile, false);
for (String s : read) {
if (s.startsWith("GtkTheme=")) {
String calculatedThemeName = s.substring("GtkTheme=".length());
isCorrectTheme = calculatedThemeName.equals(themeName);
if (isCorrectTheme) {
// ie: /usr/share/themes/Numix/gtk-3.0/gtk.css
// the DARK variant is only used by some apps. The dark variant is NOT SYSTEM-WIDE!
return new File(themeDir, gtkType);
}
break;
}
}
} catch (IOException ignored) {
}
}
}
}
}
return null;
}
/**
* Parses out the color from a color:
* <p>
* - the word "transparent"
* - hex 12 digit #ffffaaaaffff
* - hex 6 digit #ffaaff
* - hex 3 digit #faf
* - rgb(r, g, b) rgb(33, 33, 33)
* - rgb(r, g, b) rgb(.6, .3, .3)
* - rgb(r%, g%, b%) rgb(10%, 20%, 30%)
* - rgba(r, g, b, a) rgb(33, 33, 33, 0.53)
* - rgba(r, g, b, a) rgb(.33, .33, .33, 0.53)
* - rgba(r, g, b, a) rgb(10%, 20%, 30%, 0.53)
* <p>
* Notes:
* - rgb(), when an int, is between 0-255
* - rgb(), when a float, is between 0.0-1.0
* - rgb(), when a percent, is between 0-100
* - alpha is always a float
*
* @return the parsed color
*/
@SuppressWarnings("Duplicates")
private static
Color parseColor(String colorString) {
if (colorString == null) {
return null;
}
int red = 0;
int green = 0;
int blue = 0;
int alpha = 255;
if (colorString.startsWith("#")) {
colorString = colorString.substring(1);
if (colorString.length() > 11) {
red = Integer.parseInt(colorString.substring(0, 4), 16);
green = Integer.parseInt(colorString.substring(4, 8), 16);
blue = Integer.parseInt(colorString.substring(8), 16);
// Have to convert to positive int (value between 0 and 65535, these are 16 bits per pixel) that is from 0-255
red = red & 0x0000FFFF;
green = green & 0x0000FFFF;
blue = blue & 0x0000FFFF;
red = (red >> 8) & 0xFF;
green = (green >> 8) & 0xFF;
blue = (blue >> 8) & 0xFF;
}
else if (colorString.length() > 5) {
red = Integer.parseInt(colorString.substring(0, 2), 16);
green = Integer.parseInt(colorString.substring(2, 4), 16);
blue = Integer.parseInt(colorString.substring(4), 16);
}
else {
red = Integer.parseInt(colorString.substring(0, 1), 16);
green = Integer.parseInt(colorString.substring(1, 2), 16);
blue = Integer.parseInt(colorString.substring(2), 16);
}
}
else if (colorString.startsWith("rgba")) {
colorString = colorString.substring(colorString.indexOf('(') + 1, colorString.indexOf(')'));
String[] split = colorString.split(",");
String trim1 = split[0].trim();
String trim2 = split[1].trim();
String trim3 = split[2].trim();
String trim4 = split[3].trim();
if (colorString.contains("%")) {
trim1 = trim1.replace("%", "");
trim2 = trim2.replace("%", "");
trim3 = trim3.replace("%", "");
red = Integer.parseInt(trim1) * 255;
green = Integer.parseInt(trim2) * 255;
blue = Integer.parseInt(trim3) * 255;
}
else if (colorString.contains(".")) {
red = (int) (Float.parseFloat(trim1) * 255);
green = (int) (Float.parseFloat(trim2) * 255);
blue = (int) (Float.parseFloat(trim3) * 255);
}
else {
red = Integer.parseInt(trim1);
green = Integer.parseInt(trim2);
blue = Integer.parseInt(trim3);
}
float alphaF = Float.parseFloat(trim4);
alpha = (int) (alphaF * 255);
}
else if (colorString.startsWith("rgb")) {
colorString = colorString.substring(colorString.indexOf('(') + 1, colorString.indexOf(')'));
String[] split = colorString.split(",");
String trim1 = split[0].trim();
String trim2 = split[1].trim();
String trim3 = split[2].trim();
if (colorString.contains("%")) {
trim1 = trim1.replace("%", "");
trim2 = trim2.replace("%", "");
trim3 = trim3.replace("%", "");
red = Integer.parseInt(trim1) * 255;
green = Integer.parseInt(trim2) * 255;
blue = Integer.parseInt(trim3) * 255;
}
else if (colorString.contains(".")) {
red = (int) (Float.parseFloat(trim1) * 255);
green = (int) (Float.parseFloat(trim2) * 255);
blue = (int) (Float.parseFloat(trim3) * 255);
}
else {
red = Integer.parseInt(trim1);
green = Integer.parseInt(trim2);
blue = Integer.parseInt(trim3);
}
}
else if (colorString.contains("transparent")) {
alpha = 0;
}
else {
int index = colorString.indexOf(";");
if (index > 0) {
colorString = colorString.substring(0, index);
}
colorString = colorString.replaceAll("\"", "");
colorString = colorString.replaceAll("'", "");
// maybe it's just a "color" description, such as "red"?
try {
return Color.decode(colorString);
} catch (Exception e) {
return null;
}
}
return new Color(red, green, blue, alpha);
}
/**
* https://wiki.archlinux.org/index.php/GTK%2B
* <p>
* gets the name of the currently loaded theme
* GTK+ 2:
* ~/.gtkrc-2.0
* gtk-icon-theme-name = "Adwaita"
* gtk-theme-name = "Adwaita"
* gtk-font-name = "DejaVu Sans 11"
* <p>
* <p>
* GTK+ 3:
* $XDG_CONFIG_HOME/gtk-3.0/settings.ini
* [Settings]
* gtk-icon-theme-name = Adwaita
* gtk-theme-name = Adwaita
* gtk-font-name = DejaVu Sans 11
* <p>
* <p>
* Note: The icon theme name is the name defined in the theme's index file, not the name of its directory.
* <p>
* directories:
* /usr/share/themes
* /opt/gnome/share/themes
* <p>
* GTK+ 2 user specific: ~/.gtkrc-2.0
* GTK+ 2 system wide: /etc/gtk-2.0/gtkrc
* <p>
* GTK+ 3 user specific: $XDG_CONFIG_HOME/gtk-3.0/settings.ini, or $HOME/.config/gtk-3.0/settings.ini if $XDG_CONFIG_HOME is not set
* GTK+ 3 system wide: /etc/gtk-3.0/settings.ini
*
* @return the theme name, or null if it cannot find it.
*/
public static
String getThemeName() {
final AtomicReference<String> themeName = new AtomicReference<String>(null);
GtkEventDispatch.dispatchAndWait(new Runnable() {
@Override
public
void run() {
Pointer screen = Gtk.gdk_screen_get_default();
Pointer settings = null;
if (screen != null) {
settings = Gtk.gtk_settings_get_for_screen(screen);
}
if (settings != null) {
PointerByReference pointer = new PointerByReference();
Gobject.g_object_get(settings, "gtk-theme-name", pointer.getPointer(), null);
Pointer value = pointer.getValue();
if (value != null) {
themeName.set(value.getString(0));
}
}
if (DEBUG) {
System.err.println("Theme name: " + themeName);
}
}
});
// will be either the string, or null.
return themeName.get();
}
}

48
src/dorkbox/systemTray/jna/linux/structs/GParamSpecStruct.java
View File

@ -1,48 +0,0 @@
/*
* Copyright 2015 dorkbox, llc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package dorkbox.systemTray.jna.linux.structs;
import java.util.Arrays;
import java.util.List;
import com.sun.jna.Structure;
import dorkbox.util.Keep;
@Keep
public
class GParamSpecStruct extends Structure {
public
class ByValue extends GParamSpecStruct implements Structure.ByValue {}
public
class ByReference extends GParamSpecStruct implements Structure.ByReference {}
public GTypeInstanceStruct g_type_instance;
public String name; /* interned string */
// Pointer flags;
// double value_type;
// double owner_type; /* class or interface using this property */
@Override
protected
List<String> getFieldOrder() {
return Arrays.asList("g_type_instance", "name");
}
}

2
src/dorkbox/systemTray/jna/linux/structs/GdkColor.java
View File

@ -42,7 +42,7 @@ class GdkColor extends Structure {
public short blue;
/**
* Convert to positive int (value between 0 and 65535, these are 16 bits per pixel) that is from 0-255
* Convert from positive int (value between 0 and 65535, these are 16 bits per pixel) to values from 0-255
*/
private static int convert(int inputColor) {
return (inputColor & 0x0000FFFF >> 8) & 0xFF;

68
src/dorkbox/systemTray/jna/linux/structs/GdkRGBAColor.java
View File

@ -1,68 +0,0 @@
/*
* Copyright 2017 dorkbox, llc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package dorkbox.systemTray.jna.linux.structs;
import java.awt.Color;
import java.util.Arrays;
import java.util.List;
import com.sun.jna.Structure;
/**
* https://developer.gnome.org/gdk3/stable/gdk3-RGBA-Colors.html#GdkRGBA
*/
public
class GdkRGBAColor extends Structure {
// these are from 0.0 to 1.0 inclusive
public double red;
public double green;
public double blue;
public double alpha;
public float red() {
return (float) red;
}
public float green() {
return (float) green;
}
public float blue() {
return (float) blue;
}
public
Color getColor() {
read(); // have to read the struct members first!
return new Color(red(), green(), blue());
}
@Override
protected
List<String> getFieldOrder() {
return Arrays.asList("red", "green", "blue", "alpha");
}
public
class ByValue extends GdkRGBAColor implements Structure.ByValue {}
public
class ByReference extends GdkRGBAColor implements Structure.ByReference {}
}

28
src/dorkbox/systemTray/jna/linux/structs/GtkStyle.java
View File

@ -46,18 +46,22 @@ class GtkStyle extends Structure {
*/
public static
class ByReference extends GtkStyle implements Structure.ByReference {}
class ByReference extends GtkStyle implements Structure.ByReference {
}
public
class ByValue extends GtkStyle implements Structure.ByValue {}
class ByValue extends GtkStyle implements Structure.ByValue {
}
// only list public fields
// required, even though it's "private" in the corresponding C code. OTHERWISE the memory offsets are INCORRECT.
public GObjectStruct parent_instance;
/** fg: foreground for drawing GtkLabel */
public GdkColor fg[] = new GdkColor[5];
/** bg: the usual background color, gray by default */
public GdkColor bg[] = new GdkColor[5];
public GdkColor light[] = new GdkColor[5];
public GdkColor dark[] = new GdkColor[5];
public GdkColor mid[] = new GdkColor[5];
@ -69,7 +73,10 @@ class GtkStyle extends Structure {
/** base: background when using text, colored white in the default theme. */
public GdkColor base[] = new GdkColor[5];
public GdkColor text_aa[] = new GdkColor[5]; /* Halfway between text/base */
/** Halfway between text/base */
public GdkColor text_aa[] = new GdkColor[5];
public GdkColor black;
public GdkColor white;
public Pointer /*PangoFontDescription*/ font_desc;
@ -77,10 +84,21 @@ class GtkStyle extends Structure {
public int ythickness;
public Pointer /*cairo_pattern_t*/ background[] = new Pointer[5];
public
void debug(final int gtkState) {
System.err.println("base " + base[gtkState].getColor());
System.err.println("text " + text[gtkState].getColor());
System.err.println("text_aa " + text_aa[gtkState].getColor());
System.err.println("bg " + bg[gtkState].getColor());
System.err.println("fg " + fg[gtkState].getColor());
}
@Override
protected
List<String> getFieldOrder() {
return Arrays.asList("fg",
return Arrays.asList("parent_instance",
"fg",
"bg",
"light",
"dark",

13
test/example.c
View File

@ -3,11 +3,11 @@
#include <libappindicator/app-indicator.h>
// gcc example.c `pkg-config --cflags --libs gtk+-2.0 appindicator-0.1` -I/usr/include/libappindicator-0.1/ -o example
// gcc example.c `pkg-config --cflags --libs gtk+-2.0 appindicator-0.1` -I/usr/include/libappindicator-0.1/ -o example && ./example
// apt libgtk-3-dev install libappindicator3-dev
// NOTE: there will be warnings, but the file will build and run. NOTE: this will not run as root on ubuntu (no dbus connection back to the normal user)
// gcc example.c `pkg-config --cflags --libs gtk+-3.0 appindicator3-0.1` -I/usr/include/libappindicator3-0.1/ -o example
// gcc example.c `pkg-config --cflags --libs gtk+-3.0 appindicator3-0.1` -I/usr/include/libappindicator3-0.1/ -o example && ./example
static void activate_action (GtkAction *action);
@ -278,6 +278,15 @@ int main (int argc, char **argv)
menuItem1 = gtk_image_menu_item_new_with_label("menu1");
// double check color info
GtkStyle *style;
style = gtk_rc_get_style(gtk_image_menu_item_new_with_mnemonic("xxx"));
GdkColor color = style->fg[GTK_STATE_NORMAL];
fprintf(stderr, "COLOR %s\n", gdk_color_to_string(&color));
// g_signal_connect(menuItem1, "button_press_event", G_CALLBACK (gtkCallback), NULL);
gtk_menu_shell_insert(GTK_MENU_SHELL(indicator_menu), menuItem1, 0);
gtk_widget_show(menuItem1);