android/view/View: naive implementation for setBackgroundColor

This commit is contained in:
Mis012
2023-10-30 17:28:38 +01:00
parent 0b0cfed345
commit d483828236
3 changed files with 23 additions and 1 deletions

View File

@@ -287,6 +287,14 @@ JNIEXPORT void JNICALL Java_android_view_View_native_1requestLayout
JNIEXPORT void JNICALL Java_android_view_View_nativeInvalidate
(JNIEnv *, jclass, jlong);
/*
* Class: android_view_View
* Method: setBackgroundColor
* Signature: (I)V
*/
JNIEXPORT void JNICALL Java_android_view_View_setBackgroundColor
(JNIEnv *, jobject, jint);
/*
* Class: android_view_View
* Method: setVisibility

View File

@@ -321,3 +321,17 @@ JNIEXPORT void JNICALL Java_android_view_View_native_1requestLayout(JNIEnv *env,
gtk_widget_queue_resize(widget);
}
// FIXME: this will probably behave unfortunately if called multiple times
JNIEXPORT void JNICALL Java_android_view_View_setBackgroundColor(JNIEnv *env, jobject this, jint color)
{
GtkWidget *widget = GTK_WIDGET(_PTR(_GET_LONG_FIELD(this, "widget")));
GtkCssProvider *css_provider = gtk_css_provider_new();
char *css_string = g_markup_printf_escaped("* { background-color: #%06x%02x; }", color & 0xFFFFFF, (color >> 24) & 0xFF);
gtk_css_provider_load_from_string(css_provider, css_string);
g_free(css_string);
gtk_style_context_add_provider(gtk_widget_get_style_context(gtk_widget_get_parent(widget)), GTK_STYLE_PROVIDER(css_provider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
}

View File

@@ -962,7 +962,7 @@ public class View extends Object {
}
private static native void nativeInvalidate(long widget);
public void setBackgroundColor(int color) {}
public native void setBackgroundColor(int color);
public native void setVisibility(int visibility);
public void setPadding(int left, int top, int right, int bottom) {}
public void setBackgroundResource(int resid) {