terminal: add helpers to retrieve page dimensions

Allow term users to retrieve the page dimensions of a terminal screen.
This is needed to properly calculate the grid dimensions when rendering.

diff --git a/src/libsystemd-terminal/term-screen.c b/src/libsystemd-terminal/term-screen.c
index 67f9056d57284dfad4d0b6e968d11a03ec495377..14c32aceb97a6f242e7aeb57a3ee860931718146 100644 (file)
--- a/src/libsystemd-terminal/term-screen.c
+++ b/src/libsystemd-terminal/term-screen.c
@@ -3743,6 +3743,18 @@ static int screen_feed_cmd(term_screen *screen, const term_seq *seq) {
         return 0;
 }
 
         return 0;
 }
 

+unsigned int term_screen_get_width(term_screen *screen) {
+        assert_return(screen, -EINVAL);
+
+        return screen->page->width;
+}
+
+unsigned int term_screen_get_height(term_screen *screen) {
+        assert_return(screen, -EINVAL);
+
+        return screen->page->height;
+}
+

 int term_screen_feed_text(term_screen *screen, const uint8_t *in, size_t size) {
         const uint32_t *ucs4_str;
         size_t i, j, ucs4_len;
 int term_screen_feed_text(term_screen *screen, const uint8_t *in, size_t size) {
         const uint32_t *ucs4_str;
         size_t i, j, ucs4_len;

diff --git a/src/libsystemd-terminal/term.h b/src/libsystemd-terminal/term.h
index 2f2bb479cbcfac3d8a93ac01b37d6c83c1fd64d5..021cf1c42bb3e64c45e232ad79a4405bf0b408d6 100644 (file)
--- a/src/libsystemd-terminal/term.h
+++ b/src/libsystemd-terminal/term.h
@@ -137,6 +137,9 @@ term_screen *term_screen_unref(term_screen *screen);
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(term_screen*, term_screen_unref);
 
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(term_screen*, term_screen_unref);
 

+unsigned int term_screen_get_width(term_screen *screen);
+unsigned int term_screen_get_height(term_screen *screen);
+

 int term_screen_feed_text(term_screen *screen, const uint8_t *in, size_t size);
 int term_screen_feed_keyboard(term_screen *screen, uint32_t keysym, uint32_t ascii, uint32_t ucs4, unsigned int mods);
 int term_screen_resize(term_screen *screen, unsigned int width, unsigned int height);
 int term_screen_feed_text(term_screen *screen, const uint8_t *in, size_t size);
 int term_screen_feed_keyboard(term_screen *screen, uint32_t keysym, uint32_t ascii, uint32_t ucs4, unsigned int mods);
 int term_screen_resize(term_screen *screen, unsigned int width, unsigned int height);