Launcher: Test sticky center #77

ducalex · Jan 25, 2023 · 955a106 · 955a106
1 parent 67755f7
commit 955a106
Show file tree

Hide file tree

Showing 3 changed files with 17 additions and 1 deletion.
diff --git a/launcher/main/gui.c b/launcher/main/gui.c
@@ -466,6 +466,21 @@ void gui_draw_list(tab_t *tab)
     {
         line_offset = (list->cursor / lines) * lines;
     }
+    else if (gui.scroll_mode == SCROLL_MODE_STICKY)
+    {
+        if (list->cursor < lines / 2)
+        {
+            line_offset = 0;
+        }
+        else if (list->cursor > list->length - (lines / 2))
+        {
+            line_offset = list->length - lines;
+        }
+        else
+        {
+            line_offset = list->cursor - (lines / 2);
+        }
+    }
     else // (gui.scroll_mode == SCROLL_MODE_CENTER)
     {
         line_offset = list->cursor - (lines / 2);

diff --git a/launcher/main/gui.h b/launcher/main/gui.h
@@ -13,6 +13,7 @@ typedef enum {
 typedef enum {
     SCROLL_MODE_CENTER,
     SCROLL_MODE_PAGING,
+    SCROLL_MODE_STICKY,
     // SCROLL_MODE_EDGE,
     SCROLL_MODE_COUNT,
 } scroll_mode_t;

diff --git a/launcher/main/main.c b/launcher/main/main.c
@@ -54,7 +54,7 @@ static rg_gui_event_t toggle_tabs_cb(rg_gui_option_t *option, rg_gui_event_t eve
 
 static rg_gui_event_t scroll_mode_cb(rg_gui_option_t *option, rg_gui_event_t event)
 {
-    const char *modes[SCROLL_MODE_COUNT] = {"Center", "Paging"};
+    const char *modes[SCROLL_MODE_COUNT] = {"Center", "Paging", "Sticky"};
     const int max = SCROLL_MODE_COUNT - 1;
 
     if (event == RG_DIALOG_PREV && --gui.scroll_mode < 0)