More robust disconnect for errored entries

 - Improve >1 width character handling in tui input.

Signed-off-by: Andrew Opalach <andrew@akon.city>

2 files changed, 16 insertions, 4 deletions

diff --git a/src/fruits/cmc/ui/pane_search.c b/src/fruits/cmc/ui/pane_search.c
index e75caa5..e273504 100644
--- a/src/fruits/cmc/ui/pane_search.c
+++ b/src/fruits/cmc/ui/pane_search.c
@@ -37,6 +37,8 @@ void cmc_sp_add_search(struct cmc_ui *ui, struct cmc_search *search)
 
 static bool handle_text_input(struct cmc_search_tab *tab, struct ncinput *input)
 {
+    bool entered = false;
+
     switch (input->id) {
     case NCKEY_BACKSPACE:
         if (tab->cursor > 0) {
@@ -59,7 +61,8 @@ static bool handle_text_input(struct cmc_search_tab *tab, struct ncinput *input)
         tab->input_active = false;
         // Erase text on next render.
         tab->input_changed = true;
-        return true;
+        entered = true;
+        break;
     default:
         if (ncinput_ctrl_p(input)) {
             switch (input->id) {
@@ -111,7 +114,15 @@ static bool handle_text_input(struct cmc_search_tab *tab, struct ncinput *input)
 
         break;
     }
-    return false;
+
+    tab->visual_cursor = 0;
+    if (tab->cursor > 0) {
+        for (u32 i = 0; i < tab->cursor; i++) {
+            tab->visual_cursor += al_wchar_width(al_wstr_at(&tab->input_text, i));
+        }
+    }
+
+    return entered;
 }
 
 bool cmc_sp_handle_input(struct cmc_ui *ui, struct ncinput *input)
@@ -142,7 +153,7 @@ bool cmc_sp_handle_input(struct cmc_ui *ui, struct ncinput *input)
                 tab->input_changed = true;
                 s32 absx = ncplane_abs_x(tab->input);
                 s32 absy = ncplane_abs_y(tab->input);
-                notcurses_cursor_enable(ui->nc, absy, absx + tab->cursor);
+                notcurses_cursor_enable(ui->nc, absy, absx + tab->visual_cursor);
                 break;
             }
         }
@@ -174,7 +185,7 @@ void cmc_sp_render(struct cmc_ui *ui)
         if (tab->input_active) {
             s32 absx = ncplane_abs_x(tab->input);
             s32 absy = ncplane_abs_y(tab->input);
-            notcurses_cursor_enable(ui->nc, absy, absx + tab->cursor);
+            notcurses_cursor_enable(ui->nc, absy, absx + tab->visual_cursor);
         }
     }
 
diff --git a/src/fruits/cmc/ui/ui.h b/src/fruits/cmc/ui/ui.h
index 996bb73..2f73a81 100644
--- a/src/fruits/cmc/ui/ui.h
+++ b/src/fruits/cmc/ui/ui.h
@@ -21,6 +21,7 @@ struct cmc_search_tab {
     struct cmc_search *search;
     struct ncplane *input;
     u32 cursor;
+    u32 visual_cursor;
     bool input_active;
     wstr input_text;
     bool input_changed;