From 3c4d9529b92f278958fffbb071f276b7555a9404 Mon Sep 17 00:00:00 2001
From: Alastair Poole <netstar@gmail.com>
Date: Tue, 28 Apr 2020 20:41:41 +0100
Subject: [PATCH] editor: Add support for moving to file start/end.

Add API to mainview/mainview panel. Also add key combination
for ctrl+home and ctrl+end.
---
 src/bin/editor/edi_editor.c           |  8 ++++
 src/bin/mainview/edi_mainview.c       | 16 +++++++
 src/bin/mainview/edi_mainview.h       | 14 ++++++
 src/bin/mainview/edi_mainview_panel.c | 62 +++++++++++++++++++++++++++
 src/bin/mainview/edi_mainview_panel.h | 18 ++++++++
 5 files changed, 118 insertions(+)

diff --git a/src/bin/editor/edi_editor.c b/src/bin/editor/edi_editor.c
index 3521a82..cd8b013 100644
--- a/src/bin/editor/edi_editor.c
+++ b/src/bin/editor/edi_editor.c
@@ -911,6 +911,14 @@ _smart_cb_key_down(void *data EINA_UNUSED, Evas *e EINA_UNUSED,
           {
              edi_mainview_goto_popup_show();
           }
+        else if (!strcmp(ev->key, "Home"))
+          {
+             edi_mainview_goto_start();
+          }
+        else if (!strcmp(ev->key, "End"))
+          {
+             edi_mainview_goto_end();
+          }
         else if (edi_language_provider_has(editor) && !strcmp(ev->key, "space"))
           {
              _suggest_list_load(editor);
diff --git a/src/bin/mainview/edi_mainview.c b/src/bin/mainview/edi_mainview.c
index ec67f09..fd20c35 100644
--- a/src/bin/mainview/edi_mainview.c
+++ b/src/bin/mainview/edi_mainview.c
@@ -410,6 +410,22 @@ edi_mainview_goto(unsigned int number)
    edi_mainview_panel_goto(_current_panel, number);
 }
 
+void
+edi_mainview_goto_start(void)
+{
+   if (edi_mainview_is_empty()) return;
+
+   edi_mainview_panel_goto_start(_current_panel);
+}
+
+void
+edi_mainview_goto_end(void)
+{
+   if (edi_mainview_is_empty()) return;
+
+   edi_mainview_panel_goto_end(_current_panel);
+}
+
 void
 edi_mainview_goto_position(unsigned int row, unsigned int col)
 {
diff --git a/src/bin/mainview/edi_mainview.h b/src/bin/mainview/edi_mainview.h
index 5e3e54c..20bdb32 100644
--- a/src/bin/mainview/edi_mainview.h
+++ b/src/bin/mainview/edi_mainview.h
@@ -221,6 +221,20 @@ void edi_mainview_search();
  */
 void edi_mainview_goto(unsigned int line);
 
+/**
+ * Go to the beginning of the file in the current view.
+ *
+ * @ingroup Content
+ */
+void edi_mainview_goto_start(void);
+
+/**
+ * Go to the end of the file in the current view.
+ *
+ * @ingroup Content
+ */
+void edi_mainview_goto_end(void);
+
 /**
  * Go to a requested line, column position in the current view's contents.
  *
diff --git a/src/bin/mainview/edi_mainview_panel.c b/src/bin/mainview/edi_mainview_panel.c
index c8b16a9..995b676 100644
--- a/src/bin/mainview/edi_mainview_panel.c
+++ b/src/bin/mainview/edi_mainview_panel.c
@@ -970,6 +970,68 @@ edi_mainview_panel_goto_position(Edi_Mainview_Panel *panel, unsigned int row, un
    elm_object_focus_set(editor->entry, EINA_TRUE);
 }
 
+
+void
+edi_mainview_panel_goto_end(Edi_Mainview_Panel *panel)
+{
+   Edi_Editor *editor;
+   Elm_Code *code;
+   Elm_Code_Line *line;
+   const char *ch;
+   unsigned int row, tabstop, length = 0;
+
+   if (!panel || !panel->current)
+     return;
+
+   editor = (Edi_Editor *)evas_object_data_get(panel->current->view, "editor");
+   if (!editor)
+     return;
+
+   code = elm_code_widget_code_get(editor->entry);
+   if (!code) return;
+
+   row = elm_code_file_lines_get(code->file);
+   if (row <= 0) return;
+
+   line = elm_code_file_line_get(code->file, row);
+   if (!line) return;
+
+   tabstop = elm_code_widget_tabstop_get(editor->entry);
+
+   for (ch = line->content; *ch; ch++)
+     {
+       if (*ch == '\t')
+         length += tabstop;
+       else
+         length++;
+     }
+
+   elm_code_widget_cursor_position_set(editor->entry, elm_code_file_lines_get(code->file), length);
+}
+
+void
+edi_mainview_panel_goto_start(Edi_Mainview_Panel *panel)
+{
+   Edi_Editor *editor;
+   Elm_Code *code;
+   unsigned int row;
+
+   if (!panel || !panel->current)
+     return;
+
+   editor = (Edi_Editor *)evas_object_data_get(panel->current->view, "editor");
+   if (!editor)
+     return;
+
+   code = elm_code_widget_code_get(editor->entry);
+   if (!code) return;
+
+   row = elm_code_file_lines_get(code->file);
+   if (row <= 0) return;
+
+   elm_code_widget_cursor_position_set(editor->entry, 1, 1);
+}
+
 static void
 _edi_mainview_panel_goto_popup_go_cb(void *data,
                              Evas_Object *obj EINA_UNUSED,
diff --git a/src/bin/mainview/edi_mainview_panel.h b/src/bin/mainview/edi_mainview_panel.h
index 8a6748e..49f774f 100644
--- a/src/bin/mainview/edi_mainview_panel.h
+++ b/src/bin/mainview/edi_mainview_panel.h
@@ -319,6 +319,24 @@ void edi_mainview_panel_goto_popup_show();
  */
 unsigned int edi_mainview_panel_item_count(Edi_Mainview_Panel *panel);
 
+/**
+ * Go to the beginning of the file in the panel's editor view.
+ *
+ * @param panel the mainview panel context
+ *
+ * @ingroup Content
+ */
+void edi_mainview_panel_goto_start(Edi_Mainview_Panel *panel);
+
+/**
+ * Go to the end of the file in the panel's editor view.
+ *
+ * @param panel the mainview panel context
+ *
+ * @ingroup Content
+ */
+void edi_mainview_panel_goto_end(Edi_Mainview_Panel *panel);
+
 /**
  * @}
  *