Ticket 3948: can't create network link from panel...

other than file list (tree, quick view, info).

Initial step: extend file panel creation API:
  * create an empty panel;
  * create panel with specified size.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>

src/filemanager/boxes.c

@@ -715,28 +715,12 @@ panel_listing_box (WPanel * panel, int num, char **userp, char **minip, gboolean
                    int *brief_cols)
 {
     int result = -1;
-    char *section = NULL;
+    const char *p = NULL;
 
     if (panel == NULL)
     {
-        const char *p;
-        size_t i;
-
         p = get_nth_panel_name (num);
-        panel = g_new (WPanel, 1);
-        panel->list_format = list_full;
-        panel->user_format = g_strdup (DEFAULT_USER_FORMAT);
-        panel->user_mini_status = FALSE;
-        for (i = 0; i < LIST_FORMATS; i++)
-            panel->user_status_format[i] = g_strdup (DEFAULT_USER_FORMAT);
-        section = g_strconcat ("Temporal:", p, (char *) NULL);
-        if (!mc_config_has_group (mc_global.main_config, section))
-        {
-            g_free (section);
-            section = g_strdup (p);
-        }
-        panel_load_setup (panel, section);
-        g_free (section);
+        panel = panel_empty_new (p);
     }
 
     {
@@ -817,7 +801,7 @@ panel_listing_box (WPanel * panel, int num, char **userp, char **minip, gboolean
         }
     }
 
-    if (section != NULL)
+    if (p != NULL)
     {
         int i;
 

src/filemanager/layout.c

@@ -597,23 +597,23 @@ panel_do_cols (int idx)
 /** Save current list_view widget directory into panel */
 
 static Widget *
-restore_into_right_dir_panel (int idx, Widget * from_widget)
+restore_into_right_dir_panel (int idx, gboolean last_was_panel, int y, int x, int lines, int cols)
 {
     WPanel *new_widget;
-    const char *saved_dir = panels[idx].last_saved_dir;
-    gboolean last_was_panel = (from_widget && get_display_type (idx) != view_listing);
-    const char *p_name = get_nth_panel_name (idx);
+    const char *p_name;
+
+    p_name = get_nth_panel_name (idx);
 
     if (last_was_panel)
     {
         vfs_path_t *saved_dir_vpath;
 
-        saved_dir_vpath = vfs_path_from_str (saved_dir);
-        new_widget = panel_new_with_dir (p_name, saved_dir_vpath);
+        saved_dir_vpath = vfs_path_from_str (panels[idx].last_saved_dir);
+        new_widget = panel_sized_with_dir_new (p_name, y, x, lines, cols, saved_dir_vpath);
         vfs_path_free (saved_dir_vpath);
     }
     else
-        new_widget = panel_new (p_name);
+        new_widget = panel_sized_new (p_name, y, x, lines, cols);
 
     return WIDGET (new_widget);
 }
@@ -1032,9 +1032,13 @@ set_display_type (int num, panel_view_mode_t type)
     {
     case view_nothing:
     case view_listing:
-        new_widget = restore_into_right_dir_panel (num, old_widget);
-        widget_set_size (new_widget, y, x, lines, cols);
+        {
+            gboolean last_was_panel;
+
+            last_was_panel = old_widget != NULL && get_display_type (num) != view_listing;
+            new_widget = restore_into_right_dir_panel (num, last_was_panel, y, x, lines, cols);
             break;
+        }
 
     case view_info:
         new_widget = WIDGET (info_new (y, x, lines, cols));

src/filemanager/panel.c

@@ -4274,81 +4274,53 @@ panel_set_lwd (WPanel * panel, const vfs_path_t * vpath)
 
 /* --------------------------------------------------------------------------------------------- */
 /**
- * Panel creation for specified directory.
+ * Creatie an empty panel with specified size.
  *
- * @param panel_name specifies the name of the panel for setup retieving
- * @param wpath the path of working panel directory. If path is NULL then panel will be created
- * for current directory
+ * @param panel_name name of panel for setup retieving
  *
  * @return new instance of WPanel
  */
 
 WPanel *
-panel_new_with_dir (const char *panel_name, const vfs_path_t * vpath)
+panel_sized_empty_new (const char *panel_name, int y, int x, int lines, int cols)
 {
     WPanel *panel;
     Widget *w;
     char *section;
     int i, err;
-    char *curdir = NULL;
 
     panel = g_new0 (WPanel, 1);
     w = WIDGET (panel);
-    /* No know sizes of the panel at startup */
-    widget_init (w, 0, 0, 0, 0, panel_callback, panel_mouse_callback);
+    widget_init (w, y, x, lines, cols, panel_callback, panel_mouse_callback);
     w->options |= WOP_SELECTABLE | WOP_TOP_SELECT;
 
-    if (vpath != NULL)
-    {
-        curdir = _vfs_get_cwd ();
-        panel_set_cwd (panel, vpath);
-    }
-    else
-    {
-        vfs_setup_cwd ();
-        panel->cwd_vpath = vfs_path_clone (vfs_get_raw_current_dir ());
-    }
-
-    panel_set_lwd (panel, vfs_get_raw_current_dir ());
-
-    panel->hist_name = g_strconcat ("Dir Hist ", panel_name, (char *) NULL);
-    /* directories history will be get later */
-
     panel->dir.size = DIR_LIST_MIN_SIZE;
     panel->dir.list = g_new (file_entry_t, panel->dir.size);
     panel->dir.len = 0;
-    panel->active = 0;
-    panel->filter = NULL;
+
     panel->list_cols = 1;
     panel->brief_cols = 2;
-    panel->top_file = 0;
-    panel->selected = 0;
-    panel->marked = 0;
-    panel->total = 0;
     panel->dirty = 1;
-    panel->searching = FALSE;
-    panel->dirs_marked = 0;
-    panel->is_panelized = FALSE;
-    panel->format = NULL;
-    panel->status_format = NULL;
     panel->format_modified = 1;
     panel->content_shift = -1;
     panel->max_shift = -1;
 
-    panel->panel_name = g_strdup (panel_name);
+    panel->list_format = list_full;
     panel->user_format = g_strdup (DEFAULT_USER_FORMAT);
 
+    for (i = 0; i < LIST_FORMATS; i++)
+        panel->user_status_format[i] = g_strdup (DEFAULT_USER_FORMAT);
+
 #ifdef HAVE_CHARSET
     panel->codepage = SELECT_CHARSET_NO_TRANSLATE;
 #endif
 
-    for (i = 0; i < LIST_FORMATS; i++)
-        panel->user_status_format[i] = g_strdup (DEFAULT_USER_FORMAT);
-
-    panel->search_buffer[0] = '\0';
-    panel->prev_search_buffer[0] = '\0';
     panel->frame_size = frame_half;
 
+    panel->panel_name = g_strdup (panel_name);
+    panel->hist_name = g_strconcat ("Dir Hist ", panel->panel_name, (char *) NULL);
+    /* directories history will be get later */
+
     section = g_strconcat ("Temporal:", panel->panel_name, (char *) NULL);
     if (!mc_config_has_group (mc_global.main_config, section))
     {
@@ -4363,14 +4335,52 @@ panel_new_with_dir (const char *panel_name, const vfs_path_t * vpath)
     if (err != 0)
         set_panel_formats (panel);
 
-#ifdef HAVE_CHARSET
-    {
-        const vfs_path_element_t *path_element;
+    return panel;
+}
 
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Panel creation for specified size and directory.
+ *
+ * @param panel_name name of panel for setup retieving
+ * @param y y coordinate of top-left corner
+ * @param x x coordinate of top-left corner
+ * @param lines vertical size
+ * @param cols horizontal size
+ * @param vpath working panel directory. If NULL then current directory is used
+ *
+ * @return new instance of WPanel
+ */
+
+WPanel *
+panel_sized_with_dir_new (const char *panel_name, int y, int x, int lines, int cols,
+                          const vfs_path_t * vpath)
+{
+    WPanel *panel;
+    char *curdir = NULL;
+#ifdef HAVE_CHARSET
+    const vfs_path_element_t *path_element;
+#endif
+
+    panel = panel_sized_empty_new (panel_name, y, x, lines, cols);
+
+    if (vpath != NULL)
+    {
+        curdir = _vfs_get_cwd ();
+        panel_set_cwd (panel, vpath);
+    }
+    else
+    {
+        vfs_setup_cwd ();
+        panel->cwd_vpath = vfs_path_clone (vfs_get_raw_current_dir ());
+    }
+
+    panel_set_lwd (panel, vfs_get_raw_current_dir ());
+
+#ifdef HAVE_CHARSET
     path_element = vfs_path_get_by_index (panel->cwd_vpath, -1);
     if (path_element->encoding != NULL)
         panel->codepage = get_codepage_index (path_element->encoding);
-    }
 #endif
 
     if (mc_chdir (panel->cwd_vpath) != 0)
@@ -4391,10 +4401,12 @@ panel_new_with_dir (const char *panel_name, const vfs_path_t * vpath)
     if (curdir != NULL)
     {
         vfs_path_t *tmp_vpath;
+        int err;
 
         tmp_vpath = vfs_path_from_str (curdir);
         err = mc_chdir (tmp_vpath);
         vfs_path_free (tmp_vpath);
+        (void) err;
     }
     g_free (curdir);
 

src/filemanager/panel.h

@@ -153,7 +153,10 @@ extern mc_fhl_t *mc_filehighlight;
 
 /*** declarations of public functions ************************************************************/
 
-WPanel *panel_new_with_dir (const char *panel_name, const vfs_path_t * vpath);
+WPanel *panel_sized_empty_new (const char *panel_name, int y, int x, int lines, int cols);
+WPanel *panel_sized_with_dir_new (const char *panel_name, int y, int x, int lines, int cols,
+                                  const vfs_path_t * vpath);
+
 void panel_clean_dir (WPanel * panel);
 
 void panel_reload (WPanel * panel);
@@ -195,11 +198,45 @@ gboolean do_cd (const vfs_path_t * new_dir_vpath, enum cd_enum cd_type);
 
 /* --------------------------------------------------------------------------------------------- */
 /*** inline functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Empty panel creation.
+ *
+ * @param panel_name name of panel for setup retieving
+ *
+ * @return new instance of WPanel
+ */
+
+static inline WPanel *
+panel_empty_new (const char *panel_name)
+{
+    /* Unknown sizes of the panel at startup */
+    return panel_sized_empty_new (panel_name, 0, 0, 1, 1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Panel creation for specified directory.
+ *
+ * @param panel_name name of panel for setup retieving
+ * @param vpath working panel directory. If NULL then current directory is used
+ *
+ * @return new instance of WPanel
+ */
+
+static inline WPanel *
+panel_with_dir_new (const char *panel_name, const vfs_path_t * vpath)
+{
+    /* Unknown sizes of the panel at startup */
+    return panel_sized_with_dir_new (panel_name, 0, 0, 1, 1, vpath);
+}
+
+
 /* --------------------------------------------------------------------------------------------- */
 /**
  * Panel creation.
  *
- * @param panel_name the name of the panel for setup retieving
+ * @param panel_name name of panel for setup retieving
  *
  * @return new instance of WPanel
  */
@@ -207,7 +244,26 @@ gboolean do_cd (const vfs_path_t * new_dir_vpath, enum cd_enum cd_type);
 static inline WPanel *
 panel_new (const char *panel_name)
 {
-    return panel_new_with_dir (panel_name, NULL);
+    return panel_with_dir_new (panel_name, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Panel creation with specified size.
+ *
+ * @param panel_name name of panel for setup retieving
+ * @param y y coordinate of top-left corner
+ * @param x x coordinate of top-left corner
+ * @param lines vertical size
+ * @param cols horizontal size
+ *
+ * @return new instance of WPanel
+ */
+
+static inline WPanel *
+panel_sized_new (const char *panel_name, int y, int x, int lines, int cols)
+{
+    return panel_sized_with_dir_new (panel_name, y, x, lines, cols, NULL);
 }
 
 /* --------------------------------------------------------------------------------------------- */