Make the sidebar live in a proper independent window.

[apps/madmutt.git] / lib-ui / layout.c

diff --git a/lib-ui/layout.c b/lib-ui/layout.c
new file mode 100644 (file)
index 0000000..bb7abc3
--- /dev/null
+++ b/lib-ui/layout.c
@@ -0,0 +1,145 @@
+/*
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or (at
+ *  your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA 02110-1301, USA.
+ *
+ *  Copyright © 2006 Pierre Habouzit
+ */
+
+#include <lib-ui/lib-ui.h>
+
+#include <termios.h>
+#ifdef HAVE_SYS_IOCTL_H
+#  include <sys/ioctl.h>
+#elif defined(HAVE_IOCTL_H)
+#  include <ioctl.h>
+#endif
+
+static struct {
+    int rows, cols;
+    WINDOW *sidebar;
+    WINDOW *main;
+} layout;
+
+void mutt_need_hard_redraw(void)
+{
+    keypad(stdscr, true);
+    clearok(stdscr, true);
+    set_option(OPTNEEDREDRAW);
+}
+
+void mutt_refresh(void)
+{
+    /* don't refresh when we are waiting for a child. */
+    if (option(OPTKEEPQUIET))
+        return;
+
+#if 0 /* MC: WHY ? */
+    /* don't refresh in the middle of macros unless necessary */
+    if (UngetCount && !option(OPTFORCEREFRESH))
+        return;
+#endif
+
+    /* else */
+    wrefresh(stdscr);
+    if (layout.sidebar)
+        wrefresh(layout.sidebar);
+}
+
+void mutt_endwin(const char *msg)
+{
+    if (!option(OPTNOCURSES)) {
+        CLEARLINE(LINES - 1);
+
+        if (layout.sidebar) {
+            delwin(layout.sidebar);
+            layout.sidebar = NULL;
+        }
+        if (layout.main) {
+            delwin(layout.main);
+            layout.main = NULL;
+        }
+
+        wattrset(stdscr, A_NORMAL);
+        mutt_refresh();
+        endwin();
+    }
+
+    if (!m_strisempty(msg)) {
+        puts(msg);
+        fflush(stdout);
+    }
+}
+
+void ui_layout_init(void)
+{
+    SETCOLOR(MT_COLOR_NORMAL);
+    wclear(stdscr);
+    mutt_error   = mutt_curses_error;
+    mutt_message = mutt_curses_message;
+
+    getmaxyx(stdscr, layout.rows, layout.cols);
+}
+
+void ui_layout_resize(void)
+{
+    if (SigWinch) {
+        int fd;
+        struct winsize w;
+
+        layout.rows = layout.cols = -1;
+
+        if ((fd = open("/dev/tty", O_RDONLY)) != -1) {
+            if (ioctl(fd, TIOCGWINSZ, &w) != -1) {
+                layout.rows = w.ws_row;
+                layout.cols = w.ws_col;
+            }
+            close(fd);
+        }
+        if (layout.rows <= 0) {
+            layout.rows = atoi(getenv("LINES") ?: "24");
+        }
+        if (layout.cols <= 0) {
+            layout.cols = atoi(getenv("COLUMNS") ?: "80");
+        }
+        resizeterm(layout.rows, layout.cols);
+        SigWinch = 0;
+        /* force a real complete redraw. */
+        clearok(stdscr, true);
+    }
+}
+
+WINDOW *ui_layout_sidebar_w(void)
+{
+    if (option(OPTMBOXPANE) && SidebarWidth > 1 && SidebarWidth < layout.cols)
+    {
+        int sw, sh;
+
+        if (!layout.sidebar) {
+            layout.sidebar = newwin(layout.rows - 1, SidebarWidth, 0, 0);
+        }
+
+        getmaxyx(layout.sidebar, sh, sw);
+
+        if (sh != layout.rows - 1 || sw != SidebarWidth) {
+            wresize(layout.sidebar, layout.rows - 1, SidebarWidth);
+        }
+    } else {
+        if (layout.sidebar) {
+            delwin(layout.sidebar);
+            layout.sidebar = NULL;
+        }
+    }
+    return layout.sidebar;
+}