display content line by line + corrected key codes

[smdp.git] / viewer.c

diff --git a/viewer.c b/viewer.c
index d6b5c85..6dac23b 100644 (file)
--- a/viewer.c
+++ b/viewer.c
@@ -23,11 +23,13 @@ static short red_ramp[24]   = { 16,  52,  52,  53,  53,  89,
 int ncurses_display(deck_t *deck, int notrans, int nofade) {
 
     int c = 0;          // char
+    int l = 0;          // line number
     int colors = 0;     // amount of colors supported
     int fade = 0;       // disable color fading by default
     int trans = -1;     // enable transparency if term supports it
     int max_lines = 0;  // max lines per slide
     int max_cols = 0;   // max columns per line
+    int offset;         // text offset
 
     // header line 1 is displayed at the top
     int bar_top = (deck->headers > 0) ? 1 : 0;
@@ -113,18 +115,31 @@ int ncurses_display(deck_t *deck, int notrans, int nofade) {
 
     // setup header
     if(bar_top) {
-        //TODO move cursor to calculated indentation
-        wmove(stdscr, 0, 1);
-        //TODO add text to header
-        wprintw(stdscr, "header");
+        line = deck->header;
+        offset = next_blank(line->text, 0) + 1;
+        // add text to header
+        mvwprintw(stdscr,
+                  0, (COLS - line->length + offset) / 2,
+                  "%s", &line->text->text[offset]);
     }
 
     // setup footer
     if(bar_bottom) {
-        //TODO move cursor to calculated indentation
-        wmove(stdscr, LINES - 1, 1);
-        //TODO add text to footer
-        wprintw(stdscr, "footer");
+        line = deck->header->next;
+        offset = next_blank(line->text, 0) + 1;
+        // add text to left footer
+        mvwprintw(stdscr,
+                  LINES - 1, 3,
+                  "%s", &line->text->text[offset]);
+
+        if(deck->headers > 2) {
+            line = deck->header->next->next;
+            offset = next_blank(line->text, 0) + 1;
+            // add text to right footer
+            mvwprintw(stdscr,
+                      LINES - 1, COLS - line->length + offset - 3,
+                      "%s", &line->text->text[offset]);
+        }
     }
 
     // make header + fooder visible
@@ -140,8 +155,15 @@ int ncurses_display(deck_t *deck, int notrans, int nofade) {
         // clear main window
         werase(content);
 
-        //TODO print lines
-        wprintw(content, "content");
+        line = slide->line;
+        l = 0;
+
+        // print lines
+        while(line) {
+            add_line(content, l, (COLS - max_cols) / 2, line);
+            line = line->next;
+            l++;
+        }
 
         // make content visible
         wrefresh(content);
@@ -159,7 +181,9 @@ int ncurses_display(deck_t *deck, int notrans, int nofade) {
             // show previous slide
             case KEY_UP:
             case KEY_LEFT:
-            case KEY_BACKSPACE:
+            case 8:   // BACKSPACE (ascii)
+            case 127: // BACKSPACE (xterm)
+            case 263: // BACKSPACE (getty)
             case 'h':
             case 'k':
                 if(slide->prev)
@@ -169,7 +193,8 @@ int ncurses_display(deck_t *deck, int notrans, int nofade) {
             // show next slide
             case KEY_DOWN:
             case KEY_RIGHT:
-            case KEY_ENTER:
+            case '\n': // ENTER
+            case ' ':  // SPACE
             case 'j':
             case 'l':
                 if(slide->next)
@@ -194,6 +219,17 @@ int ncurses_display(deck_t *deck, int notrans, int nofade) {
     return(0);
 }
 
+void add_line(WINDOW *window, int y, int x, line_t *line) {
+    if(line->text->text) {
+        int offset = 0; // text offset
+        offset = next_nonblank(line->text, 0);
+        // print line to window
+        mvwprintw(window,
+                  y, x,
+                  "%s", &line->text->text[offset]);
+    }
+}
+
 void fade_out(WINDOW *window, int trans, int colors) {
     int i; // increment
     if(colors) {