X-Git-Url: https://plomlompom.com/repos/berlin_corona.txt?a=blobdiff_plain;f=windows.c;h=7ef048a9c0d1cdcd7d3cf853d4a7a63a21e8ddc6;hb=2688beb3756a3d8fd4df72bd56d129f023431571;hp=92e33234704b89ade844bba1924e76110edd36af;hpb=d687309e59900a84f486cbbf928fe663261755ec;p=plomrogue

diff --git a/windows.c b/windows.c
index 92e3323..7ef048a 100644
--- a/windows.c
+++ b/windows.c
@@ -14,10 +14,9 @@ static void refit_pad (struct WinMeta *);
 static void place_window (struct WinMeta *, struct Win *);
 static void update_windows (struct WinMeta *, struct Win *);
 static void destroy_window (struct Win *);
-static void draw_windows_borders (struct Win *, struct Win *, struct Corners *, uint16_t);
-static void draw_window_borders (struct Win *, char);
+static void draw_wins_borders (struct Win *, struct Win *, struct Corners *, uint16_t);
+static void draw_win_borders (struct Win *, char);
 static void draw_windows (struct Win *);
-static void draw_vertical_scroll_hint (struct WinMeta *, uint16_t, uint32_t, char);
 
 extern struct WinMeta init_win_meta (WINDOW * screen) {
 // Create and populate WinMeta struct with sane default values.
@@ -90,55 +89,53 @@ extern void suspend_window (struct WinMeta * win_meta, struct Win * win) {
   if (0 == pad_refitted)                                                            // Refit pad if necessary.
     refit_pad(win_meta); }
 
-static void place_window (struct WinMeta * win_meta, struct Win * win) {
+static void place_window (struct WinMeta * win_meta, struct Win * w) {
 // Based on position and sizes of previous window, find fitting place for current window.
-  win->start.x = 0;                                // if window is first in chain, place it on top-left corner
-  win->start.y = 1;
-  if (0 != win->prev) {
-    struct Win * win_top = win->prev;
-    while (win_top->start.y != 1)
-      win_top = win_top->prev;                                   // else, default to placing window in new top
-    win->start.x = win_top->start.x + win_top->frame.size.x + 1; // column to the right of the last one
-    uint16_t winprev_maxy = win->prev->start.y + getmaxy(win->prev->frame.curses_win);
-    if (   win->frame.size.x <= win->prev->frame.size.x
-        && win->frame.size.y < win_meta->pad.size.y - winprev_maxy) {
-      win->start.x = win->prev->start.x;                   // place window below previous window if it fits
-      win->start.y = winprev_maxy + 1; }                   // vertically and is not wider than its predecessor
+  w->start.x = 0;                                  // if window is first in chain, place it on top-left corner
+  w->start.y = 1;
+  if (0 != w->prev) {
+    struct Win * w_top = w->prev;
+    while (w_top->start.y != 1)
+      w_top = w_top->prev;                                       // else, default to placing window in new top
+    w->start.x = w_top->start.x + w_top->frame.size.x + 1;       // column to the right of the last one
+    uint16_t w_prev_maxy = w->prev->start.y + getmaxy(w->prev->frame.curses_win);
+    if (w->frame.size.x <= w->prev->frame.size.x && w->frame.size.y < win_meta->pad.size.y - w_prev_maxy) {
+      w->start.x = w->prev->start.x;                       // place window below previous window if it fits
+      w->start.y = w_prev_maxy + 1; }                      // vertically and is not wider than its predecessor
     else {
-      struct Win * win_up = win->prev;
-      struct Win * win_upup = win_up;
+      struct Win * w_up = w->prev;
+      struct Win * w_upup = w_up;
       uint16_t widthdiff;
-      while (win_up != win_top) {
-        win_upup = win_up->prev;
+      while (w_up != w_top) {
+        w_upup = w_up->prev;
         while (1) {
-          if (win_up->start.y != win_upup->start.y)
+          if (w_up->start.y != w_upup->start.y)
             break;
-          win_upup = win_upup->prev; }
-        winprev_maxy = win_upup->start.y + getmaxy(win_upup->frame.curses_win);
-        widthdiff = (win_upup->start.x + win_upup->frame.size.x) - (win_up->start.x + win_up->frame.size.x);
-        if (win->frame.size.y < win_meta->pad.size.y - winprev_maxy && win->frame.size.x < widthdiff) {
-          win->start.x = win_up->start.x + win_up->frame.size.x + 1 ; // else try to open new sub column under
-          win->start.y = winprev_maxy + 1;                     // last window below which enough space remains
+          w_upup = w_upup->prev; }
+        w_prev_maxy = w_upup->start.y + getmaxy(w_upup->frame.curses_win);
+        widthdiff = (w_upup->start.x + w_upup->frame.size.x) - (w_up->start.x + w_up->frame.size.x);
+        if (w->frame.size.y < win_meta->pad.size.y - w_prev_maxy && w->frame.size.x < widthdiff) {
+          w->start.x = w_up->start.x + w_up->frame.size.x + 1 ; // else try to open new sub column under
+          w->start.y = w_prev_maxy + 1;                        // last window below which enough space remains
           break; }
-        win_up = win_upup; } } } }
+        w_up = w_upup; } } } }
 
-static void update_windows (struct WinMeta * win_meta, struct Win * win) {
+static void update_windows (struct WinMeta * wmeta, struct Win * w) {
 // Update geometry of win and its next of kin. Destroy (if visible), (re-)build window. If need, resize pad.
-  if (0 != win->frame.curses_win)
-    destroy_window (win);
-  place_window(win_meta, win);
-  refit_pad(win_meta);
-  win->frame.curses_win = subpad(win_meta->pad.curses_win, win->frame.size.y, win->frame.size.x, win->start.y,
-                                 win->start.x);
-  if (0 != win->next)
-    update_windows (win_meta, win->next); }
+  if (0 != w->frame.curses_win)
+    destroy_window (w);
+  place_window(wmeta, w);
+  refit_pad(wmeta);
+  w->frame.curses_win=subpad(wmeta->pad.curses_win, w->frame.size.y, w->frame.size.x, w->start.y, w->start.x);
+  if (0 != w->next)
+    update_windows (wmeta, w->next); }
 
 static void destroy_window (struct Win * win) {
 // Delete window.
   delwin(win->frame.curses_win);
   win->frame.curses_win = 0; }
 
-static void draw_window_borders (struct Win * win, char active) {
+static void draw_win_borders (struct Win * win, char active) {
 // Draw borders of window win, including title. Decorate in a special way if window is marked as active.
   uint16_t y, x;
   for (y = win->start.y; y <= win->start.y + win->frame.size.y; y++) {
@@ -162,23 +159,22 @@ static void draw_window_borders (struct Win * win, char active) {
     title[length_visible + 2] = '\0';
     mvwaddstr(wgetparent(win->frame.curses_win), win->start.y - 1, win->start.x + title_offset, title); } }
 
-static void draw_windows_borders (struct Win * win, struct Win * win_active, struct Corners * corners,
-                                  uint16_t ccount) {
-// Craw draw_window_borders() for all windows in chain from win on. Save current window's border corners.
+static void draw_wins_borders (struct Win * w, struct Win * w_active, struct Corners * corners, uint16_t i) {
+// Call draw_win_borders() for all windows in chain from win on. Save current window's border corners.
   char active = 0;
-  if (win == win_active)
+  if (w == w_active)
     active = 1;
-  draw_window_borders(win, active);
-  corners[ccount].tl.y = win->start.y - 1;
-  corners[ccount].tl.x = win->start.x - 1;
-  corners[ccount].tr.y = win->start.y - 1;
-  corners[ccount].tr.x = win->start.x + win->frame.size.x;
-  corners[ccount].bl.y = win->start.y + win->frame.size.y;
-  corners[ccount].bl.x = win->start.x - 1;
-  corners[ccount].br.y = win->start.y + win->frame.size.y;
-  corners[ccount].br.x = win->start.x + win->frame.size.x;
-  if (0 != win->next) {
-    draw_windows_borders (win->next, win_active, corners, ccount + 1); } }
+  draw_win_borders(w, active);
+  corners[i].tl.y = w->start.y - 1;
+  corners[i].tl.x = w->start.x - 1;
+  corners[i].tr.y = w->start.y - 1;
+  corners[i].tr.x = w->start.x + w->frame.size.x;
+  corners[i].bl.y = w->start.y + w->frame.size.y;
+  corners[i].bl.x = w->start.x - 1;
+  corners[i].br.y = w->start.y + w->frame.size.y;
+  corners[i].br.x = w->start.x + w->frame.size.x;
+  if (0 != w->next) {
+    draw_wins_borders (w->next, w_active, corners, i + 1); } }
 
 static void draw_windows (struct Win * win) {
 // Draw contents of all windows in window chain from win on.
@@ -186,54 +182,60 @@ static void draw_windows (struct Win * win) {
   if (0 != win->next) {
     draw_windows (win->next); } }
 
-static void draw_vertical_scroll_hint (struct WinMeta * win_meta, uint16_t x, uint32_t more_cols, char dir) {
-// Draw scroll hint line in win at col x of pad display, announce more_cols more columns in direction dir.
-  uint16_t y, offset;
-  char phrase[] = "more columns";
-  char * scrolldesc = malloc((3 * sizeof(char)) + strlen(phrase) + 10);  // 10 = max chars for uint32_t string
-  sprintf(scrolldesc, " %d %s ", more_cols, phrase);
-  offset = 1;
-  if (win_meta->pad.size.y > (strlen(scrolldesc) + 1))
-    offset = (win_meta->pad.size.y - strlen(scrolldesc)) / 2;
-  for (y = 0; y < win_meta->pad.size.y; y++)
-    if (y >= offset && y < strlen(scrolldesc) + offset)
-      mvwaddch(win_meta->pad.curses_win, y, x, scrolldesc[y - offset] | A_REVERSE);
+extern void draw_scroll_hint (struct Frame * frame, uint16_t pos, uint32_t dist, char dir) {
+// Draw scroll hint into frame at pos (row or col dependend on dir), mark distance of dist cells into dir.
+  char more[] = "more";
+  char unit_cols[] = "columns";
+  char unit_rows[] = "lines";
+  uint16_t dsc_space = frame->size.x;
+  char * unit = unit_rows;
+  if ('<' == dir || '>' == dir) {
+    dsc_space = frame->size.y;
+    unit = unit_cols; }
+  char * scrolldsc = malloc((4 * sizeof(char)) + strlen(more) + strlen(unit) + 10);  // 10 = uint32 max strlen
+  sprintf(scrolldsc, " %d %s %s ", dist, more, unit);
+  char offset = 1, q;
+  if (dsc_space > strlen(scrolldsc) + 1)
+    offset = (dsc_space - strlen(scrolldsc)) / 2;
+  chtype symbol;
+  for (q = 0; q < dsc_space; q++) {
+    if (q >= offset && q < strlen(scrolldsc) + offset)
+      symbol = scrolldsc[q - offset] | A_REVERSE;
+    else
+      symbol = dir | A_REVERSE;
+    if ('<' == dir || '>' == dir)
+      mvwaddch(frame->curses_win, q, pos, symbol);
     else
-      mvwaddch(win_meta->pad.curses_win, y, x, dir | A_REVERSE);
-  free(scrolldesc); }
+      mvwaddch(frame->curses_win, pos, q, symbol); }
+  free(scrolldsc); }
 
-extern void draw_all_windows (struct WinMeta * win_meta) {
+extern void draw_all_windows (struct WinMeta * wmeta) {
 // Draw pad with all windows and their borders, plus scrolling hints.
   erase();
-  wnoutrefresh(win_meta->screen);
-  werase(win_meta->pad.curses_win);
-  if (win_meta->chain_start) {
-    uint16_t n_wins = 1;
-    struct Win * win_p = win_meta->chain_start;
+  wnoutrefresh(wmeta->screen);
+  werase(wmeta->pad.curses_win);
+  if (wmeta->chain_start) {
+    uint16_t n_wins = 1, i, y;
+    struct Win * win_p = wmeta->chain_start;
     while (0 != win_p->next) {
       win_p = win_p->next;
       n_wins++; }
     struct Corners * all_corners = malloc(sizeof(struct Corners) * n_wins);
-    draw_windows (win_meta->chain_start);
-    draw_windows_borders (win_meta->chain_start, win_meta->active, all_corners, 0);
-    uint16_t i;
+    draw_windows (wmeta->chain_start);
+    draw_wins_borders (wmeta->chain_start, wmeta->active, all_corners, 0);
     for (i = 0; i < n_wins; i++) {
-      mvwaddch(win_meta->pad.curses_win, all_corners[i].tl.y, all_corners[i].tl.x, '+');
-      mvwaddch(win_meta->pad.curses_win, all_corners[i].tr.y, all_corners[i].tr.x, '+');
-      mvwaddch(win_meta->pad.curses_win, all_corners[i].bl.y, all_corners[i].bl.x, '+');
-      mvwaddch(win_meta->pad.curses_win, all_corners[i].br.y, all_corners[i].br.x, '+'); }
+      mvwaddch(wmeta->pad.curses_win, all_corners[i].tl.y, all_corners[i].tl.x, '+');
+      mvwaddch(wmeta->pad.curses_win, all_corners[i].tr.y, all_corners[i].tr.x, '+');
+      mvwaddch(wmeta->pad.curses_win, all_corners[i].bl.y, all_corners[i].bl.x, '+');
+      mvwaddch(wmeta->pad.curses_win, all_corners[i].br.y, all_corners[i].br.x, '+'); }
     free(all_corners);
-    uint16_t y;
-    if (win_meta->pad_offset > 0)
-      draw_vertical_scroll_hint(win_meta, win_meta->pad_offset, win_meta->pad_offset + 1, '<');
-    if (win_meta->pad_offset + win_meta->pad.size.x < getmaxx(win_meta->pad.curses_win) - 1)
-      for (y = 0; y < win_meta->pad.size.y; y++)
-        draw_vertical_scroll_hint(win_meta, win_meta->pad_offset + win_meta->pad.size.x - 1,
-                                  getmaxx(win_meta->pad.curses_win) - (win_meta->pad_offset
-                                                                       + win_meta->pad.size.x),
-                                  '>');
-    pnoutrefresh(win_meta->pad.curses_win, 0, win_meta->pad_offset, 0, 0, win_meta->pad.size.y,
-                 win_meta->pad.size.x - 1); }
+    if (wmeta->pad_offset > 0)
+      draw_scroll_hint(&wmeta->pad, wmeta->pad_offset, wmeta->pad_offset + 1, '<');
+    if (wmeta->pad_offset + wmeta->pad.size.x < getmaxx(wmeta->pad.curses_win) - 1)
+      for (y = 0; y < wmeta->pad.size.y; y++)
+        draw_scroll_hint(&wmeta->pad, wmeta->pad_offset + wmeta->pad.size.x - 1,
+                         getmaxx(wmeta->pad.curses_win) - (wmeta->pad_offset + wmeta->pad.size.x), '>');
+    pnoutrefresh(wmeta->pad.curses_win, 0, wmeta->pad_offset, 0, 0, wmeta->pad.size.y, wmeta->pad.size.x-1); }
   doupdate(); }
 
 extern void resize_active_window (struct WinMeta * win_meta, uint16_t height, uint16_t width) {