-/* Stores a window's border corners. This is a helper to draw_all_wins() (and
- * filled by its helper draw_wins_borders()) which draws the horizontal and
- * vertical lines of all windows' borders first and the corner characters of
- * all windows only afterwards (so that corners are not overwritten by lines).
- * This delay of corner drawing necessitates temporarily storing their
- * coordinates (harvested during the previous border drawing activities) in a
- * series of such Corners structs to be released at the end.
- *
- * TODO: Maybe replace this complicated method by dropping the harvesting of
- * corners from draw_wins_borders() and instead collecting them in a second
- * border drawing cycle that repeats some cycles but works in a much more
- * straightforward way.
- */
-struct Corners
-{
- struct yx_uint16 tl;
- struct yx_uint16 tr;
- struct yx_uint16 bl;
- struct yx_uint16 br;
-};
-
-
-
/* Fit virtual screen's width to minimum width demanded by current windows'
* geometries.
*/
-/* draw_win_borders() Draws the vertical and horizontal borders of window "w"
- * sans corners, and draws the top border line as the windows' title bar
+/* draw_win_borderlines() draws the vertical and horizontal borders of window
+ * "w" sans corners, and draws the top border line as the windows' title bar
* (highlighted if the window is described active by "active" being set).
- * draw_wins_borders().
+ * draw_wins_borderlines().
+ *
+ * draw_wins_borderlines() calls draw_win_borderlines() recursively on all
+ * windows from "w" on. "w_active" is a pointer to the one window that
+ * draw_win_borderlines() is supposed to handle as the active window.
*
- * draw_wins_borders() calls draw_win_borders() recursively on all windows from
- * "w" on. It also fills "corners" with coordinates of each window's corners,
- * iterating over its Corners structs via the "i" index incremented by 1 over
- * each handled window. "w_active" is a pointer to the one window that
- * draw_win_borders() is supposed to handle as the active window.
+ * Finally, draw_wins_bordercorners draws into "pad" the borders of window "w"
+ * and all its successors.
*/
-static void draw_win_borders(struct Win * w, char active);
-static void draw_wins_borders(struct Win * w, struct Win * w_active,
- struct Corners * corners, uint16_t i);
+static void draw_win_borderlines(struct Win * w, char active);
+static void draw_wins_borderlines(struct Win * w, struct Win * w_active);
+static void draw_wins_bordercorners(struct Win * w, WINDOW * pad);
-static void draw_win_borders(struct Win * w, char active)
+static void draw_win_borderlines(struct Win * w, char active)
{
- /* Draw vertical and horizontal border lines. */
- uint16_t y, x;
- for (y = w->start.y; y <= w->start.y + w->frame.size.y; y++)
- {
- mvwaddch(wgetparent(w->frame.curses_win), y, w->start.x - 1, '|');
- mvwaddch(wgetparent(w->frame.curses_win),
- y, w->start.x + w->frame.size.x, '|');
- }
- for (x = w->start.x; x <= w->start.x + w->frame.size.x; x++)
- {
- mvwaddch(wgetparent(w->frame.curses_win), w->start.y - 1, x, '-');
- mvwaddch(wgetparent(w->frame.curses_win),
- w->start.y + w->frame.size.y, x, '-');
- }
-
- /* Draw as much as possible of the title into center of top border line. */
- char min_title_length_visible = 3; /* minimum 1 char + 2 padding/decoration */
- if (w->frame.size.x >= min_title_length_visible)
- {
- uint16_t title_offset = 0;
- if (w->frame.size.x > strlen(w->title) + 2)
+ /* Draw vertical and horizontal border lines. */
+ uint16_t y, x;
+ for (y = w->start.y; y <= w->start.y + w->frame.size.y; y++)
{
- title_offset = (w->frame.size.x - (strlen(w->title) + 2)) / 2; /* + 2 */
- } /* is for padding/decoration */
- uint16_t length_visible = strnlen(w->title, w->frame.size.x - 2);
- char title[length_visible + 3];
- char decoration = ' ';
- if (1 == active)
+ mvwaddch(wgetparent(w->frame.curses_win), y, w->start.x - 1, '|');
+ mvwaddch(wgetparent(w->frame.curses_win),
+ y, w->start.x + w->frame.size.x, '|');
+ }
+ for (x = w->start.x; x <= w->start.x + w->frame.size.x; x++)
+ {
+ mvwaddch(wgetparent(w->frame.curses_win), w->start.y - 1, x, '-');
+ mvwaddch(wgetparent(w->frame.curses_win),
+ w->start.y + w->frame.size.y, x, '-');
+ }
+
+ /* Draw as much as possible of the title into center of top border line. */
+ char min_title_length_visible = 3; /* min. 1 char + 2 padding/decoration */
+ if (w->frame.size.x >= min_title_length_visible)
{
- decoration = '$';
+ uint16_t title_offset = 0;
+ if (w->frame.size.x > strlen(w->title) + 2)
+ {
+ title_offset = (w->frame.size.x - (strlen(w->title) + 2)) / 2;
+ } /* +2 is for padding/decoration */
+ uint16_t length_visible = strnlen(w->title, w->frame.size.x - 2);
+ char title[length_visible + 3];
+ char decoration = ' ';
+ if (1 == active)
+ {
+ decoration = '$';
+ }
+ memcpy(title + 1, w->title, length_visible);
+ title[0] = title[length_visible + 1] = decoration;
+ title[length_visible + 2] = '\0';
+ mvwaddstr(wgetparent(w->frame.curses_win),
+ w->start.y - 1, w->start.x + title_offset, title);
}
- memcpy(title + 1, w->title, length_visible);
- title[0] = title[length_visible + 1] = decoration;
- title[length_visible + 2] = '\0';
- mvwaddstr(wgetparent(w->frame.curses_win),
- w->start.y - 1, w->start.x + title_offset, title);
- }
}
-static void draw_wins_borders(struct Win * w, struct Win * w_active,
- struct Corners * corners, uint16_t i)
+static void draw_wins_borderlines(struct Win * w, struct Win * w_active)
{
char active = 0;
if (w == w_active)
{
active = 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;
+ draw_win_borderlines(w, active);
if (0 != w->next)
{
- draw_wins_borders (w->next, w_active, corners, i + 1);
+ draw_wins_borderlines (w->next, w_active);
+ }
+}
+
+
+
+static void draw_wins_bordercorners(struct Win * w, WINDOW * pad)
+{
+ mvwaddch(pad, w->start.y - 1, w->start.x - 1, '+');
+ mvwaddch(pad, w->start.y - 1, w->start.x + w->frame.size.x, '+');
+ mvwaddch(pad, w->start.y + w->frame.size.y, w->start.x - 1, '+');
+ mvwaddch(pad,
+ w->start.y + w->frame.size.y, w->start.x + w->frame.size.x, '+');
+ if (0 != w->next)
+ {
+ draw_wins_bordercorners(w->next, pad);
}
}
wrap = 1;
}
- /* Suspend all visible windows. */
+ /* Suspend all visible windows, remember their order in wins[]. */
uint16_t i, i_max;
- for (i_max = 1, w_p = wmeta->chain_start;
+ for (w_p = wmeta->chain_start, i_max = 1;
w_p != wmeta->chain_end;
- i_max++)
+ w_p = w_p->next)
{
- w_p = w_p->next;
+ i_max++;
}
struct Win ** wins = malloc(i_max * sizeof(struct Win *));
- for (i = 0, w_p = wmeta->chain_start; i < i_max; i++)
+ for (i = 0, w_p = wmeta->chain_start;
+ i < i_max;
+ i++)
{
w_p_next = w_p->next;
suspend_win(wmeta, w_p);
}
free(wins);
- wmeta->active = w_shift; /* TODO: Is this necessary? If so, why? */
+ wmeta->active = w_shift; /* Otherwise lastly appended win is active. */
}
}
if (wmeta->chain_start)
{
- /* Only draw the windows' *contents* first. */
- draw_wins (wmeta->chain_start);
-
- /* Draw windows' borders. Lines first, then line crossings / corners. */
- uint16_t n_wins = 1, i;
- 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_wins_borders (wmeta->chain_start, wmeta->active, all_corners, 0);
- for (i = 0; i < n_wins; i++)
- {
- 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);
+ /* Draw windows' contents first, then their borders. */
+ draw_wins(wmeta->chain_start);
+ draw_wins_borderlines(wmeta->chain_start, wmeta->active);
+ draw_wins_bordercorners(wmeta->chain_start, wmeta->pad.curses_win);
/* Draw virtual screen scroll hints. */
if (wmeta->pad_offset > 0)
unit = unit_cols;
}
char * scrolldsc = malloc((4 * sizeof(char)) + strlen(more) + strlen(unit)
- + 10); /* 10 = uint32 max strlen */
+ + 10); /* 10 = uint32 max strlen */
sprintf(scrolldsc, " %d %s %s ", dist, more, unit);
/* Decide on offset of the description text inside the scroll hint line. */
projects / plomrogue / blobdiff