X-Git-Url: https://plomlompom.com/repos/index.html?a=blobdiff_plain;f=windows.c;h=3f9cda8c200cba85f50e1bd3f765c9b6ff36267e;hb=9719816eebca3b914d530a751bff6ab3cd7f0daf;hp=775f32478df04f3a2f98a26c35d425aa96d177a4;hpb=0dd958b76e3ef1c2819fa13461b37b8b680ecb66;p=plomrogue
diff --git a/windows.c b/windows.c
index 775f324..3f9cda8 100644
--- a/windows.c
+++ b/windows.c
@@ -19,7 +19,7 @@ struct WinMeta init_win_meta (WINDOW * screen) {
void scroll_pad (struct WinMeta * win_meta, char dir) {
// Scroll pad left or right (if possible).
- if ('+' == dir && win_meta->pad_offset + win_meta->width < getmaxx(win_meta->pad))
+ if ('+' == dir && win_meta->pad_offset + win_meta->width < getmaxx(win_meta->pad) - 1)
win_meta->pad_offset++;
else if ('-' == dir && win_meta->pad_offset > 0)
win_meta->pad_offset--; }
@@ -49,23 +49,34 @@ void append_window (struct WinMeta * win_meta, struct Win * win) {
update_windows(win_meta, win); }
void suspend_window (struct WinMeta * win_meta, struct Win * win) {
-// Destroy win, suspend from window chain. Update geometry of following rows, as well as activity selection.
+// Destroy win, suspend from chain. Update geometry of following rows and pad, as well as activity selection.
destroy_window(win);
if (win_meta->chain_start != win) // Give win's position in the chain to element next to it in the chain.
win->prev->next = win->next;
else
win_meta->chain_start = win->next;
+ char pad_refitted = 0;
if (win_meta->chain_end != win) { // Let chain element next to win know its new predecessor.
win->next->prev = win->prev;
if (win_meta->active == win) // If win was active, shift active window pointer to
win_meta->active = win->next; // the next chain element, if that is a window ...
- update_windows(win_meta, win->next); }
+ update_windows(win_meta, win->next);
+ pad_refitted = 1; }
else {
win_meta->chain_end = win->prev;
if (win_meta->active == win) // ... or else to the previous element.
win_meta->active = win->prev; }
win->prev = 0;
- win->next = 0; }
+ win->next = 0;
+ if (0 == pad_refitted) { // Refit pad if necessary.
+ uint16_t lastwincol = 0;
+ struct Win * win_p = win_meta->chain_start;
+ while (win_p != 0) {
+ if (getbegx(win_p->curses) + win_p->width > lastwincol + 1)
+ lastwincol = getbegx(win_p->curses) + win_p->width - 1;
+ win_p = win_p->next; }
+ if (getmaxx(win_meta->pad) != lastwincol)
+ wresize(win_meta->pad, getmaxy(win_meta->pad), lastwincol + 2); } }
struct yx place_window (struct WinMeta * win_meta, struct Win * win) {
// Based on position and sizes of previous window, find fitting place for current window.
@@ -113,8 +124,8 @@ void update_windows (struct WinMeta * win_meta, struct Win * win) {
else if (win_p == win && startyx.x + win->width > lastwincol + 1)
lastwincol = startyx.x + win->width - 1;
win_p = win_p->next; }
- if (getmaxx(win_meta->pad) != lastwincol) {
- wresize(win_meta->pad, getmaxy(win_meta->pad), lastwincol + 2); }
+ if (getmaxx(win_meta->pad) != lastwincol)
+ wresize(win_meta->pad, getmaxy(win_meta->pad), lastwincol + 2);
win->curses = subpad(win_meta->pad, win->height, win->width, startyx.y, startyx.x);
if (0 != win->next)
update_windows (win_meta, win->next); }
@@ -171,8 +182,24 @@ void draw_windows (struct Win * win) {
if (0 != win->next) {
draw_windows (win->next); } }
+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->height > (strlen(scrolldesc) + 1))
+ offset = (win_meta->height - strlen(scrolldesc)) / 2;
+ for (y = 0; y < win_meta->height; y++)
+ if (y >= offset && y < strlen(scrolldesc) + offset)
+ mvwaddch(win_meta->pad, y, x, scrolldesc[y - offset] | A_REVERSE);
+ else
+ mvwaddch(win_meta->pad, y, x, dir | A_REVERSE);
+ free(scrolldesc); }
+
void draw_all_windows (struct WinMeta * win_meta) {
-// Draw all windows and their borders.
+// Draw pad with all windows and their borders, plus scrolling hints.
erase();
wnoutrefresh(win_meta->screen);
werase(win_meta->pad);
@@ -191,8 +218,15 @@ void draw_all_windows (struct WinMeta * win_meta) {
mvwaddch(win_meta->pad, all_corners[i].tr.y, all_corners[i].tr.x, '+');
mvwaddch(win_meta->pad, all_corners[i].bl.y, all_corners[i].bl.x, '+');
mvwaddch(win_meta->pad, all_corners[i].br.y, all_corners[i].br.x, '+'); }
- pnoutrefresh(win_meta->pad, 0, win_meta->pad_offset, 0, 0, win_meta->height, win_meta->width - 1);
- free(all_corners); }
+ 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->width < getmaxx(win_meta->pad) - 1)
+ for (y = 0; y < win_meta->height; y++)
+ draw_vertical_scroll_hint(win_meta, win_meta->pad_offset + win_meta->width - 1,
+ getmaxx(win_meta->pad) - (win_meta->pad_offset + win_meta->width), '>');
+ pnoutrefresh(win_meta->pad, 0, win_meta->pad_offset, 0, 0, win_meta->height, win_meta->width - 1); }
doupdate(); }
void resize_active_window (struct WinMeta * win_meta, uint16_t height, uint16_t width) {