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introduce treeview navigation and collapsing

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This commit is contained in:
Florian Stinglmayr 2019-07-20 11:08:07 +02:00
parent d9c276c68c
commit 9a90773210
7 changed files with 169 additions and 12 deletions
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1
ncdc/include/ncdc/keycodes.h
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@ -15,6 +15,7 @@ typedef struct {
#define NCDC_BINDING(k, n, f) { .key = k, .name = n, .handler = (ncdc_keyhandler_t) f }
#define NCDC_BINDEND() { .key = {0}, .name = NULL, .handler = NULL }
extern ncdc_keybinding_t keys_guilds[];
extern ncdc_keybinding_t keys_emacs[];
extern ncdc_keybinding_t keys_mainwin[];

5
ncdc/include/ncdc/ncdc.h
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@ -37,6 +37,11 @@
#define return_if_true(v,r) do { if (v) return r; } while(0)
#define goto_if_true(v,l) do { if (v) goto l; } while(0)
typedef enum {
ncdc_colour_separator = 1,
ncdc_colour_treehighlight = 2,
} ncdc_colour_pair;
extern GPtrArray *sessions;
extern dc_session_t current_session;

7
ncdc/include/ncdc/treeview.h
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@ -29,4 +29,11 @@ ncdc_treeview_t ncdc_treeview_new(void);
ncdc_treeitem_t ncdc_treeview_root(ncdc_treeview_t t);
void ncdc_treeview_render(ncdc_treeview_t t, WINDOW *w, int lines, int cols);
/* move the cursor around, and collapse/expand items
*/
void ncdc_treeview_previous(ncdc_treeview_t t);
void ncdc_treeview_next(ncdc_treeview_t t);
void ncdc_treeview_collapse(ncdc_treeview_t t);
void ncdc_treeview_expand(ncdc_treeview_t t);
#endif

17
ncdc/src/keycodes.c
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@ -2,6 +2,7 @@
#include <ncdc/mainwindow.h>
#include <ncdc/input.h>
#include <ncdc/treeview.h>
ncdc_keybinding_t *
ncdc_find_keybinding(ncdc_keybinding_t *keys, wchar_t const *key, size_t l)
@ -18,6 +19,22 @@ ncdc_find_keybinding(ncdc_keybinding_t *keys, wchar_t const *key, size_t l)
return NULL;
}
ncdc_keybinding_t keys_guilds[] = {
/* CTRL+KEY_UP
*/
NCDC_BINDING(L"\x1B[1;5A", L"previous-item", ncdc_treeview_previous),
/* CTRL+KEY_DOWN
*/
NCDC_BINDING(L"\x1B[1;5B", L"next-item", ncdc_treeview_next),
/* CTRL+KEY_RIGHT
*/
NCDC_BINDING(L"\x1B[1;5C", L"expand-item", ncdc_treeview_expand),
/* CTRL+KEY_LEFT
*/
NCDC_BINDING(L"\x1B[1;5D", L"collapse-item", ncdc_treeview_collapse),
NCDC_BINDEND()
};
ncdc_keybinding_t keys_mainwin[] = {
/* ALT+KEY_RIGHT
*/

14
ncdc/src/mainwindow.c
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@ -368,7 +368,9 @@ void ncdc_mainwindow_input_ready(ncdc_mainwindow_t n)
keylen = wcslen(key);
FILE *f = fopen("keys.txt", "a+");
fwprintf(f, L"KEY: %ls\n", key);
fwprintf(f, L"KEY: %02X %ls\n",
key[0], &key[1]
);
fclose(f);
}
@ -382,6 +384,12 @@ void ncdc_mainwindow_input_ready(ncdc_mainwindow_t n)
return;
}
if (key != NULL &&
(k = ncdc_find_keybinding(keys_guilds, key, keylen)) != NULL) {
k->handler(n->guildview);
return;
}
if (n->focus == FOCUS_INPUT) {
if (key == NULL) {
ncdc_input_feed(n->in, (wchar_t const *)&i, 1);
@ -422,11 +430,11 @@ void ncdc_mainwindow_refresh(ncdc_mainwindow_t n)
ncdc_input_draw(n->in, n->input);
wnoutrefresh(n->input);
wbkgd(n->sep1, COLOR_PAIR(1));
wbkgd(n->sep1, COLOR_PAIR(ncdc_colour_separator));
ncdc_mainwindow_render_status(n);
wnoutrefresh(n->sep1);
wbkgd(n->sep2, COLOR_PAIR(1));
wbkgd(n->sep2, COLOR_PAIR(ncdc_colour_separator));
wnoutrefresh(n->sep2);
ncdc_mainwindow_update_focus(n);

3
ncdc/src/ncdc.c
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@ -179,7 +179,8 @@ int main(int ac, char **av)
start_color();
use_default_colors();
init_pair(1, COLOR_WHITE, COLOR_BLUE);
init_pair(ncdc_colour_separator, COLOR_WHITE, COLOR_BLUE);
init_pair(ncdc_colour_treehighlight, COLOR_WHITE, COLOR_RED);
}
mainwin = ncdc_mainwindow_new();

134
ncdc/src/treeview.c
View File

@ -20,6 +20,14 @@ struct ncdc_treeitem_
/* user defined data
*/
void *tag;
/* highlight current item?
*/
bool highlight;
/* parent
*/
struct ncdc_treeitem_ *parent;
};
struct ncdc_treeview_
@ -86,6 +94,7 @@ void ncdc_treeitem_add(ncdc_treeitem_t i, ncdc_treeitem_t c)
{
return_if_true(i == NULL || c == NULL,);
g_ptr_array_add(i->children, dc_ref(c));
c->parent = i;
}
void ncdc_treeitem_remove(ncdc_treeitem_t i, ncdc_treeitem_t c)
@ -132,20 +141,43 @@ ncdc_treeitem_render(ncdc_treeitem_t t, WINDOW *win,
{
size_t i = 0, off = 0;
int ret = 0;
wchar_t *data = NULL;
size_t len = 0;
if (t->content != NULL) {
size_t len = wcslen(t->content);
if (t->highlight) {
wattron(win, COLOR_PAIR(ncdc_colour_treehighlight));
}
mvwaddwstr(win, l, c, t->content);
if (t->children->len > 0) {
aswprintf(&data, L"[%c] %ls",
(t->collapsed ? '-' : '+'),
t->content
);
} else {
data = wcsdup(t->content);
}
len = wcslen(data);
mvwaddwstr(win, l, c, data);
off = ((len + c) / cols) + 1;
free(data);
data = NULL;
if (t->highlight) {
wattroff(win, COLOR_PAIR(ncdc_colour_treehighlight));
}
}
for (i = 0; i < t->children->len; i++) {
ncdc_treeitem_t child = g_ptr_array_index(t->children, i);
ret = ncdc_treeitem_render(child, win, lines, cols,
l + off, c + 1
);
off += ret;
if (!t->collapsed) {
for (i = 0; i < t->children->len; i++) {
ncdc_treeitem_t child = g_ptr_array_index(t->children, i);
ret = ncdc_treeitem_render(child, win, lines, cols,
l + off, c + 1
);
off += ret;
}
}
return off;
@ -193,3 +225,89 @@ ncdc_treeitem_t ncdc_treeview_root(ncdc_treeview_t t)
return_if_true(t == NULL, NULL);
return t->root;
}
void ncdc_treeview_previous(ncdc_treeview_t t)
{
return_if_true(t == NULL,);
ncdc_treeitem_t cur = t->current;
ncdc_treeitem_t found = NULL, child = NULL;
size_t i = 0;
if (cur->parent != NULL) {
for (i = 0; i < cur->parent->children->len; i++) {
child = g_ptr_array_index(cur->parent->children, i);
if (child == cur && i > 0) {
found = g_ptr_array_index(cur->parent->children, i-1);
break;
}
}
}
if (found == NULL) {
cur = cur->parent;
} else {
cur = found;
}
if (cur == NULL) {
cur = t->root;
}
t->current->highlight = false;
cur->highlight = true;
t->current = cur;
}
void ncdc_treeview_next(ncdc_treeview_t t)
{
return_if_true(t == NULL,);
ncdc_treeitem_t cur = t->current;
ncdc_treeitem_t found = NULL;
ncdc_treeitem_t child = NULL;
size_t i = 0;
if (cur->children->len == 0 || cur->collapsed) {
while (cur != NULL && cur->parent != NULL && found == NULL) {
found = NULL;
for (i = 0; i < cur->parent->children->len; i++) {
child = g_ptr_array_index(cur->parent->children, i);
if (child == cur && i < cur->parent->children->len-1) {
found = g_ptr_array_index(cur->parent->children, i+1);
break;
}
}
if (found == NULL) {
cur = cur->parent;
}
}
cur = found;
} else if (cur->children->len > 0 && !cur->collapsed) {
cur = g_ptr_array_index(cur->children, 0);
}
if (cur == NULL) {
cur = t->root;
}
t->current->highlight = false;
cur->highlight = true;
t->current = cur;
}
void ncdc_treeview_collapse(ncdc_treeview_t t)
{
return_if_true(t == NULL || t->current == NULL,);
return_if_true(t->current == t->root,);
t->current->collapsed = true;
}
void ncdc_treeview_expand(ncdc_treeview_t t)
{
return_if_true(t == NULL || t->current == NULL,);
return_if_true(t->current == t->root,);
t->current->collapsed = false;
}