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[scrollbar] change the look of the scrollbar

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pull/97/head
Timothy Stack 10 years ago
parent 8a61902622
commit 601c19a537
7 changed files with 93 additions and 24 deletions
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2
src/line_buffer.hh
Unescape Escape View File

@ -230,7 +230,7 @@ private:
* offset in the file.
*/
time_t lb_file_time;
size_t lb_buffer_size; /*< The amount of cached data in the buffer. */
ssize_t lb_buffer_size; /*< The amount of cached data in the buffer. */
ssize_t lb_buffer_max; /*< The size of the buffer memory. */
bool lb_seekable; /*< Flag set for seekable file descriptors. */
off_t lb_last_line_offset; /*< */

32
src/listview_curses.cc
Unescape Escape View File

@ -39,6 +39,8 @@
using namespace std;
list_gutter_source listview_curses::DEFAULT_GUTTER_SOURCE;
listview_curses::listview_curses()
: lv_source(NULL),
lv_overlay_source(NULL),
@ -49,6 +51,7 @@ listview_curses::listview_curses()
lv_height(0),
lv_needs_update(true),
lv_show_scrollbar(true),
lv_gutter_source(&DEFAULT_GUTTER_SOURCE),
lv_word_wrap(false),
lv_scroll_accel(0),
lv_scroll_velo(0),
@ -172,7 +175,7 @@ void listview_curses::do_update(void)
}
this->get_dimensions(height, width);
wrap_width = width - (this->lv_word_wrap ? 1 : 0);
wrap_width = width - (this->lv_word_wrap ? 1 : this->lv_show_scrollbar ? 1 : 0);
row_count = this->get_inner_height();
row = this->lv_top;
@ -215,9 +218,10 @@ void listview_curses::do_update(void)
if (this->lv_show_scrollbar) {
double progress = 1.0;
double coverage = 1.0;
double adjusted_height = (double)row_count / (double)height;
vis_line_t lines;
if (this->get_inner_height() > 0) {
if (row_count > 0) {
progress = (double)this->lv_top / (double)row_count;
coverage = (double)height / (double)row_count;
}
@ -226,13 +230,23 @@ void listview_curses::do_update(void)
vis_line_t((int)(progress * (double)height));
lines = y + min(height, vis_line_t(
(int)(coverage * (double)height)));
for (; y <= lines; ++y) {
mvwchgat(this->lv_window,
y, width - 1,
1,
A_REVERSE, view_colors::ansi_color_pair(
COLOR_WHITE, COLOR_BLACK),
NULL);
for (int gutter_y = this->lv_y; gutter_y <= height; gutter_y++) {
int range_start = 0, range_end, ch, attrs = 0;
if (row_count > 0) {
range_start = (double)(gutter_y - this->lv_y) * adjusted_height;
}
range_end = range_start + adjusted_height;
this->lv_gutter_source->listview_gutter_value_for_range(
*this, range_start, range_end, ch, attrs);
if (gutter_y >= y && gutter_y <= lines) {
attrs |= A_REVERSE;
}
wattron(this->lv_window, attrs);
mvwaddch(this->lv_window, gutter_y, width - 1, ch);
wattroff(this->lv_window, attrs);
}
wmove(this->lv_window, this->lv_y + height - 1, 0);
}

20
src/listview_curses.hh
Unescape Escape View File

@ -74,6 +74,19 @@ public:
};
};
class list_gutter_source {
public:
virtual ~list_gutter_source() {
};
virtual void listview_gutter_value_for_range(const listview_curses &lv, int start, int end,
int &ch, int &attrs_out) {
ch = ACS_VLINE;
attrs_out = 0;
};
};
struct listview_overlay {
listview_overlay(int y, const attr_line_t &al) : lo_y(y), lo_line(al) { };
@ -132,6 +145,10 @@ public:
/** @return The data source delegate. */
list_data_source *get_data_source() const { return this->lv_source; };
void set_gutter_source(list_gutter_source *src) {
this->lv_gutter_source = src;
};
/** @param src The data source delegate. */
void set_overlay_source(list_overlay_source *src)
{
@ -425,6 +442,8 @@ protected:
LV_MODE_DRAG
};
static list_gutter_source DEFAULT_GUTTER_SOURCE;
std::string lv_title;
list_data_source * lv_source; /*< The data source delegate. */
list_overlay_source *lv_overlay_source;
@ -438,6 +457,7 @@ protected:
* is needed.
*/
bool lv_show_scrollbar; /*< Draw the scrollbar in the view. */
list_gutter_source *lv_gutter_source;
bool lv_word_wrap;
struct timeval lv_mouse_time;

29
src/lnav.cc
Unescape Escape View File

@ -160,6 +160,34 @@ static const char *view_titles[LNV__MAX] = {
"EXAMPLE",
};
class log_gutter_source : public list_gutter_source {
public:
void listview_gutter_value_for_range(const listview_curses &lv, int start, int end,
int &ch, int &attrs_out) {
textview_curses *tc = (textview_curses *)&lv;
vis_bookmarks &bm = tc->get_bookmarks();
vis_line_t next;
next = bm[&textview_curses::BM_USER].next(vis_line_t(start));
if (next != -1 && next <= end) {
ch = ACS_LTEE;
}
else {
ch = ACS_VLINE;
}
next = bm[&logfile_sub_source::BM_ERRORS].next(vis_line_t(start));
if (next != -1 && next <= end) {
attrs_out = view_colors::singleton().attrs_for_role(view_colors::VCR_ERROR);
}
else {
next = bm[&logfile_sub_source::BM_WARNINGS].next(vis_line_t(start));
if (next != -1 && next <= end) {
attrs_out = view_colors::singleton().attrs_for_role(view_colors::VCR_WARNING);
}
}
};
};
class field_overlay_source : public list_overlay_source {
public:
field_overlay_source(logfile_sub_source &lss)
@ -3633,6 +3661,7 @@ int main(int argc, char *argv[])
set_sub_source(&lnav_data.ld_log_source);
lnav_data.ld_views[LNV_LOG].
set_delegate(new action_delegate(lnav_data.ld_log_source));
lnav_data.ld_views[LNV_LOG].set_gutter_source(new log_gutter_source());
lnav_data.ld_views[LNV_TEXT].
set_sub_source(&lnav_data.ld_text_source);
lnav_data.ld_views[LNV_HISTOGRAM].

4
src/shared_buffer.hh
Unescape Escape View File

@ -40,7 +40,7 @@
class shared_buffer;
class shared_buffer_ref {
struct shared_buffer_ref {
public:
shared_buffer_ref(char *data = NULL, size_t len = 0)
: sb_owner(NULL), sb_data(data), sb_length(len) {
@ -168,7 +168,7 @@ public:
struct tmp_shared_buffer {
tmp_shared_buffer(const char *str, size_t len = -1) {
if (len == -1) {
if (len == (size_t)-1) {
len = strlen(str);
}

5
test/Makefile.am
Unescape Escape View File

@ -187,10 +187,10 @@ TESTS = \
test_bookmarks \
test_line_buffer.sh \
test_line_buffer2 \
test_listview.sh \
test_grep_proc.sh \
test_grep_proc2 \
test_hist_source \
test_listview.sh \
test_pcrepp \
test_sql_coll_func.sh \
test_sql_fs_func.sh \
@ -201,6 +201,9 @@ TESTS = \
test_data_parser.sh \
test_yajlpp
XFAIL_TESTS = \
test_listview.sh
DISTCLEANFILES = \
*.dat \
*.db \

25
test/Makefile.in
Unescape Escape View File

@ -94,10 +94,10 @@ check_PROGRAMS = drive_data_scanner$(EXEEXT) \
TESTS = test_ansi_scrubber$(EXEEXT) test_auto_fd$(EXEEXT) \
test_auto_mem$(EXEEXT) test_bookmarks$(EXEEXT) \
test_line_buffer.sh test_line_buffer2$(EXEEXT) \
test_grep_proc.sh test_grep_proc2$(EXEEXT) \
test_hist_source$(EXEEXT) test_listview.sh \
test_pcrepp$(EXEEXT) test_sql_coll_func.sh test_sql_fs_func.sh \
test_sql_str_func.sh test_view_colors.sh test_vt52_curses.sh \
test_listview.sh test_grep_proc.sh test_grep_proc2$(EXEEXT) \
test_hist_source$(EXEEXT) test_pcrepp$(EXEEXT) \
test_sql_coll_func.sh test_sql_fs_func.sh test_sql_str_func.sh \
test_view_colors.sh test_vt52_curses.sh \
test_top_status$(EXEEXT) test_data_parser.sh \
test_yajlpp$(EXEEXT)
subdir = test
@ -735,6 +735,9 @@ dist_noinst_DATA = \
nodist_noinst_DATA = \
simple-db.db
XFAIL_TESTS = \
test_listview.sh
DISTCLEANFILES = \
*.dat \
*.db \
@ -1149,6 +1152,13 @@ test_line_buffer2.log: test_line_buffer2$(EXEEXT)
--log-file $$b.log --trs-file $$b.trs \
$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
"$$tst" $(AM_TESTS_FD_REDIRECT)
test_listview.sh.log: test_listview.sh
@p='test_listview.sh'; \
b='test_listview.sh'; \
$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
--log-file $$b.log --trs-file $$b.trs \
$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
"$$tst" $(AM_TESTS_FD_REDIRECT)
test_grep_proc.sh.log: test_grep_proc.sh
@p='test_grep_proc.sh'; \
b='test_grep_proc.sh'; \
@ -1170,13 +1180,6 @@ test_hist_source.log: test_hist_source$(EXEEXT)
--log-file $$b.log --trs-file $$b.trs \
$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
"$$tst" $(AM_TESTS_FD_REDIRECT)
test_listview.sh.log: test_listview.sh
@p='test_listview.sh'; \
b='test_listview.sh'; \
$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
--log-file $$b.log --trs-file $$b.trs \
$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
"$$tst" $(AM_TESTS_FD_REDIRECT)
test_pcrepp.log: test_pcrepp$(EXEEXT)
@p='test_pcrepp$(EXEEXT)'; \
b='test_pcrepp'; \

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