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authorLars Henriksen <LarsHenriksen@get2net.dk>2018-08-22 20:18:36 +0200
committerLukas Fleischer <lfleischer@calcurse.org>2018-10-21 20:01:34 +0200
commitab0fe682255f01e75b70a6ee3e95795020be8dd7 (patch)
treecb609e63b8c0d69f0d2449832ee2c4c79ff35f30 /src
parent8c2ccebe3500accf57675553a88f55496eec394a (diff)
downloadcalcurse-ab0fe682255f01e75b70a6ee3e95795020be8dd7.tar.gz
calcurse-ab0fe682255f01e75b70a6ee3e95795020be8dd7.zip
Reload data after resolving save conflict (improved)
After resolving a save conflict with the merge tool, a save operation has, in effect, occurred, and data files must be reloaded to import the result of the conflict resolution. This is a replacement for commit 2fe9c7e. The operations concerned with the user interface are kept out the io-operations (as in all other cases) and take place at the command-level in calcurse.c. and not at the io-level (io.c). Shorter, more concise prompt texts. Signed-off-by: Lars Henriksen <LarsHenriksen@get2net.dk> Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
Diffstat (limited to 'src')
-rw-r--r--src/calcurse.c8
-rw-r--r--src/calcurse.h9
-rw-r--r--src/io.c65
3 files changed, 51 insertions, 31 deletions
diff --git a/src/calcurse.c b/src/calcurse.c
index 5a08d53..7739c0f 100644
--- a/src/calcurse.c
+++ b/src/calcurse.c
@@ -271,7 +271,13 @@ static inline void key_generic_help(void)
static inline void key_generic_save(void)
{
- io_save_cal(IO_SAVE_DISPLAY_BAR);
+ if (io_save_cal(IO_SAVE_DISPLAY_BAR) == IO_SAVE_RELOAD) {
+ ui_todo_load_items();
+ ui_todo_sel_reset();
+ do_storage(0);
+ notify_check_next_app(1);
+ ui_calendar_monthly_view_cache_set_invalid();
+ }
wins_update(FLAG_ALL);
}
diff --git a/src/calcurse.h b/src/calcurse.h
index 88a0916..9bb714c 100644
--- a/src/calcurse.h
+++ b/src/calcurse.h
@@ -652,6 +652,13 @@ enum getstr {
#define PARSE_DATETIME_HAS_DATE (1 << 0)
#define PARSE_DATETIME_HAS_TIME (1 << 1)
+/* Return codes for the io_save_cal() function. */
+enum {
+ IO_SAVE_CTINUE,
+ IO_SAVE_RELOAD,
+ IO_SAVE_CANCEL
+};
+
/* Week days. */
enum wday {
SUNDAY,
@@ -848,7 +855,7 @@ unsigned io_save_apts(const char *);
void io_dump_todo(const char *);
unsigned io_save_todo(const char *);
unsigned io_save_keys(void);
-void io_save_cal(enum save_display);
+int io_save_cal(enum save_display);
void io_load_app(struct item_filter *);
void io_load_todo(struct item_filter *);
void io_load_data(struct item_filter *);
diff --git a/src/io.c b/src/io.c
index 6e8ae55..9ffd9a8 100644
--- a/src/io.c
+++ b/src/io.c
@@ -448,6 +448,7 @@ static int io_compute_hash(const char *path, char *buf)
return 1;
}
+/* A merge implies a save operation and must be followed by reload of data. */
static void io_merge_data(void)
{
char *path_apts_new, *path_todo_new;
@@ -483,41 +484,48 @@ static void io_merge_data(void)
mem_free(path_apts_new);
mem_free(path_todo_new);
- io_unset_modified();
-
/*
* We do not directly write to the data files here; however, the
* external merge tool will likely have incorporated changes from the
* new file into the main data files at this point.
*/
run_hook("post-save");
+
+ /*
+ * The user has merged, so override the modified flag
+ * (and follow up with reload of the data files).
+ */
+ io_unset_modified();
}
+/* For the return values, see io_save_cal() below. */
static int resolve_save_conflict(void)
{
char *msg_um_asktype = NULL;
const char *msg_um_prefix =
- _("Data files were changed since reading:");
+ _("Data files were changed since loaded:");
const char *msg_um_overwrite = _("(o)verwrite");
const char *msg_um_merge = _("(m)erge");
- const char *msg_um_keep = _("(k)eep and cancel");
- const char *msg_um_choice = _("[omk]");
- int ret = 1;
+ const char *msg_um_keep = _("(c)ancel");
+ const char *msg_um_choice = _("[omc]");
+ int ret;
asprintf(&msg_um_asktype, "%s %s, %s, %s", msg_um_prefix,
msg_um_overwrite, msg_um_merge, msg_um_keep);
switch (status_ask_choice(msg_um_asktype, msg_um_choice, 3)) {
case 1:
- ret = 0;
+ ret = IO_SAVE_CTINUE;
break;
case 2:
io_merge_data();
+ io_reload_data();
+ ret = IO_SAVE_RELOAD;
break;
case 3:
/* FALLTHROUGH */
default:
- ;
+ ret = IO_SAVE_CANCEL;
}
mem_free(msg_um_asktype);
@@ -548,31 +556,29 @@ cleanup:
return ret;
}
-/* Save the calendar data */
-void io_save_cal(enum save_display display)
+/*
+ * Save the calendar data.
+ * The return value tells how a possible save conflict should be/was resolved:
+ * IO_SAVE_CTINUE: continue save operation and overwrite the data files
+ * IO_SAVE_RELOAD: cancel save operation (data files changed and reloaded)
+ * IO_SAVE_CANCEL: cancel save operation (keep data files, no reload)
+ */
+int io_save_cal(enum save_display display)
{
const char *access_pb = _("Problems accessing data file ...");
const char *save_success =
_("The data files were successfully saved");
const char *enter = _("Press [ENTER] to continue");
- int show_bar;
+ int show_bar, ret = IO_SAVE_CTINUE;
if (read_only)
- return;
+ return IO_SAVE_CANCEL;
- if (io_check_data_files_modified() && resolve_save_conflict()) {
- if (io_reload_data()) {
- day_process_storage(ui_calendar_get_slctd_day(), 1);
- ui_day_load_items();
- ui_day_sel_reset();
- notify_check_next_app(1);
- ui_calendar_monthly_view_cache_set_invalid();
- wins_update(FLAG_ALL);
- }
- return;
- }
+ if (io_check_data_files_modified() && (ret = resolve_save_conflict()))
+ return ret;
run_hook("pre-save");
+ io_mutex_lock();
show_bar = 0;
if (ui_mode == UI_CURSES && display == IO_SAVE_DISPLAY_BAR
@@ -599,11 +605,7 @@ void io_save_cal(enum save_display display)
if (!io_save_keys())
ERROR_MSG("%s", access_pb);
- io_mutex_lock();
io_unset_modified();
- io_compute_hash(path_apts, apts_sha1);
- io_compute_hash(path_todo, todo_sha1);
- io_mutex_unlock();
/* Print a message telling data were saved */
if (ui_mode == UI_CURSES && display == IO_SAVE_DISPLAY_BAR &&
@@ -612,7 +614,12 @@ void io_save_cal(enum save_display display)
keys_wait_for_any_key(win[KEY].p);
}
+ io_compute_hash(path_apts, apts_sha1);
+ io_compute_hash(path_todo, todo_sha1);
+
+ io_mutex_unlock();
run_hook("post-save");
+ return ret;
}
static void io_load_error(const char *filename, unsigned line,
@@ -921,8 +928,8 @@ int io_reload_data(void)
_("There are unsaved modifications:");
const char *msg_um_discard = _("(d)iscard");
const char *msg_um_merge = _("(m)erge");
- const char *msg_um_keep = _("(k)eep and cancel");
- const char *msg_um_choice = _("[dmk]");
+ const char *msg_um_keep = _("(c)ancel");
+ const char *msg_um_choice = _("[dmc]");
asprintf(&msg_um_asktype, "%s %s, %s, %s", msg_um_prefix,
msg_um_discard, msg_um_merge, msg_um_keep);