tSlightly change behavior of moving to end of line; change drawing of spaces at the end of soft lines - ledit - Text editor (WIP)
HTML git clone git://lumidify.org/ledit.git (fast, but not encrypted)
HTML git clone https://lumidify.org/git/ledit.git (encrypted, but very slow)
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
DIR commit 7f10c769894b662194bf2fd54bc159647e012bf9
DIR parent f12812ad75c528b59aaf96791c48e3940c9e888c
HTML Author: lumidify <nobody@lumidify.org>
Date: Tue, 2 Nov 2021 10:27:50 +0100
Slightly change behavior of moving to end of line; change drawing of spaces at the end of soft lines
Diffstat:
A .buffer.c.swp | 0
A .keys_basic.c.swp | 0
M Makefile | 6 ++++--
M buffer.c | 23 +++++++++++++++++++++--
M keys_basic.c | 66 ++++---------------------------
A pango-compat.c | 58 ++++++++++++++++++++++++++++++
A pango-compat.h | 3 +++
7 files changed, 93 insertions(+), 63 deletions(-)
---
DIR diff --git a/.buffer.c.swp b/.buffer.c.swp
Binary files differ.
DIR diff --git a/.keys_basic.c.swp b/.keys_basic.c.swp
Binary files differ.
DIR diff --git a/Makefile b/Makefile
t@@ -22,7 +22,8 @@ OBJ = \
txtbuf.o \
undo.o \
util.o \
- window.o
+ window.o \
+ pango-compat.o
HDR = \
action.h \
t@@ -38,7 +39,8 @@ HDR = \
txtbuf.h \
undo.h \
util.h \
- window.h
+ window.h \
+ pango-compat.h
CFLAGS_LEDIT = -g -Wall -Wextra -D_POSIX_C_SOURCE=200809L `pkg-config --cflags x11 xkbfile pangoxft xext`
LDFLAGS_LEDIT = ${LDFLAGS} `pkg-config --libs x11 xkbfile pangoxft xext` -lm
DIR diff --git a/buffer.c b/buffer.c
t@@ -1728,16 +1728,35 @@ ledit_buffer_redraw(ledit_buffer *buffer) {
/* Seriously, which of the pango folks though it would be a good idea to
not highlight spaces at the end of soft lines? That is an utterly
horrible idea. Or am I just too stupid to use it properly? */
+ /* FIXME: properly document what is happening here */
+
+ int box_x = strong.x / PANGO_SCALE;
+ int box_w = 10;
+ /* determine where the box should be drawn */
+ PangoDirection dir = PANGO_DIRECTION_RTL;
+ int tmp_index = buffer->cur_index;
+ if (buffer->cur_index >= cur_line->len)
+ tmp_index = cur_line->len - 1;
+ if (tmp_index >= 0)
+ dir = pango_layout_get_direction(cur_line->layout, tmp_index);
+
int x, sli;
pango_layout_index_to_line_x(cur_line->layout, buffer->cur_index, 0, &sli, &x);
PangoLayoutLine *sl = pango_layout_get_line_readonly(cur_line->layout, sli);
+ if (dir != sl->resolved_dir) {
+ box_w = 3;
+ }
+ if (dir == PANGO_DIRECTION_RTL || dir == PANGO_DIRECTION_WEAK_RTL) {
+ box_x = box_x - box_w;
+ }
+
if (buffer->cur_index == cur_line->len ||
(cur_line->text[buffer->cur_index] == ' ' &&
buffer->cur_index == sl->start_index + sl->length - 1)) {
XFillRectangle(
buffer->common->dpy, buffer->window->drawable, buffer->window->gc,
- strong.x / PANGO_SCALE, cursor_y,
- 10, strong.height / PANGO_SCALE
+ box_x, cursor_y,
+ box_w, strong.height / PANGO_SCALE
);
}
} else if (buffer->common->mode == INSERT || buffer->common->mode == VISUAL) {
DIR diff --git a/keys_basic.c b/keys_basic.c
t@@ -14,6 +14,7 @@
#include <X11/XF86keysym.h>
#include <X11/cursorfont.h>
+#include "pango-compat.h"
#include "memory.h"
#include "common.h"
#include "txtbuf.h"
t@@ -1022,8 +1023,12 @@ move_to_eol(ledit_buffer *buffer, char *text, int len) {
if (buffer->common->mode == VISUAL) {
ledit_buffer_set_selection(buffer, buffer->sel.line1, buffer->sel.byte1, new_line, end_index);
} else {
- /* FIXME: this is still kind of weird with mixed bidi text */
- move_cursor_in_line_dir(buffer, -1, 0);
+ /* FIXME: this is weird because the cursor is actually on the
+ next soft line, but the alternative has too many weird effects
+ with bidi text */
+ buffer->cur_index = ledit_buffer_get_legal_normal_pos(
+ buffer, buffer->cur_line, buffer->cur_index
+ );
}
}
ledit_buffer_set_line_cursor_attrs(buffer, buffer->cur_line, buffer->cur_index);
t@@ -1136,63 +1141,6 @@ return_key(ledit_buffer *buffer, char *text, int len) {
return (struct action){ACTION_NONE, NULL};
}
-/* FIXME: Is this illegal due to different licenses? */
-/* FIXME: Check earliest version of other used functions to get minimum pango version
- for ledit as a whole */
-/* FIXME: This is just copied from the newer version of pango. It *seems* like
- the structs used are public (they're in the documentation), but it does seem
- a bit dirty to do this here */
-#if !PANGO_VERSION_CHECK(1, 46, 0)
-static PangoLayoutRun *
-pango_layout_line_get_run(PangoLayoutLine *line, int index) {
- GSList *run_list;
-
- run_list = line->runs;
- while (run_list) {
- PangoLayoutRun *run = run_list->data;
-
- if (run->item->offset <= index && run->item->offset + run->item->length > index)
- return run;
-
- run_list = run_list->next;
- }
-
- return NULL;
-}
-
-static int
-pango_layout_line_get_char_level(PangoLayoutLine *line, int index) {
- PangoLayoutRun *run;
-
- run = pango_layout_line_get_run(line, index);
-
- if (run)
- return run->item->analysis.level;
-
- return 0;
-}
-
-static PangoDirection
-pango_layout_line_get_char_direction(PangoLayoutLine *layout_line, int index) {
- return pango_layout_line_get_char_level(layout_line, index) % 2
- ? PANGO_DIRECTION_RTL
- : PANGO_DIRECTION_LTR;
-}
-
-static PangoDirection
-pango_layout_get_direction(PangoLayout *layout, int index) {
- int lineno, x;
- PangoLayoutLine *line;
- pango_layout_index_to_line_x(layout, index, 0, &lineno, &x);
- line = pango_layout_get_line_readonly(layout, lineno);
-
- if (line)
- return pango_layout_line_get_char_direction(line, index);
-
- return PANGO_DIRECTION_LTR;
-}
-#endif
-
static void
move_cursor_in_line_dir(ledit_buffer *buffer, int movement_dir, int allow_illegal_index) {
PangoDirection dir;
DIR diff --git a/pango-compat.c b/pango-compat.c
t@@ -0,0 +1,58 @@
+#include <pango/pangoxft.h>
+
+/* FIXME: Is this illegal due to different licenses? */
+/* FIXME: Check earliest version of other used functions to get minimum pango version
+ for ledit as a whole */
+/* FIXME: This is just copied from the newer version of pango. It *seems* like
+ the structs used are public (they're in the documentation), but it does seem
+ a bit dirty to do this here */
+#if !PANGO_VERSION_CHECK(1, 46, 0)
+static PangoLayoutRun *
+pango_layout_line_get_run(PangoLayoutLine *line, int index) {
+ GSList *run_list;
+
+ run_list = line->runs;
+ while (run_list) {
+ PangoLayoutRun *run = run_list->data;
+
+ if (run->item->offset <= index && run->item->offset + run->item->length > index)
+ return run;
+
+ run_list = run_list->next;
+ }
+
+ return NULL;
+}
+
+static int
+pango_layout_line_get_char_level(PangoLayoutLine *line, int index) {
+ PangoLayoutRun *run;
+
+ run = pango_layout_line_get_run(line, index);
+
+ if (run)
+ return run->item->analysis.level;
+
+ return 0;
+}
+
+static PangoDirection
+pango_layout_line_get_char_direction(PangoLayoutLine *layout_line, int index) {
+ return pango_layout_line_get_char_level(layout_line, index) % 2
+ ? PANGO_DIRECTION_RTL
+ : PANGO_DIRECTION_LTR;
+}
+
+PangoDirection
+pango_layout_get_direction(PangoLayout *layout, int index) {
+ int lineno, x;
+ PangoLayoutLine *line;
+ pango_layout_index_to_line_x(layout, index, 0, &lineno, &x);
+ line = pango_layout_get_line_readonly(layout, lineno);
+
+ if (line)
+ return pango_layout_line_get_char_direction(line, index);
+
+ return PANGO_DIRECTION_LTR;
+}
+#endif
DIR diff --git a/pango-compat.h b/pango-compat.h
t@@ -0,0 +1,3 @@
+#if !PANGO_VERSION_CHECK(1, 46, 0)
+PangoDirection pango_layout_get_direction(PangoLayout *layout, int index);
+#endif