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@ -82,30 +82,22 @@ struct editor { |
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}; |
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static const char * |
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utf8_start_char(const char *text, const char *p) |
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utf8_end_char(const char *p) |
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{ |
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for (; p >= text; --p) { |
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if ((*p & 0xc0) != 0x80) |
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while ((*p & 0xc0) == 0x80) |
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p++; |
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return p; |
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} |
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return NULL; |
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} |
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static const char * |
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utf8_prev_char(const char *text, const char *p) |
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{ |
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if (p > text) |
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return utf8_start_char(text, --p); |
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return NULL; |
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} |
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static const char * |
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utf8_end_char(const char *p) |
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utf8_prev_char(const char *s, const char *p) |
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{ |
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while ((*p & 0xc0) == 0x80) |
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p++; |
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for (--p; p >= s; --p) { |
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if ((*p & 0xc0) != 0x80) |
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return p; |
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} |
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return NULL; |
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} |
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static const char * |
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utf8_next_char(const char *p) |
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@ -211,7 +203,7 @@ text_input_delete_surrounding_text(void *data, |
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entry->pending_commit.delete_index = entry->cursor + index; |
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entry->pending_commit.delete_length = length; |
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text_length = utf8_characters(entry->text); |
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text_length = strlen(entry->text); |
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if (entry->pending_commit.delete_index > text_length) { |
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fprintf(stderr, "Invalid cursor index %d\n", index); |
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@ -339,10 +331,11 @@ text_input_keysym(void *data, |
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if (new_char != NULL) { |
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entry->cursor = new_char - entry->text; |
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} |
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if (!(modifiers & entry->keysym.shift_mask)) |
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entry->anchor = entry->cursor; |
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widget_schedule_redraw(entry->widget); |
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} |
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return; |
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} |
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@ -356,11 +349,11 @@ text_input_keysym(void *data, |
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text_entry_commit_and_reset(entry); |
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start = utf8_prev_char(entry->text, entry->text + entry->cursor); |
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end = utf8_next_char(start); |
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if (start == NULL) |
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return; |
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end = utf8_end_char(entry->text + entry->cursor); |
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text_entry_delete_text(entry, |
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start - entry->text, |
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end - start); |
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@ -593,8 +586,8 @@ text_entry_update_layout(struct text_entry *entry) |
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char *text; |
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PangoAttrList *attr_list; |
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assert((entry->cursor) <= strlen(entry->text) + |
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(entry->preedit.text ? strlen(entry->preedit.text) : 0)); |
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assert(entry->cursor <= (strlen(entry->text) + |
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(entry->preedit.text ? strlen(entry->preedit.text) : 0))); |
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if (entry->preedit.text) { |
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text = malloc(strlen(entry->text) + strlen(entry->preedit.text) + 1); |
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@ -692,6 +685,7 @@ text_entry_insert_at_cursor(struct text_entry *entry, const char *text, |
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entry->anchor = entry->cursor + strlen(text) + anchor; |
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else |
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entry->anchor = entry->cursor + 1 + anchor; |
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if (cursor >= 0) |
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entry->cursor += strlen(text) + cursor; |
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else |
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@ -764,6 +758,7 @@ text_entry_try_invoke_preedit_action(struct text_entry *entry, |
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{ |
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int index, trailing; |
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uint32_t cursor; |
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const char *text; |
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if (!entry->preedit.text) |
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return 0; |
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@ -771,7 +766,9 @@ text_entry_try_invoke_preedit_action(struct text_entry *entry, |
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pango_layout_xy_to_index(entry->layout, |
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x * PANGO_SCALE, y * PANGO_SCALE, |
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&index, &trailing); |
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cursor = index + trailing; |
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text = pango_layout_get_text(entry->layout); |
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cursor = g_utf8_offset_to_pointer(text + index, trailing) - text; |
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if (cursor < entry->cursor || |
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cursor > entry->cursor + strlen(entry->preedit.text)) { |
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@ -791,13 +788,16 @@ text_entry_set_cursor_position(struct text_entry *entry, |
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int32_t x, int32_t y) |
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{ |
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int index, trailing; |
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const char *text; |
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text_entry_commit_and_reset(entry); |
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pango_layout_xy_to_index(entry->layout, |
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x * PANGO_SCALE, y * PANGO_SCALE, |
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&index, &trailing); |
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entry->cursor = index + trailing; |
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text = pango_layout_get_text(entry->layout); |
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entry->cursor = g_utf8_offset_to_pointer(text + index, trailing) - text; |
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text_entry_update_layout(entry); |
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@ -811,11 +811,14 @@ text_entry_set_anchor_position(struct text_entry *entry, |
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int32_t x, int32_t y) |
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{ |
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int index, trailing; |
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const char *text; |
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pango_layout_xy_to_index(entry->layout, |
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x * PANGO_SCALE, y * PANGO_SCALE, |
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&index, &trailing); |
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entry->anchor = index + trailing; |
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text = pango_layout_get_text(entry->layout); |
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entry->anchor = g_utf8_offset_to_pointer(text + index, trailing) - text; |
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text_entry_update_layout(entry); |
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@ -828,13 +831,17 @@ static void |
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text_entry_delete_text(struct text_entry *entry, |
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uint32_t index, uint32_t length) |
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{ |
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uint32_t l; |
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if (entry->cursor > index) |
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entry->cursor -= length; |
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entry->anchor = entry->cursor; |
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entry->text[index] = '\0'; |
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strcat(entry->text, entry->text + index + length); |
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l = strlen(entry->text + index + length); |
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memmove(entry->text + index, |
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entry->text + index + length, |
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l + 1); |
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text_entry_update_layout(entry); |
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@ -874,6 +881,7 @@ text_entry_get_cursor_rectangle(struct text_entry *entry, struct rectangle *rect |
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return; |
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} |
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pango_layout_get_extents(entry->layout, &extents, NULL); |
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pango_layout_get_cursor_pos(entry->layout, |
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entry->cursor + entry->preedit.cursor, |
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@ -1053,7 +1061,7 @@ key_handler(struct window *window, |
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{ |
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struct editor *editor = data; |
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struct text_entry *entry; |
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const char *start, *end, *new_char; |
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const char *new_char; |
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char text[16]; |
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if (!editor->active_entry) |
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@ -1068,32 +1076,20 @@ key_handler(struct window *window, |
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case XKB_KEY_BackSpace: |
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text_entry_commit_and_reset(entry); |
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start = utf8_prev_char(entry->text, entry->text + entry->cursor); |
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if (start == NULL) |
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break; |
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end = utf8_end_char(entry->text + entry->cursor); |
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new_char = utf8_prev_char(entry->text, entry->text + entry->cursor); |
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if (new_char != NULL) |
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text_entry_delete_text(entry, |
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start - entry->text, |
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end - start); |
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new_char - entry->text, |
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(entry->text + entry->cursor) - new_char); |
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break; |
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case XKB_KEY_Delete: |
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text_entry_commit_and_reset(entry); |
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start = utf8_start_char(entry->text, entry->text + entry->cursor); |
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if (start == NULL) |
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break; |
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end = utf8_next_char(start); |
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if (end == NULL) |
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break; |
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new_char = utf8_next_char(entry->text + entry->cursor); |
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if (new_char != NULL) |
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text_entry_delete_text(entry, |
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start - entry->text, |
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end - start); |
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entry->cursor, |
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new_char - (entry->text + entry->cursor)); |
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break; |
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case XKB_KEY_Left: |
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text_entry_commit_and_reset(entry); |
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