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support pageup/pagedown

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This commit is contained in:
lixianjing 2019-07-03 09:53:53 +08:00
parent 91d7bbf0b0
commit b1c98fec4c
1 changed files with 46 additions and 3 deletions
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49
src/base/text_edit.c
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@ -270,6 +270,7 @@ static row_info_t* text_edit_multi_line_layout_line(text_edit_t* text_edit, uint
uint32_t i = 0;
uint32_t x = 0;
DECL_IMPL(text_edit);
wchar_t last_char = 0;
canvas_t* c = text_edit->c;
wstr_t* text = &(text_edit->widget->text);
STB_TexteditState* state = &(impl->state);
@ -292,6 +293,7 @@ static row_info_t* text_edit_multi_line_layout_line(text_edit_t* text_edit, uint
text_edit_set_caret_pos(impl, x, y, c->font_size);
}
last_char = *p;
line_break = line_break_check(*p, p[1]);
if (line_break == LINE_BREAK_MUST) {
i++;
@ -319,7 +321,11 @@ static row_info_t* text_edit_multi_line_layout_line(text_edit_t* text_edit, uint
}
if (i == state->cursor && state->cursor == text->size) {
text_edit_set_caret_pos(impl, x, y, c->font_size);
if (last_char == STB_TEXTEDIT_NEWLINE) {
text_edit_set_caret_pos(impl, 0, y + line_height, c->font_size);
} else {
text_edit_set_caret_pos(impl, x, y, c->font_size);
}
}
row->text_w = x;
@ -386,7 +392,7 @@ static void text_edit_layout_for_stb(StbTexteditRow* row, STB_TEXTEDIT_STRING* s
} else {
row->x0 = 0;
row->x1 = 0;
row->num_chars = 0;
row->num_chars = 1;
}
row->ymin = 0;
@ -787,11 +793,13 @@ ret_t text_edit_key_down(text_edit_t* text_edit, key_event_t* evt) {
wstr_t* text = NULL;
DECL_IMPL(text_edit);
STB_TexteditState* state = NULL;
text_layout_info_t* layout_info = NULL;
return_value_if_fail(impl != NULL, RET_BAD_PARAMS);
key = evt->key;
state = &(impl->state);
text = &(text_edit->widget->text);
layout_info = &(impl->layout_info);
switch (key) {
case TK_KEY_RETURN: {
@ -834,6 +842,41 @@ ret_t text_edit_key_down(text_edit_t* text_edit, key_event_t* evt) {
key = STB_TEXTEDIT_K_INSERT;
break;
}
case TK_KEY_PAGEDOWN: {
if (impl->single_line) {
key = STB_TEXTEDIT_K_LINEEND;
} else {
int32_t lines = layout_info->h / impl->line_height;
if ((layout_info->virtual_h - layout_info->oy) > layout_info->h) {
key = STB_TEXTEDIT_K_DOWN;
while (lines-- > 0) {
stb_textedit_key(text_edit, state, key);
}
text_edit_layout(text_edit);
}
return RET_OK;
}
break;
}
case TK_KEY_PAGEUP: {
if (impl->single_line) {
key = STB_TEXTEDIT_K_LINESTART;
} else {
int32_t lines = tk_min(layout_info->oy, layout_info->h) / impl->line_height;
if (lines > 0) {
key = STB_TEXTEDIT_K_UP;
while (lines-- > 0) {
stb_textedit_key(text_edit, state, key);
}
text_edit_layout(text_edit);
}
return RET_OK;
}
break;
}
case TK_KEY_LSHIFT:
case TK_KEY_RSHIFT:
case TK_KEY_LCTRL:
@ -853,7 +896,7 @@ ret_t text_edit_key_down(text_edit_t* text_edit, key_event_t* evt) {
}
if (evt->ctrl) {
char c = key;
char c = tolower(key);
if (c == 'z') {
stb_textedit_key(text_edit, state, STB_TEXTEDIT_K_UNDO);
} else if (c == 'y') {