forked from enlightenment/edi
648 lines
18 KiB
C
648 lines
18 KiB
C
#ifdef HAVE_CONFIG
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# include "config.h"
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#endif
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#include <Elm_Code.h>
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#include "elm_code_private.h"
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typedef struct
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{
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Elm_Code *code;
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Evas_Object *grid, *scroller;
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Evas_Font_Size font_size;
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double gravity_x, gravity_y;
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unsigned int cursor_line, cursor_col;
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Eina_Bool cursor_move_vetoed;
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Eina_Bool editable, focussed;
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} Elm_Code_Widget_Data;
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Eina_Unicode status_icons[] = {
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' ',
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'!',
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'+',
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'-',
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' ',
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0x2713,
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0x2717,
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0
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};
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EOLIAN static void
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_elm_code_widget_eo_base_constructor(Eo *obj, Elm_Code_Widget_Data *pd EINA_UNUSED)
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{
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eo_do_super(obj, ELM_CODE_WIDGET_CLASS, eo_constructor());
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pd->cursor_line = 1;
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pd->cursor_col = 1;
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pd->cursor_move_vetoed = EINA_TRUE;
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}
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EOLIAN static void
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_elm_code_widget_class_constructor(Eo_Class *klass EINA_UNUSED)
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{
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}
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static void
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_elm_code_widget_scroll_by(Elm_Code_Widget *widget, int by_x, int by_y)
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{
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Elm_Code_Widget_Data *pd;
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Evas_Coord x, y, w, h;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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elm_scroller_region_get(pd->scroller, &x, &y, &w, &h);
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x += by_x;
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y += by_y;
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elm_scroller_region_show(pd->scroller, x, y, w, h);
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}
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static Eina_Bool
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_elm_code_widget_resize(Elm_Code_Widget *widget)
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{
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Elm_Code_Line *line;
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Eina_List *item;
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Evas_Coord ww, wh, old_width, old_height;
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int w, h, cw, ch;
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Elm_Code_Widget_Data *pd;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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if (!pd->code)
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return EINA_FALSE;
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evas_object_geometry_get(widget, NULL, NULL, &ww, &wh);
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evas_object_textgrid_cell_size_get(pd->grid, &cw, &ch);
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old_width = ww;
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old_height = wh;
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w = 0;
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h = elm_code_file_lines_get(pd->code->file);
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EINA_LIST_FOREACH(pd->code->file->lines, item, line)
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if (line->length + 2 > w)
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w = line->length + 2;
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if (w*cw > ww)
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ww = w*cw;
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if (h*ch > wh)
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wh = h*ch;
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evas_object_textgrid_size_set(pd->grid, ww/cw+1, wh/ch+1);
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evas_object_size_hint_min_set(pd->grid, w*cw, h*ch);
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if (pd->gravity_x == 1.0 || pd->gravity_y == 1.0)
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_elm_code_widget_scroll_by(widget,
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(pd->gravity_x == 1.0 && ww > old_width) ? ww - old_width : 0,
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(pd->gravity_y == 1.0 && wh > old_height) ? wh - old_height : 0);
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return h > 0 && w > 0;
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}
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static void
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_elm_code_widget_fill_line_token(Evas_Textgrid_Cell *cells, int count, int start, int end, Elm_Code_Token_Type type)
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{
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int x;
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for (x = start; x <= end && x < count; x++)
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{
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cells[x].fg = type;
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}
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}
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static void
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_elm_code_widget_fill_line_tokens(Evas_Textgrid_Cell *cells, unsigned int count, Elm_Code_Line *line)
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{
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Eina_List *item;
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Elm_Code_Token *token;
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int start, length;
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start = 1;
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length = line->length;
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EINA_LIST_FOREACH(line->tokens, item, token)
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{
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_elm_code_widget_fill_line_token(cells, count, start, token->start, ELM_CODE_TOKEN_TYPE_DEFAULT);
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// TODO handle a token starting before the previous finishes
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_elm_code_widget_fill_line_token(cells, count, token->start, token->end, token->type);
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start = token->end + 1;
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}
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_elm_code_widget_fill_line_token(cells, count, start, length, ELM_CODE_TOKEN_TYPE_DEFAULT);
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}
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static void
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_elm_code_widget_fill_line(Elm_Code_Widget *widget, Evas_Textgrid_Cell *cells, Elm_Code_Line *line)
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{
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char *chr;
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unsigned int length, x;
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int w;
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Elm_Code_Widget_Data *pd;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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if (!_elm_code_widget_resize(widget))
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return;
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length = line->length;
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evas_object_textgrid_size_get(pd->grid, &w, NULL);
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cells[0].codepoint = status_icons[line->status];
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cells[0].bold = 1;
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cells[0].fg = ELM_CODE_TOKEN_TYPE_DEFAULT;
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cells[0].bg = line->status;
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if (line->modified)
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chr = line->modified;
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else
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chr = (char *)line->content;
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for (x = 1; x < (unsigned int) w && x <= length; x++)
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{
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cells[x].codepoint = *chr;
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cells[x].bg = line->status;
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chr++;
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}
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for (; x < (unsigned int) w; x++)
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{
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cells[x].codepoint = 0;
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cells[x].bg = line->status;
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}
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_elm_code_widget_fill_line_tokens(cells, w, line);
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if (pd->editable && pd->focussed && pd->cursor_line == line->number)
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{
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if (pd->cursor_col < (unsigned int) w)
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cells[pd->cursor_col].bg = ELM_CODE_TOKEN_TYPE_CURSOR;
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}
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evas_object_textgrid_update_add(pd->grid, 0, line->number - 1, w, 1);
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}
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static void
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_elm_code_widget_fill(Elm_Code_Widget *widget)
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{
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Elm_Code_Line *line;
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Evas_Textgrid_Cell *cells;
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int w, h;
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unsigned int y;
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Elm_Code_Widget_Data *pd;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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if (!_elm_code_widget_resize(widget))
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return;
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evas_object_textgrid_size_get(pd->grid, &w, &h);
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for (y = 1; y <= (unsigned int) h && y <= elm_code_file_lines_get(pd->code->file); y++)
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{
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line = elm_code_file_line_get(pd->code->file, y);
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cells = evas_object_textgrid_cellrow_get(pd->grid, y - 1);
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_elm_code_widget_fill_line(widget, cells, line);
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}
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}
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static Eina_Bool
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_elm_code_widget_line_cb(void *data, Eo *obj EINA_UNUSED,
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const Eo_Event_Description *desc EINA_UNUSED, void *event_info)
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{
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Elm_Code_Widget *widget;
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Elm_Code_Line *line;
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Evas_Textgrid_Cell *cells;
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Elm_Code_Widget_Data *pd;
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widget = (Elm_Code_Widget *)data;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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line = (Elm_Code_Line *)event_info;
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if (!_elm_code_widget_resize(widget))
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return EINA_TRUE;
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cells = evas_object_textgrid_cellrow_get(pd->grid, line->number - 1);
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_elm_code_widget_fill_line(widget, cells, line);
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return EINA_TRUE;
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}
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static Eina_Bool
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_elm_code_widget_file_cb(void *data, Eo *obj EINA_UNUSED, const Eo_Event_Description *desc EINA_UNUSED,
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void *event_info EINA_UNUSED)
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{
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Elm_Code_Widget *widget;
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widget = (Elm_Code_Widget *)data;
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_elm_code_widget_fill(widget);
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return EINA_TRUE;
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}
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static void
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_elm_code_widget_resize_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
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void *event_info EINA_UNUSED)
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{
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Elm_Code_Widget *widget;
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widget = (Elm_Code_Widget *)data;
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_elm_code_widget_fill(widget);
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}
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static void
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_elm_code_widget_clicked_editable_cb(Elm_Code_Widget *widget, Evas_Coord x, Evas_Coord y)
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{
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Elm_Code_Widget_Data *pd;
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Elm_Code_Line *line;
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int cw, ch;
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unsigned int row, col;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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evas_object_textgrid_cell_size_get(pd->grid, &cw, &ch);
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col = ((double) x / cw) + 2;
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row = ((double) y / ch) + 1;
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line = elm_code_file_line_get(pd->code->file, row);
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if (line)
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{
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pd->cursor_line = row;
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if (col <= (unsigned int) line->length + 2)
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pd->cursor_col = col - 2;
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else
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pd->cursor_col = line->length + 1;
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}
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if (pd->cursor_col == 0)
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pd->cursor_col = 1;
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_elm_code_widget_fill(widget);
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}
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static void
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_elm_code_widget_clicked_readonly_cb(Elm_Code_Widget *widget, Evas_Coord y)
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{
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Elm_Code_Widget_Data *pd;
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Elm_Code_Line *line;
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int ch;
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unsigned int row;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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evas_object_textgrid_cell_size_get(pd->grid, NULL, &ch);
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row = ((double) y / ch) + 1;
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line = elm_code_file_line_get(pd->code->file, row);
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if (line)
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eo_do(widget, eo_event_callback_call(ELM_CODE_WIDGET_EVENT_LINE_CLICKED, line));
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}
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static void
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_elm_code_widget_clicked_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
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void *event_info)
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{
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Elm_Code_Widget *widget;
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Elm_Code_Widget_Data *pd;
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Evas_Event_Mouse_Up *event;
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Evas_Coord x, y;
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widget = (Elm_Code_Widget *)data;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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event = (Evas_Event_Mouse_Up *)event_info;
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x = event->canvas.x;
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y = event->canvas.y;
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if (pd->editable)
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_elm_code_widget_clicked_editable_cb(widget, x, y);
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else
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_elm_code_widget_clicked_readonly_cb(widget, y);
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}
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static void
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_elm_code_widget_cursor_move_up(Elm_Code_Widget *widget)
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{
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Elm_Code_Widget_Data *pd;
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Elm_Code_Line *line;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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if (pd->cursor_line > 1)
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pd->cursor_line--;
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line = elm_code_file_line_get(pd->code->file, pd->cursor_line);
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if (pd->cursor_col > (unsigned int) line->length + 1)
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pd->cursor_col = line->length + 1;
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_elm_code_widget_fill(widget);
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}
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static void
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_elm_code_widget_cursor_move_down(Elm_Code_Widget *widget)
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{
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Elm_Code_Widget_Data *pd;
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Elm_Code_Line *line;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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if (pd->cursor_line < elm_code_file_lines_get(pd->code->file))
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pd->cursor_line++;
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line = elm_code_file_line_get(pd->code->file, pd->cursor_line);
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if (pd->cursor_col > (unsigned int) line->length + 1)
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pd->cursor_col = line->length + 1;
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_elm_code_widget_fill(widget);
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}
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static void
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_elm_code_widget_cursor_move_left(Elm_Code_Widget *widget)
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{
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Elm_Code_Widget_Data *pd;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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if (pd->cursor_col > 1)
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pd->cursor_col--;
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_elm_code_widget_fill(widget);
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}
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static void
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_elm_code_widget_cursor_move_right(Elm_Code_Widget *widget)
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{
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Elm_Code_Widget_Data *pd;
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Elm_Code_Line *line;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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line = elm_code_file_line_get(pd->code->file, pd->cursor_line);
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if (pd->cursor_col <= (unsigned int) line->length)
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pd->cursor_col++;
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_elm_code_widget_fill(widget);
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}
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static Eina_Bool
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_elm_code_widget_cursor_key_can_control(Evas_Event_Key_Down *event)
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{
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if (!strcmp(event->key, "Up"))
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return EINA_TRUE;
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else if (!strcmp(event->key, "Down"))
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return EINA_TRUE;
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else if (!strcmp(event->key, "Left"))
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return EINA_TRUE;
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else if (!strcmp(event->key, "Right"))
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return EINA_TRUE;
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else
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return EINA_FALSE;
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}
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static Eina_Bool
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_elm_code_widget_cursor_key_will_move(Elm_Code_Widget *widget, Evas_Event_Key_Down *event)
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{
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Elm_Code_Widget_Data *pd;
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Elm_Code_Line *line;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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line = elm_code_file_line_get(pd->code->file, pd->cursor_line);
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if (!strcmp(event->key, "Up"))
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return pd->cursor_line > 1;
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else if (!strcmp(event->key, "Down"))
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return pd->cursor_line < elm_code_file_lines_get(pd->code->file);
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else if (!strcmp(event->key, "Left"))
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return pd->cursor_col > 1;
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else if (!strcmp(event->key, "Right"))
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return pd->cursor_col < (unsigned int) line->length + 1;
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else
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return EINA_FALSE;
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}
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static void
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_elm_code_widget_key_down_cb(void *data, Evas *evas EINA_UNUSED,
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Evas_Object *obj EINA_UNUSED, void *event_info)
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{
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Elm_Code_Widget *widget;
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Elm_Code_Widget_Data *pd;
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widget = (Elm_Code_Widget *)data;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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Evas_Event_Key_Down *ev = event_info;
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if (!pd->editable)
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return;
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pd->cursor_move_vetoed = EINA_TRUE;
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if (_elm_code_widget_cursor_key_can_control(ev) && !_elm_code_widget_cursor_key_will_move(widget, ev))
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{
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pd->cursor_move_vetoed = EINA_FALSE;
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return;
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}
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if (!strcmp(ev->key, "Up"))
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_elm_code_widget_cursor_move_up(widget);
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else if (!strcmp(ev->key, "Down"))
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_elm_code_widget_cursor_move_down(widget);
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else if (!strcmp(ev->key, "Left"))
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_elm_code_widget_cursor_move_left(widget);
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else if (!strcmp(ev->key, "Right"))
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_elm_code_widget_cursor_move_right(widget);
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else
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INF("Unhandled key %s", ev->key);
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}
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static Eina_Bool
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_elm_code_widget_event_veto_cb(void *data, Evas_Object *obj EINA_UNUSED,
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Evas_Object *src EINA_UNUSED, Evas_Callback_Type type,
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void *event_info EINA_UNUSED)
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{
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Elm_Code_Widget *widget;
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Elm_Code_Widget_Data *pd;
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Eina_Bool vetoed;
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widget = (Elm_Code_Widget *)data;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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if (!pd->editable)
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return EINA_FALSE;
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widget = (Elm_Code_Widget *)data;
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pd = eo_data_scope_get(widget, ELM_CODE_WIDGET_CLASS);
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if (!pd->editable)
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return EINA_FALSE;
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vetoed = EINA_TRUE;
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if (type == EVAS_CALLBACK_KEY_DOWN)
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{
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vetoed = pd->cursor_move_vetoed;
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pd->cursor_move_vetoed = EINA_TRUE;
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}
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return vetoed;
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}
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EOLIAN static Eina_Bool
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_elm_code_widget_elm_widget_on_focus(Eo *obj, Elm_Code_Widget_Data *pd)
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{
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Eina_Bool int_ret = EINA_FALSE;
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eo_do_super(obj, ELM_CODE_WIDGET_CLASS, int_ret = elm_obj_widget_on_focus());
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if (!int_ret) return EINA_TRUE;
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pd->focussed = elm_widget_focus_get(obj);
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_elm_code_widget_fill(obj);
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return EINA_TRUE;
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}
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EOLIAN static void
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_elm_code_widget_elm_interface_scrollable_content_pos_set(Eo *obj EINA_UNUSED,
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Elm_Code_Widget_Data *pd EINA_UNUSED,
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Evas_Coord x, Evas_Coord y,
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Eina_Bool sig EINA_UNUSED)
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{
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printf("scroll to %d, %d\n", x, y);
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}
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|
|
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EOLIAN static void
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_elm_code_widget_font_size_set(Eo *obj EINA_UNUSED, Elm_Code_Widget_Data *pd, Evas_Font_Size font_size)
|
|
{
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|
evas_object_textgrid_font_set(pd->grid, "Mono", font_size * elm_config_scale_get());
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pd->font_size = font_size;
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|
}
|
|
|
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EOLIAN static Evas_Font_Size
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|
_elm_code_widget_font_size_get(Eo *obj EINA_UNUSED, Elm_Code_Widget_Data *pd)
|
|
{
|
|
return pd->font_size;
|
|
}
|
|
|
|
EOLIAN static void
|
|
_elm_code_widget_code_set(Eo *obj, Elm_Code_Widget_Data *pd EINA_UNUSED, Elm_Code *code)
|
|
{
|
|
pd->code = code;
|
|
|
|
code->widgets = eina_list_append(code->widgets, obj);
|
|
}
|
|
|
|
EOLIAN static Elm_Code *
|
|
_elm_code_widget_code_get(Eo *obj EINA_UNUSED, Elm_Code_Widget_Data *pd)
|
|
{
|
|
return pd->code;
|
|
}
|
|
|
|
EOLIAN static void
|
|
_elm_code_widget_gravity_set(Eo *obj EINA_UNUSED, Elm_Code_Widget_Data *pd, double x, double y)
|
|
{
|
|
pd->gravity_x = x;
|
|
pd->gravity_y = y;
|
|
}
|
|
|
|
EOLIAN static void
|
|
_elm_code_widget_gravity_get(Eo *obj EINA_UNUSED, Elm_Code_Widget_Data *pd, double *x, double *y)
|
|
{
|
|
*x = pd->gravity_x;
|
|
*y = pd->gravity_y;
|
|
}
|
|
|
|
EOLIAN static void
|
|
_elm_code_widget_editable_set(Eo *obj, Elm_Code_Widget_Data *pd, Eina_Bool editable)
|
|
{
|
|
pd->editable = editable;
|
|
elm_object_focus_allow_set(obj, editable);
|
|
}
|
|
|
|
EOLIAN static Eina_Bool
|
|
_elm_code_widget_editable_get(Eo *obj EINA_UNUSED, Elm_Code_Widget_Data *pd)
|
|
{
|
|
return pd->editable;
|
|
}
|
|
|
|
static void
|
|
_elm_code_widget_setup_palette(Evas_Object *o)
|
|
{
|
|
// setup status colors
|
|
evas_object_textgrid_palette_set(o, EVAS_TEXTGRID_PALETTE_STANDARD, ELM_CODE_STATUS_TYPE_DEFAULT,
|
|
36, 36, 36, 255);
|
|
evas_object_textgrid_palette_set(o, EVAS_TEXTGRID_PALETTE_STANDARD, ELM_CODE_STATUS_TYPE_ERROR,
|
|
205, 54, 54, 255);
|
|
|
|
evas_object_textgrid_palette_set(o, EVAS_TEXTGRID_PALETTE_STANDARD, ELM_CODE_STATUS_TYPE_ADDED,
|
|
36, 96, 36, 255);
|
|
evas_object_textgrid_palette_set(o, EVAS_TEXTGRID_PALETTE_STANDARD, ELM_CODE_STATUS_TYPE_REMOVED,
|
|
96, 36, 36, 255);
|
|
evas_object_textgrid_palette_set(o, EVAS_TEXTGRID_PALETTE_STANDARD, ELM_CODE_STATUS_TYPE_CHANGED,
|
|
36, 36, 96, 255);
|
|
|
|
evas_object_textgrid_palette_set(o, EVAS_TEXTGRID_PALETTE_STANDARD, ELM_CODE_STATUS_TYPE_PASSED,
|
|
54, 96, 54, 255);
|
|
evas_object_textgrid_palette_set(o, EVAS_TEXTGRID_PALETTE_STANDARD, ELM_CODE_STATUS_TYPE_FAILED,
|
|
96, 54, 54, 255);
|
|
|
|
// setup token colors
|
|
evas_object_textgrid_palette_set(o, EVAS_TEXTGRID_PALETTE_STANDARD, ELM_CODE_TOKEN_TYPE_DEFAULT,
|
|
205, 205, 205, 255);
|
|
evas_object_textgrid_palette_set(o, EVAS_TEXTGRID_PALETTE_STANDARD, ELM_CODE_TOKEN_TYPE_COMMENT,
|
|
54, 205, 255, 255);
|
|
|
|
evas_object_textgrid_palette_set(o, EVAS_TEXTGRID_PALETTE_STANDARD, ELM_CODE_TOKEN_TYPE_ADDED,
|
|
54, 255, 54, 255);
|
|
evas_object_textgrid_palette_set(o, EVAS_TEXTGRID_PALETTE_STANDARD, ELM_CODE_TOKEN_TYPE_REMOVED,
|
|
255, 54, 54, 255);
|
|
evas_object_textgrid_palette_set(o, EVAS_TEXTGRID_PALETTE_STANDARD, ELM_CODE_TOKEN_TYPE_CHANGED,
|
|
54, 54, 255, 255);
|
|
|
|
// the style for a cursor - this is a special token and will be applied to the background
|
|
evas_object_textgrid_palette_set(o, EVAS_TEXTGRID_PALETTE_STANDARD, ELM_CODE_TOKEN_TYPE_CURSOR,
|
|
205, 205, 54, 255);
|
|
}
|
|
|
|
EOLIAN static void
|
|
_elm_code_widget_evas_object_smart_add(Eo *obj, Elm_Code_Widget_Data *pd)
|
|
{
|
|
Evas_Object *grid, *scroller;
|
|
|
|
eo_do_super(obj, ELM_CODE_WIDGET_CLASS, evas_obj_smart_add());
|
|
elm_object_focus_allow_set(obj, EINA_TRUE);
|
|
|
|
scroller = elm_scroller_add(obj);
|
|
evas_object_size_hint_weight_set(scroller, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
|
|
evas_object_size_hint_align_set(scroller, EVAS_HINT_FILL, EVAS_HINT_FILL);
|
|
evas_object_show(scroller);
|
|
elm_box_pack_end(obj, scroller);
|
|
pd->scroller = scroller;
|
|
|
|
grid = evas_object_textgrid_add(obj);
|
|
evas_object_size_hint_weight_set(grid, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
|
|
evas_object_size_hint_align_set(grid, EVAS_HINT_FILL, EVAS_HINT_FILL);
|
|
evas_object_show(grid);
|
|
elm_object_content_set(scroller, grid);
|
|
pd->grid = grid;
|
|
_elm_code_widget_setup_palette(grid);
|
|
|
|
evas_object_event_callback_add(grid, EVAS_CALLBACK_RESIZE, _elm_code_widget_resize_cb, obj);
|
|
evas_object_event_callback_add(grid, EVAS_CALLBACK_MOUSE_UP, _elm_code_widget_clicked_cb, obj);
|
|
evas_object_event_callback_add(obj, EVAS_CALLBACK_KEY_DOWN, _elm_code_widget_key_down_cb, obj);
|
|
|
|
elm_object_event_callback_add(obj, _elm_code_widget_event_veto_cb, obj);
|
|
|
|
eo_do(obj,
|
|
eo_event_callback_add(&ELM_CODE_EVENT_LINE_SET_DONE, _elm_code_widget_line_cb, obj);
|
|
eo_event_callback_add(&ELM_CODE_EVENT_FILE_LOAD_DONE, _elm_code_widget_file_cb, obj));
|
|
|
|
_elm_code_widget_font_size_set(obj, pd, 10);
|
|
}
|
|
|
|
#include "elm_code_widget.eo.c"
|