forked from enlightenment/terminology
398 lines
12 KiB
C
398 lines
12 KiB
C
#include <Elementary.h>
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#include <stdio.h>
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#include "col.h"
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#include "termpty.h"
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#include "termio.h"
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// Scrolio is the smart object responsible for miniview
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// feature. (this scroll thing at your right)
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typedef struct _Scrolio Scrolio;
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struct _Scrolio
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{
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Evas_Object_Smart_Clipped_Data __clipped_data;
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Evas_Object *obj, *image_obj, *edje_obj, *screen_obj;
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struct {
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int size;
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const char *name;
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int chw, chh;
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} font;
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struct {
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int w, h;
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Evas_Object *obj;
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} grid;
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Evas_Object *termio;
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Termpty *pty;
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int parent_x, parent_y, parent_w, parent_h;
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int scroll;
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int scrollback;
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double miniview_screen_size, miniview_screen_step, miniview_screen_default_pos,
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lines_drawn, screen_obj_scroll_val, screen_obj_custom_pos;
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};
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static Evas_Smart *_smart = NULL;
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static Evas_Smart_Class _parent_sc = EVAS_SMART_CLASS_INIT_NULL;
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static void
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_smart_add(Evas_Object *obj)
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{
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Scrolio *sd;
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Evas_Object *o;
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Evas_Load_Error err;
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sd = calloc(1, sizeof(Scrolio));
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EINA_SAFETY_ON_NULL_RETURN(sd);
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evas_object_smart_data_set(obj, sd);
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_parent_sc.add(obj);
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/* miniview output widget */
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o = evas_object_image_add(evas_object_evas_get(obj));
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//evas_object_image_file_set(o, "data/themes/images/miniview_white_bg.png", NULL);
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//err = evas_object_image_load_error_get(o);
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//if (err != EVAS_LOAD_ERROR_NONE)
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// printf("error\n");
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evas_object_image_alpha_set(o, EINA_TRUE);
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evas_object_smart_member_add(o, obj);
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sd->image_obj = o;
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}
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static void
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_smart_del()
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{
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}
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static void
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_smart_move()
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{
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}
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static void
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_smart_calculate(Evas_Object *obj)
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{
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Scrolio *sd = evas_object_smart_data_get(obj);
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if (!sd) return;
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//evas_object_geometry_get(sd->obj, &ox, &oy, &ow, &oh);
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//evas_object_move(sd->grid.obj, ox+(sd->grid.w*0.8), oy);
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//evas_object_resize(sd->grid.obj,
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// sd->grid.w * sd->font.chw,
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// sd->grid.h * sd->font.chh);
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evas_object_image_size_set(sd->image_obj, sd->parent_w / sd->font.chw,
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(sd->parent_h / sd->font.chh) + sd->scrollback);
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evas_object_image_fill_set(sd->image_obj, 0, 0, sd->parent_w * 0.15,
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sd->parent_h);
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evas_object_resize(sd->image_obj, sd->parent_w * 0.15, sd->parent_h);
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evas_object_move(sd->image_obj, sd->parent_x + (sd->parent_w * 0.85),
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sd->parent_y);
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}
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static void
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_smart_apply(Evas_Object *obj)
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{
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Scrolio *sd = evas_object_smart_data_get(obj);
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evas_object_show(sd->image_obj);
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evas_object_show(sd->edje_obj);
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evas_object_show(sd->screen_obj);
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}
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static void
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_smart_size(Evas_Object *obj)
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{
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Scrolio *sd = evas_object_smart_data_get(obj);
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if (!sd) return;
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sd->miniview_screen_size = (double) sd->parent_h /
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(double) (sd->scrollback * sd->font.chh);
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sd->miniview_screen_step = (double) sd->parent_h / (double) sd->scrollback;
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sd->miniview_screen_default_pos = (((double) sd->parent_h/(double) sd->scrollback)
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* (sd->lines_drawn - sd->scroll))
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/ (double) sd->parent_h
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- sd->miniview_screen_size;
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evas_object_image_size_set(sd->image_obj, (sd->parent_w / sd->font.chw),
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sd->parent_h);
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evas_object_move(sd->edje_obj, sd->parent_x, sd->parent_y);
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evas_object_resize(sd->edje_obj, sd->parent_w, sd->parent_h);
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edje_object_part_drag_size_set(sd->screen_obj, "miniview_screen", 1.0,
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sd->miniview_screen_size);
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if (!edje_object_part_drag_step_set(sd->screen_obj, "miniview_screen", 0.0,
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sd->miniview_screen_step))
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printf("error when setting drag step size.\n");
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evas_object_move(sd->screen_obj, sd->parent_x, sd->parent_y);
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evas_object_resize(sd->screen_obj, sd->parent_w, sd->parent_h);
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_smart_calculate(obj);
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_smart_apply(obj);
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}
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static void
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_smart_resize()
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{
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/*
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Scrolio *sd = evas_object_smart_data_get(obj);
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if (!sd) return;
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_smart_size(obj);
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_scrolio_draw(obj, sd->grid.obj, sd->parent_w, sd->parent_h);
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*/
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}
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static void
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_smart_init(void)
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{
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static Evas_Smart_Class sc;
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evas_object_smart_clipped_smart_set(&_parent_sc);
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sc = _parent_sc;
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sc.name = "scrolio";
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sc.version = EVAS_SMART_CLASS_VERSION;
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sc.add = _smart_add;
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sc.del = _smart_del;
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sc.resize = _smart_resize;
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sc.move = _smart_move;
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sc.calculate = _smart_calculate;
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_smart = evas_smart_class_new(&sc);
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}
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static void
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_on_knob_moved(void *data, Evas_Object *o, const char *emission EINA_UNUSED, const char *source EINA_UNUSED)
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{
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Scrolio *sd = evas_object_smart_data_get(data);
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double val;
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edje_object_part_drag_value_get(o, "miniview_screen", NULL, &val);
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sd->scroll = sd->lines_drawn -
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((sd->lines_drawn - (sd->parent_h / sd->font.chh)) *
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(val + sd->miniview_screen_size));
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// if miniview lines are less than scrollback lines
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// (miniview obj isn't fully drawn from top to bottom)
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if (sd->lines_drawn < sd->scrollback + (sd->parent_h / sd->font.chh) - 1)
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{
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if (val > sd->miniview_screen_default_pos)
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{
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val = sd->miniview_screen_default_pos;
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sd->scroll = 0;
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}
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else
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{
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sd->scroll = sd->lines_drawn -
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((sd->lines_drawn - (sd->parent_h / sd->font.chh)) *
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((val / sd->miniview_screen_default_pos))) -
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sd->parent_h / sd->font.chh;
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}
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}
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if (sd->scroll < 0) sd->scroll = 0;
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printf("sd->scroll is:: %d and lines are: %f\n", sd->scroll, sd->lines_drawn);
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termio_scroll_set(sd->termio, sd->scroll);
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}
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void
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_scrolio_draw(Evas_Object *obj)
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{
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Scrolio *sd = evas_object_smart_data_get(obj);
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Termcell *cells;
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unsigned int *pixels, *p;
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int x=0, y=0, r, g, b, i;
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int wret=0;
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int pty_scan_width = 0;
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Eina_Bool pty_compact_w = EINA_FALSE;
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sd->lines_drawn = 0;
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pixels = evas_object_image_data_get(sd->image_obj, EINA_TRUE);
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p = pixels;
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for (y = 0 - sd->pty->backscroll_num; y < sd->parent_h / sd->font.chh; y++)
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{
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cells = termpty_cellrow_get(sd->pty, y, &wret);
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if (wret < sd->parent_w / sd->font.chw)
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{
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pty_scan_width = wret;
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pty_compact_w = EINA_TRUE;
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}
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else
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{
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pty_scan_width = sd->parent_w / sd->font.chw;
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pty_compact_w = EINA_FALSE;
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}
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for (x=0; x < pty_scan_width; x++)
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{
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if (cells[x].codepoint == 0 || cells[x].codepoint == ' ' ||
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cells[x].att.newline || cells[x].att.tab ||
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cells[x].codepoint == '\0' || cells[x].codepoint <= 0)
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{
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r=0; g = 0; b = 0;
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*p = (r << 16) | (g << 8) | (b);
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p++;
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}
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else
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{
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switch (cells[x].att.fg)
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{
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// TODO: get pixel colors from current themee...
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case 0:
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r = 180; g = 180; b = 180;
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break;
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case 2:
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r = 204; g = 51; b = 51;
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break;
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case 3:
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r = 51; g = 204; b = 51;
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break;
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case 4:
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r = 204; g = 136; b = 51;
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break;
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case 5:
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r = 51; g = 51; b = 204;
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break;
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case 6:
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r = 204; g = 51; b = 204;
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break;
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case 7:
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r = 51; g = 204; b = 204;
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break;
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default:
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r = 180; g = 180; b = 180;
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}
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*p = (r << 16) | (g << 8) | (b);
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p++;
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}
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}
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if (pty_compact_w)
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for (i=0; i < (sd->parent_w / sd->font.chw) - wret; i++)
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{
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r=0; g = 0; b = 0;
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*p = (r << 16) | (g << 8) | (b);
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p++;
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}
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sd->lines_drawn++;
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}
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evas_object_image_data_set(sd->image_obj, pixels);
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evas_object_image_data_update_add(sd->image_obj, 0, 0, sd->parent_w * 0.85, sd->parent_h * sd->parent_h);
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}
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void
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scrolio_miniview_resize(Evas_Object *obj, Termpty *pty, int w, int h)
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{
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Scrolio *sd = evas_object_smart_data_get(obj);
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if (!sd) return;
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sd->parent_w = w;
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sd->parent_h = h;
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sd->pty = pty;
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_smart_size(obj);
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}
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void
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scrolio_miniview_move(Evas_Object *obj, int x, int y)
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{
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Scrolio *sd = evas_object_smart_data_get(obj);
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if (!sd) return;
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sd->parent_x = x;
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sd->parent_y = y;
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_smart_size(obj);
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}
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void
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scrolio_miniview_update_scroll(Evas_Object *obj, int scroll_position)
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{
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Scrolio *sd = evas_object_smart_data_get(obj);
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if (!sd) return;
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sd->scroll = scroll_position;
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_smart_size(obj);
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edje_object_part_drag_value_set(sd->screen_obj, "miniview_screen", 0.0, sd->miniview_screen_default_pos);
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_scrolio_draw(obj);
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}
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Evas_Object *
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scrolio_miniview_add(Evas_Object *parent, int fontw, int fonth, Termpty *pty,
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int scroll, int scroll_position, int x, int y, int w, int h)
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{
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Evas *e;
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Evas_Object *obj, *edje_obj;
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Config *config = termio_config_get(parent);
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Scrolio *sd;
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EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
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e = evas_object_evas_get(parent);
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if (!e) return NULL;
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if (!_smart) _smart_init();
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obj = evas_object_smart_add(e, _smart);
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sd = evas_object_smart_data_get(obj);
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if (!sd) return obj;
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sd->parent_x = x;
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sd->parent_y = y;
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sd->parent_w = w;
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sd->parent_h = h;
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sd->font.chw = fontw;
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sd->font.chh = fonth;
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sd->pty = pty;
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sd->scrollback = config->scrollback;
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sd->scroll = scroll_position;
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sd->miniview_screen_size = (double) sd->parent_h / sd->font.chh * sd->scrollback;
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(double) (sd->scrollback * sd->font.chh);
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(double) (sd->scrollback * sd->font.chh);
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sd->miniview_screen_step = (double) sd->parent_h / (double) sd->scrollback;
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sd->miniview_screen_default_pos = (((double) sd->parent_h/(double) sd->scrollback)// How many pixels we need for each line drawn
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* (sd->lines_drawn - sd->scroll)) // Multiplied by how many lines are drawn
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/ (double) sd->parent_h // Divided by height to find the percentage
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- sd->miniview_screen_size;
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sd->termio = parent;
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edje_obj = edje_object_add(e);
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edje_object_file_set(edje_obj, config_theme_path_get(config),
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"terminology/miniview");
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edje_object_part_swallow(edje_obj, "miniview", obj);
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evas_object_move(edje_obj, x, y);
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evas_object_resize(edje_obj, w, h);
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sd->edje_obj = edje_obj;
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edje_obj = edje_object_add(e);
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edje_object_file_set(edje_obj, config_theme_path_get(config),
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"terminology/miniview");
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edje_object_part_drag_size_set(edje_obj, "miniview_screen", 1.0,
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sd->miniview_screen_size);
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if (!edje_object_part_drag_step_set(edje_obj, "miniview_screen", 0.0, sd->miniview_screen_step))
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printf("error when setting drag step size.\n");
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edje_object_signal_callback_add(edje_obj, "drag", "miniview_screen", _on_knob_moved, obj);
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evas_object_move(edje_obj, x, y);
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evas_object_resize(edje_obj, w, h);
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sd->screen_obj = edje_obj;
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_smart_size(obj);
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_scrolio_draw(obj);
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scrolio_miniview_update_scroll(obj, sd->scroll);
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return obj;
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}
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void
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scrolio_miniview_hide(Evas_Object *obj)
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{
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Scrolio *sd = evas_object_smart_data_get(obj);
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if (!sd) return;
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evas_object_hide(sd->image_obj);
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evas_object_hide(sd->edje_obj);
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evas_object_hide(sd->screen_obj);
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sd->image_obj = NULL;
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sd->edje_obj = NULL;
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sd->screen_obj = NULL;
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}
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