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notes_ui.c
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notes_ui.c
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/*
* Copyright (c) 2019-2020 Hanspeter Portner ([email protected])
*
* This is free software: you can redistribute it and/or modify
* it under the terms of the Artistic License 2.0 as published by
* The Perl Foundation.
*
* This source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Artistic License 2.0 for more details.
*
* You should have received a copy of the Artistic License 2.0
* along the source as a COPYING file. If not, obtain it from
* http://www.perlfoundation.org/artistic_license_2_0.
*/
#include <stdlib.h>
#include <inttypes.h>
#include <stdio.h>
#include <math.h>
#include <unistd.h>
#include <errno.h>
#include <ctype.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
#include <utime.h>
#include <wordexp.h>
#include <notes.h>
#include <props.h>
#define SER_ATOM_IMPLEMENTATION
#include <ser_atom.lv2/ser_atom.h>
#include <d2tk/hash.h>
#include <d2tk/util.h>
#include <d2tk/frontend_pugl.h>
typedef struct _plughandle_t plughandle_t;
struct _plughandle_t {
LV2_URID_Map *map;
LV2_Atom_Forge forge;
LV2_Log_Log *log;
LV2_Log_Logger logger;
#ifdef _LV2_HAS_REQUEST_VALUE
LV2UI_Request_Value *request_text;
LV2UI_Request_Value *request_image;
#endif
d2tk_pugl_config_t config;
d2tk_frontend_t *dpugl;
LV2UI_Controller *controller;
LV2UI_Write_Function writer;
PROPS_T(props, MAX_NPROPS);
plugstate_t state;
plugstate_t stash;
uint64_t hash;
LV2_URID atom_eventTransfer;
LV2_URID atom_beatTime;
LV2_URID urid_text;
LV2_URID urid_fontHeight;
LV2_URID urid_image;
LV2_URID urid_imageMinimized;
LV2_URID urid_textMinimized;
bool reinit;
char template [24];
int fd;
time_t modtime;
float scale;
d2tk_coord_t header_height;
d2tk_coord_t footer_height;
d2tk_coord_t tip_height;
d2tk_coord_t font_height;
uint32_t max_red;
int done;
int kid;
wordexp_t wordexp;
};
static void
_update_font_height(plughandle_t *handle)
{
handle->font_height = handle->state.font_height * handle->scale;
}
static void
_intercept_text(void *data, int64_t frames __attribute__((unused)),
props_impl_t *impl)
{
plughandle_t *handle = data;
ssize_t txt_len = impl->value.size;
const char *txt = handle->state.text;
const uint64_t hash = d2tk_hash(txt, txt_len);
if(handle->hash == hash)
{
return;
}
handle->hash = hash;
// save txt to file
if(lseek(handle->fd, 0, SEEK_SET) == -1)
{
lv2_log_error(&handle->logger, "lseek: %s\n", strerror(errno));
}
if(ftruncate(handle->fd, 0) == -1)
{
lv2_log_error(&handle->logger, "ftruncate: %s\n", strerror(errno));
}
if(fsync(handle->fd) == -1)
{
lv2_log_error(&handle->logger, "fsync: %s\n", strerror(errno));
}
if(txt_len > 0)
{
if(write(handle->fd, txt, txt_len - 1) == -1)
{
lv2_log_error(&handle->logger, "write: %s\n", strerror(errno));
}
}
if(fsync(handle->fd) == -1)
{
lv2_log_error(&handle->logger, "fsync: %s\n", strerror(errno));
}
// change modification timestamp of file
struct stat st;
if(stat(handle->template, &st) == -1)
{
lv2_log_error(&handle->logger, "stat: %s\n", strerror(errno));
}
handle->modtime = time(NULL);
const struct utimbuf btime = {
.actime = st.st_atime,
.modtime = handle->modtime
};
if(utime(handle->template, &btime) == -1)
{
lv2_log_error(&handle->logger, "utime: %s\n", strerror(errno));
}
handle->reinit = true;
}
static void
_intercept_font_height(void *data, int64_t frames __attribute__((unused)),
props_impl_t *impl __attribute__((unused)))
{
plughandle_t *handle = data;
_update_font_height(handle);
}
static const props_def_t defs [MAX_NPROPS] = {
{
.property = NOTES__text,
.offset = offsetof(plugstate_t, text),
.type = LV2_ATOM__String,
.event_cb = _intercept_text,
.max_size = CODE_SIZE
},
{
.property = NOTES__fontHeight,
.offset = offsetof(plugstate_t, font_height),
.type = LV2_ATOM__Int,
.event_cb = _intercept_font_height
},
{
.property = NOTES__image,
.offset = offsetof(plugstate_t, image),
.type = LV2_ATOM__Path,
.max_size = PATH_MAX
},
{
.property = NOTES__imageMinimized,
.offset = offsetof(plugstate_t, image_minimized),
.type = LV2_ATOM__Bool
},
{
.property = NOTES__textMinimized,
.offset = offsetof(plugstate_t, text_minimized),
.type = LV2_ATOM__Bool
}
};
static void
_message_set_key(plughandle_t *handle, LV2_URID key)
{
ser_atom_t ser;
props_impl_t *impl = _props_impl_get(&handle->props, key);
if(!impl)
{
return;
}
ser_atom_init(&ser);
ser_atom_reset(&ser, &handle->forge);
LV2_Atom_Forge_Ref ref = 1;
props_set(&handle->props, &handle->forge, 0, key, &ref);
const LV2_Atom_Event *ev = (const LV2_Atom_Event *)ser_atom_get(&ser);
const LV2_Atom *atom = &ev->body;
handle->writer(handle->controller, 0, lv2_atom_total_size(atom),
handle->atom_eventTransfer, atom);
ser_atom_deinit(&ser);
}
static void
_message_get(plughandle_t *handle, LV2_URID key)
{
ser_atom_t ser;
props_impl_t *impl = _props_impl_get(&handle->props, key);
if(!impl)
{
return;
}
ser_atom_init(&ser);
ser_atom_reset(&ser, &handle->forge);
LV2_Atom_Forge_Ref ref = 1;
props_get(&handle->props, &handle->forge, 0, key, &ref);
const LV2_Atom_Event *ev = (const LV2_Atom_Event *)ser_atom_get(&ser);
const LV2_Atom *atom = &ev->body;
handle->writer(handle->controller, 0, lv2_atom_total_size(atom),
handle->atom_eventTransfer, atom);
ser_atom_deinit(&ser);
}
static void
_expose_header(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_frontend_t *dpugl = handle->dpugl;
d2tk_base_t *base = d2tk_frontend_get_base(dpugl);
const d2tk_coord_t frac [3] = { 1, 1, 1 };
D2TK_BASE_LAYOUT(rect, 3, frac, D2TK_FLAG_LAYOUT_X_REL, lay)
{
const unsigned k = d2tk_layout_get_index(lay);
const d2tk_rect_t *lrect = d2tk_layout_get_rect(lay);
switch(k)
{
case 0:
{
d2tk_base_label(base, -1, "Open•Music•Kontrollers", 0.5f, lrect,
D2TK_ALIGN_LEFT | D2TK_ALIGN_TOP);
} break;
case 1:
{
d2tk_base_label(base, -1, "N•O•T•E•S", 1.f, lrect,
D2TK_ALIGN_CENTER | D2TK_ALIGN_TOP);
} break;
case 2:
{
d2tk_base_label(base, -1, "Version "NOTES_VERSION, 0.5f, lrect,
D2TK_ALIGN_RIGHT | D2TK_ALIGN_TOP);
} break;
}
}
}
static void
_expose_font_height(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_frontend_t *dpugl = handle->dpugl;
d2tk_base_t *base = d2tk_frontend_get_base(dpugl);
static const char lbl [] = "font-height•px";
if(d2tk_base_spinner_int32_is_changed(base, D2TK_ID, rect,
sizeof(lbl), lbl, 10, &handle->state.font_height, 25, D2TK_FLAG_NONE))
{
_message_set_key(handle, handle->urid_fontHeight);
_update_font_height(handle);
}
}
#ifdef _LV2_HAS_REQUEST_VALUE
static void
_expose_image_load(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_frontend_t *dpugl = handle->dpugl;
d2tk_base_t *base = d2tk_frontend_get_base(dpugl);
static const char path [] = "save.png";
static const char tip [] = "load from file";
if(!handle->request_image)
{
return;
}
const d2tk_state_t state = d2tk_base_button_image(base, D2TK_ID,
sizeof(path), path, rect);
if(d2tk_state_is_changed(state))
{
const LV2_URID key = handle->urid_image;
const LV2_URID type = handle->forge.Path;
const LV2UI_Request_Value_Status status = handle->request_image->request(
handle->request_image->handle, key, type, NULL);
if( (status != LV2UI_REQUEST_VALUE_SUCCESS)
&& (status != LV2UI_REQUEST_VALUE_BUSY) )
{
lv2_log_error(&handle->logger, "[%s] requestValue failed: %i", __func__, status);
if(status == LV2UI_REQUEST_VALUE_ERR_UNSUPPORTED)
{
handle->request_image = NULL;
}
}
}
if(d2tk_state_is_over(state))
{
d2tk_base_set_tooltip(base, sizeof(tip), tip, handle->tip_height);
}
}
#endif
static void
_update_image(plughandle_t *handle, const char *img, size_t img_len)
{
ser_atom_t ser;
ser_atom_init(&ser);
ser_atom_reset(&ser, &handle->forge);
lv2_atom_forge_path(&handle->forge, img, img_len);
const LV2_Atom *atom = ser_atom_get(&ser);
props_impl_t *impl = _props_impl_get(&handle->props, handle->urid_image);
_props_impl_set(&handle->props, impl, atom->type, atom->size,
LV2_ATOM_BODY_CONST(atom));
ser_atom_deinit(&ser);
_message_set_key(handle, handle->urid_image);
}
static bool
_image_invalid(plughandle_t *handle)
{
return !strlen(handle->state.image)
|| strcasestr(handle->state.image, "notes.ttl")
|| strcasestr(handle->state.image, "state.ttl");
}
static void
_expose_image_clear(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_frontend_t *dpugl = handle->dpugl;
d2tk_base_t *base = d2tk_frontend_get_base(dpugl);
static const char path [] = "delete.png";
static const char none [] = "";
static const char tip [] = "clear";
if(_image_invalid(handle))
{
return;
}
const d2tk_state_t state = d2tk_base_button_image(base, D2TK_ID,
sizeof(path), path, rect);
if(d2tk_state_is_changed(state))
{
_update_image(handle, none, sizeof(none));
d2tk_base_clear_focus(base);
}
if(d2tk_state_is_over(state))
{
d2tk_base_set_tooltip(base, sizeof(tip), tip, handle->tip_height);
}
}
static void
_expose_image_copy(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_frontend_t *dpugl = handle->dpugl;
d2tk_base_t *base = d2tk_frontend_get_base(dpugl);
static const char path [] = "copy.png";
static const char tip [] = "copy to clipboard";
if(_image_invalid(handle))
{
return;
}
const d2tk_state_t state = d2tk_base_button_image(base, D2TK_ID,
sizeof(path), path, rect);
if(d2tk_state_is_changed(state))
{
const int fd = open(handle->state.image, O_RDONLY);
if(fd == -1)
{
lv2_log_error(&handle->logger, "[%s] open failed: %s", __func__,
strerror(errno));
return;
}
lseek(fd, 0, SEEK_SET);
const size_t buf_len = lseek(fd, 0, SEEK_END);
lseek(fd, 0, SEEK_SET);
char *buf = alloca(buf_len + 1);
if(!buf)
{
lv2_log_error(&handle->logger, "[%s] alloca failed", __func__);
close(fd);
return;
}
read(fd, buf, buf_len);
close(fd);
const char *suffix = strrchr(handle->state.image, '.');
if(!suffix)
{
lv2_log_note(&handle->logger, "[%s] unknown image type", __func__);
return;
}
suffix++;
char mime [32];
if(!strcasecmp(suffix, "jpg"))
{
snprintf(mime, sizeof(mime), "image/jpeg");
}
else if(!strcasecmp(suffix, "jpeg")
|| !strcasecmp(suffix, "png")
|| !strcasecmp(suffix, "tga")
|| !strcasecmp(suffix, "bmp")
|| !strcasecmp(suffix, "psd")
|| !strcasecmp(suffix, "gif")
|| !strcasecmp(suffix, "hdr")
|| !strcasecmp(suffix, "pic")
|| !strcasecmp(suffix, "ppm")
|| !strcasecmp(suffix, "pgm"))
{
snprintf(mime, sizeof(mime), "image/%s", suffix);
}
else
{
lv2_log_error(&handle->logger, "[%s] image type not supported", __func__);
return;
}
for(unsigned i = 0; i < strlen(mime); i++)
{
mime[i] = tolower(mime[i]);
}
lv2_log_note(&handle->logger, "[%s] copying image as '%s'", __func__, mime);
d2tk_frontend_set_clipboard(dpugl, mime, buf, buf_len);
}
if(d2tk_state_is_over(state))
{
d2tk_base_set_tooltip(base, sizeof(tip), tip, handle->tip_height);
}
}
static void
_expose_image_paste(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_frontend_t *dpugl = handle->dpugl;
d2tk_base_t *base = d2tk_frontend_get_base(dpugl);
static const char path [] = "clipboard.png";
static const char tip [] = "paste from clipboard";
const d2tk_state_t state = d2tk_base_button_image(base, D2TK_ID,
sizeof(path), path, rect);
if(d2tk_state_is_changed(state))
{
size_t txt_len = 0;
const char *mime = "image/png";
const char *txt = d2tk_frontend_get_clipboard(dpugl, &mime, &txt_len);
if(txt && txt_len && mime && strstr(mime, "image/"))
{
const char *suffix = strchr(mime, '/');
suffix += 1;
char template [24];
snprintf(template, sizeof(template), "/tmp/XXXXXX.%s", suffix);
const int fd = mkstemps(template, strlen(suffix) + 1);
if(fd == -1)
{
lv2_log_error(&handle->logger, "[%s] mkstemps failed: %s", __func__,
strerror(errno));
}
else
{
if(write(fd, txt, txt_len) == -1)
{
lv2_log_error(&handle->logger, "[%s] write failed %s", __func__,
strerror(errno));
}
else
{
_update_image(handle, template, strlen(template) + 1);
lv2_log_note(&handle->logger, "[%s] paste saved as %s", __func__,
template);
}
close(fd);
}
}
else
{
lv2_log_error(&handle->logger, "[%s] failed to paste image: %s", __func__,
mime);
}
}
if(d2tk_state_is_over(state))
{
d2tk_base_set_tooltip(base, sizeof(tip), tip, handle->tip_height);
}
}
static void
_expose_image_body(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_frontend_t *dpugl = handle->dpugl;
d2tk_base_t *base = d2tk_frontend_get_base(dpugl);
d2tk_base_image(base, -1, handle->state.image, rect, D2TK_ALIGN_CENTERED);
}
/* list of tested console editors:
*
* e3
* joe
* nano
* vi
* vis
* vim
* neovim
* emacs
* zile
* mg
* kakoune
*/
/* list of tested graphical editors:
*
* acme
* adie
* beaver
* deepin-editor
* gedit (does not work properly)
* gobby
* howl
* jedit (does not work properly)
* xed (does not work properly)
* leafpad
* mousepad
* nedit
* notepadqq
* pluma (does not work properly)
* sublime3 (needs to be started with -w)
*/
static void
_expose_text_body(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_frontend_t *dpugl = handle->dpugl;
d2tk_base_t *base = d2tk_frontend_get_base(dpugl);
char **args = handle->wordexp.we_wordv;
d2tk_flag_t flag = D2TK_FLAG_NONE;
if(handle->reinit)
{
flag |= D2TK_FLAG_PTY_REINIT;
}
D2TK_BASE_PTY(base, D2TK_ID, NULL, args, handle->font_height, rect, flag, pty)
{
const d2tk_state_t state = d2tk_pty_get_state(pty);
const uint32_t max_red = d2tk_pty_get_max_red(pty);
if(max_red != handle->max_red)
{
handle->max_red = max_red;
d2tk_frontend_redisplay(handle->dpugl);
}
if(d2tk_state_is_close(state))
{
handle->done = 1;
}
}
handle->reinit = false;
}
#ifdef _LV2_HAS_REQUEST_VALUE
static void
_expose_text_load(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_frontend_t *dpugl = handle->dpugl;
d2tk_base_t *base = d2tk_frontend_get_base(dpugl);
static const char path [] = "save.png";
static const char tip [] = "load from file";
if(!handle->request_text)
{
return;
}
const d2tk_state_t state = d2tk_base_button_image(base, D2TK_ID,
sizeof(path), path, rect);
if(d2tk_state_is_changed(state))
{
const LV2_URID key = handle->urid_text;
const LV2_URID type = handle->forge.String;
const LV2UI_Request_Value_Status status = handle->request_text->request(
handle->request_text->handle, key, type, NULL);
if( (status != LV2UI_REQUEST_VALUE_SUCCESS)
&& (status != LV2UI_REQUEST_VALUE_BUSY) )
{
lv2_log_error(&handle->logger, "[%s] requestValue failed: %i", __func__, status);
if(status == LV2UI_REQUEST_VALUE_ERR_UNSUPPORTED)
{
handle->request_text = NULL;
}
}
}
if(d2tk_state_is_over(state))
{
d2tk_base_set_tooltip(base, sizeof(tip), tip, handle->tip_height);
}
}
#endif
static void
_update_text(plughandle_t *handle, const char *txt, size_t txt_len)
{
ser_atom_t ser;
ser_atom_init(&ser);
ser_atom_reset(&ser, &handle->forge);
lv2_atom_forge_string(&handle->forge, txt, txt_len);
const LV2_Atom *atom = ser_atom_get(&ser);
props_impl_t *impl = _props_impl_get(&handle->props, handle->urid_text);
_props_impl_set(&handle->props, impl, atom->type, atom->size,
LV2_ATOM_BODY_CONST(atom));
ser_atom_deinit(&ser);
_message_set_key(handle, handle->urid_text);
}
static void
_expose_text_clear(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_frontend_t *dpugl = handle->dpugl;
d2tk_base_t *base = d2tk_frontend_get_base(dpugl);
static const char path [] = "delete.png";
static const char none [] = "";
static const char tip [] = "clear";
const d2tk_state_t state = d2tk_base_button_image(base, D2TK_ID,
sizeof(path), path, rect);
if(d2tk_state_is_changed(state))
{
_update_text(handle, none, sizeof(none) - 1);
}
if(d2tk_state_is_over(state))
{
d2tk_base_set_tooltip(base, sizeof(tip), tip, handle->tip_height);
}
}
static void
_expose_text_copy(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_frontend_t *dpugl = handle->dpugl;
d2tk_base_t *base = d2tk_frontend_get_base(dpugl);
static const char path [] = "copy.png";
static const char tip [] = "copy to clipboard";
const d2tk_state_t state = d2tk_base_button_image(base, D2TK_ID,
sizeof(path), path, rect);
if(d2tk_state_is_changed(state))
{
d2tk_frontend_set_clipboard(dpugl, "UTF8_STRING",
handle->state.text, strlen(handle->state.text) + 1);
}
if(d2tk_state_is_over(state))
{
d2tk_base_set_tooltip(base, sizeof(tip), tip, handle->tip_height);
}
}
static void
_expose_text_paste(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_frontend_t *dpugl = handle->dpugl;
d2tk_base_t *base = d2tk_frontend_get_base(dpugl);
static const char path [] = "clipboard.png";
static const char tip [] = "paste from clipboard";
const d2tk_state_t state = d2tk_base_button_image(base, D2TK_ID,
sizeof(path), path, rect);
if(d2tk_state_is_changed(state))
{
size_t txt_len = 0;
const char *mime = "UTF8_STRING";
const char *txt = d2tk_frontend_get_clipboard(dpugl, &mime, &txt_len);
if(txt && txt_len && mime && !strcmp(mime, "UTF8_STRING"))
{
_update_text(handle, txt, txt_len);
}
else
{
lv2_log_error(&handle->logger, "[%s] failed to paste text: %s", __func__,
mime);
}
}
if(d2tk_state_is_over(state))
{
d2tk_base_set_tooltip(base, sizeof(tip), tip, handle->tip_height);
}
}
static const char *
_text_basename(plughandle_t *handle)
{
return basename(handle->template);
}
static void
_expose_text_link(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_base_t *base = d2tk_frontend_get_base(handle->dpugl);
static const char tip [] = "open externally";
char lbl [PATH_MAX];
const size_t lbl_len = snprintf(lbl, sizeof(lbl), "%s",
_text_basename(handle));
const d2tk_state_t state = d2tk_base_link(base, D2TK_ID, lbl_len, lbl, .5f,
rect, D2TK_ALIGN_MIDDLE | D2TK_ALIGN_LEFT);
if(d2tk_state_is_changed(state))
{
char *argv [] = {
"xdg-open",
handle->template,
NULL
};
d2tk_util_kill(&handle->kid);
handle->kid = d2tk_util_spawn(argv);
if(handle->kid <= 0)
{
lv2_log_error(&handle->logger, "[%s] failed to spawn: %s '%s'", __func__,
argv[0], argv[1]);
}
}
if(d2tk_state_is_over(state))
{
d2tk_base_set_tooltip(base, sizeof(tip), tip, handle->tip_height);
}
d2tk_util_wait(&handle->kid);
}
static void
_expose_text_minimize(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_base_t *base = d2tk_frontend_get_base(handle->dpugl);
static const char *path [2] = { "eye-off.png", "eye.png" };
static const char tip [2][5] = { "show", "hide" };
bool visible = !handle->state.text_minimized;
const d2tk_state_t state = d2tk_base_toggle_label_image(base, D2TK_ID,
0, NULL, D2TK_ALIGN_CENTERED, -1, path[visible], rect, &visible);
if(d2tk_state_is_changed(state))
{
handle->state.text_minimized = !handle->state.text_minimized;
_message_set_key(handle, handle->urid_textMinimized);
}
if(d2tk_state_is_over(state))
{
d2tk_base_set_tooltip(base, sizeof(tip[visible]), tip[visible], handle->tip_height);
}
}
static void
_expose_text_footer(plughandle_t *handle, const d2tk_rect_t *rect)
{
const d2tk_coord_t frac [7] = {
0, 0, rect->h, rect->h, rect->h, rect->h, rect->h
};
D2TK_BASE_LAYOUT(rect, 7, frac, D2TK_FLAG_LAYOUT_X_ABS, lay)
{
const unsigned k = d2tk_layout_get_index(lay);
const d2tk_rect_t *lrect = d2tk_layout_get_rect(lay);
switch(k)
{
case 0:
{
_expose_text_link(handle, lrect);
} break;
case 1:
{
_expose_font_height(handle, lrect);
} break;
case 2:
{
_expose_text_clear(handle, lrect);
} break;
case 3:
{
_expose_text_copy(handle, lrect);
} break;
case 4:
{
_expose_text_paste(handle, lrect);
} break;
case 5:
{
#ifdef _LV2_HAS_REQUEST_VALUE
_expose_text_load(handle, lrect);
#endif
} break;
case 6:
{
_expose_text_minimize(handle, lrect);
} break;
}
}
}
static const char *
_image_basename(plughandle_t *handle)
{
return basename(handle->state.image);
}
static void
_expose_image_link(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_base_t *base = d2tk_frontend_get_base(handle->dpugl);
if(_image_invalid(handle))
{
return;
}
static const char tip [] = "open externally";
char lbl [PATH_MAX];
const size_t lbl_len = snprintf(lbl, sizeof(lbl), "%s",
_image_basename(handle));
const d2tk_state_t state = d2tk_base_link(base, D2TK_ID, lbl_len, lbl, .5f,
rect, D2TK_ALIGN_MIDDLE | D2TK_ALIGN_LEFT);
if(d2tk_state_is_changed(state))
{
char *argv [] = {
"xdg-open",
handle->state.image,
NULL
};
d2tk_util_kill(&handle->kid);
handle->kid = d2tk_util_spawn(argv);
if(handle->kid <= 0)
{
lv2_log_error(&handle->logger, "[%s] failed to spawn: %s '%s'", __func__,
argv[0], argv[1]);
}
}
if(d2tk_state_is_over(state))
{
d2tk_base_set_tooltip(base, sizeof(tip), tip, handle->tip_height);
}
d2tk_util_wait(&handle->kid);
}
static void
_expose_image_minimize(plughandle_t *handle, const d2tk_rect_t *rect)
{
d2tk_base_t *base = d2tk_frontend_get_base(handle->dpugl);
static const char *path [2] = { "eye-off.png", "eye.png" };
static const char tip [2][5] = { "show", "hide" };
bool visible = !handle->state.image_minimized;
const d2tk_state_t state = d2tk_base_toggle_label_image(base, D2TK_ID,
0, NULL, D2TK_ALIGN_CENTERED, -1, path[visible], rect, &visible);
if(d2tk_state_is_changed(state))
{
handle->state.image_minimized = !handle->state.image_minimized;
_message_set_key(handle, handle->urid_imageMinimized);
}
if(d2tk_state_is_over(state))
{
d2tk_base_set_tooltip(base, sizeof(tip[visible]), tip[visible], handle->tip_height);
}
}
static void
_expose_image_footer(plughandle_t *handle, const d2tk_rect_t *rect)
{
const d2tk_coord_t frac [6] = {
0, rect->h, rect->h, rect->h, rect->h, rect->h
};
D2TK_BASE_LAYOUT(rect, 6, frac, D2TK_FLAG_LAYOUT_X_ABS, lay)
{
const unsigned k = d2tk_layout_get_index(lay);
const d2tk_rect_t *lrect = d2tk_layout_get_rect(lay);
switch(k)
{
case 0:
{
_expose_image_link(handle, lrect);
} break;
case 1:
{
_expose_image_clear(handle, lrect);
} break;
case 2:
{
_expose_image_copy(handle, lrect);
} break;
case 3:
{
_expose_image_paste(handle, lrect);
} break;
case 4:
{
#ifdef _LV2_HAS_REQUEST_VALUE
_expose_image_load(handle, lrect);
#endif
} break;
case 5: