diff options
Diffstat (limited to 'plugins/eg-sampler.lv2/sampler_ui.c')
| -rw-r--r-- | plugins/eg-sampler.lv2/sampler_ui.c | 254 |
1 files changed, 0 insertions, 254 deletions
diff --git a/plugins/eg-sampler.lv2/sampler_ui.c b/plugins/eg-sampler.lv2/sampler_ui.c deleted file mode 100644 index 23204c5..0000000 --- a/plugins/eg-sampler.lv2/sampler_ui.c +++ /dev/null @@ -1,254 +0,0 @@ -/* - LV2 Sampler Example Plugin UI - Copyright 2011-2016 David Robillard <d@drobilla.net> - - Permission to use, copy, modify, and/or distribute this software for any - purpose with or without fee is hereby granted, provided that the above - copyright notice and this permission notice appear in all copies. - - THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -*/ - -#include <stdlib.h> - -#include <gtk/gtk.h> - -#include "lv2/lv2plug.in/ns/ext/atom/atom.h" -#include "lv2/lv2plug.in/ns/ext/atom/forge.h" -#include "lv2/lv2plug.in/ns/ext/atom/util.h" -#include "lv2/lv2plug.in/ns/ext/log/logger.h" -#include "lv2/lv2plug.in/ns/ext/patch/patch.h" -#include "lv2/lv2plug.in/ns/ext/urid/urid.h" -#include "lv2/lv2plug.in/ns/extensions/ui/ui.h" -#include "lv2/lv2plug.in/ns/lv2core/lv2_util.h" - -#include "./uris.h" - -#define SAMPLER_UI_URI "http://lv2plug.in/plugins/eg-sampler#ui" - -typedef struct { - LV2_Atom_Forge forge; - LV2_URID_Map* map; - LV2_Log_Logger logger; - SamplerURIs uris; - - LV2UI_Write_Function write; - LV2UI_Controller controller; - - GtkWidget* box; - GtkWidget* button; - GtkWidget* label; - GtkWidget* window; /* For optional show interface. */ -} SamplerUI; - -static void -on_load_clicked(GtkWidget* widget, - void* handle) -{ - SamplerUI* ui = (SamplerUI*)handle; - - /* Create a dialog to select a sample file. */ - GtkWidget* dialog = gtk_file_chooser_dialog_new( - "Load Sample", - NULL, - GTK_FILE_CHOOSER_ACTION_OPEN, - GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, - GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, - NULL); - - /* Run the dialog, and return if it is cancelled. */ - if (gtk_dialog_run(GTK_DIALOG(dialog)) != GTK_RESPONSE_ACCEPT) { - gtk_widget_destroy(dialog); - return; - } - - /* Get the file path from the dialog. */ - char* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog)); - - /* Got what we need, destroy the dialog. */ - gtk_widget_destroy(dialog); - -#define OBJ_BUF_SIZE 1024 - uint8_t obj_buf[OBJ_BUF_SIZE]; - lv2_atom_forge_set_buffer(&ui->forge, obj_buf, OBJ_BUF_SIZE); - - LV2_Atom* msg = (LV2_Atom*)write_set_file(&ui->forge, &ui->uris, - filename, strlen(filename)); - - ui->write(ui->controller, 0, lv2_atom_total_size(msg), - ui->uris.atom_eventTransfer, - msg); - - g_free(filename); -} - -static LV2UI_Handle -instantiate(const LV2UI_Descriptor* descriptor, - const char* plugin_uri, - const char* bundle_path, - LV2UI_Write_Function write_function, - LV2UI_Controller controller, - LV2UI_Widget* widget, - const LV2_Feature* const* features) -{ - SamplerUI* ui = (SamplerUI*)calloc(1, sizeof(SamplerUI)); - if (!ui) { - return NULL; - } - - ui->write = write_function; - ui->controller = controller; - *widget = NULL; - - // Get host features - const char* missing = lv2_features_query( - features, - LV2_LOG__log, &ui->logger.log, false, - LV2_URID__map, &ui->map, true, - NULL); - lv2_log_logger_set_map(&ui->logger, ui->map); - if (missing) { - lv2_log_error(&ui->logger, "Missing feature <%s>\n", missing); - free(ui); - return NULL; - } - - // Map URIs and initialise forge - map_sampler_uris(ui->map, &ui->uris); - lv2_atom_forge_init(&ui->forge, ui->map); - - // Construct Gtk UI - ui->box = gtk_vbox_new(FALSE, 4); - ui->label = gtk_label_new("?"); - ui->button = gtk_button_new_with_label("Load Sample"); - gtk_box_pack_start(GTK_BOX(ui->box), ui->label, TRUE, TRUE, 4); - gtk_box_pack_start(GTK_BOX(ui->box), ui->button, FALSE, FALSE, 4); - g_signal_connect(ui->button, "clicked", - G_CALLBACK(on_load_clicked), - ui); - - // Request state (filename) from plugin - uint8_t get_buf[512]; - lv2_atom_forge_set_buffer(&ui->forge, get_buf, sizeof(get_buf)); - - LV2_Atom_Forge_Frame frame; - LV2_Atom* msg = (LV2_Atom*)lv2_atom_forge_object( - &ui->forge, &frame, 0, ui->uris.patch_Get); - lv2_atom_forge_pop(&ui->forge, &frame); - - ui->write(ui->controller, 0, lv2_atom_total_size(msg), - ui->uris.atom_eventTransfer, - msg); - - *widget = ui->box; - - return ui; -} - -static void -cleanup(LV2UI_Handle handle) -{ - SamplerUI* ui = (SamplerUI*)handle; - gtk_widget_destroy(ui->button); - free(ui); -} - -static void -port_event(LV2UI_Handle handle, - uint32_t port_index, - uint32_t buffer_size, - uint32_t format, - const void* buffer) -{ - SamplerUI* ui = (SamplerUI*)handle; - if (format == ui->uris.atom_eventTransfer) { - const LV2_Atom* atom = (const LV2_Atom*)buffer; - if (lv2_atom_forge_is_object_type(&ui->forge, atom->type)) { - const LV2_Atom_Object* obj = (const LV2_Atom_Object*)atom; - const char* uri = read_set_file(&ui->uris, obj); - if (uri) { - gtk_label_set_text(GTK_LABEL(ui->label), uri); - } else { - lv2_log_warning(&ui->logger, "Malformed message\n"); - } - } else { - lv2_log_error(&ui->logger, "Unknown message type\n"); - } - } else { - lv2_log_warning(&ui->logger, "Unknown port event format\n"); - } -} - -/* Optional non-embedded UI show interface. */ -static int -ui_show(LV2UI_Handle handle) -{ - SamplerUI* ui = (SamplerUI*)handle; - - int argc = 0; - gtk_init(&argc, NULL); - - ui->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); - gtk_container_add(GTK_CONTAINER(ui->window), ui->box); - gtk_widget_show_all(ui->window); - gtk_window_present(GTK_WINDOW(ui->window)); - - return 0; -} - -/* Optional non-embedded UI hide interface. */ -static int -ui_hide(LV2UI_Handle handle) -{ - return 0; -} - -/* Idle interface for optional non-embedded UI. */ -static int -ui_idle(LV2UI_Handle handle) -{ - SamplerUI* ui = (SamplerUI*)handle; - if (ui->window) { - gtk_main_iteration(); - } - return 0; -} - -static const void* -extension_data(const char* uri) -{ - static const LV2UI_Show_Interface show = { ui_show, ui_hide }; - static const LV2UI_Idle_Interface idle = { ui_idle }; - if (!strcmp(uri, LV2_UI__showInterface)) { - return &show; - } else if (!strcmp(uri, LV2_UI__idleInterface)) { - return &idle; - } - return NULL; -} - -static const LV2UI_Descriptor descriptor = { - SAMPLER_UI_URI, - instantiate, - cleanup, - port_event, - extension_data -}; - -LV2_SYMBOL_EXPORT -const LV2UI_Descriptor* -lv2ui_descriptor(uint32_t index) -{ - switch (index) { - case 0: - return &descriptor; - default: - return NULL; - } -} |