Tue, 06 Feb 2024 19:01:52 +0100
add a very basic upload progress bar
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2017 Olaf Wintermann. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <stdarg.h> #include "../common/context.h" #include "../common/object.h" #include "container.h" #include "tree.h" void* ui_strmodel_getvalue(void *elm, int column) { return column == 0 ? elm : NULL; } UIWIDGET ui_listview_str(UiObject *obj, UiList *list, ui_callback f, void *udata) { return ui_listview(obj, list, ui_strmodel_getvalue, f, udata); } UIWIDGET ui_listview_var(UiObject *obj, UiVar *var, ui_getvaluefunc getvalue, ui_callback f, void *udata) { // create treeview GtkWidget *view = gtk_tree_view_new(); GtkCellRenderer *renderer = gtk_cell_renderer_text_new(); GtkTreeViewColumn *column = gtk_tree_view_column_new_with_attributes(NULL, renderer, "text", 0, NULL); gtk_tree_view_append_column(GTK_TREE_VIEW(view), column); gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(view), FALSE); #ifdef UI_GTK3 #if GTK_MINOR_VERSION >= 8 gtk_tree_view_set_activate_on_single_click(GTK_TREE_VIEW(view), TRUE); #else // TODO: implement for older gtk3 #endif #else // TODO: implement for gtk2 #endif UiModel *model = ui_model(obj->ctx, UI_STRING, "", -1); model->getvalue = getvalue; UiList *list = var->value; UiListModel *listmodel = ui_list_model_new(obj, var, model); gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(listmodel)); UiListView *listview = malloc(sizeof(UiListView)); listview->obj = obj; listview->widget = view; listview->var = var; listview->model = model; g_signal_connect( view, "destroy", G_CALLBACK(ui_listview_destroy), listview); // bind var list->update = ui_listview_update; list->obj = listview; // add callback if(f) { UiTreeEventData *event = ui_malloc(obj->ctx, sizeof(UiTreeEventData)); event->obj = obj; event->userdata = udata; event->activate = f; event->selection = NULL; g_signal_connect( view, "row-activated", G_CALLBACK(ui_listview_activate_event), event); } // add widget to the current container GtkWidget *scroll_area = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(scroll_area), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); // GTK_POLICY_ALWAYS gtk_container_add(GTK_CONTAINER(scroll_area), view); UiContainer *ct = uic_get_current_container(obj); ct->add(ct, scroll_area, TRUE); // ct->current should point to view, not scroll_area, to make it possible // to add a context menu ct->current = view; return scroll_area; } UIWIDGET ui_listview(UiObject *obj, UiList *list, ui_getvaluefunc getvalue, ui_callback f, void *udata) { UiVar *var = malloc(sizeof(UiVar)); var->value = list; var->type = UI_VAR_SPECIAL; return ui_listview_var(obj, var, getvalue, f, udata); } UIWIDGET ui_listview_nv(UiObject *obj, char *varname, ui_getvaluefunc getvalue, ui_callback f, void *udata) { UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_LIST); if(var) { return ui_listview_var(obj, var, getvalue, f, udata); } else { // TODO: error } return NULL; } static void drag_begin(GtkWidget *widget, GdkDragContext *context, gpointer udata) { printf("drag begin\n"); } static void drag_end( GtkWidget *widget, GdkDragContext *context, guint time, gpointer udata) { printf("drag end\n"); } static GtkTargetEntry targetentries[] = { { "STRING", 0, 0 }, { "text/plain", 0, 1 }, { "text/uri-list", 0, 2 }, }; UIWIDGET ui_table_var(UiObject *obj, UiVar *var, UiModel *model, UiListCallbacks cb) { // create treeview GtkWidget *view = gtk_tree_view_new(); int addi = 0; for(int i=0;i<model->columns;i++) { GtkTreeViewColumn *column = NULL; if(model->types[i] == UI_ICON_TEXT) { column = gtk_tree_view_column_new(); gtk_tree_view_column_set_title(column, model->titles[i]); GtkCellRenderer *iconrenderer = gtk_cell_renderer_pixbuf_new(); GtkCellRenderer *textrenderer = gtk_cell_renderer_text_new(); gtk_tree_view_column_pack_end(column, textrenderer, TRUE); gtk_tree_view_column_pack_start(column, iconrenderer, FALSE); gtk_tree_view_column_add_attribute(column, iconrenderer, "pixbuf", i); gtk_tree_view_column_add_attribute(column, textrenderer, "text", i+1); addi++; } else { GtkCellRenderer *renderer = gtk_cell_renderer_text_new(); column = gtk_tree_view_column_new_with_attributes( model->titles[i], renderer, "text", i + addi, NULL); } gtk_tree_view_column_set_resizable(column, TRUE); gtk_tree_view_append_column(GTK_TREE_VIEW(view), column); } //gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(view), FALSE); #ifdef UI_GTK3 //gtk_tree_view_set_activate_on_single_click(GTK_TREE_VIEW(view), TRUE); #else #endif UiList *list = var->value; UiListModel *listmodel = ui_list_model_new(obj, var, model); gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(listmodel)); //g_signal_connect(view, "drag-begin", G_CALLBACK(drag_begin), NULL); //g_signal_connect(view, "drag-end", G_CALLBACK(drag_end), NULL); // add TreeView as observer to the UiList to update the TreeView if the // data changes UiListView *tableview = malloc(sizeof(UiListView)); tableview->obj = obj; tableview->widget = view; tableview->var = var; tableview->model = model; g_signal_connect( view, "destroy", G_CALLBACK(ui_listview_destroy), tableview); // bind var list->update = ui_listview_update; list->obj = tableview; // add callback UiTreeEventData *event = ui_malloc(obj->ctx, sizeof(UiTreeEventData)); event->obj = obj; event->activate = cb.activate; event->selection = cb.selection; event->userdata = cb.userdata; if(cb.activate) { g_signal_connect( view, "row-activated", G_CALLBACK(ui_listview_activate_event), event); } if(cb.selection) { GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(view)); g_signal_connect( selection, "changed", G_CALLBACK(ui_listview_selection_event), event); } // TODO: destroy callback GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW(view)); gtk_tree_selection_set_mode(selection, GTK_SELECTION_MULTIPLE); // add widget to the current container GtkWidget *scroll_area = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(scroll_area), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); // GTK_POLICY_ALWAYS gtk_container_add(GTK_CONTAINER(scroll_area), view); UiContainer *ct = uic_get_current_container(obj); ct->add(ct, scroll_area, TRUE); // ct->current should point to view, not scroll_area, to make it possible // to add a context menu ct->current = view; return scroll_area; } UIWIDGET ui_table(UiObject *obj, UiList *list, UiModel *model, UiListCallbacks cb) { UiVar *var = malloc(sizeof(UiVar)); var->value = list; var->type = UI_VAR_SPECIAL; return ui_table_var(obj, var, model, cb); } UIWIDGET ui_table_nv(UiObject *obj, char *varname, UiModel *model, UiListCallbacks cb) { UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_LIST); if(var) { return ui_table_var(obj, var, model, cb); } else { // TODO: error } return NULL; } GtkWidget* ui_get_tree_widget(UIWIDGET widget) { GList *c = gtk_container_get_children(GTK_CONTAINER(widget)); if(c) { return c->data; } return NULL; } static char** targets2array(char *target0, va_list ap, int *nelm) { int al = 16; char **targets = calloc(16, sizeof(char*)); targets[0] = target0; int i = 1; char *target; while((target = va_arg(ap, char*)) != NULL) { if(i >= al) { al *= 2; targets = realloc(targets, al*sizeof(char*)); } targets[i] = target; i++; } *nelm = i; return targets; } static GtkTargetEntry* targetstr2gtktargets(char **str, int nelm) { GtkTargetEntry *targets = calloc(nelm, sizeof(GtkTargetEntry)); for(int i=0;i<nelm;i++) { targets[i].target = str[i]; } return targets; } void ui_table_dragsource(UIWIDGET tablewidget, int actions, char *target0, ...) { va_list ap; va_start(ap, target0); int nelm; char **targets = targets2array(target0, ap, &nelm); va_end(ap); ui_table_dragsource_a(tablewidget, actions, targets, nelm); free(targets); } void ui_table_dragsource_a(UIWIDGET tablewidget, int actions, char **targets, int nelm) { GtkTargetEntry* t = targetstr2gtktargets(targets, nelm); gtk_tree_view_enable_model_drag_source( GTK_TREE_VIEW(ui_get_tree_widget(tablewidget)), GDK_BUTTON1_MASK, t, nelm, GDK_ACTION_COPY|GDK_ACTION_MOVE|GDK_ACTION_LINK); free(t); } void ui_table_dragdest(UIWIDGET tablewidget, int actions, char *target0, ...) { va_list ap; va_start(ap, target0); int nelm; char **targets = targets2array(target0, ap, &nelm); va_end(ap); ui_table_dragdest_a(tablewidget, actions, targets, nelm); free(targets); } void ui_table_dragdest_a(UIWIDGET tablewidget, int actions, char **targets, int nelm) { GtkTargetEntry* t = targetstr2gtktargets(targets, nelm); gtk_tree_view_enable_model_drag_dest( GTK_TREE_VIEW(ui_get_tree_widget(tablewidget)), t, nelm, GDK_ACTION_COPY|GDK_ACTION_MOVE|GDK_ACTION_LINK); free(t); } void ui_listview_update(UiList *list, int i) { UiListView *view = list->obj; UiListModel *model = ui_list_model_new(view->obj, view->var, view->model); gtk_tree_view_set_model(GTK_TREE_VIEW(view->widget), GTK_TREE_MODEL(model)); g_object_unref(G_OBJECT(model)); // TODO: free old model } void ui_listview_destroy(GtkWidget *w, UiListView *v) { gtk_tree_view_set_model(GTK_TREE_VIEW(w), NULL); ui_destroy_boundvar(v->obj->ctx, v->var); // TODO: destroy model? free(v); } void ui_combobox_destroy(GtkWidget *w, UiListView *v) { gtk_combo_box_set_model(GTK_COMBO_BOX(w), NULL); ui_destroy_boundvar(v->obj->ctx, v->var); // TODO: destroy model? free(v); } void ui_listview_activate_event( GtkTreeView *treeview, GtkTreePath *path, GtkTreeViewColumn *column, UiTreeEventData *event) { UiListSelection *selection = ui_listview_selection( gtk_tree_view_get_selection(treeview), event); UiEvent e; e.obj = event->obj; e.window = event->obj->window; e.document = event->obj->ctx->document; e.eventdata = selection; e.intval = selection->count > 0 ? selection->rows[0] : -1; event->activate(&e, event->userdata); if(selection->count > 0) { free(selection->rows); } free(selection); } void ui_listview_selection_event( GtkTreeSelection *treeselection, UiTreeEventData *event) { UiListSelection *selection = ui_listview_selection(treeselection, event); UiEvent e; e.obj = event->obj; e.window = event->obj->window; e.document = event->obj->ctx->document; e.eventdata = selection; e.intval = selection->count > 0 ? selection->rows[0] : -1; event->selection(&e, event->userdata); if(selection->count > 0) { free(selection->rows); } free(selection); } UiListSelection* ui_listview_selection( GtkTreeSelection *selection, UiTreeEventData *event) { GList *rows = gtk_tree_selection_get_selected_rows(selection, NULL); UiListSelection *ls = malloc(sizeof(UiListSelection)); ls->count = g_list_length(rows); ls->rows = calloc(ls->count, sizeof(int)); GList *r = rows; int i = 0; while(r) { GtkTreePath *path = r->data; ls->rows[i] = ui_tree_path_list_index(path); r = r->next; i++; } return ls; } int ui_tree_path_list_index(GtkTreePath *path) { int depth = gtk_tree_path_get_depth(path); if(depth == 0) { fprintf(stderr, "UiError: treeview selection: depth == 0\n"); return -1; } int *indices = gtk_tree_path_get_indices(path); return indices[depth - 1]; } /* --------------------------- ComboBox --------------------------- */ UIWIDGET ui_combobox_str(UiObject *obj, UiList *list, ui_callback f, void *udata) { return ui_combobox(obj, list, ui_strmodel_getvalue, f, udata); } UIWIDGET ui_combobox(UiObject *obj, UiList *list, ui_getvaluefunc getvalue, ui_callback f, void *udata) { UiVar *var = malloc(sizeof(UiVar)); var->value = list; var->type = UI_VAR_SPECIAL; return ui_combobox_var(obj, var, getvalue, f, udata); } UIWIDGET ui_combobox_nv(UiObject *obj, char *varname, ui_getvaluefunc getvalue, ui_callback f, void *udata) { UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_LIST); if(var) { return ui_combobox_var(obj, var, getvalue, f, udata); } else { // TODO: error } return NULL; } UIWIDGET ui_combobox_var(UiObject *obj, UiVar *var, ui_getvaluefunc getvalue, ui_callback f, void *udata) { UiModel *model = ui_model(obj->ctx, UI_STRING, "", -1); model->getvalue = getvalue; UiListModel *listmodel = ui_list_model_new(obj, var, model); GtkWidget *combobox = ui_create_combobox(obj, listmodel, f, udata); UiContainer *ct = uic_get_current_container(obj); ct->add(ct, combobox, FALSE); return combobox; } GtkWidget* ui_create_combobox(UiObject *obj, UiListModel *model, ui_callback f, void *udata) { GtkWidget *combobox = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model)); UiListView *uicbox = malloc(sizeof(UiListView)); uicbox->obj = obj; uicbox->widget = combobox; uicbox->var = model->var; uicbox->model = model->model; g_signal_connect( combobox, "destroy", G_CALLBACK(ui_combobox_destroy), uicbox); // bind var UiList *list = model->var->value; list->update = ui_combobox_modelupdate; list->obj = uicbox; GtkCellRenderer *renderer = gtk_cell_renderer_text_new(); gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combobox), renderer, TRUE); gtk_cell_layout_set_attributes( GTK_CELL_LAYOUT(combobox), renderer, "text", 0, NULL); gtk_combo_box_set_active(GTK_COMBO_BOX(combobox), 0); // add callback if(f) { UiEventData *event = ui_malloc(obj->ctx, sizeof(UiEventData)); event->obj = obj; event->userdata = udata; event->callback = f; event->value = 0; g_signal_connect( combobox, "changed", G_CALLBACK(ui_combobox_change_event), event); } return combobox; } void ui_combobox_change_event(GtkComboBox *widget, UiEventData *e) { UiEvent event; event.obj = e->obj; event.window = event.obj->window; event.document = event.obj->ctx->document; event.eventdata = NULL; event.intval = gtk_combo_box_get_active(widget); e->callback(&event, e->userdata); } void ui_combobox_modelupdate(UiList *list, int i) { UiListView *view = list->obj; UiListModel *model = ui_list_model_new(view->obj, view->var, view->model); gtk_combo_box_set_model(GTK_COMBO_BOX(view->widget), GTK_TREE_MODEL(model)); }