Tue, 29 Oct 2024 11:51:25 +0100
fix crash when closing the preferences window (GTK3)
/* * 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 "text.h" #include "container.h" #include <cx/printf.h> #include <gdk/gdkkeysyms.h> #include "../common/types.h" static void selection_handler( GtkTextBuffer *buf, GtkTextIter *location, GtkTextMark *mark, UiTextArea *textview) { const char *mname = gtk_text_mark_get_name(mark); if(mname) { GtkTextIter begin; GtkTextIter end; int sel = gtk_text_buffer_get_selection_bounds (buf, &begin, &end); if(sel != textview->last_selection_state) { if(sel) { ui_set_group(textview->ctx, UI_GROUP_SELECTION); } else { ui_unset_group(textview->ctx, UI_GROUP_SELECTION); } } textview->last_selection_state = sel; } } UIWIDGET ui_textarea_create(UiObject *obj, UiTextAreaArgs args) { UiObject* current = uic_current_obj(obj); UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_TEXT); GtkWidget *text_area = gtk_text_view_new(); ui_set_name_and_style(text_area, args.name, args.style_class); ui_set_widget_groups(obj->ctx, text_area, args.groups); gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text_area), GTK_WRAP_WORD_CHAR); g_signal_connect( text_area, "realize", G_CALLBACK(ui_textarea_realize_event), NULL); UiTextArea *uitext = malloc(sizeof(UiTextArea)); uitext->ctx = obj->ctx; uitext->var = var; uitext->last_selection_state = 0; g_signal_connect( text_area, "destroy", G_CALLBACK(ui_textarea_destroy), uitext); GtkWidget *scroll_area = SCROLLEDWINDOW_NEW(); gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(scroll_area), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); // GTK_POLICY_ALWAYS SCROLLEDWINDOW_SET_CHILD(scroll_area, text_area); // font and padding //PangoFontDescription *font; //font = pango_font_description_from_string("Monospace"); //gtk_widget_modify_font(text_area, font); // TODO //pango_font_description_free(font); gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text_area), 2); gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text_area), 2); // add UI_APPLY_LAYOUT1(current, args); current->container->add(current->container, scroll_area, TRUE); // bind value UiText *value = var->value; if(value) { GtkTextBuffer *buf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text_area)); if(value->value.ptr) { gtk_text_buffer_set_text(buf, value->value.ptr, -1); value->value.free(value->value.ptr); } value->get = ui_textarea_get; value->set = ui_textarea_set; value->getsubstr = ui_textarea_getsubstr; value->insert = ui_textarea_insert; value->setposition = ui_textarea_setposition; value->position = ui_textarea_position; value->selection = ui_textarea_selection; value->length = ui_textarea_length; value->remove = ui_textarea_remove; value->value.ptr = NULL; value->value.free = NULL; value->obj = buf; if(!value->undomgr) { value->undomgr = ui_create_undomgr(); } g_signal_connect( buf, "changed", G_CALLBACK(ui_textbuf_changed), uitext); // register undo manager g_signal_connect( buf, "insert-text", G_CALLBACK(ui_textbuf_insert), var); g_signal_connect( buf, "delete-range", G_CALLBACK(ui_textbuf_delete), var); g_signal_connect( buf, "mark-set", G_CALLBACK(selection_handler), uitext); } return scroll_area; } void ui_textarea_destroy(GtkWidget *object, UiTextArea *textarea) { ui_destroy_boundvar(textarea->ctx, textarea->var); free(textarea); } UIWIDGET ui_textarea_gettextwidget(UIWIDGET textarea) { return SCROLLEDWINDOW_GET_CHILD(textarea); } char* ui_textarea_get(UiText *text) { if(text->value.ptr) { text->value.free(text->value.ptr); } GtkTextBuffer *buf = text->obj; GtkTextIter start; GtkTextIter end; gtk_text_buffer_get_bounds(buf, &start, &end); char *str = gtk_text_buffer_get_text(buf, &start, &end, FALSE); text->value.ptr = g_strdup(str); text->value.free = (ui_freefunc)g_free; return str; } void ui_textarea_set(UiText *text, const char *str) { gtk_text_buffer_set_text((GtkTextBuffer*)text->obj, str, -1); if(text->value.ptr) { text->value.free(text->value.ptr); } text->value.ptr = NULL; text->value.free = NULL; } char* ui_textarea_getsubstr(UiText *text, int begin, int end) { if(text->value.ptr) { text->value.free(text->value.ptr); } GtkTextBuffer *buf = text->obj; GtkTextIter ib; GtkTextIter ie; gtk_text_buffer_get_iter_at_offset(text->obj, &ib, begin); gtk_text_buffer_get_iter_at_offset(text->obj, &ie, end); char *str = gtk_text_buffer_get_text(buf, &ib, &ie, FALSE); text->value.ptr = g_strdup(str); text->value.free = (ui_freefunc)g_free; return str; } void ui_textarea_insert(UiText *text, int pos, char *str) { GtkTextIter offset; gtk_text_buffer_get_iter_at_offset(text->obj, &offset, pos); gtk_text_buffer_insert(text->obj, &offset, str, -1); if(text->value.ptr) { text->value.free(text->value.ptr); } text->value.ptr = NULL; text->value.free = NULL; } void ui_textarea_setposition(UiText *text, int pos) { GtkTextIter iter; gtk_text_buffer_get_iter_at_offset(text->obj, &iter, pos); gtk_text_buffer_place_cursor(text->obj, &iter); } int ui_textarea_position(UiText *text) { GtkTextIter begin; GtkTextIter end; gtk_text_buffer_get_selection_bounds(text->obj, &begin, &end); text->pos = gtk_text_iter_get_offset(&begin); return text->pos; } void ui_textarea_selection(UiText *text, int *begin, int *end) { GtkTextIter b; GtkTextIter e; gtk_text_buffer_get_selection_bounds(text->obj, &b, &e); *begin = gtk_text_iter_get_offset(&b); *end = gtk_text_iter_get_offset(&e); } int ui_textarea_length(UiText *text) { GtkTextBuffer *buf = text->obj; GtkTextIter start; GtkTextIter end; gtk_text_buffer_get_bounds(buf, &start, &end); return gtk_text_iter_get_offset(&end); } void ui_textarea_remove(UiText *text, int begin, int end) { GtkTextBuffer *buf = text->obj; GtkTextIter ib; GtkTextIter ie; gtk_text_buffer_get_iter_at_offset(buf, &ib, begin); gtk_text_buffer_get_iter_at_offset(buf, &ie, end); gtk_text_buffer_delete(buf, &ib, &ie); } void ui_textarea_realize_event(GtkWidget *widget, gpointer data) { gtk_widget_grab_focus(widget); } void ui_textbuf_changed(GtkTextBuffer *textbuffer, UiTextArea *textarea) { UiText *value = textarea->var->value; if(value->observers) { UiEvent e; e.obj = textarea->ctx->obj; e.window = e.obj->window; e.document = textarea->ctx->document; e.eventdata = value; e.intval = 0; ui_notify_evt(value->observers, &e); } } // undo manager functions void ui_textbuf_insert( GtkTextBuffer *textbuffer, GtkTextIter *location, char *text, int length, void *data) { UiVar *var = data; UiText *value = var->value; if(!value->undomgr) { value->undomgr = ui_create_undomgr(); } UiUndoMgr *mgr = value->undomgr; if(!mgr->event) { return; } if(mgr->cur) { UiTextBufOp *elm = mgr->cur->next; if(elm) { mgr->cur->next = NULL; mgr->end = mgr->cur; while(elm) { elm->prev = NULL; UiTextBufOp *next = elm->next; ui_free_textbuf_op(elm); elm = next; } } UiTextBufOp *last_op = mgr->cur; if( last_op->type == UI_TEXTBUF_INSERT && ui_check_insertstr(last_op->text, last_op->len, text, length) == 0) { // append text to last op int ln = last_op->len; char *newtext = malloc(ln + length + 1); memcpy(newtext, last_op->text, ln); memcpy(newtext+ln, text, length); newtext[ln+length] = '\0'; last_op->text = newtext; last_op->len = ln + length; last_op->end += length; return; } } char *dpstr = malloc(length + 1); memcpy(dpstr, text, length); dpstr[length] = 0; UiTextBufOp *op = malloc(sizeof(UiTextBufOp)); op->prev = NULL; op->next = NULL; op->type = UI_TEXTBUF_INSERT; op->start = gtk_text_iter_get_offset(location); op->end = op->start+length; op->len = length; op->text = dpstr; cx_linked_list_add( (void**)&mgr->begin, (void**)&mgr->end, offsetof(UiTextBufOp, prev), offsetof(UiTextBufOp, next), op); mgr->cur = op; } void ui_textbuf_delete( GtkTextBuffer *textbuffer, GtkTextIter *start, GtkTextIter *end, void *data) { UiVar *var = data; UiText *value = var->value; if(!value->undomgr) { value->undomgr = ui_create_undomgr(); } UiUndoMgr *mgr = value->undomgr; if(!mgr->event) { return; } if(mgr->cur) { UiTextBufOp *elm = mgr->cur->next; if(elm) { mgr->cur->next = NULL; mgr->end = mgr->cur; while(elm) { elm->prev = NULL; UiTextBufOp *next = elm->next; ui_free_textbuf_op(elm); elm = next; } } } char *text = gtk_text_buffer_get_text(value->obj, start, end, FALSE); UiTextBufOp *op = malloc(sizeof(UiTextBufOp)); op->prev = NULL; op->next = NULL; op->type = UI_TEXTBUF_DELETE; op->start = gtk_text_iter_get_offset(start); op->end = gtk_text_iter_get_offset(end); op->len = op->end - op->start; char *dpstr = malloc(op->len + 1); memcpy(dpstr, text, op->len); dpstr[op->len] = 0; op->text = dpstr; cx_linked_list_add( (void**)&mgr->begin, (void**)&mgr->end, offsetof(UiTextBufOp, prev), offsetof(UiTextBufOp, next), op); mgr->cur = op; } UiUndoMgr* ui_create_undomgr() { UiUndoMgr *mgr = malloc(sizeof(UiUndoMgr)); mgr->begin = NULL; mgr->end = NULL; mgr->cur = NULL; mgr->length = 0; mgr->event = 1; return mgr; } void ui_destroy_undomgr(UiUndoMgr *mgr) { UiTextBufOp *op = mgr->begin; while(op) { UiTextBufOp *nextOp = op->next; if(op->text) { free(op->text); } free(op); op = nextOp; } free(mgr); } void ui_free_textbuf_op(UiTextBufOp *op) { if(op->text) { free(op->text); } free(op); } int ui_check_insertstr(char *oldstr, int oldlen, char *newstr, int newlen) { // return 1 if oldstr + newstr are one word int has_space = 0; for(int i=0;i<oldlen;i++) { if(oldstr[i] < 33) { has_space = 1; break; } } for(int i=0;i<newlen;i++) { if(has_space && newstr[i] > 32) { return 1; } } return 0; } void ui_text_undo(UiText *value) { UiUndoMgr *mgr = value->undomgr; if(mgr->cur) { UiTextBufOp *op = mgr->cur; mgr->event = 0; switch(op->type) { case UI_TEXTBUF_INSERT: { GtkTextIter begin; GtkTextIter end; gtk_text_buffer_get_iter_at_offset(value->obj, &begin, op->start); gtk_text_buffer_get_iter_at_offset(value->obj, &end, op->end); gtk_text_buffer_delete(value->obj, &begin, &end); break; } case UI_TEXTBUF_DELETE: { GtkTextIter begin; GtkTextIter end; gtk_text_buffer_get_iter_at_offset(value->obj, &begin, op->start); gtk_text_buffer_get_iter_at_offset(value->obj, &end, op->end); gtk_text_buffer_insert(value->obj, &begin, op->text, op->len); break; } } mgr->event = 1; mgr->cur = mgr->cur->prev; } } void ui_text_redo(UiText *value) { UiUndoMgr *mgr = value->undomgr; UiTextBufOp *elm = NULL; if(mgr->cur) { if(mgr->cur->next) { elm = mgr->cur->next; } } else if(mgr->begin) { elm = mgr->begin; } if(elm) { UiTextBufOp *op = elm; mgr->event = 0; switch(op->type) { case UI_TEXTBUF_INSERT: { GtkTextIter begin; GtkTextIter end; gtk_text_buffer_get_iter_at_offset(value->obj, &begin, op->start); gtk_text_buffer_get_iter_at_offset(value->obj, &end, op->end); gtk_text_buffer_insert(value->obj, &begin, op->text, op->len); break; } case UI_TEXTBUF_DELETE: { GtkTextIter begin; GtkTextIter end; gtk_text_buffer_get_iter_at_offset(value->obj, &begin, op->start); gtk_text_buffer_get_iter_at_offset(value->obj, &end, op->end); gtk_text_buffer_delete(value->obj, &begin, &end); break; } } mgr->event = 1; mgr->cur = elm; } } static UIWIDGET create_textfield(UiObject *obj, UiBool frameless, UiBool password, UiTextFieldArgs args) { GtkWidget *textfield = gtk_entry_new(); ui_set_name_and_style(textfield, args.name, args.style_class); ui_set_widget_groups(obj->ctx, textfield, args.groups); UiObject* current = uic_current_obj(obj); UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_STRING); UiTextField *uitext = malloc(sizeof(UiTextField)); uitext->ctx = obj->ctx; uitext->var = var; g_signal_connect( textfield, "destroy", G_CALLBACK(ui_textfield_destroy), uitext); if(args.width > 0) { // TODO: gtk4 #if GTK_MAJOR_VERSION <= 3 gtk_entry_set_width_chars(GTK_ENTRY(textfield), args.width); #endif } if(frameless) { // TODO: gtk2legacy workaroud gtk_entry_set_has_frame(GTK_ENTRY(textfield), FALSE); } if(password) { gtk_entry_set_visibility(GTK_ENTRY(textfield), FALSE); } UI_APPLY_LAYOUT1(current, args); current->container->add(current->container, textfield, FALSE); if(var) { UiString *value = var->value; if(value->value.ptr) { ENTRY_SET_TEXT(textfield, value->value.ptr); value->value.free(value->value.ptr); value->value.ptr = NULL; value->value.free = NULL; } value->get = ui_textfield_get; value->set = ui_textfield_set; value->value.ptr = NULL; value->value.free = NULL; value->obj = GTK_ENTRY(textfield); g_signal_connect( textfield, "changed", G_CALLBACK(ui_textfield_changed), uitext); } return textfield; } UIWIDGET ui_textfield_create(UiObject *obj, UiTextFieldArgs args) { return create_textfield(obj, FALSE, FALSE, args); } UIWIDGET ui_frameless_textfield_create(UiObject* obj, UiTextFieldArgs args) { return create_textfield(obj, TRUE, FALSE, args); } UIWIDGET ui_passwordfield_create(UiObject* obj, UiTextFieldArgs args) { return create_textfield(obj, FALSE, TRUE, args); } void ui_textfield_destroy(GtkWidget *object, UiTextField *textfield) { free(textfield); } void ui_textfield_changed(GtkEditable *editable, UiTextField *textfield) { // changed event is only registered, if the textfield->var != NULL UiString *value = textfield->var->value; if(value->observers) { UiEvent e; e.obj = textfield->ctx->obj; e.window = e.obj->window; e.document = textfield->ctx->document; e.eventdata = value; e.intval = 0; ui_notify_evt(value->observers, &e); } } char* ui_textfield_get(UiString *str) { if(str->value.ptr) { str->value.free(str->value.ptr); } str->value.ptr = g_strdup(ENTRY_GET_TEXT(str->obj)); str->value.free = (ui_freefunc)g_free; return str->value.ptr; } void ui_textfield_set(UiString *str, const char *value) { ENTRY_SET_TEXT(str->obj, value); if(str->value.ptr) { str->value.free(str->value.ptr); str->value.ptr = NULL; str->value.free = NULL; } } // ----------------------- path textfield ----------------------- // TODO: move to common static UiPathElm* default_pathelm_func(const char* full_path, size_t len, size_t* ret_nelm, void* data) { cxstring *pathelms; size_t nelm = cx_strsplit_a(cxDefaultAllocator, cx_strn(full_path, len), CX_STR("/"), 4096, &pathelms); if (nelm == 0) { *ret_nelm = 0; return NULL; } UiPathElm* elms = (UiPathElm*)calloc(nelm, sizeof(UiPathElm)); size_t n = nelm; int j = 0; for (int i = 0; i < nelm; i++) { cxstring c = pathelms[i]; if (c.length == 0) { if (i == 0) { c.length = 1; } else { n--; continue; } } cxmutstr m = cx_strdup(c); elms[j].name = m.ptr; elms[j].name_len = m.length; size_t elm_path_len = c.ptr + c.length - full_path; cxmutstr elm_path = cx_strdup(cx_strn(full_path, elm_path_len)); elms[j].path = elm_path.ptr; elms[j].path_len = elm_path.length; j++; } *ret_nelm = n; return elms; } static void ui_pathelm_destroy(UiPathElm *elms, size_t nelm) { for(int i=0;i<nelm;i++) { free(elms[i].name); free(elms[i].path); } free(elms); } static void ui_path_textfield_destroy(GtkWidget *object, UiPathTextField *pathtf) { g_object_unref(pathtf->entry); free(pathtf); } void ui_path_button_clicked(GtkWidget *widget, UiEventDataExt *event) { UiPathTextField *pathtf = event->customdata1; for(int i=0;i<event->value1;i++) { if(i <= event->value0) { WIDGET_REMOVE_CSS_CLASS(pathtf->current_path_buttons[i], "pathbar-button-inactive"); } else { WIDGET_ADD_CSS_CLASS(pathtf->current_path_buttons[i], "pathbar-button-inactive"); } } UiPathElm *elm = event->customdata0; cxmutstr path = cx_strdup(cx_strn(elm->path, elm->path_len)); UiEvent evt; evt.obj = event->obj; evt.window = evt.obj->window; evt.document = evt.obj->ctx->document; evt.eventdata = elm->path; evt.intval = event->value0; event->callback(&evt, event->userdata); free(path.ptr); } int ui_pathtextfield_update(UiPathTextField* pathtf, const char *full_path) { size_t full_path_len = strlen(full_path); if(full_path_len == 0) { return 1; } size_t nelm = 0; UiPathElm* path_elm = pathtf->getpathelm(full_path, full_path_len, &nelm, pathtf->getpathelmdata); if (!path_elm) { return 1; } free(pathtf->current_path); pathtf->current_path = strdup(full_path); ui_pathelm_destroy(pathtf->current_pathelms, pathtf->current_nelm); free(pathtf->current_path_buttons); pathtf->current_path_buttons = calloc(nelm, sizeof(GtkWidget*)); pathtf->current_pathelms = path_elm; pathtf->current_nelm = nelm; return ui_pathtextfield_update_widget(pathtf); } static GtkWidget* ui_path_elm_button(UiPathTextField *pathtf, UiPathElm *elm, int i) { cxmutstr name = cx_strdup(cx_strn(elm->name, elm->name_len)); GtkWidget *button = gtk_button_new_with_label(name.ptr); pathtf->current_path_buttons[i] = button; free(name.ptr); if(pathtf->onactivate) { UiEventDataExt *eventdata = malloc(sizeof(UiEventDataExt)); memset(eventdata, 0, sizeof(UiEventDataExt)); eventdata->callback = pathtf->onactivate; eventdata->userdata = pathtf->onactivatedata; eventdata->obj = pathtf->obj; eventdata->customdata0 = elm; eventdata->customdata1 = pathtf; eventdata->value0 = i; eventdata->value1 = pathtf->current_nelm; g_signal_connect( button, "clicked", G_CALLBACK(ui_path_button_clicked), eventdata); g_signal_connect( button, "destroy", G_CALLBACK(ui_destroy_userdata), eventdata); } return button; } static void ui_path_textfield_activate(GtkWidget *entry, UiPathTextField *pathtf) { const gchar *text = ENTRY_GET_TEXT(pathtf->entry); if(strlen(text) == 0) { return; } UiObject *obj = pathtf->obj; if(ui_pathtextfield_update(pathtf, text)) { return; } if(pathtf->onactivate) { UiEvent evt; evt.obj = obj; evt.window = obj->window; evt.document = obj->ctx->document; evt.eventdata = (char*)text; evt.intval = -1; pathtf->onactivate(&evt, pathtf->onactivatedata); } } #if GTK_MAJOR_VERSION >= 4 static void pathbar_show_hbox(GtkWidget *widget, UiPathTextField *pathtf) { if(pathtf->current_path) { gtk_stack_set_visible_child(GTK_STACK(pathtf->stack), pathtf->hbox); ENTRY_SET_TEXT(pathtf->entry, pathtf->current_path); } } static gboolean ui_path_textfield_key_controller( GtkEventControllerKey* self, guint keyval, guint keycode, GdkModifierType state, UiPathTextField *pathtf) { if(keyval == GDK_KEY_Escape) { pathbar_show_hbox(NULL, pathtf); } return FALSE; } UIWIDGET ui_path_textfield_create(UiObject* obj, UiPathTextFieldArgs args) { UiObject* current = uic_current_obj(obj); UiPathTextField *pathtf = malloc(sizeof(UiPathTextField)); memset(pathtf, 0, sizeof(UiPathTextField)); pathtf->obj = obj; pathtf->getpathelm = args.getpathelm; pathtf->getpathelmdata = args.getpathelmdata; pathtf->onactivate = args.onactivate; pathtf->onactivatedata = args.onactivatedata; pathtf->ondragcomplete = args.ondragcomplete; pathtf->ondragcompletedata = args.ondragcompletedata; pathtf->ondragstart = args.ondragstart; pathtf->ondragstartdata = args.ondragstartdata; pathtf->ondrop = args.ondrop; pathtf->ondropdata = args.ondropsdata; if(!pathtf->getpathelm) { pathtf->getpathelm = default_pathelm_func; pathtf->getpathelmdata = NULL; } pathtf->stack = gtk_stack_new(); gtk_widget_set_name(pathtf->stack, "path-textfield-box"); UI_APPLY_LAYOUT1(current, args); current->container->add(current->container, pathtf->stack, FALSE); pathtf->entry_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0); pathtf->entry = gtk_entry_new(); gtk_box_append(GTK_BOX(pathtf->entry_box), pathtf->entry); gtk_widget_set_hexpand(pathtf->entry, TRUE); GtkWidget *cancel_button = gtk_button_new_from_icon_name("window-close-symbolic"); gtk_widget_add_css_class(cancel_button, "flat"); gtk_widget_add_css_class(cancel_button, "pathbar-extra-button"); gtk_box_append(GTK_BOX(pathtf->entry_box), cancel_button); g_signal_connect( cancel_button, "clicked", G_CALLBACK(pathbar_show_hbox), pathtf); gtk_stack_add_child(GTK_STACK(pathtf->stack), pathtf->entry_box); g_object_ref(pathtf->entry); // for compatibility with older pathbar version g_signal_connect( pathtf->entry, "activate", G_CALLBACK(ui_path_textfield_activate), pathtf); GtkEventController *entry_cancel = gtk_event_controller_key_new(); gtk_widget_add_controller(pathtf->entry, entry_cancel); g_signal_connect(entry_cancel, "key-pressed", G_CALLBACK(ui_path_textfield_key_controller), pathtf); gtk_stack_set_visible_child(GTK_STACK(pathtf->stack), pathtf->entry_box); UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_STRING); if (var) { UiString* value = (UiString*)var->value; value->obj = pathtf; value->get = ui_path_textfield_get; value->set = ui_path_textfield_set; if(value->value.ptr) { char *str = strdup(value->value.ptr); ui_string_set(value, str); free(str); } } return pathtf->stack; } static void pathbar_pressed( GtkGestureClick* self, gint n_press, gdouble x, gdouble y, UiPathTextField *pathtf) { gtk_stack_set_visible_child(GTK_STACK(pathtf->stack), pathtf->entry_box); gtk_widget_grab_focus(pathtf->entry); } int ui_pathtextfield_update_widget(UiPathTextField* pathtf) { // recreate button hbox if(pathtf->hbox) { gtk_stack_remove(GTK_STACK(pathtf->stack), pathtf->hbox); } pathtf->hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0); gtk_box_set_homogeneous(GTK_BOX(pathtf->hbox), FALSE); gtk_stack_add_child(GTK_STACK(pathtf->stack), pathtf->hbox); gtk_widget_set_name(pathtf->hbox, "pathbar"); // add buttons for path elements for (int i=0;i<pathtf->current_nelm;i++) { UiPathElm *elm = &pathtf->current_pathelms[i]; GtkWidget *button = ui_path_elm_button(pathtf, elm, i); gtk_widget_add_css_class(button, "flat"); gtk_box_append(GTK_BOX(pathtf->hbox), button); if(i+1 < pathtf->current_nelm && cx_strcmp(cx_strn(elm->name, elm->name_len), CX_STR("/"))) { GtkWidget *path_separator = gtk_label_new("/"); gtk_widget_add_css_class(path_separator, "pathbar-button-inactive"); gtk_box_append(GTK_BOX(pathtf->hbox), path_separator); } } gtk_stack_set_visible_child(GTK_STACK(pathtf->stack), pathtf->hbox); // create a widget for receiving button press events GtkWidget *event_area = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0); GtkGesture *handler = gtk_gesture_click_new(); gtk_widget_add_controller(event_area, GTK_EVENT_CONTROLLER(handler)); g_signal_connect( handler, "pressed", G_CALLBACK(pathbar_pressed), pathtf); gtk_widget_set_hexpand(event_area, TRUE); gtk_widget_set_vexpand(event_area, TRUE); gtk_box_append(GTK_BOX(pathtf->hbox), event_area); return 0; } #else static gboolean path_textfield_btn_pressed(GtkWidget *widget, GdkEventButton *event, UiPathTextField *pathtf) { gtk_box_pack_start(GTK_BOX(pathtf->hbox), pathtf->entry, TRUE, TRUE, 0); gtk_container_remove(GTK_CONTAINER(pathtf->hbox), pathtf->buttonbox); pathtf->buttonbox = NULL; gtk_widget_show(pathtf->entry); gtk_widget_grab_focus(pathtf->entry); return TRUE; } static gboolean ui_path_textfield_key_press(GtkWidget *self, GdkEventKey *event, UiPathTextField *pathtf) { if (event->keyval == GDK_KEY_Escape) { // reset GtkEntry value gtk_entry_set_text(GTK_ENTRY(self), pathtf->current_path); const gchar *text = gtk_entry_get_text(GTK_ENTRY(self)); ui_pathtextfield_update(pathtf, text); return TRUE; } return FALSE; } static GtkWidget* create_path_button_box() { GtkWidget *bb = gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL); gtk_button_box_set_layout(GTK_BUTTON_BOX(bb), GTK_BUTTONBOX_EXPAND); // linked style gtk_box_set_homogeneous(GTK_BOX(bb), FALSE); gtk_box_set_spacing(GTK_BOX(bb), 0); return bb; } UIWIDGET ui_path_textfield_create(UiObject* obj, UiPathTextFieldArgs args) { UiObject* current = uic_current_obj(obj); UiPathTextField *pathtf = malloc(sizeof(UiPathTextField)); memset(pathtf, 0, sizeof(UiPathTextField)); pathtf->obj = obj; pathtf->getpathelm = args.getpathelm; pathtf->getpathelmdata = args.getpathelmdata; pathtf->onactivate = args.onactivate; pathtf->onactivatedata = args.onactivatedata; pathtf->ondragcomplete = args.ondragcomplete; pathtf->ondragcompletedata = args.ondragcompletedata; pathtf->ondragstart = args.ondragstart; pathtf->ondragstartdata = args.ondragstartdata; pathtf->ondrop = args.ondrop; pathtf->ondropdata = args.ondropsdata; if(!pathtf->getpathelm) { pathtf->getpathelm = default_pathelm_func; pathtf->getpathelmdata = NULL; } // top level container for the path textfield is a GtkEventBox // the event box is needed to handle background button presses GtkWidget *eventbox = gtk_event_box_new(); g_signal_connect( eventbox, "button-press-event", G_CALLBACK(path_textfield_btn_pressed), pathtf); g_signal_connect( eventbox, "destroy", G_CALLBACK(ui_path_textfield_destroy), pathtf); UI_APPLY_LAYOUT1(current, args); current->container->add(current->container, eventbox, FALSE); // hbox as parent for the GtkEntry and GtkButtonBox GtkWidget *hbox = ui_gtk_hbox_new(0); pathtf->hbox = hbox; gtk_container_add(GTK_CONTAINER(eventbox), hbox); gtk_widget_set_name(hbox, "path-textfield-box"); // create GtkEntry, that is also visible by default (with input yet) pathtf->entry = gtk_entry_new(); g_object_ref(G_OBJECT(pathtf->entry)); gtk_box_pack_start(GTK_BOX(hbox), pathtf->entry, TRUE, TRUE, 0); g_signal_connect( pathtf->entry, "activate", G_CALLBACK(ui_path_textfield_activate), pathtf); g_signal_connect( pathtf->entry, "key-press-event", G_CALLBACK(ui_path_textfield_key_press), pathtf); UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_STRING); if (var) { UiString* value = (UiString*)var->value; value->obj = pathtf; value->get = ui_path_textfield_get; value->set = ui_path_textfield_set; if(value->value.ptr) { char *str = strdup(value->value.ptr); ui_string_set(value, str); free(str); } } return hbox; } int ui_pathtextfield_update_widget(UiPathTextField* pathtf) { GtkWidget *buttonbox = create_path_button_box(); // switch from entry to buttonbox or remove current buttonbox if(pathtf->buttonbox) { gtk_container_remove(GTK_CONTAINER(pathtf->hbox), pathtf->buttonbox); } else { gtk_container_remove(GTK_CONTAINER(pathtf->hbox), pathtf->entry); } gtk_box_pack_start(GTK_BOX(pathtf->hbox), buttonbox, FALSE, FALSE, 0); pathtf->buttonbox = buttonbox; for (int i=0;i<pathtf->current_nelm;i++) { UiPathElm *elm = &pathtf->current_pathelms[i]; GtkWidget *button = ui_path_elm_button(pathtf, elm, i); gtk_box_pack_start(GTK_BOX(buttonbox), button, FALSE, FALSE, 0); } gtk_widget_show_all(buttonbox); return 0; } #endif char* ui_path_textfield_get(UiString *str) { if(str->value.ptr) { str->value.free(str->value.ptr); } UiPathTextField *tf = str->obj; str->value.ptr = g_strdup(ENTRY_GET_TEXT(tf->entry)); str->value.free = (ui_freefunc)g_free; return str->value.ptr; } void ui_path_textfield_set(UiString *str, const char *value) { UiPathTextField *tf = str->obj; ENTRY_SET_TEXT(tf->entry, value); ui_pathtextfield_update(tf, value); if(str->value.ptr) { str->value.free(str->value.ptr); str->value.ptr = NULL; str->value.free = NULL; } }