Hello WebView!
WebHello is a desktop application that integrates Web views along with other interface controls. The source code is in the /demo/webhello folder of the SDK distribution.
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/* WebView Hello World */ #include <nappgui.h> typedef struct _app_t App; struct _app_t { Window *window; Panel *tabpanel; uint32_t tabid; WebView *web1; WebView *web2; }; /*---------------------------------------------------------------------------*/ static void i_web_navigate(WebView *view, const uint32_t index) { switch (index) { case 0: webview_navigate(view, "https://nappgui.com"); break; case 1: webview_navigate(view, "https://google.com"); break; case 2: webview_navigate(view, "https://youtube.com"); break; case 3: webview_navigate(view, "https://facebook.com"); break; case 4: webview_navigate(view, "https://instagram.com"); break; case 5: webview_navigate(view, "https://twitter.com"); break; cassert_default(); } } /*---------------------------------------------------------------------------*/ static void i_OnTab(App *app, Event *e) { const EvButton *p = event_params(e, EvButton); panel_visible_layout(app->tabpanel, p->index); panel_update(app->tabpanel); app->tabid = p->index; } /*---------------------------------------------------------------------------*/ static Layout *i_tabs_layout(App *app) { Layout *layout = layout_create(1, 2); Button *button1 = button_radio(); Button *button2 = button_radio(); cassert_no_null(app); button_text(button1, "Web Tab 1"); button_text(button2, "Web Tab 2"); button_OnClick(button1, listener(app, i_OnTab, App)); layout_button(layout, button1, 0, 0); layout_button(layout, button2, 0, 1); layout_margin4(layout, 0, 0, 0, 5); layout_vmargin(layout, 0, 5); button_state(app->tabid == 0 ? button1 : button2, ekGUI_ON); return layout; } /*---------------------------------------------------------------------------*/ static void i_OnBack(App *app, Event *e) { webview_back(app->tabid == 0 ? app->web1 : app->web2); unref(e); } /*---------------------------------------------------------------------------*/ static void i_OnForward(App *app, Event *e) { webview_forward(app->tabid == 0 ? app->web1 : app->web2); unref(e); } /*---------------------------------------------------------------------------*/ static Layout *i_nav_layout(App *app) { Layout *layout = layout_create(2, 1); Button *button1 = button_push(); Button *button2 = button_push(); button_text(button1, "< Back"); button_text(button2, "> Forward"); button_OnClick(button1, listener(app, i_OnBack, App)); button_OnClick(button2, listener(app, i_OnForward, App)); layout_button(layout, button1, 0, 0); layout_button(layout, button2, 1, 0); layout_hmargin(layout, 0, 5); unref(app); return layout; } /*---------------------------------------------------------------------------*/ static void i_OnSelect(App *app, Event *e) { const EvButton *p = event_params(e, EvButton); i_web_navigate(app->tabid == 0 ? app->web1 : app->web2, p->index); } /*---------------------------------------------------------------------------*/ static Layout *i_control_layout(App *app) { Layout *layout1 = layout_create(1, 5); Layout *layout2 = i_tabs_layout(app); Layout *layout3 = i_nav_layout(app); Label *label1 = label_create(); Label *label2 = label_create(); ListBox *list = listbox_create(); label_text(label1, "Tabs"); label_text(label2, "Go To"); listbox_OnSelect(list, listener(app, i_OnSelect, App)); listbox_add_elem(list, "NAppGUI", NULL); listbox_add_elem(list, "Google", NULL); listbox_add_elem(list, "YouTube", NULL); listbox_add_elem(list, "Facebook", NULL); listbox_add_elem(list, "Instagram", NULL); listbox_add_elem(list, "Twitter", NULL); listbox_select(list, 0, TRUE); layout_label(layout1, label1, 0, 0); layout_layout(layout1, layout2, 0, 1); layout_label(layout1, label2, 0, 2); layout_listbox(layout1, list, 0, 3); layout_layout(layout1, layout3, 0, 4); layout_vmargin(layout1, 0, 3); layout_vmargin(layout1, 1, 5); layout_vmargin(layout1, 2, 3); layout_vmargin(layout1, 3, 5); layout_margin(layout1, 10); return layout1; } /*---------------------------------------------------------------------------*/ static Panel *i_tab_panel(App *app) { Panel *panel = panel_create(); Layout *layout1 = layout_create(1, 1); Layout *layout2 = layout_create(1, 1); WebView *view1 = webview_create(); WebView *view2 = webview_create(); cassert_no_null(app); webview_size(view1, s2df(800, 600)); webview_size(view2, s2df(800, 600)); i_web_navigate(view1, 0); i_web_navigate(view2, 1); layout_webview(layout1, view1, 0, 0); layout_webview(layout2, view2, 0, 0); panel_layout(panel, layout1); panel_layout(panel, layout2); app->tabpanel = panel; app->web1 = view1; app->web2 = view2; panel_visible_layout(panel, app->tabid); return panel; } /*---------------------------------------------------------------------------*/ static Panel *i_panel(App *app) { Panel *panel = panel_create(); Layout *layout1 = layout_create(2, 1); Layout *layout2 = i_control_layout(app); Panel *tabpanel = i_tab_panel(app); layout_valign(layout1, 0, 0, ekTOP); layout_layout(layout1, layout2, 0, 0); layout_panel(layout1, tabpanel, 1, 0); layout_hexpand(layout1, 1); panel_layout(panel, layout1); return panel; } /*---------------------------------------------------------------------------*/ static void i_OnClose(App *app, Event *e) { osapp_finish(); unref(app); unref(e); } /*---------------------------------------------------------------------------*/ static App *i_app(void) { App *app = heap_new0(App); app->tabid = 0; return app; } /*---------------------------------------------------------------------------*/ static App *i_create(void) { App *app = i_app(); Panel *panel = i_panel(app); app->window = window_create(ekWINDOW_STDRES); window_panel(app->window, panel); window_title(app->window, "Hello WebView"); window_origin(app->window, v2df(500, 200)); window_OnClose(app->window, listener(app, i_OnClose, App)); window_show(app->window); return app; } /*---------------------------------------------------------------------------*/ static void i_destroy(App **app) { window_destroy(&(*app)->window); heap_delete(app, App); } /*---------------------------------------------------------------------------*/ #include <osapp/osmain.h> osmain(i_create, i_destroy, "", App) |