Sun, 13 Oct 2024 21:28:09 +0200
add minimally working image viewer (GTK)
application/main.c | file | annotate | diff | comparison | revisions | |
ui/gtk/button.c | file | annotate | diff | comparison | revisions | |
ui/gtk/icon.h | file | annotate | diff | comparison | revisions | |
ui/gtk/image.c | file | annotate | diff | comparison | revisions | |
ui/gtk/image.h | file | annotate | diff | comparison | revisions | |
ui/gtk/list.c | file | annotate | diff | comparison | revisions | |
ui/gtk/objs.mk | file | annotate | diff | comparison | revisions | |
ui/gtk/toolbar.c | file | annotate | diff | comparison | revisions | |
ui/gtk/toolkit.c | file | annotate | diff | comparison | revisions | |
ui/ui/image.h | file | annotate | diff | comparison | revisions | |
ui/ui/toolkit.h | file | annotate | diff | comparison | revisions |
--- a/application/main.c Sun Oct 13 19:41:12 2024 +0200 +++ b/application/main.c Sun Oct 13 21:28:09 2024 +0200 @@ -43,6 +43,7 @@ UiList *menulist; UiInteger *radio; UiInteger *tabview; + UiGeneric *image; } MyDocument; MyDocument *doc1; @@ -56,14 +57,16 @@ void action_file_selected(UiEvent *event, void *userdata) { UiFileList *files = event->eventdata; + MyDocument *doc = event->document; printf("files: %d\n", (int)files->nfiles); if(files->nfiles > 0) { printf("selected file: %s\n", files->files[0]); + ui_image_load_file(doc->image, files->files[0]); } } void action_button(UiEvent *event, void *userdata) { - ui_savefiledialog(event->obj, "myfile.txt", action_file_selected, NULL); + ui_openfiledialog(event->obj, UI_FILEDIALOG_SELECT_SINGLE, action_file_selected, NULL); } void action_switch(UiEvent *event, void *userdata) { @@ -106,6 +109,7 @@ ui_list_append(doc->list, "test3"); doc->radio = ui_int_new(docctx, "radio"); doc->tabview = ui_int_new(docctx, "tabview"); + doc->image = ui_generic_new(docctx, "image"); //doc->text = ui_text_new(docctx, "text"); return doc; } @@ -225,6 +229,10 @@ ui_tab(obj, "Tab 4") { ui_textarea(obj, .varname = "text"); } + ui_tab(obj, "Tab 5") { + ui_button(obj, .label = "Test Button", .icon = "application-x-generic", .onclick = action_button); + ui_imageviewer(obj, .varname = "image"); + } } /*
--- a/ui/gtk/button.c Sun Oct 13 19:41:12 2024 +0200 +++ b/ui/gtk/button.c Sun Oct 13 21:28:09 2024 +0200 @@ -401,8 +401,8 @@ event); } - UiContainer *ct = uic_get_current_container(obj); - ct->add(ct, rbutton, FALSE); + UI_APPLY_LAYOUT1(current, args); + current->container->add(current->container, rbutton, FALSE); return rbutton; }
--- a/ui/gtk/icon.h Sun Oct 13 19:41:12 2024 +0200 +++ b/ui/gtk/icon.h Sun Oct 13 21:28:09 2024 +0200 @@ -1,7 +1,7 @@ /* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * - * Copyright 2017 Olaf Wintermann. All rights reserved. + * Copyright 2024 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: @@ -29,7 +29,7 @@ #ifndef ICON_H #define ICON_H -#include "../ui/icon.h" +#include "../ui/icons.h" #ifdef __cplusplus extern "C" {
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ui/gtk/image.c Sun Oct 13 21:28:09 2024 +0200 @@ -0,0 +1,118 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. + * + * Copyright 2024 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 "image.h" + +#include "container.h" +#include "../common/context.h" +#include "../common/object.h" + + +UIWIDGET ui_imageviewer_create(UiObject *obj, UiImageViewerArgs args) { + UiObject *current = uic_current_obj(obj); + + GtkWidget *scrolledwindow = SCROLLEDWINDOW_NEW(); + GtkWidget *image = gtk_image_new(); + +#if GTK_MAJOR_VERSION < 4 + GtkWidget *eventbox = gtk_event_box_new(); + SCROLLEDWINDOW_SET_CHILD(scrolledwindow, event_box); + gtk_container_add(GTK_CONTAINER(eventbox), image); +#else + SCROLLEDWINDOW_SET_CHILD(scrolledwindow, image); +#endif + + UI_APPLY_LAYOUT1(current, args); + current->container->add(current->container, scrolledwindow, TRUE); + + UiVar *var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_GENERIC); + if(var) { + UiGeneric *value = var->value; + value->get = ui_imageviewer_get; + value->get_type = ui_imageviewer_get_type; + value->set = ui_imageviewer_set; + value->obj = image; + if(value->value && value->type && !strcmp(value->type, UI_IMAGE_OBJECT_TYPE)) { + GdkPixbuf *pixbuf = value->value; + value->value = NULL; + ui_imageviewer_set(value, pixbuf, UI_IMAGE_OBJECT_TYPE); + } + } + + return scrolledwindow; +} + +void* ui_imageviewer_get(UiGeneric *g) { + +} + +const char* ui_imageviewer_get_type(UiGeneric *g) { + +} + +int ui_imageviewer_set(UiGeneric *g, void *value, const char *type) { + if(!type || strcmp(type, UI_IMAGE_OBJECT_TYPE)) { + return 1; + } + + // TODO: do we need to free the previous value here? + + g->value = value; + g->type = type; + GdkPixbuf *pixbuf = value; + + if(pixbuf) { +#if GTK_CHECK_VERSION(4, 12, 0) + GdkTexture *texture = gdk_texture_new_for_pixbuf(pixbuf); + gtk_image_set_from_paintable(GTK_IMAGE(g->obj), GDK_PAINTABLE(texture)); +#else + gtk_image_set_from_pixbuf(GTK_IMAGE(g->obj), pixbuf); +#endif + } + + + return 0; +} + + + +int ui_image_load_file(UiGeneric *obj, const char *path) { + GError *error = NULL; + GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, &error); + if(!pixbuf) { + return 1; + } + + if(obj->set) { + obj->set(obj, pixbuf, UI_IMAGE_OBJECT_TYPE); + } else { + obj->value = pixbuf; + } + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ui/gtk/image.h Sun Oct 13 21:28:09 2024 +0200 @@ -0,0 +1,49 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. + * + * Copyright 2024 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. + */ + +#ifndef IMAGE_H +#define IMAGE_H + +#include "../ui/image.h" +#include "toolkit.h" + +#ifdef __cplusplus +extern "C" { +#endif + + +void* ui_imageviewer_get(UiGeneric *g); +const char* ui_imageviewer_get_type(UiGeneric *g); +int ui_imageviewer_set(UiGeneric *g, void *value, const char *type); + +#ifdef __cplusplus +} +#endif + +#endif /* IMAGE_H */ +
--- a/ui/gtk/list.c Sun Oct 13 19:41:12 2024 +0200 +++ b/ui/gtk/list.c Sun Oct 13 21:28:09 2024 +0200 @@ -36,7 +36,7 @@ #include "container.h" #include "list.h" -#include "image.h" +#include "icon.h" void* ui_strmodel_getvalue(void *elm, int column) {
--- a/ui/gtk/objs.mk Sun Oct 13 19:41:12 2024 +0200 +++ b/ui/gtk/objs.mk Sun Oct 13 21:28:09 2024 +0200 @@ -40,6 +40,7 @@ GTKOBJ += text.o GTKOBJ += list.o GTKOBJ += image.o +GTKOBJ += icon.o GTKOBJ += graphics.o GTKOBJ += range.o GTKOBJ += entry.o
--- a/ui/gtk/toolbar.c Sun Oct 13 19:41:12 2024 +0200 +++ b/ui/gtk/toolbar.c Sun Oct 13 21:28:09 2024 +0200 @@ -33,7 +33,7 @@ #include "toolbar.h" #include "menu.h" #include "button.h" -#include "image.h" +#include "icon.h" #include "list.h" #include <cx/mempool.h> #include <cx/hash_map.h>
--- a/ui/gtk/toolkit.c Sun Oct 13 19:41:12 2024 +0200 +++ b/ui/gtk/toolkit.c Sun Oct 13 21:28:09 2024 +0200 @@ -33,7 +33,7 @@ #include "toolkit.h" #include "toolbar.h" -#include "image.h" +#include "icon.h" #include "../common/document.h" #include "../common/properties.h" #include "../common/menu.h"
--- a/ui/ui/image.h Sun Oct 13 19:41:12 2024 +0200 +++ b/ui/ui/image.h Sun Oct 13 21:28:09 2024 +0200 @@ -35,6 +35,8 @@ extern "C" { #endif +#define UI_IMAGE_OBJECT_TYPE "image" + typedef struct UiImageViewerArgs { UiTri fill; UiBool hexpand; @@ -45,6 +47,7 @@ const char *style_class; UiBool scrollarea; + UiBool autoscale; UiGeneric *value; const char *varname; } UiImageViewerArgs; @@ -53,6 +56,8 @@ UIEXPORT UIWIDGET ui_imageviewer_create(UiObject *obj, UiImageViewerArgs args); +int ui_image_load_file(UiGeneric *obj, const char *path); + #ifdef __cplusplus } #endif
--- a/ui/ui/toolkit.h Sun Oct 13 19:41:12 2024 +0200 +++ b/ui/ui/toolkit.h Sun Oct 13 21:28:09 2024 +0200 @@ -329,7 +329,7 @@ struct UiGeneric { void* (*get)(UiGeneric*); const char* (*get_type)(UiGeneric*); - void (*set)(UiGeneric*, void *, const char *type); + int (*set)(UiGeneric*, void *, const char *type); void *obj; void *value;