I'm using gtk3 in Anjuta with C, with the following cut-out version of my code:
u.wMenuButton = gtk_menu_button_new();
u.weaponMenu = gtk_menu_new();
u.weaponCI = gtk_menu_item_new();
u.weapon = gtk_button_new_with_label("Punch");
gtk_box_pack_start(GTK_BOX(u.horizontal), u.wMenuButton, TRUE, TRUE, 1);
gtk_menu_button_set_popup (GTK_MENU_BUTTON(u.wMenuButton), u.weaponMenu);
gtk_container_add (GTK_CONTAINER(u.weaponCI), u.weapon);
gtk_menu_attach(GTK_MENU(u.weaponMenu), u.weaponCI, 0, 1, 0, 1);
The only difference in my real code is that I used an array of "weaponCI" and "weapon" and formatted each one identical to the above. I've tried NOT using an array, but it didn't work. I've tried different menu_attach column and row combinations, and nothing worked. I've tried using menubars as indicated in tutorials, and it didn't make a difference. I've reviewed the documentation and some tutorials, and I can't figure out what I have wrong.
I've almost completely sure that my headers and everything is fine, and nothing but the menu is working wrong.
However, the menu still pops up as a tiny flat rectangle with nothing in it at the corner of the screen.
Well, did you try to call gtk_widget_show_all on it ?
Related
I have a Tizen Edje file which defines my layout. One part is an image with part name 'warning'. The item is set to visible in the edge file, and it shows as expected.
I want to hide this part using C code:
Evas_Object* image_NotSetYet = (Evas_Object *) edje_object_part_object_get(elm_layout_edje_get(wid->edjeLayout), "warning");
if (image_NotSetYet == NULL) {
dlog_print(DLOG_ERROR, LOG_TAG, "View: Unable to get warning image part");
return;
}
evas_object_hide(image_NotSetYet);
I have tried many different ways to get the Evas Object associated with this part name and hide it. After many hours I stumbled onto some code that I modeled after, and it seems to work. I can hide (and show) my image part now.
However, I later add an unrealted image to a swallow in this layout and show it. All of a suddent the 'warning' part image shows again. Why? Am I hiding the 'warning' part the wrong way? Is there something wrong with the above?
Alternatively, is there something wrong with the way I am adding an image to the swallow below? The image (from file) will show up, but suddenly my warning part above shows too:
Evas_Object *img = elm_image_add(wid->edjeLayout);
if (img == NULL) {
dlog_print(DLOG_ERROR, LOG_TAG, "View: Failed to add a image.");
return;
}
// Create an image and set contents to imagefile
char *imageFileName = barcode_filename();
bool isSet = elm_image_file_set(img, imageFileName, NULL);
dlog_print((isSet?DLOG_INFO:DLOG_ERROR), LOG_TAG, "View: %s file [%s] to image",(isSet==EINA_TRUE?"Set":"Failed to set"),imageFileName);
free(imageFileName);
evas_object_show(img);
// Assign the image to the swallow2 part
elm_object_part_content_set(wid->edjeLayout,"swallow2",img);
I tried adding the image to the 'window' instead of the 'layout' but that didn't seem to matter. (I've seen many contradictory examples so I don't know which is right)
I tried setting the image to the 'swallow2' part name many different ways (again, many contradictory ways show). Is this the problem?
Otherwise, can someone explain what is going wrong?
The image_NotSetYet is not an image object.
Evas_Object* image_NotSetYet = (Evas_Object *) edje_object_part_object_get(elm_layout_edje_get(wid->edjeLayout), "warning");
That refers to the "warning" swallow part object.
You should never modify the state of the returned object, because it's meant to be managed by Edje, solely.
If you want to get the image pointer from your layout as you expected, you could use following instead.
Evas_Object* image_NotSetYet = elm_object_part_content_get((wid->edjeLayout), "warning")
But as above link describes, the image object should be manged by Edje.
You might got the 2nd problem because it is managed by Edje. So please use edje_object_signal_emit to handle swallowed images.
I'm using Xlib to write my own platform library (genius plays, I know), but I can't get fullscreen to work on GNOME based DE. It works on I3 and Xfce but not on GNOME or Unity. Here is what I have so far.
XSizeHints* size_hints;
long hints = 0;
size_hints = XAllocSizeHints();
if (XGetWMSizeHints(_platform.display, _window.window, size_hints, &hints,
XInternAtom(_platform.display, "WM_SIZE_HINTS", False)) == 0) {
puts("Failed.");
}
XLowerWindow(_platform.display, _window.window);
XUnmapWindow(_platform.display, _window.window);
XSync(_platform.display, False);
printf("%ld\n", hints);
XFree(size_hints);
Atom atoms[2] = { XInternAtom(_platform.display, "_NET_WM_STATE_FULLSCREEN", False), None };
XChangeProperty(
_platform.display,
_window.window,
XInternAtom(_platform.display, "_NET_WM_STATE", False),
XA_ATOM, 32, PropModeReplace, (unsigned char*)atoms, 1);
XMapWindow(_platform.display, _window.window);
XRaiseWindow(_platform.display, _window.window);
Minus all of the XGetWMSizeHints code, this code works fine on other WMs and DEs. According to other Stack Overflow questions, the way to get fullscreen working on GNOME is to either change some WM-NORMAL_HINT values or remove them entirely (How to open a non-decorated fullscreen window on Ubuntu and Fullscreen window without Gnome Panel).
In order to do either I have to use XGetWMSizeHints, but the function is failing. Do I need to create the property for the window first, then use this function? What values should I set in XSizeHints?
I've tried your solution in my environment, and it works.
What I noticed though is the return value from XGetWMSizehints is 0 on failure and nonzero on success, which means your example is incorrectly printing "Failed."
What i'm trying to achieve is that when a popup is displayed, the input panel (keyboard) appears as well, and when the user start typing it also update the entry content that is on the panel content.
Unfortunately this appear to be quite complex in Tizen.
What I obtained so far is that the popup is displayed, the kepad too, but when I press buttons on the keypad they are not updating the entry.
In order to start real typing even if the keypad is displayed, i have to tap on the entry.
I did many different tries, without success. The following is the first version of the code and i try to list all the changes i tested:
Evas_Object *popup, *layout;
popup = elm_popup_add(parent);
elm_popup_align_set(popup, ELM_NOTIFY_ALIGN_FILL, 1.0);
evas_object_size_hint_weight_set(popup, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_object_part_text_set(popup, "title,text", "Use energy");
layout = elm_layout_add(popup);
elm_layout_theme_set(layout, "layout", "drawer", "panel");
evas_object_size_hint_weight_set(layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_object_content_set(popup, layout);
Evas_Object *entry = elm_entry_add(layout);
set_number_on_entry(entry, 0);
elm_entry_input_panel_layout_set(entry, ELM_INPUT_PANEL_LAYOUT_NUMBERONLY);
elm_entry_input_panel_show(entry);
elm_object_part_content_set(layout, "elm.swallow.content" , entry);
dlog_print(DLOG_INFO, APP_TAG, elm_entry_entry_get(entry));
container->entry = entry;
Evas_Object *button1;
button1 = elm_button_add(popup);
elm_object_text_set(button1, "OK");
elm_object_part_content_set(popup, "button1", button1);
elm_object_style_set(button1, "popup");
evas_object_smart_callback_add(button1, "clicked", ok_pressed_energy, container);
/* Add a "Cancel" button to popup */
button1 = elm_button_add(popup);
elm_object_text_set(button1, "Cancel");
elm_object_part_content_set(popup, "button2", button1);
evas_object_smart_callback_add(button1, "clicked", dismissed_cb, popup);
evas_object_smart_callback_add(popup, "dismissed", dismissed_cb, NULL);
container->popup = popup;
evas_object_show(popup);
elm_object_focus_set(entry, EINA_TRUE);
elm_entry_cursor_end_set(entry);
The first version of the code (the one above) was trying to display the panel while the popup was still creating. So maybe the show call could have impacted on the focus status for the entry.
The following are the changes i tried in order:
I tried to explicitly allow the focus on the entry using:
elm_object_focus_allow_set(entry, EINA_TRUE);
without luck. I also tried to explicitly give the focus to the entry just after the focus allow was set to true, again no success.
I tried to show the panel after the entry was focused (then after the show function for popup was called. Again not working.
Added:
elm_entry_input_panel_enabled_set(entry, EINA_TRUE);
The documentation for that function says:
If true, the input panel is appeared when entry is clicked or has a focus.
Not working
Tried to display the code using the context obtained from the entry with the following code:
Ecore_IMF_Context *imf_context = (Ecore_IMF_Context*)
elm_entry_imf_context_get(entry);
if(imf_context){
dlog_print(DLOG_INFO, APP_TAG , "Imf context");
ecore_imf_context_input_panel_show(imf_context);
}
I tried to post the question also on the Tizen foru, but i still didn't get an answer that solve my problem, this is the link: https://developer.tizen.org/forums/native-application-development/entry-on-popup-focus#comment-27748
What i'm doing wrong? I tried everything but at the moment with no luck. And unfortunately the documentation is not covering this use case (that i think is quite common).
Any help?
I need to break some generic text into multiple lines using a GtkCellRendererText.
If the text exceeds 3 lines, I would like to ellipsize it.
So here is my attempt, which does not work so well.
...
g_object_set (G_OBJECT (my_text_renderer),
"ellipsize", PANGO_ELLIPSIZE_END,
"single-paragraph-mode", TRUE,
"wrap-mode", PANGO_WRAP_WORD_CHAR,
"wrap-width", 30,
"width-chars", 40,
"xpad", 5,
NULL);
It works fine if I only use "ellipsize", and it works fine if I only use "wrap-width" ... but both together seems to be a problem.
I found this tutorial which suggest to use "gtk_label_set_lines", however I cannot do this, since I dont use a label.
I am trying to display a rounded image that I get straight from the Internet.
I used the code below to create a round mask, get the image from the Internet, then tried to either set the mask on the image or the label itself. None of these approaches worked. If I remove the mask, the image is displayed fine. If I keep the code to set the mask then all I see is an empty white circle.
I have the idea that if I apply the mask on the image itself, then it may not take effect because the image was not downloaded at the time the mask was applied.
But I don't seem to understand why calling setMask on the label is also not working.
// Create MASK
Image maskImage = Image.createImage(w, l);
Graphics g = maskImage.getGraphics();
g.setAntiAliased(true);
g.setColor(0x000000);
g.fillRect(0, 0, w, l);
g.setColor(0xffffff);
g.fillArc(0, 0, w, l, 0, 360);
Object mask = maskImage.createMask();
// GET IMAGE
com.cloudinary.Cloudinary cloudinary = new com.cloudinary.Cloudinary(ObjectUtils.asMap(
"cloud_name", "REMOVED",
"api_key", "REMOVED",
"api_secret", "REMOVED"));
// Disable private CDN URLs as this doesn't seem to work with free accounts
cloudinary.config.privateCdn = false;
Image placeholder = Image.createImage(150, 150);
EncodedImage encImage = EncodedImage.createFromImage(placeholder, false);
Image img2 = cloudinary.url()
.type("fetch") // Says we are fetching an image
.format("jpg") // We want it to be a jpg
.transformation(
new Transformation()
.radius("max").width(150).height(150).crop("thumb").gravity("faces").image(encImage, "http://upload.wikimedia.org/wikipedia/commons/4/46/Jennifer_Lawrence_at_the_83rd_Academy_Awards.jpg");
Label label = new Label(img2);
label.setMask(mask); // also tried to do img2.applyMask(mask); before passing img2
So I tried various things:
1) Removing the mask that was set through cloudinary - That did not work
2) applied the mask to the placeholder & encoded image (as expected these shouldnt affect the final version that is getting published)
3) This is what works! I am not sure if the issue is really with downloading the picture before or after applying the mask.. time can tell down the road
Label label = new Label();
img2.applyMask(mask); // If you remove this line , the image will no longer be displayed, I will only see a rounded white circle ! I am not sure what this is doing, it might be simply stalling the process until the image is downloaded? or maybe somehow calling repaint or revalidate
label.setIcon( img2.applyMask(mask));
Here is what worked for me if anyone else is having similar issues:
//CREATE MASK
Image maskImage = Image.createImage(w, l);
Graphics g = maskImage.getGraphics();
g.setAntiAliased(true);
g.setColor(0x000000);
g.fillRect(0, 0, w, l);
g.setColor(0xffffff);
g.fillArc(0, 0, w, l, 0, 360);
Object mask = maskImage.createMask();
//CONNECT TO CLOUDINARY
com.cloudinary.Cloudinary cloudinary = new com.cloudinary.Cloudinary(ObjectUtils.asMap(
"cloud_name", "REMOVED",
"api_key", "REMOVED",
"api_secret", "REMOVED"));
// Disable private CDN URLs as this doesn't seem to work with free accounts
cloudinary.config.privateCdn = false;
//CREATE IMAGE PLACEHOLDERS
Image placeholder = Image.createImage(w, l);
EncodedImage encImage = EncodedImage.createFromImage(placeholder, false);
//DOWNLOAD IMAGE
Image img2 = cloudinary.url()
.type("fetch") // Says we are fetching an image
.format("jpg") // We want it to be a jpg
.transformation(
new Transformation()
.crop("thumb").gravity("faces")
.image(encImage, url);
// Add the image to a label and place it on the form.
//GetCircleImage(img2);
Label label = new Label();
img2.applyMask(mask); // If you remove this line , the image will no longer be displayed, I will only see a rounded white circle ! I am not sure what this is doing, it might be simply stalling the process until the image is downloaded? or maybe somehow calling repaint or revalidate
label.setIcon( img2.applyMask(mask));
Shai, I seriously appreciate your time!! Thank you very much. Will have to dig more into it if it gives me any other problems later but it seems to consistently work for now.
The Cloudinary API returns a URLImage which doesn't work well with the Label.setMask() method because, technically, a URLImage is an animated image (it is a placeholder image until it finishes loading, and then "animates" to become the target image).
I have just released a new version of the cloudinary cn1lib which gives you a couple of options for working around this.
I have added two new image() methods. One that takes an ImageAdapter parameter that you can use to apply the mask to the image itself, before setting it as the icon for the label. Then you wouldn't use Label.setMask() at all.
See javadocs for this method here
The other method uses the new Async image loading APIs underneath to load the image asynchronously. The image you receive in the callback is a "real" image so you can use it with a mask normally.
See javadocs for this method here
We are looking at adding a soft warning to the Label.setMask() and setIcon() methods if you try to add an "animated" image and mask it so that it is more clear.
I think the making code you set to the label might be conflicting with the masking code you get from Cloudinary.