Change auto_zooming parameter at runtime on cefpython












1














I have a Flask app that render some page on localhost:3000. To display correctly this page on every computer i use chromium browser (Basically WXpython example from cefpython3 with minor changes: https://github.com/cztomczak/cefpython/blob/master/examples/wxpython.py). However on some computers that have a different resolution/zoom level i have to re-run the code with a different value of parameter 'auto_zooming' in order to display correctly the page:



...

zoom = '0'
settings = {'debug': False, 'auto_zooming': zoom}
cef.Initialize(settings=settings)

...


My question is: There is any way to change the zoom level of Cefpython browser without have to rerun the code everytime i want to change the zoom? I was thinking on something like 'ctrl - +' or 'ctrl - -'.



Thanks in advance,
Ricardo










share|improve this question



























    1














    I have a Flask app that render some page on localhost:3000. To display correctly this page on every computer i use chromium browser (Basically WXpython example from cefpython3 with minor changes: https://github.com/cztomczak/cefpython/blob/master/examples/wxpython.py). However on some computers that have a different resolution/zoom level i have to re-run the code with a different value of parameter 'auto_zooming' in order to display correctly the page:



    ...

    zoom = '0'
    settings = {'debug': False, 'auto_zooming': zoom}
    cef.Initialize(settings=settings)

    ...


    My question is: There is any way to change the zoom level of Cefpython browser without have to rerun the code everytime i want to change the zoom? I was thinking on something like 'ctrl - +' or 'ctrl - -'.



    Thanks in advance,
    Ricardo










    share|improve this question

























      1












      1








      1







      I have a Flask app that render some page on localhost:3000. To display correctly this page on every computer i use chromium browser (Basically WXpython example from cefpython3 with minor changes: https://github.com/cztomczak/cefpython/blob/master/examples/wxpython.py). However on some computers that have a different resolution/zoom level i have to re-run the code with a different value of parameter 'auto_zooming' in order to display correctly the page:



      ...

      zoom = '0'
      settings = {'debug': False, 'auto_zooming': zoom}
      cef.Initialize(settings=settings)

      ...


      My question is: There is any way to change the zoom level of Cefpython browser without have to rerun the code everytime i want to change the zoom? I was thinking on something like 'ctrl - +' or 'ctrl - -'.



      Thanks in advance,
      Ricardo










      share|improve this question













      I have a Flask app that render some page on localhost:3000. To display correctly this page on every computer i use chromium browser (Basically WXpython example from cefpython3 with minor changes: https://github.com/cztomczak/cefpython/blob/master/examples/wxpython.py). However on some computers that have a different resolution/zoom level i have to re-run the code with a different value of parameter 'auto_zooming' in order to display correctly the page:



      ...

      zoom = '0'
      settings = {'debug': False, 'auto_zooming': zoom}
      cef.Initialize(settings=settings)

      ...


      My question is: There is any way to change the zoom level of Cefpython browser without have to rerun the code everytime i want to change the zoom? I was thinking on something like 'ctrl - +' or 'ctrl - -'.



      Thanks in advance,
      Ricardo







      python wxpython zoom embedded-browser cefpython






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Sep 10 '18 at 15:47









      Ricardo GoncalvesRicardo Goncalves

      609




      609
























          1 Answer
          1






          active

          oldest

          votes


















          1














          Can't you detect zoom level before initializing CEF?



          The auto_zooming option will call SetBrowserDpiSettings C++ function. It sets zoom level constantly in a 50 ms timer. You can implement similar functionality in pure Python. It uses four functions and their Python equivalents are: Browser.SetZoomLevel, Browser.GetZoomLevel, cef.DpiAware.GetSystemDpi and cef.PostDelayedTask.



          See the C++ function source code here:



          https://github.com/cztomczak/cefpython/blob/6f5bf081fec19647e1860bb3e0f3638c02bb9d11/src/client_handler/dpi_aware.cpp#L163






          share|improve this answer























          • Thank you, i will dig into the code. If i can do something i will post the solution!
            – Ricardo Goncalves
            Sep 11 '18 at 8:37











          Your Answer






          StackExchange.ifUsing("editor", function () {
          StackExchange.using("externalEditor", function () {
          StackExchange.using("snippets", function () {
          StackExchange.snippets.init();
          });
          });
          }, "code-snippets");

          StackExchange.ready(function() {
          var channelOptions = {
          tags: "".split(" "),
          id: "1"
          };
          initTagRenderer("".split(" "), "".split(" "), channelOptions);

          StackExchange.using("externalEditor", function() {
          // Have to fire editor after snippets, if snippets enabled
          if (StackExchange.settings.snippets.snippetsEnabled) {
          StackExchange.using("snippets", function() {
          createEditor();
          });
          }
          else {
          createEditor();
          }
          });

          function createEditor() {
          StackExchange.prepareEditor({
          heartbeatType: 'answer',
          autoActivateHeartbeat: false,
          convertImagesToLinks: true,
          noModals: true,
          showLowRepImageUploadWarning: true,
          reputationToPostImages: 10,
          bindNavPrevention: true,
          postfix: "",
          imageUploader: {
          brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
          contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
          allowUrls: true
          },
          onDemand: true,
          discardSelector: ".discard-answer"
          ,immediatelyShowMarkdownHelp:true
          });


          }
          });














          draft saved

          draft discarded


















          StackExchange.ready(
          function () {
          StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f52261386%2fchange-auto-zooming-parameter-at-runtime-on-cefpython%23new-answer', 'question_page');
          }
          );

          Post as a guest















          Required, but never shown

























          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          1














          Can't you detect zoom level before initializing CEF?



          The auto_zooming option will call SetBrowserDpiSettings C++ function. It sets zoom level constantly in a 50 ms timer. You can implement similar functionality in pure Python. It uses four functions and their Python equivalents are: Browser.SetZoomLevel, Browser.GetZoomLevel, cef.DpiAware.GetSystemDpi and cef.PostDelayedTask.



          See the C++ function source code here:



          https://github.com/cztomczak/cefpython/blob/6f5bf081fec19647e1860bb3e0f3638c02bb9d11/src/client_handler/dpi_aware.cpp#L163






          share|improve this answer























          • Thank you, i will dig into the code. If i can do something i will post the solution!
            – Ricardo Goncalves
            Sep 11 '18 at 8:37
















          1














          Can't you detect zoom level before initializing CEF?



          The auto_zooming option will call SetBrowserDpiSettings C++ function. It sets zoom level constantly in a 50 ms timer. You can implement similar functionality in pure Python. It uses four functions and their Python equivalents are: Browser.SetZoomLevel, Browser.GetZoomLevel, cef.DpiAware.GetSystemDpi and cef.PostDelayedTask.



          See the C++ function source code here:



          https://github.com/cztomczak/cefpython/blob/6f5bf081fec19647e1860bb3e0f3638c02bb9d11/src/client_handler/dpi_aware.cpp#L163






          share|improve this answer























          • Thank you, i will dig into the code. If i can do something i will post the solution!
            – Ricardo Goncalves
            Sep 11 '18 at 8:37














          1












          1








          1






          Can't you detect zoom level before initializing CEF?



          The auto_zooming option will call SetBrowserDpiSettings C++ function. It sets zoom level constantly in a 50 ms timer. You can implement similar functionality in pure Python. It uses four functions and their Python equivalents are: Browser.SetZoomLevel, Browser.GetZoomLevel, cef.DpiAware.GetSystemDpi and cef.PostDelayedTask.



          See the C++ function source code here:



          https://github.com/cztomczak/cefpython/blob/6f5bf081fec19647e1860bb3e0f3638c02bb9d11/src/client_handler/dpi_aware.cpp#L163






          share|improve this answer














          Can't you detect zoom level before initializing CEF?



          The auto_zooming option will call SetBrowserDpiSettings C++ function. It sets zoom level constantly in a 50 ms timer. You can implement similar functionality in pure Python. It uses four functions and their Python equivalents are: Browser.SetZoomLevel, Browser.GetZoomLevel, cef.DpiAware.GetSystemDpi and cef.PostDelayedTask.



          See the C++ function source code here:



          https://github.com/cztomczak/cefpython/blob/6f5bf081fec19647e1860bb3e0f3638c02bb9d11/src/client_handler/dpi_aware.cpp#L163







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited Nov 13 '18 at 6:13

























          answered Sep 10 '18 at 18:12









          Czarek TomczakCzarek Tomczak

          13.5k33349




          13.5k33349












          • Thank you, i will dig into the code. If i can do something i will post the solution!
            – Ricardo Goncalves
            Sep 11 '18 at 8:37


















          • Thank you, i will dig into the code. If i can do something i will post the solution!
            – Ricardo Goncalves
            Sep 11 '18 at 8:37
















          Thank you, i will dig into the code. If i can do something i will post the solution!
          – Ricardo Goncalves
          Sep 11 '18 at 8:37




          Thank you, i will dig into the code. If i can do something i will post the solution!
          – Ricardo Goncalves
          Sep 11 '18 at 8:37


















          draft saved

          draft discarded




















































          Thanks for contributing an answer to Stack Overflow!


          • Please be sure to answer the question. Provide details and share your research!

          But avoid



          • Asking for help, clarification, or responding to other answers.

          • Making statements based on opinion; back them up with references or personal experience.


          To learn more, see our tips on writing great answers.




          draft saved


          draft discarded














          StackExchange.ready(
          function () {
          StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f52261386%2fchange-auto-zooming-parameter-at-runtime-on-cefpython%23new-answer', 'question_page');
          }
          );

          Post as a guest















          Required, but never shown





















































          Required, but never shown














          Required, but never shown












          Required, but never shown







          Required, but never shown

































          Required, but never shown














          Required, but never shown












          Required, but never shown







          Required, but never shown







          這個網誌中的熱門文章

          Xamarin.form Move up view when keyboard appear

          Post-Redirect-Get with Spring WebFlux and Thymeleaf

          Anylogic : not able to use stopDelay()