<transcript><audio_0>welcome again to another lecture of the course on computer programming i am dr aviram ranide of the department of computer science and engineering at iit bombay in this session i am going to tell you about elementary graphics events</transcript><caption><image_1>The image shows a man standing in front of a green background with the words "e-studio IT Bombay" written on it. He is wearing a white shirt and has a microphone attached to his shirt. He appears to be giving a presentation or giving a speech. The man is looking directly at the camera with a serious expression on his face. On the right side of the image, there is an Indian flag and a podium with a microphone.</caption><transcript><audio_2>or in other words how to do graphical input so last time we looked at coordinate based graphics facility of</transcript><caption><image_3>The image is a screenshot of a webpage with a white background. On the top left corner, there is a text that reads "Quick recap". Below the text, there are two buttons - "Quick" and "Recap". On the right side of the image, there appears to be a logo of a shield with a crown on top and a banner below it. At the bottom of the page, there has a space for the user to write their name and date.</caption><transcript><audio_4>today our goal is how to handle graphical input so graphical input involves events in the sense that when a user clicks a button or clicks a mouse button or clicks a key on</transcript><transcript><audio_5>the keyboard that is considered an event and so graphical input really is dealing with this material that we are going to discuss today comes from</transcript><transcript><audio_6>section 5.5 5.7 and 6.4 an introduction to programming through c plus plus published by macro hill education in earlier this year</transcript><transcript><audio_7>graphical input is input given through the mouse touch by graphical input we mean information provided to a program by clicking on a screen using a mouse or using a touch screen</transcript><transcript><audio_8>we do not include in graphical input the information that comes to a computer or the program by pressing keys on the keyboard or by press or by reading files from disk the graphical information usually</transcript><transcript><audio_9>includes the coordinates of the point at which a click was made in addition to information about what was clicked for example in connection with a mouse the clicking might be of the left button or the middle button</transcript><transcript><audio_10>or the right button or there might also be issues such as was the mouse moving and was information coming above mouse while it was in motion graphical input has several advantages</transcript> welcome again to another lecture of the course on computer programming i am dr aviram ranide of the department of computer science and engineering at iit bombay in this session i am going to tell you about elementary graphics events or in other words how to do graphical input so last time we looked at coordinate based graphics facility of today our goal is how to handle graphical input so graphical input involves events in the sense that when a user clicks a button or clicks a mouse button or clicks a key on the keyboard that is considered an event and so graphical input really is dealing with this material that we are going to discuss today comes from section 5.5 5.7 and 6.4 an introduction to programming through c plus plus published by macro hill education in earlier this year graphical input is input given through the mouse touch by graphical input we mean information provided to a program by clicking on a screen using a mouse or using a touch screen we do not include in graphical input the information that comes to a computer or the program by pressing keys on the keyboard or by press or by reading files from disk the graphical information usually includes the coordinates of the point at which a click was made in addition to information about what was clicked for example in connection with a mouse the clicking might be of the left button or the middle button or the right button or there might also be issues such as was the mouse moving and was information coming above mouse while it was in motion graphical input has several advantages
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